NetScout Systems Inc
Ownership
Ownership Structure
Who owns NetScout Systems Inc (NTCT)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 95.0% of the shares are freely tradable; institutional investors hold 97.8%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 15.73 | 11,435,751 | +0.4 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 7.69 | 5,590,843 | +1.1 | 06/30/2026 |
| Dimensional Fund Advisors, Inc. | 5.95 | 4,327,997 | +1.6 | 06/30/2026 |
| Legal & General Group PLC | 5.24 | 3,811,022 | +4.8 | 06/30/2026 |
| State Street Corp | 4.92 | 3,579,289 | +9.2 | 06/30/2026 |
| LSV Asset Management | 4.35 | 3,161,650 | +15.2 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.20 | 3,055,146 | +0.3 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 5.66 | 4,112,297 | +0.0 | 09/30/2026 |
| L&G Cyber Security ETF | 5.38 | 3,910,707 | +1.0 | 09/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 2.97 | 2,162,893 | +0.4 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Singhal Anil K | President & CEO | 462,049 | 17,373,042 $ | Oct 26, 2026 | direct |
| Downing John | EVP, Worldwide Sales Ops | 131,341 | 4,938,422 $ | Oct 26, 2026 | direct |
| Hadzima Joseph G Jr | Director | 125,185 | 4,706,956 $ | Sep 10, 2026 | direct |
| Egan John R | Director | 112,740 | 4,239,024 $ | Sep 10, 2026 | direct |
| Donahue Robert E | Director | 73,977 | 2,781,535 $ | Sep 10, 2026 | direct |
| Vitale Vivian M | Director | 52,970 | 1,991,672 $ | Sep 10, 2026 | direct |
| Grasso Alfred | Director | 42,000 | 1,579,200 $ | Sep 10, 2026 | direct |
| Szabados Michael | Director | 41,654 | 1,566,190 $ | Aug 25, 2026 | direct |
| Perretta Christopher | Director | 40,866 | 1,536,562 $ | Sep 11, 2026 | direct |
| Piazza Anthony John | EVP & Chief Financial Officer | 29,517 | 1,109,839 $ | Aug 25, 2026 | direct |
| Pelage Marlene | Director | 25,085 | 943,196 $ | Sep 10, 2026 | direct |
| Nash Shannon | Director | 25,085 | 943,196 $ | Sep 10, 2026 | indirect |
| Munshi Sanjay | Chief Operating Officer | 8,998 | 338,325 $ | Aug 25, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 26, 2026 | Singhal Anil K | President & CEO | Other | 6,485 | 39.67 | 257,260 |
| Oct 26, 2026 | Singhal Anil K | President & CEO | Other | 13,500 | – | – |
| Oct 26, 2026 | Downing John | EVP, Worldwide Sales Ops | Other | 3,218 | 39.67 | 127,658 |
| Oct 26, 2026 | Downing John | EVP, Worldwide Sales Ops | Other | 6,750 | – | – |
| Sep 11, 2026 | Perretta Christopher | Director | Sell | 7,000 | 38.00 | 266,000 |
| Sep 10, 2026 | Vitale Vivian M | Director | Other | 7,000 | – | – |
| Sep 10, 2026 | Perretta Christopher | Director | Other | 7,000 | – | – |
| Sep 10, 2026 | Pelage Marlene | Director | Other | 7,000 | – | – |
| Sep 10, 2026 | Nash Shannon | Director | Other | 7,000 | – | – |
| Sep 10, 2026 | Hadzima Joseph G Jr | Director | Other | 7,000 | – | – |
| Sep 10, 2026 | Grasso Alfred | Director | Other | 7,000 | – | – |
| Sep 10, 2026 | Egan John R | Director | Other | 7,000 | – | – |
| Sep 10, 2026 | Donahue Robert E | Director | Other | 7,000 | – | – |
| Aug 25, 2026 | Szabados Michael | Director | Sell | 4,000 | 37.70 | 150,800 |
| Aug 25, 2026 | Piazza Anthony John | EVP & Chief Financial Officer | Other | 737 | 37.81 | 27,866 |
| Aug 25, 2026 | Piazza Anthony John | EVP & Chief Financial Officer | Other | 2,500 | – | – |
| Aug 25, 2026 | Munshi Sanjay | Chief Operating Officer | Other | 731 | 37.81 | 27,639 |
| Aug 25, 2026 | Munshi Sanjay | Chief Operating Officer | Other | 3,000 | – | – |
| Aug 17, 2026 | Munshi Sanjay | Chief Operating Officer | Sell | 2,269 | 39.27 | 89,104 |
| Aug 11, 2026 | Downing John | EVP, Worldwide Sales Ops | Sell | 8,000 | 38.41 | 307,280 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 2, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.