NASDAQ:AMSC
American Superconductor Corporation
- Stock
Institutional trades
Institutional Ownership
Current holdings institutionals
| Filer | Shares | Latest Filing Date | Previously owned | Change | Share-Type | Market Value |
|---|---|---|---|---|---|---|
2.02M | 2021-05-07 | 1.86M | 156.57K | Shares | 38.31M | |
1.76M | 2021-05-17 | 1.90M | -134.87K | Shares | 33.38M | |
1.19M | 2021-05-14 | 1.15M | 42.38K | Shares | 22.58M | |
1.16M | 2021-05-06 | 650.30K | 511.40K | Shares | 22.03M | |
960.91K | 2021-07-09 | 881.05K | 79.86K | Shares | 18.22M | |
854.53K | 2021-05-13 | 1.27M | -414.14K | Shares | 16.20M | |
732.60K | 2021-05-05 | 730.48K | 2.12K | Shares | 13.89M | |
616.48K | 2021-05-13 | 916.98K | -300.50K | Shares | 11.69M | |
556.57K | 2021-05-10 | 624.57K | -68K | Shares | 10.55M | |
460K | 2021-05-12 | 470K | -10K | Shares | 8.72M | |
424.58K | 2021-05-12 | 412.68K | 11.90K | Shares | 8.05M | |
350K | 2023-08-04 | 350K | 0 | Shares | 2.19M | |
323.99K | 2021-05-14 | 250.98K | 73.00K | Shares | 6.14M | |
311.87K | 2021-05-13 | 56.43K | 255.44K | Shares | 5.91M | |
276.15K | 2021-04-29 | 279.31K | -3.16K | Shares | 5.24M | |
254.69K | 2021-05-12 | 276.37K | -21.68K | Shares | 4.83M | |
243.76K | 2021-05-07 | 180.98K | 62.78K | Shares | 4.62M | |
243.40K | 2021-05-14 | 230.73K | 12.67K | Shares | 4.61M | |
222.86K | 2021-05-10 | 32.17K | 190.69K | Shares | 4.22M | |
187.71K | 2021-05-12 | 91.86K | 95.85K | Shares | 3.56M | |
180.43K | 2021-05-17 | 162.20K | 18.23K | Shares | 3.42M | |
155K | 2021-05-17 | 240K | -85K | Shares | 2.94M | |
135.27K | 2021-04-12 | 43K | 92.27K | Shares | 2.56M | |
131.73K | 2021-05-17 | 34.58K | 97.15K | Shares | 2.50M | |
128.58K | 2021-05-13 | 25.50K | 103.08K | Shares | 2.44M | |
124.70K | 2021-05-13 | 124.28K | 423 | Shares | 2.36M | |
114.80K | 2022-02-14 | 112.36K | 2.44K | Shares | 933K | |
114.25K | 2021-05-17 | 94.51K | 19.73K | Shares | 2.68M | |
113.26K | 2021-05-12 | 0 | 113.26K | Shares | 2.15M | |
112.81K | 2021-04-27 | 8.36K | 104.46K | Shares | 4.64M | |
108.07K | 2021-05-13 | 0 | 108.07K | Shares | 2.05M | |
101.82K | 2021-05-17 | 65.32K | 36.50K | Shares | 1.93M | |
83.40K | 2021-05-18 | 22.29K | 61.11K | Shares | 1.58M | |
76.17K | 2021-05-13 | 18.89K | 57.29K | Shares | 1.45M | |
75.66K | 2021-05-17 | 174.09K | -98.43K | Shares | 1.43M | |
75K | 2021-05-14 | 75K | 0 | Shares | 1.42M | |
74.70K | 2021-05-21 | 57.50K | 17.20K | PUT | 1.42M | |
72.93K | 2021-05-17 | 43.27K | 29.66K | Shares | 1.38M | |
69.11K | 2021-05-13 | 102.48K | -33.36K | Shares | 1.32M | |
66.56K | 2021-05-17 | 65.49K | 1.08K | Shares | 1.26M | |
65.70K | 2021-05-14 | 168.80K | -103.10K | PUT | 1.25M | |
62.66K | 2023-08-11 | 62.66K | 0 | Shares | 392.26K | |
59.27K | 2021-05-11 | 0 | 59.27K | Shares | 1.12M | |
49.27K | 2021-05-17 | 28.08K | 21.19K | Shares | 934K | |
45.70K | 2021-05-14 | 52.33K | -6.63K | Shares | 866K | |
