UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM 11-K

                 [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF
                       THE SECURITIES EXCHANGE ACT OF 1934

                   For the fiscal year ended December 31, 2005

                                       or

               [ ] TRANSITION REPORT PURSUANT TO SECTION 15(d) OF
                       THE SECURITIES EXCHANGE ACT OF 1934

           For the transition period from              to
                                          ------------    ------------

                         Commission File Number 1-14036


A. Full title of the plan and the address of the plan, if different from that of
the issuer named below:

                  DST SYSTEMS, INC. 401(k) PROFIT SHARING PLAN

B. Name of issuer of the securities held pursuant to the plan and the address of
its principal executive office:

                                DST SYSTEMS, INC.
                              333 West 11th Street
                           Kansas City, Missouri 64105





DST Systems, Inc. 401(k) Profit Sharing Plan
Index to Financial Statements and Supplemental Information
--------------------------------------------------------------------------------


                                                                          Page

Report of Independent Registered Public Accounting Firm                    1

Financial Statements:

     Statement of Net Assets Available for Benefits                        2

     Statement of Changes in Net Assets Available for Benefits             3

     Notes to Financial Statements                                       4-12

Supplemental information*                                              Schedule

     Schedule H, line 4i - Schedule of Assets (Held At End of Year)        I



Exhibit Index


Signature



* Other  schedules  required by Section  2520.103-10  of the Department of Labor
Rules and Regulations for Reporting and Disclosure under ERISA have been omitted
because they are not applicable.





             Report of Independent Registered Public Accounting Firm

To the Participants and the Advisory Committee of the
DST Systems, Inc. 401(k) Profit Sharing Plan

In our opinion, the accompanying statements of net assets available for benefits
and the  related  statements  of changes in net assets  available  for  benefits
present fairly, in all material respects,  the net assets available for benefits
of the DST Systems, Inc. 401(k) Profit Sharing Plan (the "Plan") at December 31,
2005 and 2004,  and the changes in net assets  available  for  benefits  for the
years then ended, in conformity with accounting principles generally accepted in
the United States of America.  These financial statements are the responsibility
of the Plan's  management.  Our responsibility is to express an opinion on these
financial  statements  based on our  audits.  We  conducted  our audits of these
statements in accordance  with the  standards of the Public  Company  Accounting
Oversight  Board  (United  States).  Those  standards  require  that we plan and
perform the audit to obtain  reasonable  assurance  about  whether the financial
statements are free of material misstatement.  An audit includes examining, on a
test basis,  evidence  supporting  the amounts and  disclosures in the financial
statements,  assessing the accounting  principles used and significant estimates
made by management, and evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

Our audits  were  conducted  for the  purpose of forming an opinion on the basic
financial statements taken as a whole. The supplemental Schedule of Assets (Held
At End of Year) is presented for the purpose of additional analysis and is not a
required part of the basic financial statements but is supplementary information
required by the  Department of Labor's Rules and  Regulations  for Reporting and
Disclosure  under the Employee  Retirement  Income  Security  Act of 1974.  This
supplemental  schedule  is the  responsibility  of the  Plan's  management.  The
supplemental  schedule has been subjected to the auditing  procedures applied in
the audits of the basic  financial  statements  and, in our  opinion,  is fairly
stated in all material  respects in relation to the basic  financial  statements
taken as a whole.

As described under the heading  "restatement" in Note 1 and as further described
in Note 5, the Plan's financial  statements for the year ended December 31, 2004
have been restated.

/s/ PricewaterhouseCoopers LLP

Kansas City, Missouri
July 12, 2006






DST Systems, Inc. 401(k) Profit Sharing Plan
Statement of Net Assets Available for Benefits
--------------------------------------------------------------------------------



                                                      December 31,
                                              -----------------------------
                                                   2005            2004
                                              -------------   -------------
                                                                (restated)

ASSETS
Cash and cash equivalents                     $           7  $       33,125
                                              -------------   -------------
Investments:
   Mutual funds                                 237,228,206     248,926,016
   DST common stock                              23,406,118      27,256,363
   Investment in master trust                   340,707,934     317,117,474
   Collateral held on loaned securities          21,222,600      10,843,200
   Loans to participants                          7,528,946       7,295,973
                                              -------------   -------------
      Total investments                         630,093,804     611,439,026
                                              -------------   -------------


