Advanced Drainage Systems, Inc.: which funds bought and sold
Institutions that bought and sold Advanced Drainage 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, 247 institutions that filed 13F reports for both quarters added to or opened positions in Advanced Drainage Systems, and 280 cut or closed them. Together they sold a net 797K shares, −1.2% on what they held at the start of the quarter. Active managers and hedge funds on our list were net sellers of 467K shares (−2.8%); index fund managers were net buyers of 341K shares (+1.7%). 50 opened a new position and 75 sold out entirely.
Bought, Q2 2026 247 institutions, 50 of them new holders Sold, Q2 2026 280 institutions, 75 of them sold out
Net change, all compared −797K shares (−1.2%)
Net change, active managers −467K shares (−2.8%), 29 bought, 43 sold
Buyers versus sellers
247 bought 81 280 sold
Active managers and hedge funds 29 bought · 43 sold · −467K
Index fund managers 6 bought · 5 sold · +341K
Other institutions 212 bought · 232 sold · −671K
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| First Trust Advisors LP | +617K +30.2% | 2.7M | $418M |
| BAMCO Inc Active manager | +389K +133.7% | 680K | $107M |
| Balyasny Asset Management L.P. Hedge fund | +340K +11081.1% | 343K | $53.8M |
| Marshall Wace, LLP Hedge fund | +308K +4434.4% | 315K | $49.4M |
| Qube Research & Technologies Ltd Hedge fund | +293K +53.7% | 840K | $132M |
| Swedbank AB | +246K +148.9% | 411K | $64.5M |
| Thrivent Financial For Lutherans | +222K +108.7% | 426K | $66.8M |
| State Street Corp Index funds | +204K +8.2% | 2.7M | $423M |
| Goldman Sachs Group Inc | +190K +42.0% | 641K | $101M |
| Ameriprise Financial Inc | +170K +47.2% | 528K | $83M |
| Fil Ltd Active manager | +158K +252.5% | 221K | $34.7M |
| Clearbridge Investments, LLC Active manager | +155K +1332.5% | 166K | $26.1M |
| Susquehanna Fundamental Investments, LLC | +118K New position | 118K | $18.6M |
| Silvercrest Asset Management Group LLC | +116K +3865.6% | 119K | $18.7M |
| Hill City Capital, LP Hedge fund | +110K +29.7% | 480K | $75.3M |
| Baird Financial Group, Inc. | +109K +560.7% | 128K | $20.1M |
| Scopus Asset Management, L.P. Hedge fund | +108K +186.8% | 166K | $26.1M |
| Arrowstreet Capital, Limited Partnership Hedge fund | +102K +82.6% | 226K | $35.4M |
| Janney Montgomery Scott LLC | +91K +121.3% | 166K | $26M |
| Vanguard Portfolio Management LLC Index funds | +90K +2.5% | 3.7M | $582M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| BAMCO Inc Active manager | +389K +133.7% | 680K | $107M |
| Balyasny Asset Management L.P. Hedge fund | +340K +11081.1% | 343K | $53.8M |
| Marshall Wace, LLP Hedge fund | +308K +4434.4% | 315K | $49.4M |
| Qube Research & Technologies Ltd Hedge fund | +293K +53.7% | 840K | $132M |
| Fil Ltd Active manager | +158K +252.5% | 221K | $34.7M |
| Clearbridge Investments, LLC Active manager | +155K +1332.5% | 166K | $26.1M |
| Hill City Capital, LP Hedge fund | +110K +29.7% | 480K | $75.3M |
| Scopus Asset Management, L.P. Hedge fund | +108K +186.8% | 166K | $26.1M |
| Arrowstreet Capital, Limited Partnership Hedge fund | +102K +82.6% | 226K | $35.4M |
| Trexquant Investment LP Hedge fund | +78K +670.3% | 90K | $14.1M |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Pictet Asset Management Holding SA | −1.1M −48.8% | 1.1M | $177M |
| William Blair Investment Management, LLC Active manager | −656K Sold out | 0 | — |
| Adage Capital Partners Gp, L.L.C. Hedge fund | −400K −72.7% | 150K | $23.5M |
| Alyeska Investment Group, L.P. Hedge fund | −259K Sold out | 0 | — |