45.33K | 2021-05-14 | 19.03K | 26.30K | Shares | 859K | |
44.68K | 2023-07-14 | 21.18K | 23.49K | Shares | 279.68K | |
40.82K | 2021-05-17 | 0 | 40.82K | Shares | 773K | |
40.59K | 2021-05-18 | 40.71K | -123 | Shares | 770K | |
37.64K | 2021-05-06 | 38.72K | -1.07K | Shares | 714K | |
35.50K | 2021-04-23 | 27K | 8.50K | Shares | 673K | |
31.99K | 2021-05-12 | 20.83K | 11.16K | Shares | 607K | |
30.39K | 2021-05-13 | 12.99K | 17.39K | Shares | 577K | |
27.41K | 2021-05-17 | 13.59K | 13.82K | Shares | 520K | |
27.18K | 2021-05-07 | 28.63K | -1.45K | Shares | 515K | |
26.47K | 2021-07-20 | 33.34K | -6.87K | Shares | 502K | |
24.70K | 2021-05-11 | 22K | 2.70K | Shares | 468K | |
23.67K | 2021-05-17 | 0 | 23.67K | Shares | 449K | |
23.67K | 2021-05-14 | 0 | 23.67K | Shares | 449K | |
22.55K | 2021-05-03 | 22.55K | 0 | Shares | 428K | |
20.95K | 2021-05-17 | 49.99K | -29.04K | Shares | 397K | |
19.40K | 2021-04-26 | 1.50K | 17.90K | PUT | 7K | |
17.98K | 2021-05-14 | 0 | 17.98K | Shares | 341K | |
17.74K | 2021-05-17 | 0 | 17.74K | Shares | 337K | |
16.80K | 2021-05-17 | 14.90K | 1.90K | Shares | 319K | |
16.60K | 2021-05-14 | 14.90K | 1.70K | PUT | 303K | |
15.78K | 2021-05-17 | 17.18K | -1.40K | Shares | 299K | |
15.69K | 2021-05-07 | 15.65K | 41 | Shares | 297K | |
15.58K | 2021-05-03 | 16.52K | -933 | Shares | 295K | |
15.08K | 2021-04-29 | 25.95K | -10.86K | Shares | 286K | |
14.40K | 2021-05-03 | 0 | 14.40K | Shares | 273K | |
14.37K | 2023-07-31 | 14.37K | 0 | Shares | 90K | |
12.84K | 2021-05-17 | 0 | 12.84K | Shares | 243K | |
12.68K | 2021-05-19 | 10.03K | 2.65K | Shares | 240K | |
12.22K | 2021-05-07 | 6.85K | 5.37K | Shares | 231.79K | |
11.78K | 2021-05-17 | 9.80K | 1.97K | Shares | 223K | |
11.54K | 2021-05-14 | 0 | 11.54K | Shares | 219K | |
11.28K | 2021-05-17 | 0 | 11.28K | Shares | 214K | |
10.83K | 2023-06-26 | 10.83K | 0 | Shares | 205.34K | |
10.45K | 2021-05-13 | 82.43K | -71.98K | Shares | 198K | |
7.55K | 2021-05-04 | 0 | 7.55K | Shares | 143K | |
7.30K | 2021-05-17 | 12.30K | -5K | PUT | 138K | |
7.20K | 2021-05-17 | 0 | 7.20K | Shares | 137K | |
7.13K | 2023-06-26 | 0 | 7.13K | Shares | 103.29K | |
6.85K | 2021-05-14 | 6.85K | 0 | Shares | 129K | |
6.62K | 2021-05-17 | 5.60K | 1.02K | Shares | 126K | |
6.50K | 2021-05-14 | 6.50K | 0 | Shares | 123K | |
5.50K | 2021-04-14 | 5.50K | 0 | Shares | 104K | |
5.50K | 2021-05-17 | 0 | 5.50K | Shares | 104K | |
2.25K | 2021-05-14 | 2.25K | 0 | Shares | 43K | |
2.24K | 2021-05-17 | 2.24K | 0 | Shares | 42K | |
1.78K | 2021-05-13 | 438.72K | -436.93K | Shares | 34K | |
1.73K | 2021-04-29 | 1.73K | 0 | Shares | 33K | |
1.61K | 2021-11-12 | 3.10K | -1.49K | Shares | 30K | |
961 | 2021-04-14 | 550 | 411 | Shares | 18K | |
951 | 2021-05-14 | 951 | 0 | Shares | 18K | |
540 | 2021-04-26 | 540 | 0 | Shares | 10K | |
500 | 2021-05-17 | 0 | 500 | Shares | 9K | |
335 | 2021-05-12 | 401 | -66 | Shares | 6K | |
150 | 2021-05-17 | 0 | 150 | Shares | 2.84K |