Netscout SystemsNTCT
13F holders, Q1 2026 (March 31)288holders +25
46new positions
20sold out
6famous investors
$31.77avg. 13F price*
At the end of Q1 2026, 288 institutions reported holding Netscout Systems Inc. (NTCT) in their 13F filings, up 25 from Q4 2025. 46 opened new positions and 20 sold out. The largest holders were BlackRock, Inc. ($362.1M), Vanguard Portfolio Management LLC ($175.8M) and Dimensional Fund Advisors LP ($135.4M). 6 famous investors held it, including Ray Dalio (0.0% of Bridgewater Associates's portfolio), Cliff Asness (0.0% of AQR Capital Management's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Netscout Systems Inc.
- CUSIP
- 64115T104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 46 | $24.7M |
| Exits | 20 | $28.3M |
All 13F filers, Q4 2025 → Q1 2026: 4,907,293 shares bought and 5,399,185 shares sold, net −491,892 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 288 holders
| BlackRock, Inc. | 0.01% | Add +0.2% | 11,388,987 | $362.1M |
| Vanguard Portfolio Management LLC | 0.01% | — | 5,528,844 | $175.8M |
| Dimensional Fund Advisors LP | 0.03% | Add +2.7% | 4,258,974 | $135.4M |
| Legal & General Group Plc | 0.03% | Reduce -5.8% | 3,635,111 | $115.6M |
| State Street Corp. | 0.00% | Add +6.9% | 3,277,433 | $104.2M |
| Vanguard Capital Management LLC | 0.00% | — | 3,045,450 | $96.8M |
| LSV Asset Management | 0.19% | Add +20.0% | 2,745,452 | $87.3M |
| Robeco Institutional Asset Management B.V. | 0.09% | Add +29.0% | 2,011,528 | $63.9M |
| Geode Capital Management, LLC | 0.00% | Add +1.6% | 1,834,463 | $58.3M |
| First Trust Advisors LP | 0.04% | Reduce -30.8% | 1,744,535 | $55.5M |
| AQR Capital Management | 0.02% | Add +5.3% | 1,200,146 | $37.8M |
| Allianz Asset Management GmbH | 0.04% | Add +5.8% | 1,185,077 | $37.7M |
| Wellington Management Group LLP | 0.01% | Add +80.0% | 1,077,196 | $34.2M |
| Charles Schwab Investment Management Inc. | 0.01% | Reduce -1.9% | 1,058,362 | $33.6M |
| Northern Trust Corp. | 0.00% | Add +3.7% | 737,769 | $23.5M |
| Morgan Stanley | 0.00% | Reduce -21.8% | 714,445 | $22.7M |
| SG Americas Securities, LLC | 0.02% | Add +41.6% | 636,640 | $20.2M |
| Bridgeway Capital Management, LLC | 0.41% | Reduce -1.3% | 634,039 | $20.2M |
| Lazard Asset Management LLC | 0.03% | Add +8.7% | 585,039 | $18.6M |
| Barclays PLC | 0.01% | Reduce -26.0% | 561,229 | $17.8M |
| Nuveen, LLC | 0.00% | Add +18.9% | 561,208 | $17.8M |
| Ameriprise Financial Inc. | 0.00% | Reduce -1.5% | 548,777 | $17.4M |
| Impax Asset Management Group plc | 0.12% | No change | 522,000 | $16.6M |
| CSM Advisors, LLC | 0.36% | Add +89.6% | 460,316 | $14.6M |
| Invesco Ltd. | 0.00% | Add +4.8% | 452,913 | $14.4M |
| Bank of New York Mellon Corp | 0.00% | Reduce -2.3% | 449,331 | $14.3M |
| SEB Asset Management AB | 0.06% | — | 444,688 | $14.1M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 443,219 | $14.1M |
| Two Sigma Investments, LP | 0.01% | Add +112.5% | 436,607 | $13.9M |
| Victory Capital Management Inc. | 0.01% | Add +2.2% | 436,295 | $13.9M |
| Jupiter Asset Management Ltd. | 0.07% | Add +5.3% | 421,435 | $13.4M |
| Deutsche Bank AG | 0.00% | Add +0.4% | 406,293 | $12.9M |
| Principal Financial Group Inc. | 0.01% | Add +22.9% | 401,707 | $12.8M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -14.0% | 400,240 | $12.7M |
| Empowered Funds, LLC | 0.08% | Add +22.2% | 390,523 | $12.4M |
| Pacer Advisors, Inc. | 0.03% | Reduce -0.3% | 378,101 | $12.0M |
| FMR LLC | 0.00% | Reduce -4.3% | 323,370 | $10.3M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.02% | Reduce -39.3% | 322,756 | $10.3M |
| Public Sector Pension Investment Board | 0.03% | Add +0.1% | 301,405 | $9.6M |
| Qube Research & Technologies Ltd | 0.01% | Reduce -17.2% | 296,024 | $9.4M |
| Defiance ETFs, LLC | 0.13% | Reduce -24.9% | 293,218 | $9.3M |
| Penserra Capital Management LLC | 0.11% | Reduce -24.9% | 293,218 | $9.3M |
| Alyeska Investment Group, L.P. | 0.03% | New | 290,606 | $9.2M |
| Allspring Global Investments Holdings, LLC | 0.02% | Add +137.9% | 283,946 | $9.2M |
