Institutional Ownership
Netscout Sys Inc
CUSIP 64115T104COMNTCTQ1 2026
13D / 13G Filings
40
Schedule 13D/13G on record
Beneficial Filers
12
Distinct reporting persons
Largest Stake
17.2%
Max % of class reported
Institutional Holders
278
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
40 filings · latest Oct 17, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Oct 17, 2025 | Blackrock, Inc. | 13G/A | 14.8% | 10.60M | SEC |
| 2 | Aug 11, 2025 | Legal &Amp; General Group PLC | 13G | 6.3% | 4.48M | SEC |
| 3 | Jul 9, 2025 | Legal &Amp; General Group PLC | 13G/A | 5.7% | 4.04M | SEC |
| 4 | Apr 30, 2025 | Blackrock, Inc. | 13G/A | 15.9% | 11.41M | SEC |
| 5 | Nov 14, 2024 | Legal &Amp; General Group PLC | 13G | 5.1% | 3.66M | SEC |
| 6 | Oct 31, 2024 | Dimensional Fund Advisors LP | 13G/A | 6.2% | 4.43M | SEC |
| 7 | Aug 2, 2024 | First Trust Portfolios LP | 13G/A | 1.9% | 1.38M | SEC |
| 8 | Feb 13, 2024 | Legal & General Investment Management Ltd | 13G | 5.7% | 4.04M | SEC |
| 9 | Feb 13, 2024 | Neuberger Berman Group LLC | 13G/A | 2.8% | 1.96M | SEC |
| 10 | Feb 13, 2024 | Vanguard Group Inc | 13G/A | 12.7% | 9.01M | SEC |
30 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Netscout Sys Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 11.39M | $362.06M |
| 2 | Dimensional Fund Advisors LP | 4.26M | $135.39M |
| 3 | Legal & General Group PLC | 3.64M | $115.56M |
| 4 | State Street Corp | 3.28M | $104.19M |
| 5 | Robeco Institutional Asset Management B.V. | 2.01M | $63.95M |
| 6 | Geode Capital Management, LLC | 1.83M | $58.33M |
| 7 | First Trust Advisors LP | 1.74M | $55.46M |
| 8 | Aqr Capital Management LLC | 1.20M | $37.76M |
| 9 | Allianz Asset Management Gmbh | 1.19M | $37.67M |
| 10 | Wellington Management Group LLP | 1.08M | $34.24M |