VANGUARD CAPITAL MANAGEMENT LLC
Position in AMSC — American Superconductor Corp /De/
CIK 2100119
MALVERN, PA
Position in AMSC
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$84,440,430
+$15,404,439 QoQ
Shares Held
2,034,219
-0.3% QoQ
Ownership
4.20%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#2
of 278 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in AMSC Over Time
Shares Held
Position Value (USD)
Position in Specialty Industrial Machinery
Industrials · as of Jun 30, 2026VANGUARD CAPITAL MANAGEMENT LLC holds $82,913,928,729 across 65 Specialty Industrial Machinery names. AMSC ranks #40 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | GEV |
GE Vernova Inc.
|
17,552,000 | $20,621,142,720 | |
| 2 | ETN |
Eaton Corp plc
|
25,364,223 | $10,808,202,704 | |
| 3 | PH |
Parker-Hannifin Corp
|
8,234,180 | $8,054,016,141 | |
| 4 | CMI |
Cummins Inc
|
9,010,359 | $6,426,278,142 | |
| 5 | EMR |
Emerson Electric Co
|
36,588,248 | $5,237,607,701 | |
| 6 | ITW |
Illinois Tool Works Inc
|
17,483,266 | $4,728,698,955 | |
| 7 | AME |
Ametek Inc/
|
14,978,776 | $3,623,965,065 | |
| 8 | ROK |
Rockwell Automation, Inc
|
7,270,705 | $3,599,580,631 |
All Filings in AMSC
Export CSV
4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $99,226,541 | 2,390,425 | Shares | Sole | 2026-07-31 | |
| 2026-06-30 | $84,440,430 | 2,034,219 | Shares | Defined | 2026-08-13 | |
| 2026-03-31 | $80,723,313 | 2,384,736 | Shares | Sole | 2026-04-29 | |
| 2026-03-31 | $69,035,991 | 2,039,468 | Shares | Defined | 2026-05-15 | |
| No filing history on record for this holder in this stock. | ||||||