13F Insight
DOSSIER · 13F Holders · Q2 2026Technology · Services-Computer Integrated Systems Design
NTCT

NETSCOUT SYS INC

327 institutions still hold NETSCOUT SYS INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 64115T104·Services-Computer Integrated Systems Design·327 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$2.1B
visible holders
Holders
327
filers reporting
Concentration
23.43%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

327 institutions reported NTCT in Q2 2026. BlackRock, Inc. leads at 23.4% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$498M11.4M0.01%Q2 202602
Vanguard Portfolio Management
CIK 0002100121· Index
$243M5.6M0.01%Q2 202603
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$188M4.3M0.03%Q2 202604
Legal & General Group Plc
CIK 0000764068
$166M3.8M0.03%Q2 202605
STATE STREET CORP
CIK 0000093751
$156M3.6M0.00%Q2 202606
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$133M3.1M0.00%Q2 202607
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$94M2.2M0.01%Q2 202608
Robeco Institutional Asset Management B.V.
CIK 0001418773
$90M2.1M0.11%Q2 202609
LSV ASSET MANAGEMENT
CIK 0001050470
$87M2.7M0.19%Q1 202610
FIRST TRUST ADVISORS LP
CIK 0001125816· Index
$85M2.0M0.05%Q2 202611
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$55M1.3M0.01%Q2 202612
Allianz Asset Management GmbH
CIK 0001535323
$55M1.3M0.04%Q2 202613
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$46M1.1M0.02%Q2 202614
AMERIPRISE FINANCIAL INC
CIK 0000820027
$44M1.0M0.01%Q2 202615
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$44M1.0M0.01%Q2 202616
NORTHERN TRUST CORP
CIK 0000073124· Index
$34M783K0.00%Q2 202617
MORGAN STANLEY
CIK 0000895421
$29M676K0.00%Q2 202618
BRIDGEWAY CAPITAL MANAGEMENT, LLC
CIK 0001107261
$27M613K0.47%Q2 202619
LAZARD ASSET MANAGEMENT LLC
CIK 0001207017
$26M592K0.04%Q2 202620
FMR LLC
CIK 0000315066
$26M591K0.00%Q2 2026
Page 1 of 17
307 more holders available. Log in →
Insiders at NETSCOUT SYS INC
Munshi Sanjay →Piazza Anthony John →Szabados Michael →Downing John →Singhal Anil K →Grasso Alfred →Perretta Christopher →Hadzima Joseph G Jr →