Who Owns American Superconductor CORP (AMSC)? 13F Institutional Holders (Q2 2026)

AMSC ranks #2281 out of 37501 tracked stocks by institutional interest — one of the most closely watched names in our coverage.

278 institutions disclose a position in AMSC, but none treat it as a major bet — even AWM Investment Company, Inc., its most concentrated holder, allocates just 3.4% of its own portfolio to it.

BlackRock has added to its AMSC position for two straight quarters, increasing it by $62.1M to reach $170.0M today.

Arrowstreet Capital, Limited Partnership has trimmed its AMSC position for two straight quarters, cutting it by $10.1M while still holding $9.6M.

AMSC is down 0.2% today, but institutions show net buying of $266.0M this quarter — a divergence between today's price move and the underlying institutional flow.

AMSC posted net income of $136.6M over the trailing twelve months, and currently trades at a P/E of 9.2.

• Profitable — net income of $136.6M over the trailing twelve months
• Net income improved year over year, from $15.3M to $136.6M
• Generated $23.1M in positive operating cash flow
• Current ratio of 2.39x — enough short-term assets to cover short-term liabilities
• Liabilities run 0.33x equity — within a conventional range