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NTCT

Netscout Systems Inc
$40.93 -2.02 (-4.70%) At close · Jul 2
Market Cap
$2.93B
Shares
71,495,215

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

The Jun 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out.
Holders: 287
Total Value: $1,949,259,483
Total Shares: 61,316,647
Showing 1–100 of 289 holdings by value · page 1 of 3

Institutional Ownership Trend

26 quarters

Superinvestors Holding NTCT

All superinvestors →
Ray Dalio $5,954,648 Joel Greenblatt $866,436

Holder Concentration

Across 287 13F filers
Top Holder
18.6%
Jun 2023 → Mar 2026 · range 17.0% – 18.7%
of institutional value
Top 5
41.8%
Jun 2023 → Mar 2026 · range 41.8% – 55.9%
of institutional value
Top 10
57.3%
Jun 2023 → Mar 2026 · range 57.3% – 70.6%
of institutional value
HHI
563
Jun 2023 → Mar 2026 · range 563 – 795
Broadly held
Showing 100 of 289
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $362,055,888 18.57% 11,388,987
Mega DIMENSIONAL FUND ADVISORS LP $135,392,781 6.95% 4,258,974
Mega Legal & General Group Plc $115,560,177 5.93% 3,635,111
Mega STATE STREET CORP $104,189,595 5.35% 3,277,433
Mega VANGUARD CAPITAL MANAGEMENT LLC $96,814,855 4.97% 3,045,450
Large LSV ASSET MANAGEMENT $87,277,919 4.48% 2,745,452
Large Robeco Institutional Asset Management B.V. $63,946,475 3.28% 2,011,528
Mega GEODE CAPITAL MANAGEMENT, LLC $58,317,578 2.99% 1,834,463
Mega FIRST TRUST ADVISORS LP $55,458,767 2.85% 1,744,535
Mega AQR CAPITAL MANAGEMENT LLC $38,152,638 1.96% 1,200,146
Large Allianz Asset Management GmbH $37,673,597 1.93% 1,185,077
Mega WELLINGTON MANAGEMENT GROUP LLP $34,244,058 1.76% 1,077,196
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $33,645,327 1.73% 1,058,362
Mega NORTHERN TRUST CORP Bank $23,453,672 1.20% 737,769
Mega MORGAN STANLEY $22,712,204 1.17% 714,445
Large SG Americas Securities, LLC Broker-Dealer $20,238,785 1.04% 636,640
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC $20,156,099 1.03% 634,039
Large LAZARD ASSET MANAGEMENT LLC $18,598,389 0.95% 585,039
Mega BARCLAYS PLC $17,841,468 0.92% 561,229
Mega Nuveen, LLC $17,840,801 0.92% 561,208
Mega AMERIPRISE FINANCIAL INC $17,445,619 0.89% 548,777
Large Impax Asset Management Group plc $16,594,380 0.85% 522,000
Mid CSM Advisors, LLC $14,633,445 0.75% 460,316
Mega Invesco Ltd. $14,398,102 0.74% 452,913
Mega Bank of New York Mellon Corp Bank $14,284,229 0.73% 449,331
Large SEB Asset Management AB $14,136,631 0.73% 444,688
Mega VANGUARD FIDUCIARY TRUST CO Bank $14,089,932 0.72% 443,219
Mega TWO SIGMA INVESTMENTS, LP $13,879,736 0.71% 436,607
Mega VICTORY CAPITAL MANAGEMENT INC $13,869,818 0.71% 436,295
Large JUPITER ASSET MANAGEMENT LTD $13,397,418 0.69% 421,435
Mega DEUTSCHE BANK AG\ Bank $12,916,053 0.66% 406,293
Mega PRINCIPAL FINANCIAL GROUP INC $12,770,265 0.66% 401,707
Mega GOLDMAN SACHS GROUP INC $12,723,628 0.65% 400,240
Large Empowered Funds, LLC $12,414,725 0.64% 390,523
Large Pacer Advisors, Inc. $12,019,830 0.62% 378,101
Mega FMR LLC $10,279,932 0.53% 323,370
Large Connor, Clark & Lunn Investment Management Ltd. $10,260,413 0.53% 322,756
Large Public Sector Pension Investment Board Pension $9,581,664 0.49% 301,405
Large Qube Research & Technologies Ltd $9,410,602 0.48% 296,024
Mid Penserra Capital Management LLC $9,321,400 0.48% 293,218
Mid Defiance ETFs, LLC Mutual Fund $9,321,400 0.48% 293,218
Large Alyeska Investment Group, L.P. $9,238,364 0.47% 290,606
Mega UBS Group AG $9,071,085 0.47% 285,344
