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Recent trades from the last 365 days, plus historical signal scoring over 365 days · institutional 13F view →
Buy Trades
0
Sell Trades
0
Buy Value
$0
Sell Value
$0
Historical signal stats are shown once this stock has at least 3 open-market buys or 8 total P/S trades over the last 365 days.
Current sample: 0 buys, 0 sells, 0 open-market trades.
No insider trading activity found for AMSC in the last 365 days.
Insiders' intent to sell, filed before the trade — a leading indicator to the executed Form 4 sales above. All Form 144 notices →
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $170.00M | 0.00% | +2.8% |
| 2 | VANGUARD GROUP INC | $101.50M | 0.00% | +19.6% |
| 3 | STATE STREET CORP | $56.38M | 0.00% | +7.7% |
| 4 | BAILLIE GIFFORD & CO | $38.74M | 0.04% | -35.5% |
| 5 | PRICE T ROWE ASSOCIATES INC /MD/ | $14.27M | 0.00% | +486.7% |
| 6 | AQR CAPITAL MANAGEMENT LLC | $8.07M | 0.00% | +5.3% |
| 7 | MILLENNIUM MANAGEMENT LLC | $4.18M | 0.00% | -0.8% |
| 8 | WELLINGTON MANAGEMENT GROUP LLP | $3.54M | 0.00% | New |
| 9 | TWO SIGMA ADVISERS, LP | $1.36M | 0.00% | +227.1% |
| 10 | CITADEL ADVISORS LLC | $852.12K | 0.00% | -90.5% |
| $603.50K |