American Superconductor Corp /De/ (NASDAQ:AMSC) appears in 234 institutional 13F filings for the quarter ending December 2025.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| BlackRock, Inc. | 31 Mar, 2026 | 3,982,650 | 232,247 | 6.19% | $134,812,704.00 |
| VANGUARD CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 2,039,468 | 2,039,468 | 0.00% | $69,035,992.00 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 31 Mar, 2026 | 1,711,677 | 1,711,677 | 0.00% | $57,940,266.00 |
| BAILLIE GIFFORD & CO | 31 Mar, 2026 | 1,447,419 | -59,422 | -3.94% | $48,995,134.00 |
| State Street Corp | 31 Mar, 2026 | 1,261,071 | 68,978 | 5.79% | $42,687,253.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 1,169,152 | 78,442 | 7.19% | $39,583,990.00 |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC | 31 Mar, 2026 | 1,139,793 | 1,139,793 | 0.00% | $38,581,993.00 |
| Nuveen, LLC | 31 Mar, 2026 | 1,020,947 | 59,979 | 6.24% | $34,559,056.00 |
| OBERWEIS ASSET MANAGEMENT INC/ | 31 Mar, 2026 | 849,900 | 14,000 | 1.67% | $28,769,115.00 |
| AWM Investment Company, Inc. | 31 Mar, 2026 | 801,604 | 47,384 | 6.28% | $27,134,295.00 |
| FIRST TRUST ADVISORS LP | 31 Mar, 2026 | 778,268 | 95,301 | 13.95% | $26,344,371.00 |
| EMERALD ADVISERS, LLC | 31 Mar, 2026 | 757,404 | -164 | -0.02% | $25,638,125.00 |
| Goldman Sachs Group Inc | 31 Mar, 2026 | 709,504 | -855,070 | -54.65% | $24,016,711.00 |
| DIMENSIONAL FUND ADVISORS LP | 31 Mar, 2026 | 658,297 | 118,044 | 21.85% | $22,277,858.00 |
| Morgan Stanley | 31 Mar, 2026 | 633,841 | -71,601 | -10.15% | $21,455,567.00 |
| Telemark Asset Management, LLC | 31 Mar, 2026 | 600,000 | -19,900 | -3.21% | $20,310,000.00 |
| UBS Group AG | 31 Mar, 2026 | 599,821 | -144,742 | -19.44% | $20,303,941.00 |
| D. E. Shaw & Co., Inc. | 31 Mar, 2026 | 567,574 | 124,426 | 28.08% | $19,212,380.00 |
| ROYCE & ASSOCIATES LP | 31 Mar, 2026 | 542,778 | 155,709 | 40.23% | $18,373,035.00 |
| Legal & General Group Plc | 31 Mar, 2026 | 530,131 | 252,105 | 90.68% | $17,944,934.00 |