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AMSC·AMERICAN SUPERCONDUCTOR CORP
Borderline · AI-adjacentData as of 2026-08-27
Holder Count
14 / 100
14 of 100 tracked investors hold AMSC
Aggregate $
$101M
13F longs + subsequent 13G/D block filings, deduped
Share of AI Universe
0.0%
Share of aggregated AI exposure across 100 investors
Latest quarter · 2026-Q2
Exited
No Exited this quarter
—Holders
Sorted by position $ (largest first); click headers to re-sort| Investor | Position $↓ | % of AI Exposure | Latest 13F Action | Entry Quarter |
|---|---|---|---|---|
 Baillie Gifford & Co Baillie Gifford & Co | $39M | 0.1% | TRIM2026-Q2 | Before 2020-Q1 |
 David Shaw / D.E. Shaw D. E. Shaw & Co., Inc. | $15M | 0.0% | TRIM2026-Q2 | Before 2020-Q1 |
 T. Rowe Price Associates T. Rowe Price Associates, Inc. | $14M | 0.0% | ADD2026-Q2 | Before 2020-Q1 |
 Cliff Asness / AQR Capital AQR Capital Management LLC | $8M | 0.0% | ADD2026-Q2 | Before 2020-Q1 |
 Izzy Englander / Millennium Millennium Management LLC | $4M | 0.0% | HOLD2026-Q2 | Before 2020-Q1 |
 Brandon Haley / Holocene Advisors Holocene Advisors LP | $4M | 0.0% | ADD2026-Q2 | Before 2020-Q1 |
 John Overdeck / David Siegel / Two Sigma Two Sigma Investments, LP | $4M | 0.0% | TRIM2026-Q2 | Before 2020-Q1 |
 Wellington Management Wellington Management Group LLP | $4M | 0.0% | NEW2026-Q2 | Before 2020-Q1 |
 Dmitry Balyasny / Balyasny Asset Management Balyasny Asset Management LLC | $3M | 0.0% | TRIM2026-Q2 | Before 2020-Q1 |
 Steve Cohen / Point72 Point72 Asset Management, L.P. | $2M | 0.0% | ADD2025-Q4 | Before 2020-Q1 |
 Paul Marshall / Marshall Wace Marshall Wace, LLP | $2M | 0.0% | NEW2026-Q2 | Before 2020-Q1 |
 Man Group plc Man Group plc | $1M | 0.0% | ADD2025-Q4 | Before 2020-Q1 |
 Ken Griffin / Citadel Citadel LLC | $852117 | 0.0% | TRIM2026-Q2 | Before 2020-Q1 |
 Canada Pension Plan Investment Board Canada Pension Plan Investment Board | $514520 | 0.0% | HOLD2026-Q1 | Before 2020-Q1 |
Position Action Log
97 entries · newest first| Date | Investor | Action | Δ $ | Δ Shares |
|---|---|---|---|---|
| 2026-Q2 | ADD | +$2M | +9.7K | |
| 2026-Q2 | EXIT | −$0 | +0 | |
| 2026-Q2 | EXIT | −$3M | −100.8K | |
| 2026-Q2 | TRIM | −$10M | −514.1K | |
| 2026-Q2 | TRIM | −$2M | −75.3K | |
| 2026-Q2 | TRIM | −$6M | −196.2K | |
| 2026-Q2 | TRIM | −$4M | −200.7K | |
| 2026-Q2 | ADD | +$4M | +83.6K | |
| 2026-Q2 | NEW | +$2M | +53.3K | |
| 2026-Q2 | TRIM | −$744K | −814 | |
| 2026-Q2 | EXIT | −$0 | +0 | |
| 2026-Q2 | ADD | +$12M | +285.3K | |
| 2026-Q2 | TRIM | −$2M | −78.7K | |
| 2026-Q2 | NEW | +$4M | +85.2K | |
| 2026-Q1 | ADD | +$2M | +38.8K | |
| 2026-Q1 | EXIT | −$0 | +0 | |
| 2026-Q1 | NEW | +$49M | +1.45M | |
| 2026-Q1 | TRIM | −$482K | −8.7K | |
| 2026-Q1 | ADD | +$6M | +124.4K | |
| 2026-Q1 | NEW | +$411K | +12.1K | |
| 2026-Q1 | TRIM | −$1M | −311.2K | |
