American Superconductor Corp. Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| BLACKROCK, INC. | 05/13/2026 | 3.98 M | $134.81 M | 6.19% | 9.06% |
| 05/15/2026 | 2.04 M | $69.04 M | 100.00% | 4.64% | |
| 05/08/2026 | 1.71 M | $57.94 M | 100.00% | 3.89% | |
| BAILLIE GIFFORD & CO | 05/08/2026 | 1.45 M | $49.00 M | -3.94% | 3.29% |
| STATE STREET CORP | 05/15/2026 | 1.26 M | $42.69 M | 5.79% | 2.87% |
| GEODE CAPITAL MANAGEMENT, LLC | 05/15/2026 | 1.17 M | $39.58 M | 7.19% | 2.66% |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC | 05/13/2026 | 1.14 M | $38.58 M | 100.00% | 2.59% |
| NUVEEN, LLC | 04/30/2026 | 1.02 M | $34.56 M | 6.24% | 2.32% |
| OBERWEIS ASSET MANAGEMENT INC/ | 05/15/2026 | 849.90 K | $28.77 M | 1.67% | 1.93% |
| AWM INVESTMENT COMPANY, INC. | 05/15/2026 | 801.60 K | $27.13 M | 6.28% | 1.82% |
| FIRST TRUST ADVISORS LP | 05/13/2026 | 778.27 K | $26.34 M | 13.95% | 1.77% |
| EMERALD ADVISERS, LLC | 05/04/2026 | 757.40 K | $25.64 M | -0.02% | 1.72% |
| GOLDMAN SACHS GROUP INC | 05/15/2026 | 709.50 K | $24.02 M | -9.30% | 1.61% |
| DIMENSIONAL FUND ADVISORS LP | 05/07/2026 | 658.30 K | $22.28 M | 21.85% | 1.50% |
| MORGAN STANLEY | 05/15/2026 | 633.84 K | $21.46 M | -10.15% | 1.44% |
| TELEMARK ASSET MANAGEMENT, LLC | 05/12/2026 | 600.00 K | $20.31 M | -3.21% | 1.37% |
| UBS GROUP AG | 05/05/2026 | 599.82 K | $20.30 M | -19.44% | 1.36% |
| D. E. SHAW & CO., INC. | 05/15/2026 | 567.57 K | $19.21 M | 28.08% | 1.29% |
| ROYCE & ASSOCIATES LP | 05/12/2026 | 542.78 K | $18.37 M | 40.23% | 1.23% |
| LEGAL & GENERAL GROUP PLC | 05/08/2026 | 530.13 K | $17.94 M | 90.68% | 1.21% |
| ALGERT GLOBAL LLC | 05/14/2026 | 489.97 K | $16.59 M | 6.34% | 1.11% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 05/14/2026 | 446.75 K | $15.12 M | -34.61% | 1.02% |
| EMERALD MUTUAL FUND ADVISERS TRUST | 05/04/2026 | 438.88 K | $14.86 M | 0.83% | 1.00% |
| BNP PARIBAS ARBITRAGE, SNC | 05/12/2026 | 436.69 K | $14.78 M | 429.30% | 0.99% |
| HOOD RIVER CAPITAL MANAGEMENT LLC | 05/15/2026 | 398.71 K | $13.50 M | 100.00% | 0.91% |
| NORTHERN TRUST CORP | 05/14/2026 | 393.22 K | $13.31 M | 8.98% | 0.89% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 05/15/2026 | 385.41 K | $13.05 M | -0.54% | 0.88% |
| MACQUARIE MANAGEMENT HOLDINGS, INC. | 05/15/2026 | 379.48 K | $12.85 M | -17.47% | 0.86% |
| QUBE RESEARCH & TECHNOLOGIES LTD | 05/15/2026 | 329.41 K | $11.15 M | -45.01% | 0.75% |
| VANGUARD FIDUCIARY TRUST CO | 05/08/2026 | 326.04 K | $11.04 M | 100.00% | 0.74% |
| STEPHENS INVESTMENT MANAGEMENT GROUP LLC | 04/28/2026 | 308.52 K | $10.44 M | 77.08% | 0.70% |
| PORTOLAN CAPITAL MANAGEMENT, LLC | 05/15/2026 | 295.64 K | $10.01 M | 100.00% | 0.67% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 05/15/2026 | 286.60 K | $9.70 M | -15.71% | 0.65% |
| PANAGORA ASSET MANAGEMENT INC | 05/14/2026 | 256.39 K | $8.68 M | 0.63% | 0.58% |
| INVESCO LTD. | 05/12/2026 | 240.79 K | $8.15 M | -37.64% | 0.55% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 05/11/2026 | 227.56 K | $7.70 M | 5.77% | 0.52% |
| SEI INVESTMENTS CO | 05/13/2026 | 224.44 K | $7.60 M | 184.78% | 0.51% |
| CITADEL ADVISORS LLC | 05/15/2026 | 216.71 K | $7.34 M | -35.83% | 0.49% |
| BANK OF AMERICA CORP /DE/ | 05/18/2026 | 209.45 K | $7.09 M | 26.50% | 0.48% |
| AQR CAPITAL MANAGEMENT LLC | 05/15/2026 | 184.76 K | $6.25 M | 26.57% | 0.42% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 05/15/2026 | 184.00 K | $6.23 M | 17.35% | 0.42% |
| CITADEL ADVISORS LLC | 05/15/2026 | 170.00 K | $5.75 M | -46.97% | 0.39% |
| TWO SIGMA INVESTMENTS, LP | 05/15/2026 | 169.02 K | $5.72 M | -47.44% | 0.38% |
| BAIRD FINANCIAL GROUP, INC. | 05/14/2026 | 163.26 K | $5.53 M | 21.02% | 0.37% |
| PALISADES INVESTMENT PARTNERS, LLC | 04/30/2026 | 152.58 K | $5.16 M | 5.80% | 0.35% |
| ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC | 05/05/2026 | 149.60 K | $4.88 M | -26.91% | 0.34% |
| FMR LLC | 05/15/2026 | 147.29 K | $4.99 M | 18.40% | 0.34% |
| BALYASNY ASSET MANAGEMENT L.P. | 05/15/2026 | 144.14 K | $4.88 M | -5.66% | 0.33% |
| JPMORGAN CHASE & CO | 05/13/2026 | 136.85 K | $4.41 M | 11.16% | 0.31% |
| JANE STREET GROUP, LLC | 05/12/2026 | 136.40 K | $4.62 M | 293.08% | 0.31% |
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American Superconductor Corp. institutional Ownership - FAQ's
During the previous two years, 318 institutional investors and hedge funds held shares of American Superconductor Corp.. The most heavily invested institutionals were:
BlackRock, Inc.: 3.98 M
BAILLIE GIFFORD & CO: 1.45 M
STATE STREET CORP: 1.26 M
GEODE CAPITAL MANAGEMENT, LLC: 1.17 M
BARROW HANLEY MEWHINNEY & STRAUSS LLC: 1.14 M
Nuveen, LLC: 1.02 M
75.45% of American Superconductor Corp. stock is owned by institutional investors.
Institutional investors have bought a total of 37.67 M shares in the last 24 months. This purchase volume represents approximately $1.09 B in transactions.