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Which hedge funds own AMSC? AMERICAN SUPERCONDUCTOR CORP, Q2 2026 13F holders

IndustrialsSpecialty Industrial Machinery

28 tracked hedge funds disclosed a position in AMSC (AMERICAN SUPERCONDUCTOR CORP) in their Q2 2026 13F filings, worth $180.5m in total. The largest holder by portfolio weight is AWM Investment Company, Inc. at 3.4% of its book. 10 opened a new position this quarter: Fox Run Management, L.L.C., Aquatic Capital Management LLC, Atom Investors LP, Catalyst Funds Management Pty Ltd. 5 exited: Axiom Investors LLC, Cinctive Capital Management LP, Mangrove Partners IM, LLC.

28
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
10
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
5
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$5.5m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$4.7m
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$181m
Combined value
Sum of the holders' reported positions in the security.
2.3%
Share of managers holding
Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.

Holders, Q2 2026

28 rows
AWM Investment Company, Inc. Hedge fund3.4%$39.5m951,604+19%added
Telemark Asset Management, LLC Hedge fund1.8%$24.9m600,0000.0%held
ArrowMark Colorado Holdings LLC Hedge fund0.3%$6.6m159,432+18%added
GMT Capital Corp Hedge fund0.2%$4.5m108,0660.0%held
Ardsley Advisory Partners LP Hedge fund0.09%$830k20,000−20%reduced
Fox Run Management, L.L.C. Hedge fund0.08%$474k11,407–new
EntryPoint Capital, LLC Hedge fund0.06%$262k6,3120.0%held
Aquatic Capital Management LLC Hedge fund0.05%$1.3m32,081–new
Atom Investors LP Hedge fund0.04%$444k10,696–new
Baillie Gifford Long-only investor0.04%$38.7m933,308−36%reduced
Dark Forest Capital Management LP Hedge fund0.03%$474k11,422−44%reduced
Catalyst Funds Management Pty Ltd Hedge fund0.02%$374k9,000–new
Qube Research & Technologies Ltd Hedge fund0.01%$10.4m250,573−24%reduced
D. E. Shaw & Co., Inc. Hedge fund0.01%$15.2m366,845−35%reduced
Holocene Advisors, LP Hedge fund0.01%$4.0m95,716+689%added
Boothbay Fund Management, LLC Hedge fund0.01%$308k7,414–new
Balyasny Asset Management L.P. Hedge fund0.01%$2.9m68,847−52%reduced
Y-Intercept (Hong Kong) Ltd Hedge fund0.0%$231k5,575–new
Arrowstreet Capital, Limited Partnership Hedge fund0.0%$9.6m230,903−48%reduced
ExodusPoint Capital Management, LP Hedge fund0.0%$346k8,325−69%reduced
Millennium Management LLC Hedge fund0.0%$4.2m100,762−0.8%reduced
Two Sigma Investments, LP Hedge fund0.0%$3.8m90,340−47%reduced
AQR Capital Management LLC Hedge fund0.0%$8.1m194,477+5.3%added
Marshall Wace, LLP Hedge fund0.0%$2.2m53,261–new
Quarry LP Hedge fund0.0%$3.9k95–new
Freestone Grove Partners LP Hedge fund0.0%$92.5k2,228–new
Citadel Advisors LLC Hedge fund0.0%$852k20,528−91%reduced
Quantbot Technologies LP Hedge fund0.0%$5.8k139–new