Receivables:
   Employer                                      18,542,367      22,179,626
   Participants                                     908,059       1,029,333
   Investment income and other                      183,469         562,273
                                              -------------   -------------
                                                 19,633,895      23,771,232
                                              -------------   -------------


LIABILITIES
Due to broker for securities purchased            1,353,122       1,931,307
Payable for collateral on loaned securities      21,222,600      10,843,200
                                              -------------   -------------
    Total liabilities                            22,575,722      12,774,507
                                              -------------   -------------
Net assets available for benefits             $ 627,151,984   $ 622,468,876
                                              =============   =============






The accompanying notes are an integral part of these financial statements.





DST Systems, Inc. 401(k) Profit Sharing Plan
Statement of Changes in Net Assets Available for Benefits
--------------------------------------------------------------------------------

                                                 Year Ended December 31,
                                              -----------------------------
                                                   2005            2004
                                              -------------   -------------
                                                                (restated)

Additions:
   Investment income:
     Dividends, interest and other income     $   4,051,862   $   3,440,850
     Net appreciation in fair value of
       investments                               18,405,656      27,364,479
     Net appreciation in fair value of
       investment in master trust                34,841,466      27,344,262
                                              -------------   -------------
                                                 57,298,984      58,149,591
                                               -------------   -------------

   Contributions:
     Employer                                    31,418,775      34,883,324
     Participants                                35,392,314      32,028,374
                                              -------------   -------------
                                                 66,811,089      66,911,698
                                               -------------   -------------
       Total additions                          124,110,073     125,061,289

Deductions:
   Distributions:
     Benefits to participants                  (119,132,651)    (29,573,417)
     Administrative expenses                       (294,314)       (125,581)
                                              -------------   -------------
                                               (119,426,965)    (29,698,998)
                                               -------------   -------------

   Net change in net assets available for
     benefits before plan transfers               4,683,108      95,362,291

   Plan transfers:
     Transfer from lock\line, LLC 401(k)
       retirement plan                                            1,306,261
     Transfer to Rapid Solutions Group profit
       sharing plan                                             (10,445,499)
                                               -------------   -------------

   Net change in net assets available for
     benefits                                      4,683,108     86,223,053
   Net assets available for benefits:

     Beginning of year                           622,468,876    536,245,823
                                              -------------   -------------
     End of year                              $  627,151,984  $ 622,468,876
                                               =============   =============



The accompanying notes are an integral part of these financial statements.





DST Systems, Inc. 401(k) Profit Sharing Plan
Notes to Financial Statements
--------------------------------------------------------------------------------


1.   DESCRIPTION OF THE PLAN

The DST Systems, Inc. 401(k) Profit Sharing Plan (the "Plan") is a contributory,
defined  contribution plan subject to the provisions of the Employee  Retirement
Income Security Act of 1974 (ERISA). The following brief description of the Plan
is provided for general information purposes only.  Participants should refer to
the Plan agreement for more complete information.

On June 11, 2004, the lock\line,  LLC 401(k) Retirement Plan was merged into the
Plan. The net assets available for the lock\line,  LLC 401(k) Retirement Plan at
June 11,  2004 are shown as a  transfer  into the Plan on the  Plan's  financial
statements for the year ended December 31, 2004.

On January 26,  2004,  the Plan  transferred  net assets to the Rapid  Solutions
Group Profit Sharing Plan in connection with the completion of the Janus Capital
Group Inc. exchange.

SPONSOR
The Plan Sponsor is DST Systems,  Inc. ("DST", the "Employer" or the "Sponsor").
Certain of its subsidiaries and affiliates participate in the Plan.

TRUSTEE AND INVESTMENT MANAGER
The trustee of the Plan is Marshall & Ilsley Trust Company N.A. (the "Trustee").
The Trustee holds and  administers all assets of the Plan in accordance with the
provisions of the Plan agreement.  One of the Plan's  investments  (the Marshall
Money  Market  Fund) is a mutual  fund that is  managed by an  affiliate  of the
Trustee.  Transactions  related  to  this  investment,   therefore,  qualify  as
party-in-interest transactions.

