Who Holds American Superconductor Corp /de/ (AMSC)? 278 Institutional Holders, Q2 2026
Managers with more than $100 million in US equities report their holdings on Form 13F within 45 days of each quarter end. Quarter ended 30 Jun 2026: 278 holders, $1.4 billion in total.
Largest holders
The 100 largest by value. Change in shares against Q1 2026.
| Manager | Shares | Value | Change | |
|---|---|---|---|---|
| BlackRock, Inc. | 4,095,371 | $170 million | +3% | 13F |
| VANGUARD CAPITAL MANAGEMENT LLC | 2,034,219 | $84 million | 0% | 13F |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC | 1,704,006 | $71 million | +50% | 13F |
| UBS Group AG | 1,429,090 | $59 million | +138% | 13F |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1,418,863 | $59 million | -17% | 13F |
| STATE STREET CORP | 1,358,225 | $56 million | +8% | 13F |
| GOLDMAN SACHS GROUP INC | 1,294,047 | $54 million | +82% | 13F |
| GEODE CAPITAL MANAGEMENT, LLC | 1,243,198 | $52 million | +6% | 13F |
| FIRST TRUST ADVISORS LP | 1,168,424 | $49 million | +50% | 13F |
| OBERWEIS ASSET MANAGEMENT INC/ | 987,500 | $41 million | +16% | 13F |
| AWM Investment Company, Inc. | 951,604 | $40 million | +19% | 13F |
| BAILLIE GIFFORD & CO | 933,308 | $39 million | -36% | 13F |
| EMERALD ADVISERS, LLC | 843,956 | $35 million | +11% | 13F |
| Legal & General Group Plc | 756,863 | $31 million | +43% | 13F |
| DIMENSIONAL FUND ADVISORS LP | 645,991 | $27 million | -2% | 13F |
| MORGAN STANLEY | 635,833 | $26 million | +0% | 13F |
| Nuveen, LLC | 628,406 | $26 million | -38% | 13F |
| Telemark Asset Management, LLC | 600,000 | $25 million | +0% | 13F |
| ROYCE & ASSOCIATES LP | 555,821 | $23 million | +2% | 13F |
| EMERALD MUTUAL FUND ADVISERS TRUST | 538,955 | $22 million | +23% | 13F |
| NORTHERN TRUST CORP | 433,792 | $18 million | +10% | 13F |
| Ranger Investment Management, L.P. | 405,266 | $17 million | New | 13F |
| Stephens Investment Management Group LLC | 402,762 | $17 million | +31% | 13F |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 399,125 | $17 million | +4% | 13F |
| PANAGORA ASSET MANAGEMENT INC | 375,515 | $16 million | +46% | 13F |
| D. E. Shaw & Co., Inc. | 366,845 | $15 million | -35% | 13F |
| BNP PARIBAS FINANCIAL MARKETS | 366,437 | $15 million | -16% | 13F |
| ALGERT GLOBAL LLC | 353,832 | $15 million | -28% | 13F |
| VANGUARD FIDUCIARY TRUST CO | 337,929 | $14 million | +4% | 13F |
| Qube Research & Technologies Ltd | 250,573 | $10 million | -24% | 13F |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 235,235 | $10 million | +281% | 13F |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 230,903 | $10 million | -48% | 13F |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 221,933 | $9 million | -2% | 13F |
| AQR CAPITAL MANAGEMENT LLC | 194,477 | $8 million | +5% | 13F |
| Invesco Ltd. | 180,660 | $7 million | -25% | 13F |
| Russell Investments Group, Ltd. | 171,764 | $7 million | +360% | 13F |
| JANE STREET GROUP, LLC | 170,319 | $7 million | New | 13F |
| MACKENZIE FINANCIAL CORP | 164,450 | $7 million | +112% | 13F |
| ArrowMark Colorado Holdings LLC | 159,432 | $7 million | +18% | 13F |
| Baird Financial Group, Inc. | 157,203 | $7 million | -4% | 13F |
| Palisades Investment Partners, LLC | 156,720 | $7 million | +3% | 13F |
| JPMORGAN CHASE & CO | 149,502 | $6 million | +9% | 13F |
| Bank of New York Mellon Corp | 143,968 | $6 million | +7% | 13F |
| Allspring Global Investments Holdings, LLC | 130,622 | $5 million | -13% | 13F |
| RAYMOND JAMES FINANCIAL INC | 118,801 | $5 million | -4% | 13F |
| AMERIPRISE FINANCIAL INC | 111,856 | $5 million | +79% | 13F |
| GMT Capital Corp | 108,066 | $4 million | +0% | 13F |
| BANK OF AMERICA CORP /DE/ | 106,216 | $4 million | -49% | 13F |
| Tidal Investments LLC | 101,341 | $4 million | +134% | 13F |
| MILLENNIUM MANAGEMENT LLC | 100,762 | $4 million | -1% | 13F |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 100,026 | $4 million | New | 13F |
| Holocene Advisors, LP | 95,716 | $4 million | +689% | 13F |
| Defiance ETFs, LLC | 99,395 | $4 million | +135% | 13F |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 91,267 | $4 million | +3% | 13F |
