UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. ________)*
Netscout Systems, Inc.
(Name of Issuer)
Common
(Title of Class of Securities)
64115T104
(CUSIP Number)
Clinton Ward, Chief Compliance Officer,
3290 Northside Parkway, 7th Floor, Atlanta, GA 30327   (404)881-3401
(Name, Address and Telephone Number of Person
Authorized to Receive Notices and Communications)
December 31, 2018
(Date of Event which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to
which this Schedule is filed:
X Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)
* The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class
of securities, and for any subsequent amendment containing information
which would alter disclosures provided in a prior cover page.
The information required on the remainder of this cover page
shall not be deemed to be "filed" for the purpose of Section 18 of the
Securities Exchange Act of 1934 ("Act") or otherwise subject to the
liabilities of that section of the Act but shall be subject to all other
provisions of the Act (however, see the Notes).





CUSIP No 64115T104 13G Page 2of 5 Pages





1. NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
CIBC Private Wealth Management
04-3173832


2.
 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(see instructions)
(a)
(b)

3.
 SEC USE ONLY

4.
 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware






NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH

5. SOLE VOTING POWER
4,596,467

6. SHARED VOTING POWER
0



7.
 SOLE DISPOSITIVE POWER
4,596,467



8. SHARED DISPOSITIVE POWER
0






9.
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
4,596,467

10. CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
(see instructions)
11.
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.92%

12.TYPE OF REPORTING PERSON (see instructions)
Parent holding company or control person in accordance with Section
240.13d-1(b)(1)(ii)(G)





CUSIP No.64115T104
 13G

 Page 3 of 5 Pages

Item 1.

(a)
Name of Issuer
Netscout Systems Inc.
(b)
Address of Issuer's Principal Executive Offices
310 Littleton Road
Westford, MA 01886



Item 2.
(a)
Name of Person Filing
CIBC Private Wealth Advisors Inc

(b)
Address of the Principal Office or, if none, residence
3290 Northside Parkway, 7th Floor, Atlanta, GA 30327

(c)
Citizenship
Delaware
(d)
Title of Class of Securities
Common

(e)
CUSIP Number
64115T104



Item 3.If this statement is filed pursuant to section 240.13d-1(b)
or 240.13d-2(b) or
(c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

(b)

Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).
(d)
Investment company registered under section 8 of the Investment Company Act of
1940 (15 U.S.C. 80a-8).

(e)

An investment adviser in accordance with section 240.13d-1(b)(1)(ii)(E):
(f)

An employee benefit plan or endowment fund in accordance with section
240.13d-1(b)(1)(ii)(F);

(g)X
A parent holding company or control person in accordance with section
240.13d-1(b)(1)(ii)(G);
(h)

A savings associations as defined in Section 3(b) of the
Federal Deposit Insurance Act (12 U.S.C. 1813):
(i)
A church plan that is excluded from the definition of an investment
company under section 3(c)(14) of the Investment Company Act of 1940
(15 U.S.C. 80a-3);
(j)Group,in accordance with section 240.13d-1(b)(1)(ii)(J).





Item 4.Ownership.
Provide the following information regarding the aggregate number
and percentage of the class of securities of the issuer identified in
Item 1.
(a)
Amount beneficially owned:4,596,467
(b)
Percent of class: 5.92%

(c)
Number of shares as to which the person has:

(i)
Sole power to vote or to direct the vote 4,596,467


(ii)
Shared power to vote or to direct the vote 0

(iii)
Sole power to dispose or to direct the disposition of 4,596,467

(iv)
Shared power to dispose or to direct the disposition of 0
Instruction. For computations regarding securities which represent a
right to acquire an underlying security see section 240.13d-3(d)(1).
Item 5.Ownership of Five Percent or Less of a Class.
If this statement is being filed to report the fact that as of the date
hereof the reporting person has ceased to be the beneficial owner of more
than five percent of the class of securities, check the following.
Instruction. Dissolution of a group requires a response to this item
Item 6.Ownership of More than Five Percent on Behalf of Another Person.
Item 7.Identification and Classification of the Subsidiary Which Acquired
the Security Being Reported on By the Parent Holding Company.
CIBC National Trust Company
CIBC Private Wealth Advisors, Inc.
Item 8.Identification and Classification of Members of the Group.
Item 9.Notice of Dissolution of Group.
Item 10. Certification.
(a)
The following certification shall be included if the statement is
filed pursuant to section 40.13d-1(b):

By signing below I certify that, to the best of my knowledge and belief,
the securities referred to above were acquired and are held in the
ordinary course of business and were not acquired and are not held
for the purpose of or with the effect of changing or influencing
the control of the issuer of the securities and were not acquired
and are not held in connection with or as a participant in any
transaction having that purpose or effect.
(b) The following certification shall be included if the statement
is filed pursuant to section 240.13d-1(c):
By signing below I certify that, to the best of my knowledge and belief,
the securities referred to above were not acquired and are not held
for the purpose of or with the effect of changing or influencing the
control of the issuer of the securities and were not acquired
and are not held in connection with or as a participant in any
transaction having that purpose or effect.





CUSIP No 64115T104 13G

Page 5 of 5 Pages
After reasonable inquiry and to the best of my knowledge and belief,
I certify that the information set forth in this statement is true,
complete and correct.
02/08/2019
Date


/s/ Mary E. Antunes
Signature


Mary E. Antunes/Director, Private Wealth Compliance
Name/Title