The investment manager of the DST Systems, Inc. Master Trust ("Master Trust") is
Ruane, Cunniff,  Goldfarb & Co., Inc. (the "Investment Manager").  For the years
ended December 31, 2005 and 2004, the Sponsor paid  management fees and expenses
to the Investment Manager of $4,197,554 and $3,838,946, respectively.

ADMINISTRATION  OF THE PLAN
An advisory committee (the "Advisory Committee"),  which consists of members who
are selected by the Board of Directors  of DST,  has full power,  authority  and
responsibility  to control and manage the operations and  administration  of the
Plan. All expenses of operating the Plan may be paid out of Plan assets,  except
to the extent the Sponsor decides to pay these expenses.  Income from securities
lending activities of the Plan and Master Trust is used to offset administrative
expenses of the Plan. For the year ended December 31, 2005,  securities  lending
income was sufficient to offset substantially all administrative expenses of the
Plan with the remainder being paid by the Sponsor on behalf of the Plan. For the
year ended  December 31, 2004,  the Plan incurred  administrative  expenses that
were paid by the Sponsor in the amount of $400,392.

ELIGIBILITY
All employees of the Sponsor and  participating  subsidiaries and affiliates are
eligible  to  participate  in  the  Plan  other  than  members  of a  collective
bargaining unit, leased employees,  nonresident  aliens,  and persons performing
services for the Sponsor through an agreement with a third-party. The Plan entry
date is the first day of the  calendar  month  following  the date an  employee,
other than  seasonal  or  temporary  employee,  completes  one hour of  service.
Seasonal and temporary  employees must complete one year of service,  as defined
in the Plan document, prior to entering the Plan.





DST Systems, Inc. 401(k) Profit Sharing Plan
Notes to Financial Statements
--------------------------------------------------------------------------------

CONTRIBUTIONS
Participant  contributions  are made through  participant  salary reductions and
rollovers from other eligible retirement plans. Participants can contribute from
1% to 25% of their annual gross salary to the Plan,  subject to Internal Revenue
Service limitations  ("highly  compensated  employees" may be subject to a lower
limitation).  Beginning  in  2002,  participants  aged  50  or  older  may  make
additional  contributions  or  "catch-up"  contributions  (subject  to  Internal
Revenue  Service  limitation)  once they have satisfied the annual  contribution
maximum as set by law or other applicable limitation.

Sponsor  contributions  consist of a dollar-for-dollar  match of the first 3% of
participant salary reduction contributions.  During the years ended December 31,
2005 and 2004, Sponsor matching  contributions were $13,269,749 and $13,189,272,
respectively.

In addition,  the Sponsor may make discretionary  profit sharing  contributions.
Generally, an employee must complete 1,000 hours of service during the Plan year
and be  employed  on  December  31 of the Plan year to be eligible to receive an
allocation of discretionary  profit sharing  contributions for that year. During
the years ended December 31, 2005 and 2004, Sponsor profit sharing discretionary
contributions were $18,149,026 and $21,694,052, respectively.

PARTICIPANT ACCOUNTS
Each participant's  account is credited with the participant's  salary reduction
contributions,  matching contributions,  profit sharing contributions,  rollover
contributions,  forfeitures of terminated  participants' non-vested accounts and
an allocation of Plan earnings or losses.  Allocations of earnings or losses are
based on account  balances.  Discretionary  contributions  and  forfeitures  are
allocated  to  participant   accounts   based  on  the   proportion   which  the
participant's eligible compensation bears to the aggregate eligible compensation
of all participants for the year. The benefit to which a participant is entitled
is the benefit that can be provided from the participant's account.

VESTING
Participants  are  always  100%  vested  in their  own  contributions,  rollover
contributions  and catch-up  contributions  (as  adjusted to reflect  investment
earnings and losses).

Generally, participants will become vested in Sponsor matching contributions and
Sponsor profit sharing contributions (as adjusted to reflect investment earnings
and losses) in accordance with the following schedule:

                  Years of Service                   Percentage Vested
                  ----------------                   -----------------
                      less than 2                           0%
                  2 but less than 3                        20%
                  3 but less than 4                        40%
                  4 but less than 5                        60%
                      5 or more                           100%


INVESTMENT OPTIONS
Participants   may  direct  their  salary  reduction   contributions,   catch-up
contributions,  matching contributions and rollover contributions into a variety
of mutual fund investment options as made available by the Advisory Committee or
into the DST Company  Stock Fund, a unitized  fund  consisting  primarily of DST
common  stock.  The  investment  options  contain  different  degrees  of risks.
Participants  should refer to the respective fund prospectus for a more complete
description  of the investment




DST Systems, Inc. 401(k) Profit Sharing Plan
Notes to Financial Statements
--------------------------------------------------------------------------------

objectives of each fund. The Advisory Committee reserves the right to change the
available investment options from time to time.