| 2026-Q1 | EXIT | −$678K | −23.6K | |
| 2026-Q1 | TRIM | −$6M | −216.2K | |
| 2025-Q4 | TRIM | −$6M | −22.8K | |
| 2025-Q4 | EXIT | −$46M | −771.5K | |
| 2025-Q4 | EXIT | −$85M | −1.43M | |
| 2025-Q4 | NEW | +$4M | +152.8K | |
| 2025-Q4 | TRIM | −$32M | −309.6K | |
| 2025-Q4 | ADD | +$82K | +20.0K | |
| 2025-Q4 | ADD | +$256K | +44.2K | |
| 2025-Q4 | TRIM | −$2M | −23.7K | |
| 2025-Q4 | TRIM | −$16M | −121.5K | |
| 2025-Q3 | TRIM | −$4M | −139 | |
| 2025-Q3 | TRIM | −$5M | −333.0K | |
| 2025-Q3 | TRIM | −$31M | −25.3K | |
| 2025-Q3 | EXIT | −$3M | −75.3K | |
| 2025-Q3 | ADD | +$40M | +619.1K | |
| 2025-Q3 | TRIM | −$263K | −2.8K | |
| 2025-Q3 | TRIM | −$298K | −12.4K | |
| 2025-Q3 | ADD | +$1M | +70 | |
| 2025-Q3 | ADD | +$23M | +368.5K | |
| 2025-Q2 | TRIM | −$2M | −42.3K | |
| 2025-Q2 | ADD | +$26M | +280.4K | |
| 2025-Q2 | TRIM | −$26M | −66.2K | |
| 2025-Q2 | ADD | +$2M | +53.1K | |
| 2025-Q2 | ADD | +$4M | +58.7K | |
| 2025-Q2 | ADD | +$468K | +6.5K | |
| 2025-Q2 | ADD | +$905K | +3.2K | |
| 2025-Q2 | NEW | +$2M | +47.2K | |
| 2025-Q2 | ADD | +$581K | +3.6K | |
| 2025-Q1 | TRIM | −$2M | −45.1K | |
| 2025-Q1 | NEW | +$15M | +824.0K | |
| 2025-Q1 | TRIM | −$13M | −130.9K | |
| 2025-Q1 | TRIM | −$5M | −216.8K | |
| 2025-Q1 | TRIM | −$5M | −177.2K | |
| 2025-Q1 | ADD | +$72K | +367 | |
| 2025-Q1 | NEW | +$770K | +42.4K | |
| 2025-Q1 | ADD | +$116K | +1.7K | |
| 2024-Q4 | ADD | +$4M | +151.0K | |
| 2024-Q4 | TRIM | −$9M | −456.6K | |
| 2024-Q4 | NEW | +$6M | +239.0K | |
| 2024-Q4 | TRIM | −$231K | −1.2K | |
| 2024-Q4 | TRIM | −$511K | −22.2K | |
| 2024-Q4 | ADD | +$73K | +2.1K | |
| 2024-Q3 | NEW | +$2M | +105.2K | |
| 2024-Q3 | TRIM | −$2M | −107.7K | |
| 2024-Q3 | TRIM | −$9M | −396.8K | |
| 2024-Q3 | ADD | +$500K | +21.1K | |
| 2024-Q3 | TRIM | −$166K | −7.3K | |
| 2024-Q2 | TRIM | −$18M | −312.5K | |
| 2024-Q2 | EXIT | −$705K | −52.1K | |
| 2024-Q2 | ADD | +$11M | +362.1K | |
| 2024-Q2 | TRIM | −$846K | −72.3K | |
| 2024-Q2 | ADD | +$429K | +16.8K | |
| 2024-Q2 | ADD | +$421K | +10.9K | |
| 2024-Q1 | ADD | +$11M | +440.3K | |
| 2024-Q1 | TRIM | −$566K | −61.9K | |
| 2024-Q1 | TRIM | −$961K | −147.5K | |
| 2024-Q1 | ADD | +$450K | +22.2K | |
| 2024-Q1 | NEW | +$50K | +3.7K | |
| 2023-Q4 | ADD | +$12M | +594.9K | |
| 2023-Q4 | NEW | +$1M | +114.0K | |
| 2023-Q4 | ADD | +$2M | +61.6K | |
| 2023-Q4 | NEW | +$705K | +63.2K | |
| 2023-Q4 | NEW | +$1M | +105.9K | |
| 2023-Q4 | TRIM | −$566K | −121.3K | |
| 2023-Q3 | ADD | +$690K | +33.1K | |
| 2023-Q3 | ADD | +$2M | +276.9K | |
| 2023-Q3 | TRIM | −$100K | −19.5K | |
| 2023-Q2 | ADD | +$475K | +3.0K | |
| 2023-Q2 | EXIT | −$73K | −14.8K | |
| 2023-Q2 | NEW | +$186K | +29.8K | |
| 2021-Q3 | ADD | +$505K | +212.0K | |
| 2021-Q2 | ADD | +$223K | +117.7K | |
| 2021-Q1 | ADD | +$7M | +511.4K | |
| 2020-Q4 | ADD | +$8M | +133.0K | |
| 2020-Q3 | NEW | +$7M | +517.3K |
