UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES Investment Company Act file number 811-4186 John Hancock Income Securities Trust (Exact name of registrant as specified in charter) 101 Huntington Avenue, Boston, Massachusetts 02199 (Address of principal executive offices) (Zip code) Susan S. Newton, Secretary 101 Huntington Avenue Boston, Massachusetts 02199 (Name and address of agent for service) Registrant's telephone number, including area code: 617-375-1702 Date of fiscal year end: December 31 Date of reporting period: September 30, 2004 ITEM 1. SCHEDULE OF INVESTMENTS JOHN HANCOCK Income Securities Trust 9.30.2004 Quarterly Portfolio Holdings [A 2" x 1" John Hancock (Signature)/John Hancock Funds logo in lower, center middle of page. A tag line below reads "JOHN HANCOCK FUNDS."] John Hancock Income Securities Trust Securities owned by the fund on September 30, 2004 (unaudited) Interest Maturity Credit Par value Issuer, description rate (%) date rating (A) ($000) Value Bonds 90.18% $162,202,562 (Cost $157,416,563) Aerospace & Defense 0.67% 1,198,202 Jet Equipment Trust, Equipment Trust Ctf Ser 95B2 (B)(H)(S) 10.910 08-15-2014 D 550 2,750 Raytheon Co., Note 8.300 03-01-2010 BBB- 1,000 1,195,452 Agricultural Products 1.23% 2,215,021 Bunge Limited Finance Corp., Gtd Note (L) 4.375 12-15-2008 BBB 1,250 1,258,946 Corn Products International, Inc., Sr Note 8.450 08-15-2009 BBB- 835 956,075 Airlines 1.53% 2,752,043 American Airlines, Inc., Pass Thru Ctf Ser 2001-2 (L) 7.858 10-01-2011 A- 1,000 993,946 Continental Airlines, Inc., Pass Thru Ctf Ser 1999-1A 6.545 02-02-2019 A- 1,589 1,533,914 Northwest Airlines Corp., Pass Thru Ctf Ser 1996-1C 10.150 01-02-2005 CCC+ 32 30,675 Pass Thru Ctf Ser 1996-1D 8.970 01-02-2015 CCC+ 284 193,508 Apparel Retail 0.35% 630,875 Gap, Inc. (The), Note (L) 10.300 12-15-2008 BB+ 515 630,875 Asset Management & Custody Banks 0.84% 1,513,229 Rabobank Capital Fund II, Perpetual Bond (5.260% to 12-31-13 then variable) (S) 5.260 12-29-2049 AA 1,500 1,513,229 Auto Parts & Equipment 0.27% 493,072 American Axle & Manufacturing, Inc., Sr Note 5.250 02-11-2014 BBB 500 493,072 Automobile Manufacturers 0.17% 307,771 Ford Motor Co., Deb 9.980 02-15-2047 BBB- 250 307,771 Brewers 0.55% 991,821 Fosters Financial Corp., Note (S) 4.875 10-01-2014 BBB+ 1,000 991,821 Broadcasting & Cable TV 5.04% 9,063,884 AT&T Broadband Corp., Gtd Note 8.375 03-15-2013 BBB 1,020 1,235,210 British Sky Broadcasting Group Plc, Gtd Sr Note (United Kingdom) 8.200 07-15-2009 BBB- 945 1,101,221 Clear Channel Communications, Inc., Note 4.250 05-15-2009 BBB- 1,000 990,883 Note 5.500 09-15-2014 BBB- 375 373,030 Continental Cablevision, Inc., Deb 9.500 08-01-2013 BBB 660 722,760 Cox Enterprises, Inc., Note (S) 7.875 09-15-2010 BBB 380 418,728 Grupo Televisa S.A., Note (Mexico) 8.000 09-13-2011 BBB- 1,855 2,123,975 Innova S. de R.L., Sr Note (Mexico) 12.875 04-01-2007 B+ 38 39,398 Rogers Cablesystems Ltd., Sr Note Ser B (Canada) 