Participants may change their investment options daily.

All profit sharing  contributions  are invested by the Trustee as advised by the
Investment Manager.

FORFEITURES
Forfeitures of unvested accounts are generally first used for the restoration of
reemployed  participants' forfeited amounts and then added to the profit sharing
contribution  and allocated  accordingly.  For the years ended December 31, 2005
and 2004,  forfeitures of unvested  accounts totaled  $1,814,112 and $2,117,456,
respectively.


DISTRIBUTION OF BENEFITS
Benefit distributions generally will be made in the event of retirement,  death,
disability,  resignation or dismissal.  A participant's normal retirement age is
59 1/2.

Unless the  terminated  participant  otherwise  elects,  balances not  exceeding
$1,000 will be  automatically  distributed to the  participant as a lump sum and
balances   ranging  in  value  from  $1,001  to  $5,000  will  be  automatically
distributed  as an  IRA  rollover  with  Marshall  &  Ilsley  Bank  as  soon  as
administratively  practicable.  Balances  exceeding $5,000  (excluding  rollover
contributions   and  related  earnings  or  losses)  will  be  distributed  upon
participant  election as soon as administratively  practicable but no later than
April  1 of the  Plan  year  following  the  Plan  year in  which  age 70 1/2 is
attained.  Such  distributions  may be elected as a lump sum or paid in monthly,
quarterly or annual installments. Distributions shall be made in cash or, at the
option of the Participant, in cash plus the number of whole shares of DST Common
Stock allocated to the Participant's  account.  Participants under the age of 62
with balances  exceeding $5,000  (excluding  rollover  contributions and related
earnings or losses) must consent to any distribution.

Upon death, all sums credited to the  participant's  account will be paid to the
beneficiary or beneficiaries designated by the participant.

Distributions  may  also be made  in the  event  of  financial  hardship  of the
participant. Certain restrictions apply.

During 2005,  DST sold its  wholly-owned  subsidiaries,  DST Innovis,  Inc., DST
Interactive,   Inc.,  and  Equiserve,   Inc.  (comprising   approximately  2,200
employees). Benefits to participants were higher in 2005 as a result of the sale
of these businesses and the termination of these employees.

PARTICIPANT LOANS  Participants may borrow the lesser of $50,000 or 50% of their
vested  participant-directed  accounts  (subject  to certain  Plan and  Internal
Revenue Service limitations). Generally, loans must be repaid within five years.
Loans bear a fixed rate of interest,  which is set at loan origination using the
Prime rate as published in the Wall Street Journal plus 1%. At December 31, 2005
and 2004, interest rates on participant loans ranged from 4.0% to 10.5%.

PLAN TERMINATION
The Sponsor believes the Plan will continue without  interruption;  however,  it
reserves the right to terminate  the Plan at any time subject to the  provisions
of ERISA.  In the event of Plan  termination,




DST Systems, Inc. 401(k) Profit Sharing Plan
Notes to Financial Statements
--------------------------------------------------------------------------------


participants  will become  fully vested in any  unvested  balances  from Sponsor
contributions  and their  respective  account  balances will be  distributed  in
accordance with the Plan document.

RESTATEMENT
The accompanying  financial  statements of the Plan as of and for the year ended
December  31,  2004 have been  restated  to reflect the effect of the Plan's and
Master Trust's securities lending transactions. The effect of the restatement is
as follows:



                                                            

                                        ---------------------     --------------------
STATEMENT OF NET ASSETS                        Amounts                     As
AVAILABLE FOR BENEFITS                   Previously Reported            Restated
                                        ---------------------     --------------------

  Collateral held on loaned securities   $                          $    10,843,200
  Payable for collateral on loaned
    securities                                                           10,843,200

                                        ---------------------     --------------------
STATEMENT OF CHANGES IN NET ASSETS             Amounts                      As
AVAILABLE FOR BENEFITS                   Previously Reported             Restated
                                        ---------------------     --------------------

