Netscout Systems Inc
NTCT- Exchange
- Nasdaq
- Industry
- Services-Computer Integrated Systems Design
- SEC CIK
- 0001078075
In the last 90 days, Netscout Systems Inc insiders filed 0 open-market purchases and 4 sales; 316 institutions reported holding it in 13F filings for Q2 2026, worth $2.98B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Netscout Systems Inc as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 288
- +32 vs. Q4 2025
- Shares held
- 66.8M
- +9.01M (+15.6%) vs. Q4 2025
- Total value
- $2.12B
- +$558.4M (+35.7%) vs. Q4 2025
- New holders
- 54
- 104 more added
- Sold out
- 22
- 86 more reduced
7 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting NTCT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 316 | $2.98B |
| Q1 2026 | 288 | $2.12B |
| Q4 2025 | 263 | $1.81B |
| Q3 2025 | 244 | $1.69B |
| Q2 2025 | 240 | $1.60B |
| Q1 2025 | 233 | $1.36B |
| Q4 2024 | 218 | $1.38B |
| Q3 2024 | 214 | $1.40B |
| Q2 2024 | 218 | $1.16B |
| Q1 2024 | 208 | $1.42B |
| Q4 2023 | 207 | $1.44B |
| Q3 2023 | 214 | $1.81B |
| Q2 2023 | 213 | $2.05B |
| Q1 2023 | 221 | $1.81B |
| Q4 2022 | 227 | $2.18B |
| Q3 2022 | 212 | $2.16B |
| Q2 2022 | 208 | $2.37B |
| Q1 2022 | 218 | $2.21B |
| Q4 2021 | 202 | $2.26B |
| Q3 2021 | 182 | $1.82B |
| Q2 2021 | 183 | $2.01B |
| Q1 2021 | 187 | $1.98B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Netscout Systems Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 11,388,987 | $362.1M | 0.01% | +21,275+0.2% | Added |
| Vanguard Portfolio Management LLC | 5,528,844 | $175.8M | 0.01% | +5,528,844 | New |
| Dimensional Fund Advisors LP | 4,258,974 | $135.4M | 0.03% | +110,702+2.7% | Added |
| Legal & General Group Plc | 3,635,111 | $115.6M | 0.03% | −225,831−5.8% | Reduced |
| State Street Corp | 3,277,433 | $104.2M | 0.00% | +211,596+6.9% | Added |
| Vanguard Capital Management LLC | 3,045,450 | $96.8M | 0.00% | +3,045,450 | New |
| LSV Asset Management | 2,745,452 | $87.3M | 0.19% | +457,416+20.0% | Added |
| Robeco Institutional Asset Management B.V. | 2,011,528 | $63.9M | 0.09% | +452,336+29.0% | Added |
| Geode Capital Management, LLC | 1,834,463 | $58.3M | 0.00% | +27,935+1.5% | Added |
| First Trust Advisors LP | 1,744,535 | $55.5M | 0.04% | −775,198−30.8% | Reduced |
| AQR Capital Management LLC | 1,200,146 | $37.8M | 0.02% | +60,774+5.3% | Added |
| Allianz Asset Management GmbH | 1,185,077 | $37.7M | 0.04% | +64,553+5.8% | Added |
| Wellington Management Group LLP | 1,077,196 | $34.2M | 0.01% | +478,917+80.0% | Added |
| Charles Schwab Investment Management Inc | 1,058,362 | $33.6M | 0.01% | −20,436−1.9% | Reduced |
| Northern Trust Corp | 737,769 | $23.5M | 0.00% | +26,016+3.7% | Added |
| Morgan Stanley | 714,445 | $22.7M | 0.00% | −198,889−21.8% | Reduced |
| SG Americas Securities, LLC | 636,640 | $20.2M | 0.02% | +186,903+41.6% | Added |
| Bridgeway Capital Management, LLC | 634,039 | $20.2M | 0.41% | −8,200−1.3% | Reduced |
| Lazard Asset Management LLC | 585,039 | $18.6M | 0.03% | +46,782+8.7% | Added |
| Barclays PLC | 561,229 | $17.8M | 0.01% | −197,401−26.0% | Reduced |
| Nuveen, LLC | 561,208 | $17.8M | 0.00% | +89,027+18.9% | Added |