10.000 03-15-2005 BBB- 445 457,794 TCI Communications, Inc., Sr Deb 9.800 02-01-2012 BBB 860 1,096,538 XM Satellite Radio, Inc., Sr Sec Note, Step Coupon (Zero to 12-31-05 then 14.000%) (O) Zero 12-31-2009 CCC+ 509 504,347 Building Products 1.77% 3,178,259 KB Home, Sr Note 5.750 02-01-2014 BB+ 1,000 995,000 Pulte Homes Inc., Note 6.250 02-15-2013 BBB- 1,000 1,068,028 Toll Brothers, Inc., Gtd Sr Note 6.875 11-15-2012 BBB- 1,000 1,115,231 Casinos & Gaming 0.71% 1,284,320 Chukchansi Economic Development Auth., Sr Note (G)(S) 14.500 06-15-2009 Caa1 500 625,000 Waterford Gaming LLC, Sr Note (S) 8.625 09-15-2012 B+ 622 659,320 Commodity Chemicals 0.76% 1,360,901 RPM International, Inc., Sr Note 6.250 12-15-2013 BBB 1,300 1,360,901 Consumer Finance 4.24% 7,621,326 Capital One Financial Corp., Sr Note 6.250 11-15-2013 BBB- 1,000 1,073,768 Ford Motor Credit Co., Note 7.375 10-28-2009 BBB- 1,625 1,779,919 General Motors Acceptance Corp., Note 7.250 03-02-2011 BBB 3,000 3,203,115 Household Finance Corp., Note 6.750 05-15-2011 A 1,390 1,564,524 Department Stores 0.76% 1,362,000 Penney J.C. Co., Inc., Deb 7.650 08-15-2016 BB+ 1,200 1,362,000 Diversified Banks 3.27% 5,878,324 Bank of New York, Cap Security (S) 7.780 12-01-2026 A- 650 727,035 Barclays Bank Plc, Perpetual Bond (6.860% to 6-15-32 then variable) (United Kingdom) (S) 6.860 09-29-2049 A+ 1,600 1,761,379 Mizuho Financial Group Cayman Ltd., Gtd Note (Cayman Islands) 8.375 12-29-2049 Baa1 750 811,411 Royal Bank of Scotland Group Plc, Perpetual Bond (7.648% to 09-30-31 then variable) (United Kingdom) 7.648 08-29-2049 A 650 775,368 Wachovia Corp., Sub Note 5.250 08-01-2014 A- 1,000 1,022,240 Woori Bank Sub Deb (5.750% to 03-13-09 then variable) (South Korea) (S) 5.750 03-13-2014 BBB- 750 780,891 Diversified Chemicals 2.05% 3,686,714 NOVA Chemicals Corp., Med Term Note (Canada) 7.400 04-01-2009 BB+ 2,045 2,213,713 Sr Note (Canada) 7.000 05-15-2006 BB+ 280 294,000 Potash Corp. of Saskatchewan, Inc., Note (Canada) 7.750 05-31-2011 BBB+ 1,000 1,179,001 Diversified Commercial Services 1.17% 2,106,381 Brascan Corp., Note (Canada) 5.750 03-01-2010 A- 1,010 1,068,943 Hutchison Whampoa International Ltd., Gtd Note (U.S. Virgin Islands) (S) 6.500 02-13-2013 A- 750 789,938 Sotheby's Holdings, Inc., Note 6.875 02-01-2009 B+ 250 247,500 Electric Utilities 8.93% 16,062,285 AES Eastern Energy L.P., Pass Thru Ctf Ser 1999A 9.000 01-02-2017 BB+ 391 440,705 Beaver Valley Funding Corp., Sec Lease Obligation Bond 9.000 06-01-2017 BB+ 513 599,454 BVPS II Funding Corp., Collateralized Lease Bond 8.890 06-01-2017 BB+ 700 807,002 CalEnergy Co., Inc., Sr Bond 8.480 09-15-2028 BBB- 550 697,913 El Paso Electric Co., 1st Mtg Ser E 9.400 05-01-2011 BBB 1,000 1,123,026 Empresa Electrica Guacolda S.A., Sr Sec Note (Chile) (S) 8.625 04-30-2013 BBB- 900 1,012,812 Exelon Generation Co., LLC, Note 5.350 01-15-2014 A- 1,000 1,021,254 HQI Transelect Chile S.A., Sr Note (Chile) 7.875 04-15-2011 A- 1,230 