Cornerstone Investment Partners, LLC
Position in AMSC — American Superconductor Corp /De/
CIK 1328062
ATLANTA, GA
Position in AMSC
as of Mar 31, 2026
· filed May 8, 2026
Position Value
$270,867
-$91,530 QoQ
Shares Held
8,002
+31.1% QoQ
Ownership
0.017%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2025
3 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in AMSC Over Time
Shares Held
Position Value (USD)
Position in Specialty Industrial Machinery
Industrials · as of Mar 31, 2026Cornerstone Investment Partners, LLC holds $53,725,122 across 6 Specialty Industrial Machinery names. AMSC ranks #5 (0.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CMI |
Cummins Inc
|
96,257 | $51,788,191 | |
| 2 | MWA |
Mueller Water Products, Inc.
|
24,209 | $665,505 | |
| 3 | GHM |
Graham Corp
|
5,226 | $412,435 | |
| 4 | CSW |
Csw Industrials, Inc.
|
1,250 | $325,725 | |
| 5 | AMSC |
American Superconductor Corp /De/
This page
|
8,002 | $270,867 | |
| 6 | KRNT |
Kornit Digital Ltd.
|
17,899 | $262,399 |
All Filings in AMSC
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $270,867 | 8,002 | Shares | Sole | 2026-05-08 | |
| 2025-09-30 | $362,397 | 6,102 | Shares | Sole | 2025-11-06 | |
| 2025-06-30 | $244,612 | 6,667 | Shares | Sole | 2025-08-06 | |
| No filing history on record for this holder in this stock. | ||||||