Netscout Systems
NTCT · NASDAQ
$38.70+$0.11 (+0.29%)TodayMarket closed ·
Prev close $38.59
Who owns NTCT
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 55.7% of NTCT’s shares.
- BlackRock Institutional Trust Company, N.A.13.8%
- Vanguard Portfolio Management, LLC7.7%
- Dimensional Fund Advisors, L.P.6.0%
- Legal & General Investment Management Ltd.5.2%
- Next 6 largest institutions23.0%
- All other shareholders44.3%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 10.05M | 13.82% |
| Vanguard Portfolio Management, LLC | 5.59M | 7.69% |
| Dimensional Fund Advisors, L.P. | 4.33M | 5.95% |
| Legal & General Investment Management Ltd. | 3.81M | 5.24% |
| State Street Investment Management (US) | 3.58M | 4.92% |
| LSV Asset Management | 3.16M | 4.35% |
| Vanguard Capital Management, LLC | 3.06M | 4.20% |
| Singhal (Anil K) | 2.72M | 3.74% |
| Geode Capital Management, L.L.C. | 2.15M | 2.96% |
| Robeco Institutional Asset Management B.V. | 2.06M | 2.83% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Small-Cap ETF | 4.14M | 5.69% |
| L&G Cyber Security UCITS ETF Fund | 3.73M | 5.13% |
| Vanguard Total Stock Market Index Fund | 2.16M | 2.97% |
| iShares Russell 2000 ETF | 1.89M | 2.61% |
| Vanguard Information Technology Index Fund | 1.79M | 2.47% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $1.57M (8 trades) of NTCT on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Perretta Christopher | Sale | 7.00K | $266.00K |
| VITALE VIVIAN M | Option exercise | 7.00K | — |
| VITALE VIVIAN M | Option exercise | 7.00K | — |
| Perretta Christopher | Option exercise | 7.00K | — |
| Perretta Christopher | Option exercise | 7.00K | — |
| Pelage Marlene | Option exercise | 7.00K | — |
| Pelage Marlene | Option exercise | 7.00K | — |
| Nash Shannon | Option exercise | 7.00K | — |
| Nash Shannon | Option exercise | 7.00K | — |
| HADZIMA JOSEPH G JR | Option exercise | 7.00K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 3.35M
- Days to cover
- 4.81
- % of shares outstanding
- 4.60%
- Average daily volume
- 695.16K
- Change since last report
- −9.4%
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