NetScout Systems, Inc. (NTCT) ownership: Top institutional holder: BlackRock, Inc. ($362.06M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 11388987.00 | $362.06M | 2026-03-31 |
| VANGUARD GROUP INC | 9057337.00 | $245.09M | 2025-12-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5528844.00 | $175.76M | 2026-03-31 |
| BlackRock Fund Advisors | 5563739.00 | $175.26M | 2016-12-31 |
| DIMENSIONAL FUND ADVISORS LP | 4258974.00 | $135.39M | 2026-03-31 |
| Legal & General Group Plc | 3635111.00 | $115.56M | 2026-03-31 |
| STATE STREET CORP | 3277433.00 | $104.19M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3045450.00 | $96.81M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-15 | |
| Sell | null | 2026-06-15 | |
| Sell | null | 2026-06-15 | |
| Sell | null | 2026-06-15 | |
| Sell | null | 2026-06-15 | |
| Sell | null | 2026-06-15 | |
| Sell | null | 2026-06-15 | |
| Sell | null | 2026-06-15 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.