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Ken GriffinReduced
Citadel Advisors · Q2 2026
$852.12K
20.53K shares · 0.0% of portfolio
American Superconductor Corp
American Superconductor Corp (AMSC) is listed on NASDAQ and classified in Specialty Industrial Machinery, part of the Industrials sector. It is headquartered in Ayer, United States and has 1,195 employees. The company is worth $1.21B and trades at 9.0x its earnings of the last twelve months; the median for its sector is 24.3x. Revenue was $299.16M in fiscal 2026, up 34.3% from the year before. Net income was $133.81M. The share price is 61.4% below its 52-week high of $64.72. 5 of the 38 superinvestors we track held it at the end of Q2 2026. The largest position belongs to Baillie Gifford (Baillie Gifford & Co), at $38.74M. In that quarter, 3 of them reduced the position. No open-market insider trades in it were filed over the last 30 days.
Written from the data on this page: SEC filings (13F, Form 4, annual reports) and market prices.
Year by year, from the annual reports; dividends from the payments themselves.
Bars are year-end balances; lines are what happened during the year.
Major managers that reported this stock in their latest 13F.
▲ +100.5% over 5Y.
today you would have $1,396.63▲ +39.7%
Dividends reinvested, splits accounted for. Past prices say what happened, not what will.
The last 18 closed years, each at that year’s closing price and reported numbers.
| Indicator | Median | 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Year-end price | $25.67 | $28.78 | $24.63 | $11.14 | $3.68 | $10.88 | $23.42 | $7.85 | $11.15 | $3.63 | $7.37 | $6.37 | $7.40 | $16.40 | $26.20 | $36.90 | $285.90 | $409.00 |
Seven formulas applied to the reported numbers, each with its assumption next to the result. None of them predicts a price.
Square root of 22.5 × earnings × book value. Blind to intangibles, so it undervalues software and brands.
Earnings growing 25.0% a year plus a 0.0% dividend yield. Growth capped at 25%.
Median P/E of 24.3 among peers in the sector.
This formula has no meaning here — usually a loss, negative cash flow, or a missing input.
Cash flow growing 15.0% a year for 10 years, discounted at 10%, then 2.5% forever.
Sector median of 13.2x operating profit, less net debt. Banks have no EBITDA.
Companies of similar size in Industrials, for comparison. The columns are the same ones above, in the same order.
| Stock | Price | P/E | P/B | Dividend yield | ROE | Market cap |
|---|---|---|---|---|---|---|
| HAWKHawkEye 360, Inc. | $12.44 | — | 1.5x | 0.00% | — | $1.22B |
| LZLegalzoom.com Inc | $7.12 | 71.2x | 9.4x | 0.00% | 10.49% | $1.22B |
| ULCCFrontier Group Holdings, Inc. | $5.30 | — | 9.0x | 0.00% | -120.25% | $1.22B |
| GBXGreenbrier Companies Inc | $38.78 |
| P/E | 8.4x | 8.4x | 179.9x | — | — | — | — | — | 6.1x | — | — | — | — | — | — | — | — | — | — |
| P/S | 3.0x | 4.1x | 5.1x | 6.3x | 3.1x | 1.0x | 3.5x | 8.3x | 3.0x | 4.8x | 0.9x | 1.1x | 1.3x | 0.7x | 1.1x | 1.8x | — | — | — |
| P/B | 2.1x | 2.2x | 5.8x | 6.3x | 4.0x | 1.0x | 2.6x | 7.3x | 2.1x | 4.5x | 1.1x | 1.2x | 1.1x | 0.5x | 0.8x | 0.8x | — | — | — |
| EPS | $3.05 | $0.16 | -$0.37 | -$1.26 | -$0.71 | -$0.95 | -$1.03 | $1.29 | -$1.73 | -$1.98 | -$1.76 | -$5.74 | -$8.98 | -$12.46 | -$26.90 | — | — | — |
| Profit margin | -26.78% | 44.73% | 2.71% | -7.63% | -33.06% | -17.70% | -26.03% | -26.78% | 47.61% | -67.71% | -36.40% | -24.10% | -68.99% | -66.88% | -75.65% | -178.76% | — | — | — |
| ROE | -27.70% | 24.09% | 3.06% | -7.69% | -42.84% | -17.55% | -19.45% | -23.67% | 32.96% | -62.75% | -45.45% | -27.70% | -60.90% | -50.11% | -52.85% | -82.99% | — | — | — |
Median of the years shown; P/E years above 200x are left out.
This formula has no meaning here — usually a loss, negative cash flow, or a missing input.
The average of the method families that answered, not of the seven numbers: four of the seven start from the same earnings per share.
5 methods answered, across 3 families.
Room for errors in the reported numbers.
+5.4% from the average.
Models, not forecasts, and not investment advice. How each formula works →
| 11.1x |
| 0.8x |
| 3.51% |
| 6.34% |
| $1.2B |
| CCECCapital Clean Energy Carriers Corp. | $20.41 | 12.3x | 0.8x | 2.94% | 6.59% | $1.23B |
| ROCKGibraltar Industries Inc | $39.27 | 19.2x | 1.3x | 0.00% | 6.24% | $1.16B |