1,429,400 IPALCO Enterprises, Inc., Sr Sec Note 8.625 11-14-2011 BB- 325 367,250 Midland Funding Corp. II, Deb Ser B 13.250 07-23-2006 BB- 2,225 2,513,091 Monterrey Power S.A. de C.V., Sr Sec Bond (Mexico) (S) 9.625 11-15-2009 BBB- 514 612,043 PNPP II Funding Corp., Deb 9.120 05-30-2016 BB+ 495 584,268 PPL Capital Funding, Gtd Sr Note Ser A 4.330 03-01-2009 BBB- 1,000 988,129 System Energy Resources, Inc., Sec Bond (S) 5.129 01-15-2014 BBB 500 504,765 TransAlta Corp., Note (Canada) 5.750 12-15-2013 BBB- 2,000 2,054,548 Waterford 3 Funding Corp., Sec Lease Obligation Bond 8.090 01-02-2017 BBB- 1,154 1,306,625 Electrical Components & Equipment 1.62% 2,914,373 AMETEK, Inc., Sr Note 7.200 07-15-2008 BBB 1,500 1,638,087 Jabil Circuit, Inc., Sr Note (L) 5.875 07-15-2010 BB+ 1,220 1,276,286 Environmental Services 0.62% 1,109,335 Allied Waste North America, Inc., Gtd Sr Sub Note Ser B 10.000 08-01-2009 B+ 1,054 1,109,335 Food Retail 0.95% 1,713,036 Delhaize America, Inc., Gtd Note 8.125 04-15-2011 BB+ 1,500 1,713,036 Foreign Government 0.91% 1,636,545 Colombia, Republic of, Note (Colombia) 10.000 01-23-2012 BB 750 831,000 Mexican States, United Global Med Term Note Ser A (Mexico) 6.375 01-16-2013 BBB- 765 805,545 Gas Utilities 2.05% 3,683,690 CenterPoint Energy Resources Corp., Sr Note Ser B 7.875 04-01-2013 BBB 585 689,580 Duke Capital LLC, Sr Note 8.000 10-01-2019 BBB- 750 896,914 Korea Gas Corp., Sr Unsub Note (South Korea) (S) 4.750 11-26-2010 A- 1,000 1,006,828 Magellan Midstream Partners, L.P., Note 6.450 06-01-2014 BBB 500 525,647 NorAm Energy Corp., Deb 6.500 02-01-2008 BBB 525 564,721 Health Care Facilities 1.16% 2,078,888 HCA, Inc., Note 5.250 11-06-2008 BBB- 1,000 1,023,921 Note 8.750 09-01-2010 BBB- 900 1,054,967 Highways & Railtracks 1.14% 2,056,596 CSX Corp., Sr Note 4.875 11-01-2009 BBB 2,000 2,056,596 Hotels, Resorts & Cruise Lines 2.50% 4,504,248 Harrah's Operating Co., Inc., Gtd Sr Note (S) 5.500 07-01-2010 BBB- 755 780,122 Gtd Sr Sub Note 7.875 12-15-2005 BB+ 745 786,906 Hyatt Equities LLC, Note (S) 6.875 06-15-2007 BBB 1,060 1,131,033 Meditrust, Note 7.000 08-15-2007 BB- 1,710 1,806,187 Industrial Machinery 2.07% 3,720,534 Kennametal, Inc., Sr Note 7.200 06-15-2012 BBB 1,405 1,532,904 Manitowoc Co., Inc., (The), Sr Note 7.125 11-01-2013 B+ 500 528,750 Tyco International Group S.A., Gtd Note (Luxembourg) 6.375 10-15-2011 BBB 1,500 1,658,880 Insurance Brokers 0.56% 1,010,074 Mantis Reef Ltd., Note (Australia) (S) 4.692 11-14-2008 A- 1,000 1,010,074 Investment Banking & Brokerage 2.39% 4,297,474 Citigroup, Inc., Sub Note 6.000 10-31-2033 A+ 560 567,711 Merrill Lynch & Co., Inc., Med Term Note Ser C 5.450 07-15-2014 A+ 1,500 1,551,592 Morgan Stanley, Sub Note 4.750 04-01-2014 A 2,250 2,178,171 IT Consulting & Other Services 0.24% 432,506 NCR Corp., Note 7.125 06-15-2009 BBB- 390 432,506 Leisure Products 0.57% 1,034,231 Brunswick Corp., Note 5.000 06-01-2011 BBB+ 1,000 1,034,231 Metal & Glass Containers 