AMSC — AMERICAN SUPERCONDUCTOR CORP COM

Ownership history in Quantbot Technologies LP  ·  7 quarters on record

This page tracks every 13F SEC filing in which Quantbot Technologies 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
0.04% (2025 Q3)
Avg. % of fund
0.01%
First filed
2011 Q2
Last filed
2025 Q3
Quarters held
7
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 ADDED 26,831 +19,329 +257.7% 0.04% $1.6M $59.39
2025 Q2 REDUCED 7,502 -12,897 -63.2% 0.01% $275K $36.69
2024 Q2 ADDED 20,399 +18,699 +1099.9% 0.02% $477K $23.39
2023 Q2 REDUCED 1,700 -16,104 -90.5% 0.00% $11K $6.26
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% 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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