  Dividends, interest and other
    income                               $       3,436,234          $     3,440,850
  Net appreciation in fair value
    of investment in master trust               27,317,554               27,344,262
  Administrative expenses                           94,257                  125,581



The  adjustments  in the table  above had no effect  on the  Plan's  net  assets
available  for benefits at December 31, 2004.  Also, as described in Notes 3 and
5, the Plan has restated its  disclosures  as of and for the year ended December
31, 2004  related to its  investment  in the Master  Trust to present the Master
Trust's securities lending  transactions on a gross basis. The Plan's securities
lending  activities are described more fully in Notes 4 and 5 to these financial
statements.

2.   SIGNIFICANT ACCOUNTING POLICIES

BASIS OF ACCOUNTING
The  accompanying  financial  statements  are  presented on the accrual basis of
accounting,  except  for  benefits  to  participants  which  are  recorded  upon
distribution. Certain amounts in the prior year's financial statements have been
reclassified to conform to the current year presentation.

USE OF ESTIMATES
The preparation of financial statements in conformity with accounting principles
generally  accepted in the United States of America requires  management to make
estimates  and  assumptions  that  affect  the  reported  amounts  of assets and
liabilities  and  changes  therein,  and  disclosure  of  contingent  assets and
liabilities. Actual results could differ from those estimates.

CASH AND CASH EQUIVALENTS
Short-term  liquid  investments  with a  maturity  of three  months  or less are
considered cash equivalents.  Due to the short-term nature of these investments,
carrying value approximates market value.



DST Systems, Inc. 401(k) Profit Sharing Plan
Notes to Financial Statements
--------------------------------------------------------------------------------

INVESTMENT VALUATION AND SECURITY TRANSACTIONS
Investments  are recorded at fair value as determined by quoted prices in active
markets.  Investments  in mutual funds and the DST Company Stock Fund are valued
at net asset  value  representing  the value at which  shares of the fund may be
purchased  or  redeemed.  Purchases  and sales of  securities  are recorded on a
trade-date  basis.  Dividend income is accrued on the ex-dividend date. The Plan
presents in the Statement of Changes in Net Assets  Available for Benefits,  the
net appreciation in the fair value of its investments which consists of realized
gains  or  losses  and net  unrealized  appreciation  or  depreciation  on those
investments.  The  investments of the Master Trust are recorded at fair value as
determined by quoted prices in active  markets.  Mutual funds held in the Master
Trust are valued at net asset value  representing  the value at which  shares of
the fund may be purchased or redeemed.  Common and preferred  stocks held in the
Master Trust are stated at fair value as determined by quoted prices on the last
business  day of the  Plan  year.  Investment  income  of the  Master  Trust  is
allocated   daily  to   participating   plans  based  upon  the  fair  value  of
participating  plan  interests  in the Master  Trust at the end of each day. Net
assets of the Master Trust are allocated to  participating  plans based upon the
value of the  participating  plan interests in the Master Trust at the beginning
of the  quarter  plus actual  contributions  to the Master  Trust and  allocated
investment  income less actual  distributions  from the Master  Trust.  Loans to
participants  are  valued at the  current  amount due from  participants,  which
approximates fair value.


3.   PLAN INVESTMENTS

The  following  investments  represent  5% or more of net assets  available  for
benefits at year-end:

                                                     December 31,
                                         ------------------------------------
                                                 2005               2004
                                         ----------------    ----------------

Investment in master trust               $   340,707,934     $   317,117,474
Vanguard Institutional Index Fund                                 34,355,504


During   the   years   ended   December   31,   2005  and   2004,   the   Plan's
participant-directed   investments  and  non-participant   directed  investments
(including  gains and losses on  investments  bought  and sold,  as well as held
during the year) appreciated in value as follows:



                                                                         

                                                          Year Ended December 31,
                                        -----------------------------------------------------------
                                              2005                 2004                 2004
                                        -----------------    -----------------    -----------------
                                                                (restated)            (amounts
                                                                                     previously
                                                                                      reported)

Mutual funds                            $     15,998,860     $     21,852,654     $     21,852,654
DST common stock                               2,406,796            5,511,825            5,511,825
Investment in master trust                    34,841,466           27,344,262           27,317,554
                                        -----------------    -----------------    -----------------
                                        $     53,247,122     $     54,708,741     $     54,682,033
                                        =================    =================    =================


As described in Note 1 "Restatement",  the Master Trust information  included in
the table above has been restated to reflect the effect of the Plan's securities
lending transactions as of and for the year ended December 31, 2004.