| Wellington Management Group LLP Active manager | −223K −20.9% | 840K | $132M |
| Mediolanum International Funds Ltd | −213K Sold out | 0 | — |
| Baillie Gifford & Co Active manager | −212K −10.4% | 1.8M | $288M |
| Westwood Holdings Group Inc Active manager | −185K −33.5% | 368K | $57.7M |
| Invesco Ltd. | −147K −14.9% | 836K | $131M |
| Rathbones Group PLC | −130K −49.6% | 132K | $20.7M |
| Gotham Asset Management, LLC Hedge fund | −112K −37.9% | 183K | $28.7M |
| Distillate Capital Partners LLC | −107K Sold out | 0 | — |
| Driehaus Capital Management LLC Active manager | −106K Sold out | 0 | — |
| UBS Am, A Distinct Business Unit Of UBS Asset Management Americas LLC | −104K −4.2% | 2.3M | $368M |
| Bank Of America Corp | −99K −22.6% | 340K | $53.4M |
| Van Lanschot Kempen Investment Management N.V. | −98K −33.2% | 197K | $30.9M |
| Jane Street Group, LLC | −93K −95.1% | 4,789 | $751,681 |
| Millennium Management LLC Hedge fund | −91K −40.5% | 133K | $20.9M |
| Peregrine Capital Management LLC | −83K Sold out | 0 | — |
| Canada Pension Plan Investment Board | −82K Sold out | 0 | — |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| William Blair Investment Management, LLC Active manager | −656K Sold out | 0 | — |
| Adage Capital Partners Gp, L.L.C. Hedge fund | −400K −72.7% | 150K | $23.5M |
| Alyeska Investment Group, L.P. Hedge fund | −259K Sold out | 0 | — |
| Wellington Management Group LLP Active manager | −223K −20.9% | 840K | $132M |
| Baillie Gifford & Co Active manager | −212K −10.4% | 1.8M | $288M |
| Westwood Holdings Group Inc Active manager | −185K −33.5% | 368K | $57.7M |
| Gotham Asset Management, LLC Hedge fund | −112K −37.9% | 183K | $28.7M |
| Driehaus Capital Management LLC Active manager | −106K Sold out | 0 | — |
| Millennium Management LLC Hedge fund | −91K −40.5% | 133K | $20.9M |
| Impactive Capital LP Hedge fund | −74K −8.6% | 783K | $123M |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Susquehanna Fundamental Investments, LLC | 118K | $18.6M |
| Hite Hedge Asset Management LLC | 60K | $9.5M |
| Lighthouse Investment Partners, LLCHedge fund | 26K | $4.1M |
| Abn Amro Investment Solutions | 14K | $2.2M |
| Aventail Capital Group, LP | 13K | $2.1M |
| Cannon Advisors, Inc. | 13K | $1.9M |
| Entropy Technologies, LP | 9,652 | $1.5M |
| Kestra Advisory Services, LLC | 9,559 | $1.5M |
| Novem Group | 6,987 | $1.1M |
| Empowered Funds, LLC | 6,520 | $1M |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| William Blair Investment Management, LLCActive manager | 656K | $89.9M |
| Alyeska Investment Group, L.P.Hedge fund | 259K | $35.4M |
| Mediolanum International Funds Ltd | 213K | $28M |
| Distillate Capital Partners LLC | 107K | $14.6M |
| Driehaus Capital Management LLCActive manager | 106K | $14.5M |
| Peregrine Capital Management LLC | 83K | $11.3M |
| Canada Pension Plan Investment Board | 82K | $11.2M |
| Archon Partners LLC | 59K | $8.1M |
| Exoduspoint Capital Management, LPHedge fund | 56K | $7.6M |
| Segall Bryant & Hamill, LLCActive manager | 54K | $7.5M |
Who holds the shares
- Institutions reporting
- 543
- Ten largest holders
- 41.7% of 13F-reported shares
- Index fund managers
- 29.6% of 13F-reported shares
- Active managers and hedge funds
- 22.9% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 29 | 43 | 1 | 13 | −467K | −2.8% |
| Index fund managers | 6 | 5 | 0 | 0 | +341K | +1.7% |
| Other institutions | 212 | 232 | 49 | 62 | −671K | −2.1% |
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