| TWO SIGMA INVESTMENTS, LP | 90,340 | $4 million | -47% | 13F |
| Swiss National Bank | 88,600 | $4 million | -1% | 13F |
| ALPS ADVISORS INC | 86,387 | $4 million | 0% | 13F |
| WELLINGTON MANAGEMENT GROUP LLP | 85,244 | $4 million | New | 13F |
| SEI INVESTMENTS CO | 85,215 | $4 million | -62% | 13F |
| WELLS FARGO & COMPANY/MN | 83,306 | $3 million | +43% | 13F |
| RICE HALL JAMES & ASSOCIATES, LLC | 78,620 | $3 million | +67% | 13F |
| Lumbard & Kellner, LLC | 74,139 | $3 million | +1% | 13F |
| NEW YORK STATE COMMON RETIREMENT FUND | 72,900 | $3 million | +4% | 13F |
| Balyasny Asset Management L.P. | 68,847 | $3 million | -52% | 13F |
| BROWN CAPITAL MANAGEMENT LLC | 68,156 | $3 million | New | 13F |
| CAMPBELL NEWMAN ASSET MANAGEMENT INC | 67,337 | $3 million | +5% | 13F |
| RHUMBLINE ADVISERS | 63,572 | $3 million | +7% | 13F |
| Amundi | 63,251 | $3 million | +9% | 13F |
| LPL Financial LLC | 57,385 | $2 million | -34% | 13F |
| MARSHALL WACE, LLP | 53,261 | $2 million | New | 13F |
| DEUTSCHE BANK AG\ | 51,992 | $2 million | +21% | 13F |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 50,888 | $2 million | -11% | 13F |
| Hennion & Walsh Asset Management, Inc. | 46,020 | $2 million | +38% | 13F |
| ALLIANCEBERNSTEIN L.P. | 54,720 | $2 million | +23% | 13F |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 42,728 | $2 million | +10% | 13F |
| Legato Capital Management LLC | 41,369 | $2 million | +3% | 13F |
| NISSAY ASSET MANAGEMENT CORP /JAPAN | 37,914 | $2 million | +49% | 13F |
| Quadrature Capital Ltd | 37,682 | $2 million | -4% | 13F |
| ROYAL BANK OF CANADA | 35,656 | $1 million | +14% | 13F |
| Merit Financial Group, LLC | 35,471 | $1 million | -4% | 13F |
| Polymer Capital Management (US) LLC | 34,521 | $1 million | New | 13F |
| Quantum Private Wealth, LLC | 33,823 | $1 million | +8% | 13F |
| Focus Partners Wealth | 33,671 | $1 million | +1% | 13F |
| FRANKLIN RESOURCES INC | 33,360 | $1 million | +13% | 13F |
| TRUIST FINANCIAL CORP | 32,700 | $1 million | +0% | 13F |
| CITIGROUP INC | 32,598 | $1 million | +567% | 13F |
| VANGUARD ASSET MANAGEMENT, Ltd | 32,589 | $1 million | +11% | 13F |
| Mitsubishi UFJ Asset Management Co., Ltd. | 32,145 | $1 million | +149% | 13F |
| Aquatic Capital Management LLC | 32,081 | $1 million | New | 13F |
| KORNITZER CAPITAL MANAGEMENT INC /KS | 31,669 | $1 million | -9% | 13F |
| XTX Topco Ltd | 30,848 | $1 million | New | 13F |
| OPPENHEIMER & CO INC | 30,060 | $1 million | +19% | 13F |
| Portolan Capital Management, LLC | 29,314 | $1 million | -90% | 13F |
| VIRTUS ADVISERS, LLC | 28,501 | $1 million | +4% | 13F |
| HighTower Advisors, LLC | 28,498 | $1 million | -34% | 13F |
| MetLife Investment Management, LLC | 27,526 | $1 million | +7% | 13F |
| Round Rock Advisors LLC | 26,431 | $1 million | +30% | 13F |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 24,343 | $1 million | +9% | 13F |
| DIVERSIFIED TRUST CO | 23,878 | $991,175 | +71% | 13F |
| State of New Jersey Common Pension Fund D | 21,666 | $899,356 | New | 13F |
Questions and answers
- How many institutions hold American Superconductor Corp /de/?
- 278 managers reported American Superconductor Corp /de/ on Form 13F for the quarter ended 30 June 2026, against 244 the quarter before.
- Who is the largest institutional holder of American Superconductor Corp /de/?
- BlackRock, Inc., with 4,095,371 shares worth $170 million on its 13F for Q2 2026.
- How many institutions bought or sold out of American Superconductor Corp /de/ in Q2 2026?
- 68 managers reported a new position and 34 reported none after holding it the quarter before.
Source: SEC EDGAR, Form 13F (public domain). Counts and values as filed. Cite this page: Tamarly Intelligence, "Who holds American Superconductor Corp /de/, Q2 2026", https://app.tamarly.ai/holders/american-superconductor-de, built from SEC EDGAR.
Research from public records, not investment advice. Tamarly holds no investment positions. By reading these pages you accept the Terms of Use; figures can be late or wrong, so check the linked source before relying on one. Terms and policies.