DST Systems, Inc. 401(k) Profit Sharing Plan
Notes to Financial Statements
--------------------------------------------------------------------------------

4.   SECURITIES LENDING TRANSACTIONS

The Plan engages in securities  lending  activities related to DST common stock.
The Trustee serves as the lending agent for the Plan and loans these  securities
to  approved  brokers  (the  "Borrower").  The terms of the  lending  agreements
require that loans are secured, initially by collateral (cash or U.S. government
securities)  having a market  value equal to or greater  than 102% of the market
value of securities on loan.  The market value of the  securities on loan and of
the  collateral  received is  monitored  daily.  If at any time the value of the
collateral  falls  below 100% of the market  value of  securities  on loan,  the
borrower may be required to deliver additional  collateral  necessary to restore
the 102%  ratio.  If the value of the  collateral  increases  above  102% of the
market value of securities on loan,  the  collateral in excess of the 102% ratio
may be  returned to the  borrower.  The Plan  retains  any income  earned on the
securities while on loan to the broker. In the event of default by the Borrower,
the Trustee shall indemnify the Plan by purchasing  replacement securities equal
to the number of unreturned loaned securities or, if replacement  securities are
not able to be purchased, the Trustee shall credit the Plan for the market value
of the unreturned securities. In each case, the Trustee would apply the proceeds
from the  collateral  for such a loan to make the  Plan  whole.  The  collateral
received  pursuant  to  securities  lending  transactions  is  reflected  on the
Statements  of Net  Assets  Available  for  Benefits  as  both  an  asset  and a
liability,  and has no effect on the net assets  available  for  benefits of the
Plan.  As of December  31, 2005 and 2004,  the Plan had DST common stock on loan
with a market value of $20,623,575  and  $10,481,760,  respectively.  Securities
lending  income for the Plan  amounted  to $6,016 and $4,616 for the years ended
December  31,  2005  and  2004,  respectively.   Securities  lending  income  is
classified  as  interest  income in the  Statements  of  Changes  in Net  Assets
Available for Benefits.

To the extent  that a loan of  securities  is secured by cash  collateral,  such
collateral is invested in an investment  collateral pool managed by the Trustee.
The investment collateral pool invests primarily in investment grade instruments
including,  but not limited to, money market type instruments.  At no time shall
the weighted  average  maturity of the investment  collateral  pool  investments
exceed the weighted  average term of the pool of loans by more than 15 days.  In
addition,  the overall maturity of the investment  collateral pool cannot exceed
30 days. Any income earned on investments in the investment  collateral  pool in
excess of agency fees to the  Trustee and of a rebate to the  Borrower is earned
by the Plan and is recorded as investment income.





DST Systems, Inc. 401(k) Profit Sharing Plan
Notes to Financial Statements
--------------------------------------------------------------------------------


5.   MASTER TRUST

The Master Trust was  established  for the  investment of assets of the Plan and
other DST sponsored plans. Each  participating plan has an undivided interest in
the Master Trust. The investment in Master Trust is non-participant directed and
is managed by the Investment  Manager. At December 31, 2005 and 2004, the Plan's
percentage ownership in the Master Trust is 76.5% and 75.7%,  respectively.  The
following Master Trust disclosures  represent 100% of the balances in the Master
Trust.

As described in Note 1  "Restatement",  the Master  Trust  information  included
below has been restated to reflect the effect of the Plan's  securities  lending
transactions as of and for the year ended December 31, 2004.

