American Superconductor Corp: which funds bought and sold
Institutions that bought and sold American Superconductor 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, 170 institutions that filed 13F reports for both quarters added to or opened positions in American Superconductor, and 107 cut or closed them. Together they added a net 2.3M shares, +6.9% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 45K shares (+0.6%); index fund managers were net buyers of 55K shares (+0.5%). 63 opened a new position and 30 sold out entirely.
Bought, Q2 2026 170 institutions, 63 of them new holders Sold, Q2 2026 107 institutions, 30 of them sold out
Net change, all compared +2.3M shares (+6.9%)
Net change, active managers +45K shares (+0.6%), 16 bought, 24 sold
Buyers versus sellers
170 bought 25 107 sold
Active managers and hedge funds 16 bought · 24 sold · +45K
Index fund managers 7 bought · 3 sold · +55K
Other institutions 147 bought · 80 sold · +2.2M
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| UBS Group AG | +829K +138.3% | 1.4M | $59.3M |
| Goldman Sachs Group Inc | +585K +82.4% | 1.3M | $53.7M |
| Barrow Hanley Mewhinney & Strauss LLC Active manager | +564K +49.5% | 1.7M | $70.7M |
| Ranger Investment Management, L.P. Active manager | +405K New position | 405K | $16.8M |
| First Trust Advisors LP | +390K +50.1% | 1.2M | $48.5M |
| T. Rowe Price Investment Management, Inc. Active manager | +306K New position | 306K | $12.7M |
| HRT Financial LP | +298K New position | 298K | $12.4M |
| Price T Rowe Associates Inc Active manager | +285K +486.7% | 344K | $14.3M |
| Legal & General Group PLC | +227K +42.8% | 757K | $31.4M |
| Susquehanna International Group, LLP | +173K +280.6% | 235K | $9.8M |
| Jane Street Group, LLC | +170K New position | 170K | $7.1M |
| Awm Investment Company, Inc. | +150K +18.7% | 952K | $39.5M |
| Oberweis Asset Management Inc/ Active manager | +138K +16.2% | 988K | $41M |
| Russell Investments Group, Ltd. | +134K +359.7% | 172K | $7.1M |
| Panagora Asset Management Inc Active manager | +119K +46.5% | 376K | $15.6M |
| Blackrock, Inc. Index funds | +113K +2.8% | 4.1M | $170M |
| Emerald Mutual Fund Advisers Trust | +100K +22.8% | 539K | $22.4M |
| Silvercrest Asset Management Group LLC | +100K New position | 100K | $4.2M |
| State Street Corp Index funds | +97K +7.7% | 1.4M | $56.4M |
| Stephens Investment Management Group LLC | +94K +30.5% | 403K | $16.7M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Barrow Hanley Mewhinney & Strauss LLC Active manager | +564K +49.5% | 1.7M | $70.7M |
| Ranger Investment Management, L.P. Active manager | +405K New position | 405K | $16.8M |
| T. Rowe Price Investment Management, Inc. Active manager | +306K New position | 306K | $12.7M |
| Price T Rowe Associates Inc Active manager | +285K +486.7% | 344K | $14.3M |
| Oberweis Asset Management Inc/ Active manager | +138K +16.2% | 988K | $41M |
| Panagora Asset Management Inc Active manager | +119K +46.5% | 376K | $15.6M |
| Wellington Management Group LLP Active manager | +85K New position | 85K | $3.5M |
| Holocene Advisors, LP Hedge fund | +84K +689.2% | 96K | $4M |
| Marshall Wace, LLP Hedge fund | +53K New position | 53K | $2.2M |
| Royce & Associates LP Active manager | +13K +2.4% | 556K | $23.1M |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Baillie Gifford & Co Active manager | −514K −35.5% | 933K | $38.7M |
| Hood River Capital Management LLC | −399K Sold out | 0 | — |
| Nuveen, LLC | −393K −38.4% | 628K | $26.1M |
