DIMENSIONAL FUND ADVISORS LP
Position in AMSC — American Superconductor Corp /De/
CIK 354204
AUSTIN, TX
Position in AMSC
as of Jun 30, 2026
· filed Aug 11, 2026
Position Value
$26,815,085
+$4,531,734 QoQ
Shares Held
645,991
-1.9% QoQ
Ownership
1.33%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#15
of 276 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 90%
Shared 6%
None 3%
Common Shares in AMSC Over Time
Shares Held
Position Value (USD)
Position in Specialty Industrial Machinery
Industrials · as of Jun 30, 2026DIMENSIONAL FUND ADVISORS LP holds $10,217,705,000 across 55 Specialty Industrial Machinery names. AMSC ranks #42 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CMI |
Cummins Inc
|
1,240,206 | $884,527,319 | |
| 2 | GEV |
GE Vernova Inc.
|
616,399 | $724,182,527 | |
| 3 | EMR |
Emerson Electric Co
|
4,270,506 | $611,322,932 | |
| 4 | ITW |
Illinois Tool Works Inc
|
2,228,668 | $602,787,832 | |
| 5 | ETN |
Eaton Corp plc
|
1,200,251 | $511,450,953 | |
| 6 | AME |
Ametek Inc/
|
2,110,807 | $510,688,644 | |
| 7 | RRX |
Regal Rexnord Corp
|
2,018,711 | $480,836,771 | |
| 8 | PH |
Parker-Hannifin Corp
|
467,373 | $457,146,875 |
All Filings in AMSC
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $26,815,085 | 645,991 | Shares | Sole | 2026-08-11 | |
| 2026-03-31 | $22,283,351 | 658,297 | Shares | Sole | 2026-05-07 | |
| 2025-12-31 | $15,548,479 | 540,253 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $28,001,432 | 471,484 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $17,638,826 | 480,753 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $12,120,275 | 668,152 | Shares | Sole | 2025-05-13 | |
| 2024-12-31 | $16,115,384 | 654,299 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $14,347,500 | 607,945 | Shares | Sole | 2024-11-07 | |
| 2024-06-30 | $12,448,530 | 532,216 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $7,843,188 | 580,547 | Shares | Sole | 2024-05-10 | |
| 2023-12-31 | $7,616,394 | 683,698 | Shares | Sole | 2024-02-07 | |
| 2023-09-30 | $5,225,302 | 692,093 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $3,722,325 | 594,621 | Shares | Sole | 2023-08-09 | |
| 2023-03-31 | $2,481,468 | 505,391 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $1,697,406 | 461,252 | Shares | Sole | 2023-02-09 | |
| 2022-09-30 | $1,543,174 | 352,323 | Shares | Sole | 2022-11-10 | |
| 2022-06-30 | $1,769,828 | 341,666 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $2,426,714 | 318,885 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $2,555,722 | 234,901 | Shares | Defined | 2022-02-09 | |
| 2021-09-30 | $3,242,314 | 222,381 | Shares | Defined | 2021-11-12 | |
| 2021-06-30 | $4,095,101 | 235,486 | Shares | Defined | 2021-08-12 | |
| 2021-03-31 | $4,614,864 | 243,400 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $5,403,649 | 230,728 | Shares | Defined | 2021-03-08 | |
| 2020-09-30 | $2,899,808 | 200,263 | Shares | Defined | 2020-11-12 | |
| 2020-06-30 | $1,596,853 | 196,415 | Shares | Defined | 2020-08-13 | |
| 2020-03-31 | $1,268,072 | 231,400 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||