0.30% 532,500 Owens-Brockway Glass Container, Inc., Gtd Sr Note 8.250 05-15-2013 B 500 532,500 Multi-Line Insurance 0.62% 1,116,126 Assurant, Inc., Note 5.625 02-15-2014 BBB+ 510 523,330 Massachusetts Mutual Life Insurance Co., Surplus Note (S) 7.625 11-15-2023 AA 485 592,796 Multi-Media 1.15% 2,062,049 News America Holdings, Inc., Gtd Sr Deb 8.250 08-10-2018 BBB- 540 667,278 Time Warner, Inc., Deb 9.125 01-15-2013 BBB+ 1,114 1,394,771 Office Services & Supplies 1.78% 3,204,478 Office Depot, Inc., Note 6.250 08-15-2013 BBB- 2,000 2,141,574 Steelcase, Inc., Sr Note 6.375 11-15-2006 BBB- 1,020 1,062,904 Oil & Gas Exploration & Production 4.53% 8,157,641 Alberta Energy Co. Ltd., Note (Canada) 8.125 09-15-2030 A- 725 925,080 Canadian Oil Sands Ltd., Note (Canada) (S) 4.800 08-10-2009 BBB+ 1,000 1,014,183 Occidental Petroleum Corp., Sr Deb 10.125 09-15-2009 BBB+ 1,160 1,457,943 Pemex Project Funding Master Trust, Gtd Note 9.125 10-13-2010 BBB- 1,115 1,326,850 Salton Sea Funding Corp., Sr Sec Note Ser C 7.840 05-30-2010 BB+ 1,591 1,693,237 TEPPCO Partners, L.P., Gtd Sr Note 7.625 02-15-2012 BBB 1,500 1,740,348 Oil & Gas Refining & Marketing 0.56% 1,007,603 Enterprise Products Operations, L.P., Sr Note (S) 5.600 10-15-2014 BB+ 1,000 1,007,603 Other Diversified Financial Services 1.05% 1,885,276 Glencore Funding LLC, Gtd Note (S) 6.000 04-15-2014 BBB 1,000 969,848 Humpuss Funding Corp., Note (S) 7.720 12-15-2009 B2 231 208,559 St. George Funding Co., Perpetual Bond (8.485% to 06-30-17 then variable) (Australia) (S) 8.485 12-31-2049 BBB+ 615 706,869 Paper Packaging 1.51% 2,718,075 Sealed Air Corp., Sr Note (S) 5.375 04-15-2008 BBB 1,245 1,299,937 Stone Container Corp., Sr Note 9.750 02-01-2011 B 285 315,638 Sr Note 8.375 07-01-2012 B 1,000 1,102,500 Paper Products 3.47% 6,235,299 Abitibi-Consolidated Co., Gtd Sr Note (Canada) 6.950 12-15-2006 BB 2,000 2,065,000 Boise Cascade Corp., Sr Note 6.500 11-01-2010 BB 1,085 1,209,775 International Paper Co., Note (L) 5.850 10-30-2012 BBB 2,000 2,113,024 MDP Acquisitions Plc, Sr Note (Ireland) 9.625 10-01-2012 B 750 847,500 Pharmaceuticals 1.81% 3,258,124 Medco Health Solutions, Inc., Sr Note (L) 7.250 08-15-2013 BBB 1,550 1,727,735 Wyeth, Note 5.500 03-15-2013 A 1,500 1,530,389 Property & Casualty Insurance 0.57% 1,019,007 Ohio Casualty Corp., Note 7.300 06-15-2014 BB 750 791,476 URC Holdings Corp., Sr Note (S) 7.875 06-30-2006 AA- 210 227,531 Real Estate Investment Trusts 1.02% 1,834,663 Healthcare Realty Trust, Inc., Sr Note 8.125 05-01-2011 BBB- 175 204,516 ProLogis Trust, Sr Note 7.050 07-15-2006 BBB+ 510 543,944 Spieker Properties, Inc., L.P., Note 7.125 12-01-2006 BBB+ 1,000 1,086,203 Real Estate Management & Development 0.32% 571,571 Socgen Real Estate Co. LLC, Perpetual Bond Ser A (7.640% to 09-30-07 then variable) (S) 7.640 12-29-2049 A 515 571,571 Regional Banks 0.32% 581,669 Greater Bay Bancorp., Sr Note Ser B 5.250 03-31-2008 BBB- 565 581,669 Soft Drinks 0.62% 1,115,000 