American SuperconductorAMSC
13F holders, Q1 2024 (March 31)128holders
5famous investors
$13.51avg. 13F price*
At the end of Q1 2024, 128 institutions reported holding American Superconductor Corp. (AMSC) in their 13F filings. The largest holders were AWM Investment Company, Inc. ($36.0M), Baillie Gifford & Co. ($34.1M) and Vanguard Group Inc. ($23.0M). 5 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- American Superconductor Corp.
- CUSIP
- 030111207
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 43 | $60.6M |
| Exits | 13 | $2.8M |
Ownership 128 holders
| AWM Investment Company, Inc. | 4.71% | Add +19.4% | 2,661,319 | $36.0M |
| Baillie Gifford & Co. | 0.03% | Add +21.1% | 2,526,550 | $34.1M |
| Vanguard Group Inc. | 0.00% | Add +30.5% | 1,698,934 | $23.0M |
| Hood River Capital Management LLC | 0.49% | New | 1,618,807 | $21.9M |
| Royce & Associates LP | 0.14% | Reduce -4.2% | 1,193,182 | $16.1M |
| Driehaus Capital Management LLC | 0.13% | New | 931,979 | $12.6M |
| Invesco Ltd. | 0.00% | Reduce -0.1% | 864,227 | $11.7M |
| BlackRock Inc. | 0.00% | Add +21.7% | 746,266 | $10.1M |
| Oberweis Asset Management Inc./ | 0.62% | Add +68.8% | 634,400 | $8.6M |
| Essex Investment Management Co. LLC | 1.56% | Reduce -6.4% | 583,924 | $7.9M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -15.1% | 580,547 | $7.8M |
| Morgan Stanley | 0.00% | Add +220.0% | 516,416 | $7.0M |
| Millennium Management | 0.01% | Add +21.1% | 499,667 | $6.8M |
| Telemark Asset Management, LLC | 0.56% | New | 400,000 | $5.4M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.02% | Add +224.9% | 395,791 | $5.3M |
| Geode Capital Management, LLC | 0.00% | Add +30.4% | 384,741 | $5.2M |
| Jane Street Group, LLC | 0.01% | Add +67.0% | 356,473 | $4.8M |
| State Street Corp. | 0.00% | Reduce -1.5% | 334,115 | $4.5M |
| Citadel Advisors | 0.00% | Add +26.8% | 332,397 | $4.5M |
| Qube Research & Technologies Ltd | 0.01% | Add +38.2% | 320,220 | $4.3M |
| ArrowMark Colorado Holdings LLC | 0.05% | Reduce -29.0% | 306,432 | $4.1M |
| Laurion Capital Management LP | 0.11% | No change | 300,323 | $4.1M |
| D. E. Shaw & Co. | 0.01% | Reduce -33.9% | 288,195 | $3.9M |
| First Trust Advisors LP | 0.00% | Add +5.9% | 251,163 | $3.4M |
| CM Management, LLC | 2.84% | Add +28.2% | 250,000 | $3.4M |
| Goldman Sachs Group Inc. | 0.00% | Add +399.4% | 249,569 | $3.4M |
| Cubist Systematic Strategies, LLC | 0.04% | Add +232.0% | 236,106 | $3.2M |
| G2 Investment Partners Management LLC | 0.56% | New | 154,139 | $2.1M |
| Assenagon Asset Management S.A. | 0.01% | Add +459.7% | 142,192 | $1.9M |
| Arrowstreet Capital, Limited Partnership | 0.00% | New | 133,903 | $1.8M |
| Bridgeway Capital Management, LLC | 0.04% | Reduce -10.4% | 129,700 | $1.8M |
| Trexquant Investment LP | 0.03% | Add +4.5% | 116,797 | $1.6M |
| Andrew Hill Investment Advisors, Inc. | 1.39% | New | 116,218 | $1.6M |
| Jump Financial, LLC | 0.04% | Add +109.1% | 115,844 | $1.6M |
| Renaissance Technologies | 0.00% | New | 113,489 | $1.5M |
| Prescott Group Capital Management, L.L.C. | 0.24% | Add +37.0% | 111,091 | $1.5M |
| GMT Capital Corp | 0.06% | New | 108,066 | $1.5M |
| Hussman Strategic Advisors, Inc. | 0.33% | New | 105,000 | $1.4M |
| Squarepoint Ops LLC | 0.01% | Add +144.8% | 91,427 | $1.2M |
| Legato Capital Management LLC | 0.15% | No change | 89,667 | $1.2M |
| Alps Advisors Inc. | 0.01% | New | 88,090 | $1.2M |
| ClariVest Asset Management LLC | 0.12% | New | 87,257 | $1.2M |
| Man Group plc | 0.00% | Add +35.1% | 85,445 | $1.2M |
| Merit Financial Group, LLC | 0.02% | Reduce -5.4% | 77,951 | $1.0M |
| Ardsley Advisory Partners LP | 0.15% | New | 75,000 | $1.0M |
| Northern Trust Corp. | 0.00% | Add +21.4% | 71,713 | $969K |
| Schonfeld Strategic Advisors LLC | 0.01% | Add +291.2% | 68,294 | $923K |