The Master Trust's net assets by general type at year-end are as follows:



                                                                         

                                                               December 31,
                                        -----------------------------------------------------------
                                              2005                 2004                  2004
                                        -----------------    -----------------    -----------------
                                                                (restated)             (amounts
                                                                                      previously
                                                                                       reported)

Assets
   Mutual funds                         $      5,925,860     $     44,308,641     $      44,308,641
   Common stocks                             403,883,934          374,216,667           374,216,667
   Government securities                      26,773,562                1,634                 1,634
   Preferred stocks                            8,480,305
   Collateral held on loaned securities      262,584,067           83,966,302
   Other receivables                             489,404              334,018               334,018
                                        -----------------    -----------------    -----------------
      Total assets                           708,137,132          502,827,262           418,860,960


Liabilities
   Payable for collateral on loaned
     securities                              262,584,067           83,966,302
   Other liabilities                              49,465               37,406                37,406
                                        -----------------    -----------------    -----------------
        Total liabilities                    262,633,532           84,003,708                37,406
                                        -----------------    -----------------    -----------------
Net Assets                              $    445,503,600     $    418,823,554     $     418,823,554
                                        =================    =================    =================



As more  fully  described  in Note 4, the Plan  engages  in  securities  lending
activities. In addition to DST common stock, the Plan allows the Trustee to loan
common stock held in the Master Trust to the Borrower.  The terms and conditions
of the Plan's securities lending arrangements  described in Note 4 are identical
to the securities lending  arrangements for securities held in the Master Trust.
The collateral received pursuant to securities lending transactions is reflected
as both an asset and a liability of the Master  Trust,  and has no effect on the
net assets of the Master  Trust.  As of December  31, 2005 and 2004,  the Master
Trust  had  common  stocks  on loan  with a  market  value of  $255,508,799  and
$81,616,441,  respectively.  Securities  lending  income  for the  Master  Trust
amounted to $268,141 and $35,142 for the



DST Systems, Inc. 401(k) Profit Sharing Plan
Notes to Financial Statements
--------------------------------------------------------------------------------

years ended December 31, 2005 and 2004, respectively.  Securities lending income
is classified as interest income.

The Master Trust's total investment income by type is as follows:



                                      Year Ended December 31,
                     --------------------------------------------------------
                           2005                2004                2004
                     ----------------    ----------------    ----------------
                                            (restated)           (amounts
                                                                previously
                                                                 reported)

Interest             $     1,290,733     $       858,026     $       822,884
Dividends                  2,346,925           2,020,693           2,020,693
Net appreciation          41,654,998          32,484,963          32,484,963
                     ----------------    ----------------    ----------------
                     $    45,292,656     $    35,363,682     $    35,328,540
                     ================    ================    ================


The Master Trust's net appreciation (depreciation) of investments by type is as
follows:

                                               Year Ended December 31,
                                        --------------------------------------
                                              2005                 2004
                                        -----------------    -----------------

Common stocks                                 41,613,075           32,657,865
Preferred stocks                                  42,314
Corporate debt                                                       (172,764)
Government securities                               (391)                (138)
                                        -----------------    -----------------
                                        $     41,654,998     $     32,484,963
                                        =================    =================


6.   RISKS AND UNCERTAINTIES
The Plan invests in various  investment  securities.  Investment  securities are
exposed to various risks such as interest rate, market, and credit risks. Due to
the level of risk associated with certain investment securities,  it is at least
reasonably  possible  that changes in the values of investment  securities  will
occur  in  the  near  term  and  that  such  change  could   materially   affect
participants'  account balances and the amounts reported in the statement of net
assets available for benefits.

7. INCOME TAX STATUS OF THE PLAN
The Internal Revenue Service has determined and informed the Sponsor by a letter
dated January 18, 2006,  that the Plan is designed in accordance with applicable
sections of the Internal  Revenue  Code (the  "IRC").  The Plan has been amended
since receiving the determination. The Advisory Committee believes that the Plan
is designed and is currently  being  operated in compliance  with the applicable
requirements  of the IRC.  Therefore,  no  provision  for income  taxes has been
included in the Plan's financial statements.




DST Systems, Inc. 401(k) Profit Sharing Plan
Notes to Financial Statements
--------------------------------------------------------------------------------



8.   RECONCILIATION OF FINANCIAL STATEMENTS TO FORM 5500

The following is a reconciliation of net assets available for benefits according
to the financial statements as compared to the Form 5500:

                                                     December 31,
                                        --------------------------------------
                                              2005                 2004
                                        -----------------    -----------------

Net assets available for benefits
   according to the financial
   statements                           $    627,151,984     $    622,468,876
Amounts allocated to withdrawing
   participants                                  (44,451)             (36,929)
                                        -----------------    -----------------
Net assets available for benefits
   according to the Form 5500           $    627,107,533     $     622,431,947
                                        =================    ==================