Panamerican Beverages, Inc., Sr Note (Panama) 7.250 07-01-2009 BBB 1,000 1,115,000 Telecommunication Services 7.07% 12,718,366 AT&T Corp., Sr Note 8.050 11-15-2011 BB+ 1,730 1,935,437 BellSouth Corp., Bond 5.200 09-15-2014 A 350 353,263 Deutsche Telekom International Finance B.V., Bond (Coupon rate step up/down on rating) (Netherlands) 8.500 06-15-2010 BBB+ 1,005 1,204,581 France Telecom S.A., Note (France) 8.500 03-01-2011 BBB+ 1,150 1,376,642 Qwest Capital Funding, Inc., Gtd Note 7.000 08-03-2009 B 1,000 915,000 Sprint Capital Corp., Gtd Sr Note 7.625 01-30-2011 BBB- 1,000 1,155,331 Note 6.875 11-15-2028 BBB- 820 860,092 Telecom Italia Capital, Gtd Class B Note (Luxembourg) (S) 5.250 11-15-2013 BBB+ 1,500 1,528,301 Telefonos de Mexico S.A. de C.V., Note (Mexico) 4.500 11-19-2008 BBB- 1,750 1,755,143 Telus Corp., Note (Canada) 8.000 06-01-2011 BBB 1,395 1,634,576 Telecommunications Equipment 0.81% 1,448,410 Corning, Inc., Med Term Note 8.300 04-04-2025 BB+ 1,150 1,198,129 Note 6.300 03-01-2009 BB+ 240 250,281 Thrifts & Mortgage Finance 8.81% 15,854,350 Ameriquest Mortgage Securities, Inc., Pass Thru Ctf Ser 2003-IA1 Class A4 4.965 11-25-2033 AAA 2,000 2,026,756 Bear Stearns Commericial Mortgage Securities, Inc., Commercial Sub Bond Ser 2004-ESA Class C (S) 4.937 05-14-2016 AA 1,000 1,024,417 Centex Home Equity Loan Trust, Home Equity Loan Asset-Backed Ctf Ser 2004-A Class AF4 4.510 08-25-2032 AAA 2,000 2,014,531 ContiMortgage Home Equity Loan Trust, Pass Thru Ctf Ser 1995-2 Class A-5 8.100 08-15-2025 AAA 240 240,033 Countrywide Alternative Loan Trust, Ser 2004-24 Class 1A1 6.000 11-25-2034 AAA 1,380 1,417,734 Credit-Based Asset Servicing and Securitization LLC, Mtg Asset Backed Ctf Ser 2004-CB4 Class A3 4.632 05-25-2035 AAA 1,000 1,006,160 Deutsche Mortgage & Asset Receiving Corp., Commercial Mtg Pass Thru Ctf Ser 1998-C1 Class C 6.861 06-15-2031 A2 415 455,751 DLJ Mortgage Acceptance Corp. Commercial Mtg Pass Thru Ctf Ser 1996-CF1 Class B1 (S) 8.311 03-13-2028 A 1,535 1,638,219 Global Signal Trust, Sub Bond Ser 2004-1A Class D (S) 5.098 01-15-2034 BBB 2,000 1,971,616 LB-UBS Commercial Mortgage Trust, Commercial Mtg Pass Thru Ctf Ser 2003-C3 Class A4 4.166 05-15-2032 AAA 1,000 970,926 MBNA Master Credit Card Trust, Sub Bond Ser 1998-E Class C (S) 6.600 09-15-2010 BBB 1,000 1,079,807 WFS Financial Owner Trust, Pass Thru Ctf Ser 2004-3 Class A3 3.300 03-17-2009 AAA 2,000 2,008,400 Tobacco 0.48% 865,991 Altria Group, Inc., Note 7.000 11-04-2013 BBB 830 865,991 Trucking 0.32% 573,848 CNF, Inc., Sr Deb Ser B 6.700 05-01-2034 BBB- 560 573,848 Wireless Telecommunication Services 1.97% 3,544,558 America Movil S.A. de C.V., Gtd Note (Mexico) (S) 5.500 03-01-2014 BBB- 765 739,359 AT&T Wireless Services, Inc., Note 8.125 05-01-2012 BBB 1,525 1,842,699 Mobile Telesystems Finance S.A., Gtd Sr Note (Luxembourg) (S) 9.750 01-30-2008 BB- 400 425,000 Nextel Communications, Inc., Sr Note 7.375 08-01-2015 BB 500 537,500 Credit