| Informed Momentum Co LLC | 0.13% | Add +6.0% | 63,098 | $852K |
| ExodusPoint Capital Management, LP | 0.01% | Reduce -9.0% | 59,499 | $804K |
| New York State Common Retirement Fund | 0.00% | New | 55,700 | $753K |
| Simplex Trading, LLC | 0.02% | New | 53,662 | $724K |
| Balyasny Asset Management L.P. | 0.00% | Reduce -54.3% | 52,150 | $705K |
| GTS Securities LLC | 0.02% | Add +16.2% | 50,149 | $678K |
| Acadian Asset Management LLC | 0.00% | Add +92.5% | 48,218 | $649K |
| IMC-Chicago, LLC | 0.02% | Add +45.9% | 47,219 | $638K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | Reduce -24.7% | 45,367 | $613K |
| Brevan Howard Capital Management LP | 0.05% | New | 41,831 | $565K |
| Citigroup Inc. | 0.00% | Add +8.2% | 40,405 | $546K |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | Reduce -1.0% | 39,926 | $539K |
| Healthcare of Ontario Pension Plan Trust Fund | 0.00% | Add +36.3% | 38,318 | $518K |
| Boothbay Fund Management, LLC | 0.02% | New | 37,290 | $504K |
| Bank of Montreal | 0.00% | New | 37,253 | $504K |
| Two Sigma Investments, LP | 0.00% | Add +99.6% | 35,929 | $485K |
| Marathon Trading Investment Management LLC | 0.19% | New | 34,400 | $465K |
| Point72 Asia (Singapore) Pte. Ltd. | 0.12% | Add +475.8% | 34,326 | $464K |
| Barclays PLC | 0.00% | Reduce -38.4% | 34,279 | $463K |
| Bank of America Corp. | 0.00% | Reduce -36.4% | 32,811 | $443K |
| Y-Intercept (Hong Kong) Ltd | 0.03% | New | 32,662 | $441K |
| JPMorgan Chase & Co. | 0.00% | New | 31,068 | $420K |
| GoalVest Advisory LLC | 0.13% | New | 29,930 | $404K |
| Royal Bank of Canada | 0.00% | Add +2.6% | 28,649 | $388K |
| Landscape Capital Management, L.L.C. | 0.03% | No change | 27,754 | $375K |
| Graham Capital Management, L.P. | 0.02% | Reduce -65.2% | 26,892 | $363K |
| Cannon Global Investment Management, LLC | 0.93% | New | 25,500 | $345K |
| Engineers Gate Manager LP | 0.01% | New | 24,155 | $326K |
| Verition Fund Management LLC | 0.00% | New | 23,985 | $324K |
| Bantamac Capital, LLC | 0.18% | New | 23,201 | $313K |
| Harel Insurance Investments & Financial Services Ltd. | 0.01% | Reduce -12.9% | 22,924 | $310K |
| Bailard, Inc. | 0.01% | Add +1.1% | 22,438 | $303K |
| Jefferies Financial Group Inc. | 0.01% | Add +0.9% | 21,500 | $290K |
| Joule Financial, LLC | 0.11% | No change | 20,621 | $279K |
| Ameriprise Financial Inc. | 0.00% | New | 20,133 | $272K |
| Bank of New York Mellon Corp | 0.00% | Reduce -30.5% | 19,587 | $265K |
| Susquehanna International Group, LLP | 0.00% | Reduce -90.1% | 17,067 | $231K |
| Occudo Quantitative Strategies LP | 0.04% | New | 16,961 | $229K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 16,911 | $229K |
| TFC Financial Management, Inc. | 0.04% | No change | 16,471 | $223K |
| UBS Group AG | 0.00% | Add +498.5% | 16,250 | $220K |
| Charles Schwab Investment Management Inc. | 0.00% | No change | 15,966 | $216K |
| Atria Wealth Solutions, Inc. | 0.00% | Add +7.1% | 15,498 | $209K |
| Quadrature Capital Ltd | 0.00% | New | 15,066 | $203K |
| Wells Fargo & Company | 0.00% | Add +536.2% | 13,334 | $180K |
| Corton Capital Inc. | 0.06% | New | 12,987 | $175K |
| LPL Financial LLC | 0.00% | Add +14.5% | 12,819 | $173K |
| ProShare Advisors LLC | 0.00% | No change | 12,325 | $167K |
| Oppenheimer & Co. Inc. | 0.00% | Reduce -39.6% | 12,200 | $165K |
| Greenwich Wealth Management LLC | 0.01% | Reduce -17.0% | 11,924 | $161K |
| Hillsdale Investment Management Inc. | 0.01% | New | 11,300 | $153K |
| Virtu Financial LLC | 0.01% | New | 11,284 | $152K |
| GPS Wealth Strategies Group, LLC | 0.02% | Reduce -14.1% | 9,152 | $124K |
"% of holder's portfolio" is AMSC's weight in each manager's 13F, not the share of American Superconductor Corp. the manager owns.