Beneficial Ownership Report · SCHEDULE 13G
NetScout Systems, Inc.
NTCTNASDAQEQUITYCurrent
Beneficial Ownership Report
Structured filing — SCHEDULE 13G
primary_doc.xml
Subject company
- Company
- NETSCOUT SYSTEMS INC
- Company CIK
- 0001078075
- Street
- 310 LITTLETON ROAD
- City
- WESTFORD
- State / country code
- MA
- Postal code
- 01886
Statement details
- Security class
- COMMON STOCK
- Event date
- 09/30/2026
- Rule designation
- Rule 13d-1(b)
Reporting person 1
- Name
- STATE STREET CORPORATION
- Citizenship / organization
- MA
- Reporting person type
- HC
- Aggregate amount owned
- 3,563,952.00
- Percent of class
- 4.9
- Sole voting power
- 0.00
- Shared voting power
- 3,336,866.00
- Sole dispositive power
- 0.00
- Shared dispositive power
- 3,563,952.00
- Aggregate excludes certain shares
- N
Item 1
Issuer
NETSCOUT SYSTEMS INC
Principal executive office address
310 LITTLETON ROAD, WESTFORD, MASSACHUSETTS, 01886
Item 2
Citizenship
MA
Filing person
STATE STREET CORPORATION;
Principal business or residence address
ONE CONGRESS STREET, SUITE 1, BOSTON MA 02114, UNITED STATES
Item 3
Not applicable indication
N
Type of filing person
IA · HC
Item 4
Percent of class
4.9
Amount beneficially owned
3563952.00
Sole voting power
0
Shared voting power
3,336,866
Sole dispositive power
0
Shared dispositive power
3,563,952
Item 5
Not applicable indication
N
Ownership of 5% or less
Y
Item 6
Not applicable indication
N
Ownership on behalf of another person
NOT APPLICABLE
Item 7
Not applicable indication
N
Subsidiaries
SSGA FUNDS MANAGEMENT, INC. (IA);STATE STREET GLOBAL ADVISORS (JAPAN) CO., LTD. (IA);STATE STREET GLOBAL ADVISORS EUROPE LIMITED (IA);STATE STREET GLOBAL ADVISORS LIMITED (IA);STATE STREET GLOBAL ADVISORS SINGAPORE LIMITED (IA);STATE STREET GLOBAL ADVISORS TRUST COMPANY (IA);STATE STREET GLOBAL ADVISORS, LTD. (IA);
Item 8
Not applicable indication
N
Group members
NOT APPLICABLE
Item 9
Not applicable indication
N
Item 10
Not applicable indication
N
Certifications
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, other than activities solely in connection with a nomination under § 240.14a-11.
Signature 1
- Reporting person
- STATE STREET CORPORATION
- Signed
- ALOK MAHESHWARY
- Title
- SENIOR VICE PRESIDENT
- Date
- 11/09/2026
Company context
NETSCOUT SYSTEMS, INC. (NASDAQ: NTCT) protects the connected world from cyberattacks and performance and availability disruptions through its unique visibility platform and solutions powered by its pioneering deep packet inspection at scale technology. As a leading provider of network observability, AIOps, carrier service assurance, cybersecurity, and Distributed Denial-of-Service (DDoS) attack protection solutions, NETSCOUT serves the world’s largest enterprises, service providers, and public sector organizations. Learn more at www.netscout.com or follow @NETSCOUT on LinkedIn, X, or Facebook.