Who owns AMSC
241 institutions reported holding AMSC for 2026Q1, together 70% of the company, more than the 238 a quarter earlier.
241
Institutions reporting a position · as of 2026Q1 · up from 238 the quarter before
- Shares held by institutions
- 33.2M
Shares held by institutions · 70% of the company · long US equity positions only, as reported on Form 13F
- Reported value
- $1.12B
Reported value · at 2026-03-31 prices, not today's
- Top 5 holders
- 25%
Top 5 holders · of the whole company, between five filers
Details›
- Reporting quarter2026-03-31
- 2026Q1
- Quarters on record
- 52
- New positions
- 47
- Positions exited
- 50
- Added to
- 97
- Reduced
- 58
- Top 10 holdersof the company
- 35%
| Quarter | Filers | Shares | Reported value |
|---|---|---|---|
| 2026Q1 | 241 | 33.2M | $1.12B |
| 2025Q4 | 238 | 33.1M | $953M |
| 2025Q3 | 272 | 32.7M | $1.94B |
| 2025Q2 | 231 | 32.7M | $1.20B |
| 2025Q1 | 189 | 27.5M | $500M |
| 2024Q4 | 189 | 27.2M | $669M |
| 2024Q3 | 171 | 27.2M | $642M |
| 2024Q2 | 155 | 27.2M | $636M |
| 2024Q1 | 128 | 23.1M | $312M |
| 2023Q4 | 99 | 16.0M | $179M |
| 2023Q3 | 72 | 13.2M | $100M |
| 2023Q2 | 77 | 13.1M | $82M |
| 2023Q1 | 73 | 13.1M | $65M |
| 2022Q4 | 76 | 13.1M | $48M |
| 2022Q3 | 82 | 13.9M | $61M |
| 2022Q2 | 92 | 13.2M | $68M |
| Holder | Shares | % of company | Value |
|---|---|---|---|
| VANGUARD GROUP INC | 4.1M | 8.7% | $140M |
| BlackRock Inc. | 4.0M | 8.4% | $135M |
| BAILLIE GIFFORD & CO | 1.4M | 3.0% | $49M |
| STATE STREET CORP | 1.3M | 2.6% | $43M |
| GEODE CAPITAL MANAGEMENT LLC | 1.2M | 2.5% | $40M |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC | 1.1M | 2.4% | $39M |
| Nuveen Asset Management, LLC | 1.0M | 2.1% | $35M |
| OBERWEIS ASSET MANAGEMENT INC/ | 0.8M | 1.8% | $29M |
| AWM Investment Company, Inc. | 0.8M | 1.7% | $27M |
| FIRST TRUST ADVISORS LP | 0.8M | 1.6% | $26M |
SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.
reading the register…
Specialty Industrial Machinery
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