Netscout Systems Inc: which funds bought and sold
Institutions that bought and sold Netscout Systems shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.
Between March 31, 2026 and June 30, 2026, 155 institutions that filed 13F reports for both quarters added to or opened positions in Netscout Systems, and 124 cut or closed them. Together they added a net 2.1M shares, +3.1% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 1.7M shares (+15.9%); index fund managers were net buyers of 718K shares (+2.6%). 48 opened a new position and 23 sold out entirely.
Bought, Q2 2026 155 institutions, 48 of them new holders Sold, Q2 2026 124 institutions, 23 of them sold out
Net change, all compared +2.1M shares (+3.1%)
Net change, active managers +1.7M shares (+15.9%), 24 bought, 24 sold
Buyers versus sellers
155 bought 50 124 sold
Active managers and hedge funds 24 bought · 24 sold · +1.7M
Index fund managers 7 bought · 3 sold · +718K
Other institutions 124 bought · 97 sold · −411K
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Acadian Asset Management LLC Active manager | +562K +272.4% | 768K | $33.4M |
| Ameriprise Financial Inc | +456K +83.2% | 1.0M | $43.8M |
| LSV Asset Management Active manager | +416K +15.2% | 3.2M | $138M |
| Millennium Management LLC Hedge fund | +364K +526.1% | 433K | $18.8M |
| Geode Capital Management, LLC Index funds | +319K +17.4% | 2.2M | $93.8M |
| State Street Corp Index funds | +302K +9.2% | 3.6M | $156M |
| First Eagle Investment Management, LLC Active manager | +297K +148.4% | 497K | $21.6M |
| Clark Capital Management Group, Inc. | +267K New position | 267K | $11.6M |
| FMR LLC Active manager | +267K +82.6% | 591K | $25.7M |
| Qube Research & Technologies Ltd Hedge fund | +239K +80.6% | 535K | $23.3M |
| First Trust Advisors LP | +218K +12.5% | 2.0M | $85.5M |
| Citadel Advisors LLC Hedge fund | +193K +299.0% | 258K | $11.2M |
| Wellington Management Group LLP Active manager | +181K +16.8% | 1.3M | $54.8M |
| Legal & General Group PLC | +176K +4.8% | 3.8M | $166M |
| Riverwater Partners LLC | +89K +210.0% | 131K | $5.7M |
| Russell Investments Group, Ltd. | +81K +48.6% | 247K | $10.7M |
| Sei Investments Co | +75K +33.5% | 301K | $13.1M |
| Dimensional Fund Advisors LP | +69K +1.6% | 4.3M | $188M |
| Allianz Asset Management Gmbh | +68K +5.7% | 1.3M | $54.6M |
| Vanguard Portfolio Management LLC Index funds | +62K +1.1% | 5.6M | $243M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Acadian Asset Management LLC Active manager | +562K +272.4% | 768K | $33.4M |
| LSV Asset Management Active manager | +416K +15.2% | 3.2M | $138M |
| Millennium Management LLC Hedge fund | +364K +526.1% | 433K | $18.8M |
| First Eagle Investment Management, LLC Active manager | +297K +148.4% | 497K | $21.6M |
| FMR LLC Active manager | +267K +82.6% | 591K | $25.7M |
| Qube Research & Technologies Ltd Hedge fund | +239K +80.6% | 535K | $23.3M |
| Citadel Advisors LLC Hedge fund | +193K +299.0% | 258K | $11.2M |
| Wellington Management Group LLP Active manager | +181K +16.8% | 1.3M | $54.8M |
| O'Shaughnessy Asset Management, LLC Active manager | +59K +117.3% | 109K | $4.8M |
| Algert Global LLC Hedge fund | +40K +44.1% | 131K | $5.7M |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| SG Americas Securities, LLC | −517K −81.2% | 120K | $5.2M |
| Barclays PLC | −297K −52.9% | 264K | $11.5M |