The following is a reconciliation  of benefits to participants  according to the
financial statements as compared to the Form 5500:

                                                                December 31,
                                                             ------------------
                                                                    2005
                                                             ------------------
Benefits to participants according
   to the financial statements                               $     119,132,651
Add:  Amounts allocated to withdrawing
   participants at December 31, 2005                                    44,451
Less:  Amounts allocated to withdrawing
   participants  at December 31, 2004                                  (36,929)
                                                             ------------------
 Benefits to participants according to the Form 5500         $     119,140,173
                                                             ==================


Amounts allocated to withdrawing participants are recorded on the Form 5500 for
benefit claims that have been processed and approved for payment prior to
December 31, but not yet distributed as of that date.



                                                                     Schedule I


                  DST Systems, Inc. 401(k) Profit Sharing Plan
                            EIN 43-1581814 / PIN 004

         Schedule H, line 4i -- Schedule of Assets (Held At End of Year)
                                December 31, 2005



                                                                                 

      (a)       (b) Identity               (c) Description              (d) Cost                (e) Current Value

              American Century Value    Mutual Fund                $            (1)                  $ 8,886,617
              American Century Growth   Mutual Fund                             (1)                    6,576,001
              American Century Select   Mutual Fund                             (1)                    4,134,572
              American Century Ultra    Mutual Fund                             (1)                    9,917,033
              American Century
                International           Mutual Fund                             (1)                    3,680,464
              Davis NY Venture          Mutual Fund                             (1)                    8,491,089
              Dodge & Cox Balanced      Mutual Fund                             (1)                    9,788,129
              Dodge & Cox International Mutual Fund                             (1)                    8,204,449
       *      DST Systems, Inc.         Common Stock                            (1)                   23,406,118
       *      DST Systems, Inc. Master
                Trust                   Master Trust                        204,702,529              340,707,934
              Federated Prime Value
                Obligations             Mutual Fund                             (1)                    6,710,367
              Fidelity Advisor Growth   Mutual Fund                             (1)                    3,858,808
              Janus Fund                Mutual Fund                             (1)                   10,091,512
              Janus Enterprise          Mutual Fund                             (1)                   11,331,893
              Janus Mercury             Mutual Fund                             (1)                   16,826,594
              Janus Overseas            Mutual Fund                             (1)                   13,923,743
              Laudus Rosenberg
                 International          Mutual Fund                             (1)                    5,159,586
              Lord Abbett Affiliated
                 Class A                Mutual Fund                             (1)                    3,367,125
              Lord Abbett Bond
                 Debenture              Mutual Fund                             (1)                    1,799,121
              Managers Fund Special
                 Equity                 Mutual Fund                             (1)                    5,744,516
       *      Marshall & Ilsley
                 Collateral Pool        Money Market Fund                    21,222,600               21,222,600
       *      Marshall Money Market
                 Fund                   Mutual Fund                             (1)                      571,438
       *      Participant Loans
                 (Prime + 1%)           Participant Loans                       (1)                    7,528,946
              PIMCO Total Return        Mutual Fund                             (1)                    8,631,612
              Royce Total Return        Mutual Fund                             (1)                   14,482,072
              Standish Mellon Fixed
                 Income                 Mutual Fund                             (1)                    3,724,748
              T. Rowe Price Mid-cap
                 Growth                 Mutual Fund                             (1)                   19,504,733
              Vanguard Bond Index       Mutual Fund                             (1)                   18,025,418
              Vanguard Index 500        Mutual Fund                             (1)                   27,800,879
              Vanguard Value            Mutual Fund                             (1)                    5,995,687




* Indicates a party-in-interest
(1)  In accordance with  instructions to the Form 5500, the Plan is not required
     to disclose the cost component of participant-directed investments.







                                  EXHIBIT INDEX


23.1 Consent of PricewaterhouseCoopers LLP








                                    SIGNATURE





Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
trustees (or other persons who administer  the employee  benefit plan) have duly
caused this annual report to be signed on its behalf by the undersigned hereunto
duly authorized.



                                DST SYSTEMS, INC. 401(k) PROFIT SHARING PLAN



July 13, 2006                   /s/ Kenneth V. Hager
                                --------------------------------------
                                Kenneth V. Hager
                                Vice President, Chief Financial Officer
                                and Treasurer