American Superconductor
AMSC
245 hedge funds and large institutions have $1.12B invested in American Superconductor in 2026 Q1 according to their latest regulatory filings, with 55 funds opening new positions, 100 increasing their positions, 61 reducing their positions, and 44 closing their positions.
64% more repeat investments, than reductions
Existing positions increased: 100 | Existing positions reduced: 61
35% more call options, than puts
Call options by funds: $28.2M | Put options by funds: $20.8M
25% more first-time investments, than exits
New positions opened: 55 | Existing positions closed: 44
18% more capital invested
Capital invested by funds: $953M → $1.12B (+$169M)
2% more funds holding
Funds holding: 240 → 245 (+5)
3.5% less ownership
Funds ownership: 73.2% → 69.7% (-3.5%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Barrow, Hanley, Mewhinney & Strauss
Dallas,
Texas
|
+$36M |
| 2 |
HRCM
Hood River Capital Management
Palm Beach Gardens,
Florida
|
+$12.6M |
| 3 |
BNP Paribas Financial Markets
Paris,
France
|
+$11.2M |
| 4 |
PCM
Portolan Capital Management
Boston,
Massachusetts
|
+$9.33M |
| 5 |
Legal & General Group
London,
United Kingdom
|
+$7.96M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AM
Atreides Management
Boston,
Massachusetts
|
-$30.1M |
| 2 |
DCM
Driehaus Capital Management
Chicago,
Illinois
|
-$14.4M |
| 3 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
-$8.51M |
| 4 |
Tudor Investment Corp
Stamford,
Connecticut
|
-$7.94M |
| 5 |
Jane Street
New York
|
-$7.66M |
AMSC Hedge Fund Activity: Q1 2026 in Review
245 of the 8,187 institutional investors tracked by Wall St. Rank reported a position in American Superconductor (AMSC) for Q1 2026, worth a combined $1.12B — up 18% from $953M a quarter earlier.
Buyers outnumbered sellers: 55 funds opened new AMSC positions and 44 closed out — a net gain of 11 holders — while 100 added to existing stakes and 61 trimmed.
The largest buyer was Barrow, Hanley, Mewhinney & Strauss, opening a new position worth an estimated $36M. The largest seller was Atreides Management, exiting entirely with an estimated $30.1M sold.
- 245 institutional investors held American Superconductor (AMSC) as of Q1 2026, up from 240 in Q4 2025.
- Funds reported $1.12B of American Superconductor stock for Q1 2026, up 18% quarter-over-quarter.
- 55 funds opened new American Superconductor positions in Q1 2026 and 44 closed out, a net change of +11 holders.
- The largest American Superconductor buyer in Q1 2026 was Barrow, Hanley, Mewhinney & Strauss, an estimated $36M added.
- The largest American Superconductor seller in Q1 2026 was Atreides Management, an estimated $30.1M sold.
Based on aggregated 13F filings for Q1 2026.