| Alyeska Investment Group, L.P. Hedge fund | −291K Sold out | 0 | — |
| Deutsche Bank Ag\ | −229K −56.3% | 178K | $7.7M |
| UBS Group AG | −196K −68.6% | 89K | $3.9M |
| AQR Capital Management LLC Hedge fund | −140K −11.7% | 1.1M | $45.8M |
| Edgestream Partners, L.P. Hedge fund | −121K −70.5% | 51K | $2.2M |
| Jane Street Group, LLC | −118K Sold out | 0 | — |
| Connor, Clark & Lunn Investment Management Ltd. | −117K −36.3% | 205K | $8.9M |
| Pacer Advisors, Inc. | −114K −30.2% | 264K | $11.5M |
| Invesco Ltd. | −114K −25.2% | 339K | $14.8M |
| Marshall Wace, LLP Hedge fund | −93K Sold out | 0 | — |
| Clark Estates Inc | −89K Sold out | 0 | — |
| Bridgewater Associates, LP Hedge fund | −87K −46.7% | 100K | $4.3M |
| SEB Asset Management AB | −79K −17.8% | 366K | $15.9M |
| Goldman Sachs Group Inc | −71K −17.7% | 329K | $14.3M |
| Susquehanna International Group, LLP | −65K −92.4% | 5,387 | $234,604 |
| Squarepoint Ops LLC Hedge fund | −65K Sold out | 0 | — |
| D. E. Shaw & Co., Inc. Hedge fund | −64K −61.7% | 40K | $1.7M |
| Mackenzie Financial Corp | −62K −54.4% | 52K | $2.3M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Alyeska Investment Group, L.P. Hedge fund | −291K Sold out | 0 | — |
| AQR Capital Management LLC Hedge fund | −140K −11.7% | 1.1M | $45.8M |
| Edgestream Partners, L.P. Hedge fund | −121K −70.5% | 51K | $2.2M |
| Marshall Wace, LLP Hedge fund | −93K Sold out | 0 | — |
| Bridgewater Associates, LP Hedge fund | −87K −46.7% | 100K | $4.3M |
| Squarepoint Ops LLC Hedge fund | −65K Sold out | 0 | — |
| D. E. Shaw & Co., Inc. Hedge fund | −64K −61.7% | 40K | $1.7M |
| Victory Capital Management Inc Active manager | −61K −14.0% | 375K | $16.3M |
| Caxton Associates LLP Hedge fund | −31K −66.5% | 15K | $670,278 |
| Bridgeway Capital Management, LLC Active manager | −21K −3.2% | 613K | $26.7M |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Clark Capital Management Group, Inc. | 267K | $11.6M |
| Tudor Investment Corp Et AlHedge fund | 39K | $1.7M |
| Brevan Howard Capital Management LPHedge fund | 36K | $1.6M |
| Jackson Creek Investment Advisors LLC | 35K | $1.4M |
| Mcadam, LLC | 26K | $1.1M |
| State Of New Jersey Common Pension Fund D | 22K | $966,113 |
| Massar Capital Management, LP | 17K | $731,814 |
| Magnetar Financial LLCHedge fund | 16K | $712,130 |
| Hennion & Walsh Asset Management, Inc. | 14K | $607,653 |
| Mirae Asset Global Investments Co., Ltd. | 13K | $564,974 |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Alyeska Investment Group, L.P.Hedge fund | 291K | $9.2M |
| Jane Street Group, LLC | 118K | $3.8M |
| Marshall Wace, LLPHedge fund | 93K | $3M |
| Clark Estates Inc | 89K | $2.8M |
| Squarepoint Ops LLCHedge fund | 65K | $2.1M |
| Nomura Holdings Inc | 34K | $1.1M |
| Bailard, Inc. | 23K | $737,528 |
| Man Group PLCHedge fund | 16K | $517,382 |
| Headlands Technologies LLC | 11K | $347,401 |
| Holocene Advisors, LPHedge fund | 9,810 | $311,860 |
Who holds the shares
- Institutions reporting
- 313
- Ten largest holders
- 59.8% of 13F-reported shares
- Index fund managers
- 41.0% of 13F-reported shares
- Active managers and hedge funds
- 18.5% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 24 | 24 | 4 | 6 | +1.7M | +15.9% |
| Index fund managers | 7 | 3 | 0 | 0 | +718K | +2.6% |
| Other institutions | 124 | 97 | 44 | 17 | −411K | −1.5% |