NTCT Institutional Ownership
Who owns Netscout Systems Inc and what the big funds did with it last quarter, from every SEC 13F filing. 316 funds reported holding NTCT at Jun 30, 2026, together owning 96.9% of the company.
- ▲158 buying vs 124 selling
- ▲Held by funds +2.9 pts
- ▲Funds holding +27
- ▲Superinvestors: 2 added, 1 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 316 | 289 | +9.3% |
| In funds' top 10 | 1 | 1 | 0.0% |
| 13F shares | 68.9M | 66.8M | +3.1% |
| Held by funds | 96.9% | 94.0% | +2.9 pts |
| New positions | 50 | 46 | +8.7% |
| Increased | 108 | 103 | +4.9% |
| Reduced | 101 | 86 | +17.4% |
| Sold out | 23 | 22 | +4.5% |
| Calls (shares) | 0 | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in NTCT
All superinvestors →
Who owns NTCT
share of fund held shares- Index and passive funds56.1%
- Active managers and hedge funds36.0%
- Banks and brokers6.5%
- Pensions, insurers and other1.4%
The top 10 holders own 59.7% of all NTCT shares that funds reported. Groups are our own grouping of filers by name.
Filed so far for Q3 2026
104 funds changed their position- Robeco Institutional Asset Management B.V.Trimmed−197K sh
- Lsv Asset ManagementTrimmed−193K sh
- DekaBank Deutsche GirozentraleNew+95K sh
- Barclays PLCTrimmed−83K sh
- Dimensional Fund Advisors LPAdded+78K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 16.09% | 11.4M | $498M | +47K |
| 2 | Vanguard Portfolio Management LLC | 7.87% | 5.6M | $243M | +62K |
| 3 | Dimensional Fund Advisors LP | 6.09% | 4.3M | $188M | +69K |
| 4 | Legal & General Group Plc | 5.36% | 3.8M | $166M | +176K |
| 5 | State Street Corp | 5.04% | 3.6M | $156M | +302K |
| 6 | Lsv Asset Management | 4.45% | 3.2M | $138M | +416K |
| 7 | Vanguard Capital Management LLC | 4.30% | 3.1M | $133M | +9,696 |
| 8 | Geode Capital Management, LLC | 3.03% | 2.2M | $93.8M | +319K |
| 9 | Robeco Institutional Asset Management B.V. | 2.89% | 2.1M | $89.5M | +45K |
| 10 | First Trust Advisors LP | 2.76% | 2M | $85.5M | +218K |
- Acadian Asset Management LLC+562K sh+$24.5M
- Ameriprise Financial Inc+456K sh+$19.9M
- Lsv Asset Management+416K sh+$18.1M
- Millennium Management LLC+364K sh+$15.8M
- Geode Capital Management, LLC+319K sh+$13.9M
- State Street Corp+302K sh+$13.1M
- First Eagle Investment Management, LLC+297K sh+$12.9M
- Clark Capital Management Group, Inc.+267K sh+$11.6M
- SG Americas Securities, LLC−517K sh−$22.5M
- Barclays PLC−297K sh−$12.9M
- Deutsche Bank Ag\−229K sh−$10M
- Alyeska Investment Group, L.P.−291K sh−$9.2M
- UBS Group AG−196K sh−$8.5M
- AQR Capital Management LLC−140K sh−$6.1M
- Edgestream Partners, L.P.−121K sh−$5.3M
- Connor, Clark & Lunn Investment Management Ltd.−117K sh−$5.1M
NTCT institutional ownership FAQ
Who owns the most NTCT stock?
In Q2 2026 13F filings the largest holder of NTCT was BlackRock, Inc., followed by Vanguard Portfolio Management LLC and Dimensional Fund Advisors LP. Index fund managers are usually the biggest holders of large companies.
What percentage of NTCT is owned by institutions?
Funds that file 13F reports held 96.9% of NTCT's shares at Jun 30, 2026, compared with 94.0% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying NTCT?
In Q2 2026, 158 funds bought NTCT (50 of them new positions) and 124 sold (23 sold out completely). Among well known investors, 2 added and 1 cut. Our fund sentiment for NTCT is strongly bullish.
What is NTCT's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this NTCT ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.