Issuer, description rating (A) Shares Value Preferred stocks 7.92% $14,242,732 (Cost $14,083,592) Auto Parts & Equipment 0.79% 1,421,200 Delphi Trust I, 8.25% BB 55,000 1,421,200 Broadcasting & Cable TV 0.58% 1,048,000 Viacom, Inc., 7.25% A- 40,000 1,048,000 Diversified Banks 2.82% 5,065,782 Abbey National Plc, 7.375% (United Kingdom) A- 41,300 1,100,232 Bank One Capital Trust VI, 7.20% BBB+ 55,000 1,463,000 Fleet Capital Trust VII, 7.20% A- 55,000 1,443,750 USB Capital IV, 7.35% A- 40,000 1,058,800 Electric Utilities 1.21% 2,168,600 Ameren Corp., 9.75%, Conv BBB+ 20,000 549,200 DTE Energy Co., 8.75%, Conv BBB 20,000 517,000 PSEG Funding Trust II, 8.75% BB+ 40,000 1,102,400 Gas Utilities 0.59% 1,060,000 KeySpan Corp., 8.75%, Conv A 20,000 1,060,000 Integrated Telecommunication Services 0.58% 1,053,200 Telephone & Data Systems, Inc., 7.60%, Ser A A- 40,000 1,053,200 Investment Banking & Brokerage 0.59% 1,054,800 Citigroup Capital VII, 7.125% A 40,000 1,054,800 Real Estate Investment Trusts 0.76% 1,371,150 Apartment Investment & Management Co., 8.00%, Ser T B+ 55,000 1,371,150 Interest Maturity Credit Par value Issuer, description rate (%) date rating (A) ($000) Value U.S. government and agencies securities 49.21% $88,516,214 (Cost $87,138,131) Government U.S. 13.52% 24,323,801 United States Treasury, Bond (L) 8.875 08-15-2017 AAA 1,215 1,733,273 Bond (L) 9.125 05-15-2018 AAA 495 724,034 Bond (L) 5.375 02-15-2031 AAA 3,875 4,151,094 Note (L) 6.000 08-15-2009 AAA 3,345 3,739,345 Note (L) 4.750 05-15-2014 AAA 4,670 4,902,043 Note (L) 4.250 08-15-2014 AAA 8,980 9,074,012 Government U.S. Agency 35.69% 64,192,413 Federal Home Loan Mortgage Corp., 20 Yr Pass Thru Ctf 11.250 01-01-2016 AAA 48 53,465 30 Yr Pass Thru Ctf 5.500 04-01-2033 AAA 2,385 2,422,999 30 Yr Pass Thru Ctf (M) 6.000 08-01-2034 AAA 11,025 11,401,906 CMO REMIC 2563-PA 4.250 03-15-2031 AAA 946 939,405 Note 4.250 07-15-2009 AAA 2,000 2,045,840 Federal National Mortgage Assn., 15 Yr Pass Thru Ctf 7.500 02-01-2008 AAA 5 5,442 15 Yr Pass Thru Ctf 7.000 09-01-2010 AAA 61 65,501 15 Yr Pass Thru Ctf 7.000 09-01-2012 AAA 10 11,610 15 Yr Pass Thru Ctf 7.000 02-01-2016 AAA 1,636 1,736,858 15 Yr Pass Thru Ctf (M) 5.000 10-01-2017 AAA 3,915 3,976,172 15 Yr Pass Thru Ctf 7.000 04-01-2017 AAA 82 87,813 15 Yr Pass Thru Ctf 5.000 08-01-2019 AAA 1,085 1,103,731 30 Yr Pass Thru Ctf 5.500 04-01-2033 AAA 1,202 1,224,810 30 Yr Pass Thru Ctf 6.000 12-01-2033 AAA 9,768 10,121,408 30 Yr Pass Thru Ctf 6.000 01-01-2034 AAA 11,897 12,344,044 30 Yr Pass Thru Ctf 7.000 02-01-2034 AAA 1,149 1,219,489 30 Yr Pass Thru Ctf (M) 5.500 10-15-2034 AAA 1,240 1,256,275 30 Yr Pass Thru Ctf (M) 6.000 10-15-2034 AAA 6,560 6,783,447 30 Yr Pass Thru Ctf (M) 6.500 10-15-2034 AAA 1,380 1,447,275 CMO REMIC 2003-16-PD 5.000 10-25-2016 AAA 1,340 1,364,452 CMO REMIC 2003-17-QT 5.000 08-25-2027 AAA 1,675 1,676,608 Financing Corp., Bond 9.400 02-08-2018 AAA 2,000 2,863,426 Government National Mortgage Assn., 