American Superconductor Corporation Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| BLACKROCK, INC. | 11/12/2025 | 3.63 M | $215.54 M | 6.12% | 9.34% |
| VANGUARD GROUP INC | 11/07/2025 | 2.95 M | $175.19 M | 20.55% | 7.59% |
| BAILLIE GIFFORD & CO | 10/31/2025 | 1.43 M | $84.77 M | -1.74% | 3.67% |
| DRIEHAUS CAPITAL MANAGEMENT LLC | 11/14/2025 | 1.22 M | $72.39 M | 45.14% | 3.14% |
| GOLDMAN SACHS GROUP INC | 11/14/2025 | 1.17 M | $69.73 M | 14.10% | 3.02% |
| STATE STREET CORP | 11/14/2025 | 1.14 M | $67.46 M | 11.34% | 2.92% |
| GEODE CAPITAL MANAGEMENT, LLC | 11/12/2025 | 1.07 M | $63.55 M | 13.80% | 2.75% |
| NUVEEN, LLC | 11/12/2025 | 826.15 K | $49.07 M | -17.21% | 2.13% |
| FULLER & THALER ASSET MANAGEMENT, INC. | 11/13/2025 | 809.95 K | $48.10 M | 100.00% | 2.08% |
| ATREIDES MANAGEMENT, LP | 11/14/2025 | 771.50 K | $45.82 M | -30.15% | 1.98% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 11/13/2025 | 760.46 K | $45.16 M | 221.69% | 1.96% |
| D. E. SHAW & CO., INC. | 11/14/2025 | 752.70 K | $44.70 M | 463.22% | 1.94% |
| AWM INVESTMENT COMPANY, INC. | 11/13/2025 | 745.47 K | $44.27 M | -52.17% | 1.92% |
| TELEMARK ASSET MANAGEMENT, LLC | 11/10/2025 | 690.00 K | $40.98 M | 0.00% | 1.77% |
| OBERWEIS ASSET MANAGEMENT INC/ | 11/17/2025 | 665.70 K | $39.54 M | -0.37% | 1.71% |
| EMERALD ADVISERS, LLC | 10/30/2025 | 521.18 K | $30.95 M | 4.23% | 1.34% |
| DIMENSIONAL FUND ADVISORS LP | 11/12/2025 | 471.48 K | $28.01 M | -1.93% | 1.21% |
| MACQUARIE GROUP LTD | 11/13/2025 | 465.22 K | $27.63 M | -43.42% | 1.20% |
| FIRST TRUST ADVISORS LP | 11/12/2025 | 458.39 K | $27.22 M | 35.79% | 1.18% |
| WELLINGTON MANAGEMENT GROUP LLP | 11/14/2025 | 399.25 K | $23.71 M | -7.49% | 1.03% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 11/14/2025 | 396.33 K | $23.54 M | 1,322.94% | 1.02% |
| NORTHERN TRUST CORP | 11/14/2025 | 392.27 K | $23.30 M | 14.85% | 1.01% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 11/10/2025 | 388.23 K | $23.06 M | 20.21% | 1.00% |
| ROYCE & ASSOCIATES LP | 11/12/2025 | 357.58 K | $21.24 M | -55.95% | 0.92% |
| MORGAN STANLEY | 11/14/2025 | 335.77 K | $19.94 M | -41.13% | 0.86% |
| RENAISSANCE TECHNOLOGIES LLC | 11/13/2025 | 323.99 K | $19.24 M | 100.00% | 0.83% |
| EMERALD MUTUAL FUND ADVISERS TRUST | 10/30/2025 | 307.74 K | $18.28 M | 43.86% | 0.79% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 11/14/2025 | 299.60 K | $17.79 M | -42.99% | 0.77% |
| ALGERT GLOBAL LLC | 11/14/2025 | 287.88 K | $17.10 M | 39.95% | 0.74% |
| INVESCO LTD. | 11/13/2025 | 285.41 K | $16.95 M | 79.17% | 0.73% |
| AXIOM INVESTORS LLC /DE | 11/14/2025 | 264.66 K | $15.72 M | 100.00% | 0.68% |
| LEGAL & GENERAL GROUP PLC | 11/13/2025 | 259.56 K | $15.42 M | -37.76% | 0.67% |
| QUBE RESEARCH & TECHNOLOGIES LTD | 11/14/2025 | 257.60 K | $15.30 M | 97.97% | 0.66% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 11/06/2025 | 245.58 K | $14.59 M | -29.03% | 0.63% |
| WELLS FARGO & COMPANY/MN | 11/13/2025 | 217.83 K | $12.94 M | -1.35% | 0.56% |
| CITADEL ADVISORS LLC | 11/14/2025 | 217.60 K | $12.92 M | 12.05% | 0.56% |
| PANAGORA ASSET MANAGEMENT INC | 11/13/2025 | 202.59 K | $12.03 M | 17.80% | 0.52% |
| ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC | 10/20/2025 | 199.57 K | $11.81 M | -27.00% | 0.51% |
| BANK OF AMERICA CORP /DE/ | 11/14/2025 | 198.03 K | $11.76 M | 17.08% | 0.51% |
| UBS GROUP AG | 11/13/2025 | 193.73 K | $11.51 M | -2.35% | 0.50% |
| TUDOR INVESTMENT CORP ET AL | 11/14/2025 | 175.04 K | $10.40 M | -32.71% | 0.45% |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | 11/14/2025 | 171.61 K | $10.19 M | 100.00% | 0.44% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 11/14/2025 | 171.00 K | $10.16 M | 14.00% | 0.44% |
| PEAK6 LLC | 11/14/2025 | 169.30 K | $10.05 M | -67.76% | 0.44% |
| AQR CAPITAL MANAGEMENT LLC | 11/14/2025 | 168.75 K | $10.02 M | -0.08% | 0.43% |
| RAYMOND JAMES FINANCIAL INC | 11/14/2025 | 167.32 K | $9.94 M | 0.24% | 0.43% |
| CITADEL ADVISORS LLC | 11/14/2025 | 160.60 K | $9.54 M | -32.24% | 0.41% |
| PALISADES INVESTMENT PARTNERS, LLC | 10/30/2025 | 141.11 K | $8.38 M | 0.43% | 0.36% |
| WOLVERINE TRADING, LLC | 11/14/2025 | 139.80 K | $8.51 M | 100.00% | 0.36% |
| JANE STREET GROUP, LLC | 11/14/2025 | 136.10 K | $8.08 M | -17.06% | 0.35% |
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American Superconductor Corporation institutional Ownership - FAQ's
During the previous two years, 330 institutional investors and hedge funds held shares of American Superconductor Corporation. The most heavily invested institutionals were:
BlackRock, Inc.: 3.63 M
VANGUARD GROUP INC: 2.95 M
BAILLIE GIFFORD & CO: 1.43 M
DRIEHAUS CAPITAL MANAGEMENT LLC: 1.22 M
GOLDMAN SACHS GROUP INC: 1.17 M
STATE STREET CORP: 1.14 M
84.11% of American Superconductor Corporation stock is owned by institutional investors.
Institutional investors have bought a total of 37.34 M shares in the last 24 months. This purchase volume represents approximately $1.23 B in transactions.