| Ameriprise Financial Inc | 548,777 | $17.4M | 0.00% | −8,571−1.5% | Reduced |
| Impax Asset Management Group plc | 522,000 | $16.6M | 0.12% | 00.0% | Unchanged |
| CSM Advisors, LLC | 460,316 | $14.6M | 0.36% | +217,489+89.6% | Added |
| Invesco Ltd. | 452,913 | $14.4M | 0.00% | +20,804+4.8% | Added |
| Bank of New York Mellon Corp | 449,331 | $14.3M | 0.00% | −10,672−2.3% | Reduced |
| SEB Asset Management AB | 444,688 | $14.1M | 0.06% | +444,688 | New |
| Vanguard Fiduciary Trust Co | 443,219 | $14.1M | 0.00% | +443,219 | New |
| Two Sigma Investments, LP | 436,607 | $13.9M | 0.01% | +231,198+112.6% | Added |
| Victory Capital Management Inc | 436,295 | $13.9M | 0.01% | +9,415+2.2% | Added |
| Jupiter Asset Management Ltd | 421,435 | $13.4M | 0.07% | +21,372+5.3% | Added |
| Deutsche Bank AG | 406,293 | $12.9M | 0.00% | +1,792+0.4% | Added |
| Principal Financial Group Inc | 401,707 | $12.8M | 0.01% | +74,775+22.9% | Added |
| Goldman Sachs Group Inc | 400,240 | $12.7M | 0.00% | −65,286−14.0% | Reduced |
| Empowered Funds, LLC | 390,523 | $12.4M | 0.08% | +70,884+22.2% | Added |
| Pacer Advisors, Inc. | 378,101 | $12.0M | 0.03% | −935−0.2% | Reduced |
| FMR LLC | 323,370 | $10.3M | 0.00% | −14,543−4.3% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 322,756 | $10.3M | 0.02% | −208,862−39.3% | Reduced |
| Public Sector Pension Investment Board | 301,405 | $9.58M | 0.03% | +465+0.2% | Added |
| Qube Research & Technologies Ltd | 296,024 | $9.41M | 0.01% | −61,377−17.2% | Reduced |
| Defiance ETFs, LLC | 293,218 | $9.32M | 0.13% | −96,990−24.9% | Reduced |
| Penserra Capital Management LLC | 293,218 | $9.32M | 0.11% | −96,990−24.9% | Reduced |
| Alyeska Investment Group, L.P. | 290,606 | $9.24M | 0.03% | +290,606 | New |
| Allspring Global Investments Holdings, LLC | 283,946 | $9.17M | 0.02% | +164,583+137.9% | Added |
| UBS Group AG | 285,344 | $9.07M | 0.00% | +217,791+322.4% | Added |
| Hillsdale Investment Management Inc. | 280,495 | $8.92M | 0.24% | −300−0.1% | Reduced |
| SEI Investments Co | 225,479 | $7.17M | 0.01% | −56,810−20.1% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 222,647 | $7.08M | 0.01% | +39,632+21.7% | Added |
| Acadian Asset Management LLC | 206,223 | $6.55M | 0.01% | −303,879−59.6% | Reduced |
| First Eagle Investment Management, LLC | 200,002 | $6.36M | 0.01% | −11,500−5.4% | Reduced |
| Rhumbline Advisers | 196,536 | $6.25M | 0.01% | +4,390+2.3% | Added |
| American Century Companies Inc | 188,206 | $5.98M | 0.00% | +2,866+1.5% | Added |
| Bridgewater Associates, LP | 187,312 | $5.95M | 0.03% | +10,150+5.7% | Added |
| Leuthold Group, LLC | 182,878 | $5.81M | 0.62% | +2,894+1.6% | Added |
| Edgestream Partners, L.P. | 171,391 | $5.45M | 0.18% | +135,576+378.5% | Added |
| Russell Investments Group, Ltd. | 166,104 | $5.28M | 0.01% | +60,868+57.8% | Added |
| UBS Asset Management Americas Inc | 162,387 | $5.16M | 0.00% | +28,880+21.6% | Added |
| JPMorgan Chase & Co | 159,876 | $4.99M | 0.00% | −150,744−48.5% | Reduced |
| Bank of America Corp | 151,907 | $4.83M | 0.00% | −43,067−22.1% | Reduced |
| Davy Global Fund Management Ltd | 143,979 | $4.58M | 0.35% | −246−0.2% | Reduced |
