CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
PensionPosition in AMSC — American Superconductor Corp /De/
CIK 1081019
WEST SACRAMENTO, CA
Position in AMSC
as of Mar 31, 2026
· filed May 18, 2026
Position Value
$1,929,991
+$464,773 QoQ
Shares Held
57,016
+12.0% QoQ
Ownership
0.118%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
14 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, 2026CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $1,689,486,417 across 53 Specialty Industrial Machinery names. AMSC ranks #39 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | GEV |
GE Vernova Inc.
|
415,974 | $363,103,704 | |
| 2 | ETN |
Eaton Corp plc
|
596,004 | $213,172,750 | |
| 3 | PH |
Parker-Hannifin Corp
|
190,787 | $170,800,153 | |
| 4 | ITW |
Illinois Tool Works Inc
|
461,654 | $120,163,919 | |
| 5 | CMI |
Cummins Inc
|
206,171 | $110,924,121 | |
| 6 | EMR |
Emerson Electric Co
|
843,493 | $110,514,452 | |
| 7 | AME |
Ametek Inc/
|
387,696 | $83,106,514 | |
| 8 | ROK |
Rockwell Automation, Inc
|
165,962 | $59,560,442 |
All Filings in AMSC
Export CSV
14 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,929,991 | 57,016 | Shares | Sole | 2026-05-18 | |
| 2025-12-31 | $1,465,218 | 50,911 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $3,009,707 | 50,677 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $1,862,714 | 50,769 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $645,040 | 35,559 | