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AMSC AMERICAN SUPERCONDUCTOR CORP

2026Q2 · CUSIP 030111207 · Sector: Industrials

Piling in

Net holder growth ranks near the top of the market

Funds that own it
274
Institutions that reported holding it to the SEC
Net increase in holders
+33
Last quarter 241 → now 274
How unusual is that
Top 10%
Stronger buying than 91% of US stocks
What the filings say, in one paragraph

274 funds held AMSC at the end of 2026Q2, up 33 from the quarter before. That is stronger buying than 90.7% of US stocks — among the most piled-into names this quarter. On the business itself, revenue over the last 12 months was $321M(YoY +25.9%), the P/E is 9.3x, return on equity is 23.9%. AMSC has had 8 buying rushes in its history, and the price moved +35.6% on average over the six months after (that is the raw price move, not how much it beat the market by). It sits in the Industrials sector.

How many funds owned it, quarter by quarter

Bars = net change in institutional holders, positive (green) or negative (red). Line = total institutional holders.

2015Q2: holders=55 2015Q3: holders=54 2015Q4: holders=51 2016Q1: holders=62 2016Q2: holders=75 2016Q3: holders=69 2016Q4: holders=69 2017Q1: holders=72 2017Q2: holders=65 2017Q3: holders=56 2017Q4: holders=60 2018Q1: holders=58 2018Q2: holders=60 2018Q3: holders=63 2018Q4: holders=68 2019Q1: holders=82 2019Q2: holders=78 2019Q3: holders=76 2019Q4: holders=77 2020Q1: holders=75 2020Q2: holders=77 2020Q3: holders=90 2020Q4: holders=108 2021Q1: holders=103 2021Q2: holders=104 2021Q3: holders=101 2021Q4: holders=107 2022Q1: holders=106 2022Q2: holders=93 2022Q3: holders=82 2022Q4: holders=77 2023Q1: holders=74 2023Q2: holders=77 2023Q3: holders=73 2023Q4: holders=99 2024Q1: holders=128 2024Q2: holders=155 2024Q3: holders=171 2024Q4: holders=191 2025Q1: holders=190 2025Q2: holders=231 2025Q3: holders=271 2025Q4: holders=238 2026Q1: holders=241 2026Q2: holders=274 -41 -20.5 +0 +20.5 +41 45167288 15Q216Q317Q419Q120Q221Q322Q424Q125Q226Q2 Net change in holders (bars) Total funds holding (line)

What happened after each past buying rush 8 times in its history

Quarter of the rush How unusual then Price, next 3 months Price, next 6 months
2026Q2 Top 10% — —
2025Q3 Top 10% +5.1% +53.2%
2025Q2 Top 10% -36.6% -34.9%
2024Q2 Top 10% +49.3% +47.1%
2024Q1 Top 10% +59.1% +114.7%
2020Q3 Top 20% +60.8% -2.2%
2016Q2 Top 20% — —
2016Q1 Top 20% — —

These are the raw price moves, not how much it beat the market by. Compare them against the market over the same months — in a strong bull market almost everything is up.

Show all the numbers (large funds, value held, options…) ▾
Of them, large funds
130
Change in large funds
+10
Total value they hold
$1.5B
Funds buying for the first time
68
Funds that sold out entirely
35
Price change that quarter
-43.1%
Funds holding puts (bearish)
6
Funds holding calls (bullish)
7

These are for people who want to dig. Skip them if they do not mean anything to you — the three numbers above are enough.

8,697 institutions have filed for this quarter. 13F permits late filing and a small number arrive in the weeks after the deadline, so the holder counts and changes below may tick up.

Fundamentals

PE (TTM)
9.3
EPS (TTM)
$3.08
EPS YoY
+670.0%
Revenue (TTM)
$0.3B
Revenue YoY
+25.9%
Net margin
42.6%
ROE
23.9%
Debt ratio
24.9%
FCF (TTM)
$21M
Dividend (TTM)
No dividend
Quarterly Revenue & EPS
2021-09-30: EPS -0.16 2021-12-31: EPS -0.16 2022-03-31: EPS -0.71 2022-06-30: EPS -0.32 2022-09-30: EPS -0.35 2022-12-31: EPS -0.34 2023-03-31: EPS -1.26 2023-06-30: EPS -0.19 2023-09-30: EPS -0.09 2023-12-31: EPS -0.06 2024-03-31: EPS -0.37 2024-06-30: EPS -0.07 2024-09-30: EPS 0.13 2024-12-31: EPS 0.06 2025-03-31: EPS 0.04 2025-06-30: EPS 0.17 2025-09-30: EPS 0.11 2025-12-31: EPS 2.62 2026-03-31: EPS 0.15 2026-06-30: EPS 0.20 0M 54M 108M $M -1.39 0.75 2.88 2016201720182019202020212022202320242025202606/26 Revenue EPS

Quarterly figures, revenue up to 10 years back; EPS split-adjusted, early quarters hidden when not calibrable

P/E (TTM) over time
9 83 158 20252026

P/E = close around day 47 after quarter-end ÷ TTM EPS then; this is a consistent valuation date, not the company’s actual filing date; loss quarters hidden

Quarterly free cash flow
-10M10M30M 20162017201820192020202120222023202420252026
Latest quarter $7M (2026-03-31)

FCF = operating cash flow − capex, computed from SEC XBRL; banks/insurers have no standard cash-flow structure and are hidden

As of 2026-06-30 · SEC filings (XBRL)

Email me the next update

2026 Q3 holdings are due 2026-11-16. We will email you when the refreshed lists are live.