AMSC — AMERICAN SUPERCONDUCTOR CORP COM

Ownership history in CAXTON ASSOCIATES LP  ·  10 quarters on record

This page tracks every 13F SEC filing in which CAXTON ASSOCIATES LP reported a position in AMERICAN SUPERCONDUCTOR CORP COM (AMSC). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.12% (2011 Q2)
Avg. % of fund
0.03%
First filed
2007 Q2
Last filed
2024 Q3
Quarters held
10
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2024 Q3 REDUCED 10,736 -7,096 -39.8% 0.01% $253K $23.60
2022 Q3 UNCHANGED 17,832 — 0% 0.01% $78K $4.38
2022 Q2 UNCHANGED 17,832 — 0% 0.01% $92K $5.18
2022 Q1 REDUCED 17,832 -344,555 -95.1% 0.01% $136K $7.61
6 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    AMSC price (monthly, adj. close)

Other funds also holding AMSC

As of 2025 Q4 — sorted by position size

AWM Investment Company, Inc. 3Y 7Y 2.1% Telemark Asset Management, LLC 3Y 7Y 1.78% ESSEX INVESTMENT MANAGEMENT CO LLC 3Y 7Y 0.94% OBERWEIS ASSET MANAGEMENT INC/ 3Y 7Y 0.88% Lumbard & Kellner, LLC 3Y 7Y 0.72% EMERALD ADVISERS, LLC 3Y 7Y 0.67% Dynamic Technology Lab Private Ltd 3Y 7Y 0.45% Atreides Management, LP 3Y 0.37% VIRTUS ADVISERS, LLC 3Y 7Y 0.35% Fund Advisors of America Inc/FL 0.29%
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