30 Yr Pass Thru Ctf 9.500 11-15-2019 AAA 0 518 30 Yr Pass Thru Ctf 10.000 11-15-2020 AAA 10 12,248 30 Yr Pass Thru Ctf 9.500 01-15-2021 AAA 11 12,706 30 Yr Pass Thru Ctf 9.500 02-15-2025 AAA 13 14,965 Interest Credit Par value Issuer, description, maturity date rate (%) rating (A) ($000) Value Short-term investments 8.79% $15,820,000 (Cost $15,820,000) Government U.S. Agency 8.78% 15,800,000 Federal Home Loan Bank, Discount Note 10-01-04 Zero AAA 15,800 15,800,000 Joint Repurchase Agreement 0.01% 20,000 Investment in a joint repurchase agreement transaction with Barclays Capital, Inc. - Dated 09-30-04, due 10-01-04 (Secured by U.S. Treasury Inflation Indexed Bond 3.875%, due 04-15-29) 1.760 20 20,000 Total investments 156.10% $280,781,508 Other assets and liabilities, net (56.10%) ($100,913,084) Total net assets 100.00% $179,868,424 (A) Credit ratings are unaudited and are rated by Moody's Investors Service, where Standard & Poor's ratings are not available. (B) This security is fair valued in good faith under procedures established by the Board of Trustees. (G) Security rated internally by John Hancock Advisers, LLC. (H) Non-income-producing issuer filed for protection under the Federal Bankruptcy Code or is in default of interest payment. (L) All or a portion of this security is on loan on September 30, 2004. (M) A portion of these securities having an aggregate value of $23,232,862, or 12.92% of the Fund's net assets, have been purchased as forward commitments--that is, the Fund has agreed on trade date to take delivery of and to make payment for these securities on a delayed basis subsequent to the date of this schedule. The purchase price and interest rate of these securities are fixed at trade date, although the Fund does not earn any interest on these until settlement date. The Fund has segregated assets with a current value at least equal to the amount of the forward commitments. Accordingly, the market value of $23,746,186 of Federal National Mortgage Assn., 6.000%, 12-01-33 and Federal National Mortgage Assn., 6.000%, 01-01-34 has been segregated to cover the forward commitments. (O) Cash interest will be paid on this obligation at the stated rate beginning on the stated date. (S) These securities are exempt from registration under rule 144A of the Securities Act of 1933. Such securities may be resold, normally to qualified institutional buyers, in transactions exempt from registration. Rule 144A securities amounted to $29,333,384 or 16.31% of net assets as of September 30, 2004. Parenthetical disclosure of a foreign country in the security description represents country of a foreign issuer, however, security is U.S. dollar denominated. The percentage shown for each investment category is the total value of that category as a percentage of the net assets of the Fund. The cost of investments owned on September 30, 2004, including short-term investments, was $274,458,286. Gross unrealized appreciation