| UBS Group AG | 0.00% | Add +322.4% | 285,344 | $9.1M |
| Hillsdale Investment Management Inc. | 0.24% | Reduce -0.1% | 280,495 | $8.9M |
| Sei Investments Co. | 0.01% | Reduce -20.1% | 225,479 | $7.2M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.01% | Add +21.7% | 222,647 | $7.1M |
| Acadian Asset Management LLC | 0.01% | Reduce -59.6% | 206,223 | $6.6M |
| First Eagle Investment Management, LLC | 0.01% | Reduce -5.4% | 200,002 | $6.4M |
| Rhumbline Advisers | 0.01% | Add +2.3% | 196,536 | $6.2M |
| American Century Companies Inc. | 0.00% | Add +1.6% | 188,206 | $6.0M |
| Bridgewater Associates | 0.03% | Add +5.7% | 187,312 | $6.0M |
| Leuthold Group, LLC | 0.62% | Add +1.6% | 182,878 | $5.8M |
| Edgestream Partners, L.P. | 0.18% | Add +378.6% | 171,391 | $5.4M |
| Russell Investments Group, Ltd. | 0.01% | Add +57.8% | 166,104 | $5.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +21.6% | 162,387 | $5.2M |
| JPMorgan Chase & Co. | 0.00% | Reduce -48.5% | 159,876 | $5.0M |
| Bank of America Corp. | 0.00% | Reduce -22.1% | 151,907 | $4.8M |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 0.35% | Reduce -0.2% | 143,979 | $4.6M |
| Swiss National Bank | 0.00% | Add +0.6% | 142,728 | $4.5M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.01% | Reduce -2.9% | 137,694 | $4.4M |
| Creative Planning | 0.00% | Add +34.3% | 133,812 | $4.3M |
| Ieq Capital, LLC | 0.02% | Add +2.5% | 131,924 | $4.2M |
| Jane Street Group, LLC | 0.00% | Add +567.5% | 118,361 | $3.8M |
| Prudential Financial Inc. | 0.00% | Reduce -79.7% | 113,622 | $3.6M |
| Bessemer Group Inc. | 0.01% | No change | 113,617 | $3.6M |
| Mackenzie Financial Corp. | 0.00% | Reduce -25.1% | 113,498 | $3.6M |
| Federated Hermes, Inc. | 0.01% | Add +7.5% | 112,813 | $3.6M |
| Martingale Asset Management L P | 0.09% | Reduce -7.7% | 110,620 | $3.5M |
| D. E. Shaw & Co. | 0.00% | Reduce -44.5% | 104,342 | $3.3M |
| Segall Bryant & Hamill, LLC | 0.04% | Reduce -2.8% | 98,843 | $3.1M |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 0.05% | Add +20.8% | 93,635 | $3.0M |
| Marshall Wace, LLP | 0.00% | Reduce -76.4% | 92,915 | $3.0M |
| Algert Global LLC | 0.04% | Reduce -48.0% | 90,855 | $2.9M |
| HSBC Holdings PLC | 0.00% | Add +28.5% | 90,779 | $2.9M |
| Gabelli Funds LLC | 0.02% | No change | 90,000 | $2.9M |
| Clark Estates Inc. | 0.68% | No change | 88,912 | $2.8M |
| Vanguard Global Advisers, LLC | 0.00% | — | 84,163 | $2.7M |
| California State Teachers Retirement System | 0.00% | Add +25.1% | 82,314 | $2.6M |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +40.3% | 81,937 | $2.6M |
| T. Rowe Price Associates Inc. | 0.00% | Add +14.2% | 81,047 | $2.6M |
| Rodgers Brothers Inc. | 0.29% | Reduce -0.8% | 79,175 | $2.5M |
| Integrated Quantitative Investments LLC | 0.45% | Add +15.6% | 78,816 | $2.5M |
| Wedge Capital Management L L P | 0.04% | Reduce -14.0% | 74,243 | $2.4M |
| Franklin Resources Inc. | 0.00% | Add +8.6% | 72,875 | $2.3M |
| New York State Teachers Retirement System | 0.00% | Reduce -3.0% | 72,808 | $2.3M |
| Susquehanna International Group, LLP | 0.00% | Reduce -14.6% | 70,800 | $2.3M |
| Susquehanna Fundamental Investments, LLC | 0.08% | Add +1.3% | 69,745 | $2.2M |
| Inspire Investing, LLC | 0.13% | Add +10.3% | 69,208 | $2.2M |
| Millennium Management | 0.00% | Add +98.6% | 69,118 | $2.2M |
| BNP Paribas Financial Markets | 0.00% | Reduce -47.3% | 68,607 | $2.2M |
| Squarepoint Ops LLC | 0.00% | New | 64,579 | $2.1M |
| Citadel Advisors | 0.00% | Add +2.7% | 64,554 | $2.1M |
| KLP Kapitalforvaltning As | 0.01% | No change | 64,200 | $2.0M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 62,950 | $2.0M |
| Mariner, LLC | 0.00% | Add +7.7% | 62,404 | $2.0M |
| New Age Alpha Advisors, LLC | 0.09% | Reduce -3.8% | 62,176 | $2.0M |
| Alliancebernstein L.P. | 0.00% | Reduce -18.6% | 69,628 | $1.9M |
| Amundi | 0.00% | Reduce -50.9% | 59,077 | $1.9M |
"% of holder's portfolio" is NTCT's weight in each manager's 13F, not the share of Netscout Systems Inc. the manager owns.