| Swiss National Bank | 142,728 | $4.54M | 0.00% | +900+0.6% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 137,694 | $4.38M | 0.01% | −4,096−2.9% | Reduced |
| Creative Planning | 133,812 | $4.25M | 0.00% | +34,200+34.3% | Added |
| Ieq Capital, LLC | 131,924 | $4.19M | 0.02% | +3,232+2.5% | Added |
| Jane Street Group, LLC | 118,361 | $3.76M | 0.00% | +100,629+567.5% | Added |
| Prudential Financial Inc | 113,622 | $3.61M | 0.00% | −445,402−79.7% | Reduced |
| Bessemer Group Inc | 113,617 | $3.61M | 0.01% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 113,498 | $3.61M | 0.00% | −37,953−25.1% | Reduced |
| Federated Hermes, Inc. | 112,813 | $3.59M | 0.01% | +7,824+7.5% | Added |
| Martingale Asset Management L P | 110,620 | $3.52M | 0.09% | −9,250−7.7% | Reduced |
| D. E. Shaw & Co., Inc. | 104,342 | $3.32M | 0.00% | −83,743−44.5% | Reduced |
| Segall Bryant & Hamill, LLC | 98,843 | $3.14M | 0.05% | −2,834−2.8% | Reduced |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 93,635 | $2.98M | 0.05% | +16,118+20.8% | Added |
| Marshall Wace, LLP | 92,915 | $2.95M | 0.00% | −301,257−76.4% | Reduced |
| Algert Global LLC | 90,855 | $2.89M | 0.04% | −83,730−48.0% | Reduced |
| HSBC Holdings PLC | 90,779 | $2.88M | 0.00% | +20,111+28.5% | Added |
| Gabelli Funds LLC | 90,000 | $2.86M | 0.02% | 00.0% | Unchanged |
| Clark Estates Inc | 88,912 | $2.83M | 0.68% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 84,163 | $2.68M | 0.00% | +84,163 | New |
| California State Teachers Retirement System | 82,314 | $2.62M | 0.00% | +16,541+25.1% | Added |
| Great West Life Assurance Co | 81,937 | $2.61M | 0.00% | +23,524+40.3% | Added |
| Price T Rowe Associates Inc | 81,047 | $2.58M | 0.00% | +10,080+14.2% | Added |
| Rodgers Brothers Inc. | 79,175 | $2.52M | 0.29% | −600−0.8% | Reduced |
| Integrated Quantitative Investments LLC | 78,816 | $2.51M | 0.45% | +10,643+15.6% | Added |
| Wedge Capital Management L L P | 74,243 | $2.36M | 0.04% | −12,116−14.0% | Reduced |
| Franklin Resources Inc | 72,875 | $2.32M | 0.00% | +5,748+8.6% | Added |
| New York State Teachers Retirement System | 72,808 | $2.31M | 0.00% | −2,235−3.0% | Reduced |
| Susquehanna International Group, LLP | 70,800 | $2.25M | 0.00% | −12,118−14.6% | Reduced |
| Susquehanna Fundamental Investments, LLC | 69,745 | $2.22M | 0.08% | +866+1.3% | Added |
| CWM Advisors, LLC | 69,208 | $2.20M | 0.13% | +6,489+10.3% | Added |
| Millennium Management LLC | 69,118 | $2.20M | 0.00% | +34,320+98.6% | Added |
| BNP Paribas Arbitrage, SA | 68,607 | $2.18M | 0.00% | −61,455−47.3% | Reduced |
| Squarepoint Ops LLC | 64,579 | $2.05M | 0.00% | +64,579 | New |
| Citadel Advisors LLC | 64,554 | $2.05M | 0.00% | +1,713+2.7% | Added |
| KLP Kapitalforvaltning AS | 64,200 | $2.04M | 0.01% | 00.0% | Unchanged |
| Vanguard Asset Management, Ltd | 62,950 | $2.00M | 0.00% | +62,950 | New |
| Mariner, LLC | 62,404 | $1.98M | 0.00% | +4,436+7.7% | Added |
| New Age Alpha Advisors, LLC | 62,176 | $1.98M | 0.09% | −2,444−3.8% | Reduced |
| Alliancebernstein L.P. | 69,628 | $1.88M | 0.00% | −15,905−18.6% | Reduced |
| Amundi | 59,077 | $1.88M | 0.00% | −61,314−50.9% | Reduced |