and depreciation of investments aggregated $8,002,687 and ($2,261,327), respectively, resulting in net unrealized appreciation of $5,741,360. For more information Trustees Charles L. Ladner, Chairman* Dennis S. Aronowitz Richard P. Chapman, Jr. William J. Cosgrove Richard A. Farrell William F. Glavin* Dr. John A. Moore* Patti McGill Peterson* John W. Pratt James A. Shepherdson *Members of the Audit Committee Officers James A. Shepherdson President and Chief Executive Officer Susan S. Newton Senior Vice President and Secretary William H. King Vice President and Treasurer Investment Adviser John Hancock Advisers, LLC 101 Huntington Avenue Boston, Massachusetts 02199-7603 Custodian The Bank of New York One Wall Street New York, New York 10286 Transfer Agent and Registrar Mellon Investor Services 85 Challenger Road Overpeck Centre Ridgefield Park, New Jersey 07660 Transfer Agent for APS Deutsche Bank Trust Company Americas 280 Park Avenue New York, New York 10017 Legal Counsel Wilmer Cutler Pickering Hale and Dorr LLP 60 State Street Boston, Massachusetts 02109-1803 Stock Symbol Listed New York Stock Exchange: JHS How to contact us Internet www.jhfunds.com Mail Regular mail: Mellon Investor Services 85 Challenger Road Overpeck Centre Ridgefield Park, NJ 07660 Phone Customer service representatives 1-800-852-0218 Portfolio commentary 1-800-344-7054 24-hour automated information 1-800-843-0090 TDD line 1-800-231-5469 This report is for the information of the shareholders of the John Hancock Income Securities Trust. P60Q3 9/04 11/04 ITEM 2. CONTROLS AND PROCEDURES. (a) Based upon their evaluation of the registrant's disclosure controls and procedures as conducted within 90 days of the filing date of this Form N-Q, the registrant's principal executive officer and principal accounting officer have concluded that those disclosure controls and procedures provide reasonable assurance that the material information required to be disclosed by the registrant on this report is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission's rules and forms. (b) There were no changes in the registrant's internal control over financial reporting that occurred during the registrant's last fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting. ITEM 3. EXHIBITS. Separate certifications for the registrant's principal executive officer and principal accounting officer, as required by Rule 30a-2(a) under the Investment Company Act of 1940, are attached. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. John Hancock Income Securities Trust By: ------------------------------ James A. Shepherdson President and Chief Executive Officer Date: November 23, 2004 Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated. By: ------------------------------ James A. Shepherdson President and Chief Executive Officer Date: November 23, 2004 By: ------------------------------ William H. King Vice President and Treasurer Date: November 23, 2004