| Nomura Asset Management International Inc. | −379K Sold out | 0 | — |
| Vanguard Portfolio Management LLC Index funds | −293K −17.1% | 1.4M | $58.9M |
| Portolan Capital Management, LLC | −266K −90.1% | 29K | $1.2M |
| Arrowstreet Capital, Limited Partnership Hedge fund | −216K −48.3% | 231K | $9.6M |
| D. E. Shaw & Co., Inc. Hedge fund | −201K −35.4% | 367K | $15.2M |
| Citadel Advisors LLC Hedge fund | −196K −90.5% | 21K | $852,117 |
| Sei Investments Co | −139K −62.0% | 85K | $3.5M |
| FMR LLC Active manager | −137K −93.0% | 10K | $429,788 |
| Algert Global LLC Hedge fund | −136K −27.8% | 354K | $14.7M |
| Bank Of America Corp | −103K −49.3% | 106K | $4.4M |
| Axiom Investors LLC Active manager | −101K Sold out | 0 | — |
| Qube Research & Technologies Ltd Hedge fund | −79K −23.9% | 251K | $10.4M |
| Two Sigma Investments, LP Hedge fund | −79K −46.5% | 90K | $3.8M |
| Maxi Investments Cy Ltd | −76K Sold out | 0 | — |
| Balyasny Asset Management L.P. Hedge fund | −75K −52.2% | 69K | $2.9M |
| BNP Paribas Financial Markets | −70K −16.1% | 366K | $15.2M |
| Kennedy Capital Management LLC Active manager | −66K Sold out | 0 | — |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Baillie Gifford & Co Active manager | −514K −35.5% | 933K | $38.7M |
| Arrowstreet Capital, Limited Partnership Hedge fund | −216K −48.3% | 231K | $9.6M |
| D. E. Shaw & Co., Inc. Hedge fund | −201K −35.4% | 367K | $15.2M |
| Citadel Advisors LLC Hedge fund | −196K −90.5% | 21K | $852,117 |
| FMR LLC Active manager | −137K −93.0% | 10K | $429,788 |
| Algert Global LLC Hedge fund | −136K −27.8% | 354K | $14.7M |
| Axiom Investors LLC Active manager | −101K Sold out | 0 | — |
| Qube Research & Technologies Ltd Hedge fund | −79K −23.9% | 251K | $10.4M |
| Two Sigma Investments, LP Hedge fund | −79K −46.5% | 90K | $3.8M |
| Balyasny Asset Management L.P. Hedge fund | −75K −52.2% | 69K | $2.9M |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Ranger Investment Management, L.P.Active manager | 405K | $16.8M |
| T. Rowe Price Investment Management, Inc.Active manager | 306K | $12.7M |
| HRT Financial LP | 298K | $12.4M |
| Jane Street Group, LLC | 170K | $7.1M |
| Silvercrest Asset Management Group LLC | 100K | $4.2M |
| Wellington Management Group LLPActive manager | 85K | $3.5M |
| Brown Capital Management LLC | 68K | $2.8M |
| Marshall Wace, LLPHedge fund | 53K | $2.2M |
| Covestor Ltd | 41K | $1.7M |
| Polymer Capital Management (US) LLC | 35K | $1.4M |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Hood River Capital Management LLC | 399K | $13.5M |
| Nomura Asset Management International Inc. | 379K | $12.8M |
| Axiom Investors LLCActive manager | 101K | $3.4M |
| Maxi Investments Cy Ltd | 76K | $2.6M |
| Kennedy Capital Management LLCActive manager | 66K | $2.2M |
| Boston PartnersActive manager | 66K | $2.2M |
| Janney Montgomery Scott LLC | 57K | $1.9M |
| Lazard Asset Management LLCActive manager | 56K | $1.9M |
| SG Americas Securities, LLC | 35K | $1.2M |
| Virginia Retirement Systems Et Al | 19K | $636,380 |
Who holds the shares
- Institutions reporting
- 278
- Ten largest holders
- 47.2% of 13F-reported shares
- Index fund managers
- 32.2% of 13F-reported shares
- Active managers and hedge funds
- 21.7% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 16 | 24 | 7 | 10 | +45K | +0.6% |
| Index fund managers | 7 | 3 | 0 | 0 | +55K | +0.5% |
| Other institutions | 147 | 80 | 56 | 20 | +2.2M | +15.5% |
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