Large Allspring Global Investments Holdings, LLC $9,026,643 0.46% 283,946
Mid Hillsdale Investment Management Inc. $8,916,936 0.46% 280,495
Large SEI INVESTMENTS CO $7,167,976 0.37% 225,479
Large Universal- Beteiligungs- und Servicegesellschaft mbH $7,077,948 0.36% 222,647
Large ACADIAN ASSET MANAGEMENT LLC $6,555,829 0.34% 206,223
Large First Eagle Investment Management, LLC $6,358,063 0.33% 200,002
Mega RHUMBLINE ADVISERS $6,247,879 0.32% 196,536
Mega AMERICAN CENTURY COMPANIES INC $5,983,068 0.31% 188,206
Large Bridgewater Associates, LP $5,954,648 0.31% 187,312
Small LEUTHOLD GROUP, LLC $5,813,691 0.30% 182,878
Mid Edgestream Partners, L.P. $5,448,519 0.28% 171,391
Large Russell Investments Group, Ltd. $5,280,444 0.27% 166,104
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $5,162,279 0.26% 162,387
Mega JPMORGAN CHASE & CO $5,082,456 0.26% 159,876
Mega BANK OF AMERICA CORP /DE/ Bank $4,829,122 0.25% 151,907
Mid IQ EQ FUND MANAGEMENT (IRELAND) Ltd $4,577,092 0.23% 143,979
Mega Swiss National Bank Bank $4,537,323 0.23% 142,728
Large BNP PARIBAS ASSET MANAGEMENT Holding S.A. $4,377,291 0.22% 137,694
Large Creative Planning $4,253,883 0.22% 133,812
Large IEQ CAPITAL, LLC $4,193,863 0.22% 131,924
Mega JANE STREET GROUP, LLC $3,762,695 0.19% 118,361
Large PRUDENTIAL FINANCIAL INC $3,612,043 0.19% 113,622
Large BESSEMER GROUP INC $3,611,883 0.19% 113,617
Large MACKENZIE FINANCIAL CORP $3,608,101 0.19% 113,498
Large FEDERATED HERMES, INC. $3,586,324 0.18% 112,813
Mid MARTINGALE ASSET MANAGEMENT L P $3,516,609 0.18% 110,620
Mega D. E. Shaw & Co., Inc. $3,317,032 0.17% 104,342
Mid SEGALL BRYANT & HAMILL, LLC $3,142,218 0.16% 98,843
Mid Empirical Financial Services, LLC d.b.a. Empirical Wealth Management $2,976,656 0.15% 93,635
Large MARSHALL WACE, LLP $2,953,767 0.15% 92,915
Mid ALGERT GLOBAL LLC $2,888,280 0.15% 90,855
Mega HSBC HOLDINGS PLC $2,885,864 0.15% 90,779
Large GABELLI FUNDS LLC $2,861,100 0.15% 90,000
Small CLARK ESTATES INC/NY $2,826,512 0.15% 88,912
Mega Vanguard Global Advisers, LLC $2,675,541 0.14% 84,163
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $2,616,762 0.13% 82,314
Large CANADA LIFE ASSURANCE Co Insurance $2,604,777 0.13% 81,937
Mega PRICE T ROWE ASSOCIATES INC /MD/ $2,576,483 0.13% 81,047
Small Rodgers Brothers Inc. $2,516,973 0.13% 79,175
Small Integrated Quantitative Investments LLC $2,505,560 0.13% 78,816
Mid WEDGE CAPITAL MANAGEMENT L L P/NC $2,360,184 0.12% 74,243
Mega FRANKLIN RESOURCES INC $2,316,694 0.12% 72,875
Large NEW YORK STATE TEACHERS RETIREMENT SYSTEM Pension $2,314,566 0.12% 72,808
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $2,250,732 0.12% 70,800
Mid SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC $2,217,193 0.11% 69,745
Mega ALLIANCEBERNSTEIN L.P. $2,213,474 0.11% 69,628
Small Inspire Investing, LLC $2,200,122 0.11% 69,208
Mega MILLENNIUM MANAGEMENT LLC $2,197,261 0.11% 69,118
Mega BNP PARIBAS ARBITRAGE, SA $2,181,016 0.11% 68,607
Large Squarepoint Ops LLC $2,052,966 0.11% 64,579
Mega CITADEL ADVISORS LLC $2,052,171 0.11% 64,554
Large KLP KAPITALFORVALTNING AS $2,040,918 0.10% 64,200
Mega VANGUARD ASSET MANAGEMENT, Ltd $2,001,180 0.10% 62,950
Large Mariner, LLC $1,983,823 0.10% 62,404
Mid New Age Alpha Advisors, LLC $1,976,575 0.10% 62,176
Mega Amundi $1,878,057 0.10% 59,077
Mega CITIGROUP INC $1,866,962 0.10% 58,728
Key facts CIK 1078075 CUSIP 64115T104 13F (30d) 3 filings 3 filers Visit website Investor relations

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