AMERICAN SUPERCONDUCTOR CORP AMSC
$37.11
-7.0% 52w: $25.95 – $66.68
Latest 13F among current holders filed 11 days ago (Jun 24, 2026)
Price — last 12 months
research preview data25.9546.3266.68
Jun 20, 2025 Jul 2, 2026
Institutional holders
243
+4 QoQ
13F value
$1.12B
+17.7% QoQ
Smart-money holders
10
signal tier ≥ 2
New smart buyers
2
Q1 2026
Options barometer
1.1×
$19.9M calls / $18.0M puts
Institutional value by quarter
Number of holders
Who owns AMSC?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| BlackRock, Inc. | Index provider | 4.0M | $134.8M | 0.0% | +6.2% |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 2.0M | $69.0M | 0.0% | — |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 1.7M | $57.9M | 0.0% | — |
| BAILLIE GIFFORD & CO ★2 | Long only active | 1.4M | $49.0M | 0.1% | -3.9% |
| STATE STREET CORP | Index provider | 1.3M | $42.7M | 0.0% | +5.8% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 1.2M | $39.6M | 0.0% | +7.2% |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC | Other | 1.1M | $38.6M | 0.1% | New |
| Nuveen, LLC | Diversified mechanical | 1.0M | $34.6M | 0.0% | +6.2% |
| OBERWEIS ASSET MANAGEMENT INC/ | Other | 849.9K | $28.8M | 0.8% | +1.7% |
| AWM Investment Company, Inc. ★2 | Fundamental diversified | 801.6K | $27.1M | 3.0% | +6.3% |
| FIRST TRUST ADVISORS LP | Index provider | 778.3K | $26.3M | 0.0% | +14.0% |
| EMERALD ADVISERS, LLC | Other | 757.4K | $25.6M | 0.8% | 0.0% |
| GOLDMAN SACHS GROUP INC | Bank broker | 709.5K | $24.0M | 0.0% | -9.3% |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 658.3K | $22.3M | 0.0% | +21.8% |
| MORGAN STANLEY | Bank broker | 633.8K | $21.5M | 0.0% | -10.1% |
| Telemark Asset Management, LLC ★2 | Fundamental diversified | 600.0K | $20.3M | 1.9% | -3.2% |
| UBS Group AG | Bank broker | 599.8K | $20.3M | 0.0% | -19.4% |
| D. E. Shaw & Co., Inc. | Quant stat arb | 567.6K | $19.2M | 0.0% | +28.1% |
| ROYCE & ASSOCIATES LP | Other | 542.8K | $18.4M | 0.2% | +40.2% |
| Legal & General Group Plc | Diversified mechanical | 530.1K | $17.9M | 0.0% | +90.7% |
| ALGERT GLOBAL LLC | Diversified mechanical | 490.0K | $16.6M | 0.2% | +6.3% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Quant stat arb | 446.8K | $15.1M | 0.0% | -34.6% |
| EMERALD MUTUAL FUND ADVISERS TRUST | Other | 438.9K | $14.9M | 0.7% | +0.8% |
| BNP PARIBAS FINANCIAL MARKETS | Bank broker | 436.7K | $14.8M | 0.0% | +429.3% |
| Hood River Capital Management LLC | Other | 398.7K | $13.5M | 0.1% | New |
| NORTHERN TRUST CORP | Index provider | 393.2K | $13.3M | 0.0% | +9.0% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 385.4K | $13.0M | 0.0% | -0.5% |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | Diversified mechanical | 379.5K | $12.8M | 0.0% | -17.5% |
| Qube Research & Technologies Ltd | Quant stat arb | 329.4K | $11.2M | 0.0% | -45.0% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 326.0K | $11.0M | 0.0% | — |
| Stephens Investment Management Group LLC | Other | 308.5K | $10.4M | 0.1% | +77.1% |
| Portolan Capital Management, LLC | Other | 295.6K | $10.0M | 0.5% | New |
| PANAGORA ASSET MANAGEMENT INC | Diversified mechanical | 256.4K | $8.7M | 0.0% | +0.6% |
| Invesco Ltd. | Index provider | 240.8K | $8.2M | 0.0% | -37.6% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | Other | 227.6K | $7.7M | 1.2% | +5.8% |
| SEI INVESTMENTS CO | Diversified mechanical | 224.4K | $7.6M | 0.0% | +184.8% |
| CITADEL ADVISORS LLC | Multistrat pod | 216.7K | $7.3M | 0.0% | -35.8% |
| BANK OF AMERICA CORP /DE/ | Bank broker | 209.5K | $7.1M | 0.0% | +26.5% |
| AQR CAPITAL MANAGEMENT LLC | Quant stat arb | 184.8K | $6.3M | 0.0% | +26.6% |
| TWO SIGMA INVESTMENTS, LP | Quant stat arb | 169.0K | $5.7M | 0.0% | -47.4% |
| Baird Financial Group, Inc. | Diversified mechanical | 163.3K | $5.5M | 0.0% | +21.0% |
| Palisades Investment Partners, LLC ★3 | Fundamental concentrated | 152.6K | $5.2M | 2.0% | +5.8% |
| FMR LLC | Long only active | 147.3K | $5.0M | 0.0% | +18.4% |
| Allspring Global Investments Holdings, LLC | Diversified mechanical | 149.6K | $4.9M | 0.0% | -26.9% |
| Balyasny Asset Management L.P. | Multistrat pod | 144.1K | $4.9M | 0.0% | -5.7% |
| ArrowMark Colorado Holdings LLC | Other | 135.4K | $4.6M | 0.1% | +22.6% |
| Bank of New York Mellon Corp | Diversified mechanical | 134.8K | $4.6M | 0.0% | -1.6% |
| JPMORGAN CHASE & CO | Bank broker | 136.8K | $4.4M | 0.0% | +11.2% |
| RAYMOND JAMES FINANCIAL INC | Bank broker | 124.0K | $4.2M | 0.0% | -12.6% |
| GMT Capital Corp ★2 | Fundamental diversified | 108.1K | $3.7M | 0.2% | New |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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