Stephens Investment Management Group LLC
Position in AMSC — American Superconductor Corp /De/
CIK 1314440
LITTLE ROCK, AR
Position in AMSC
as of Jun 30, 2026
· filed Jul 29, 2026
Position Value
$16,718,650
+$6,275,418 QoQ
Shares Held
402,762
+30.5% QoQ
Ownership
0.831%
of shares outstanding
% of Portfolio
0.18%
of 13F equity value
Holder Rank
#23
of 276 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority
Sole 0%
Shared 85%
None 15%
Common Shares in AMSC Over Time
Shares Held
Position Value (USD)
Position in Specialty Industrial Machinery
Industrials · as of Jun 30, 2026Stephens Investment Management Group LLC holds $253,048,872 across 5 Specialty Industrial Machinery names. AMSC ranks #5 (6.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | GNRC |
Generac Holdings Inc.
|
314,253 | $92,016,420 | |
| 2 | ROK |
Rockwell Automation, Inc
|
181,002 | $89,610,470 | |
| 3 | MIR |
Mirion Technologies, Inc.
|
1,678,373 | $30,093,227 | |
| 4 | KRNT |
Kornit Digital Ltd.
|
1,514,468 | $24,610,105 | |
| 5 | AMSC |
American Superconductor Corp /De/
This page
|
402,762 | $16,718,650 |
All Filings in AMSC
Export CSV
4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $16,718,650 | 402,762 | Shares | Defined | 2026-07-29 | |
| 2026-03-31 | $10,443,232 | 308,515 | Shares | Defined | 2026-04-28 | |
| 2025-12-31 | $5,014,281 | 174,228 | Shares | Defined | 2026-02-05 | |
| 2025-09-30 | $4,033,234 | 67,911 | Shares | Defined | 2025-10-28 | |
| No filing history on record for this holder in this stock. | ||||||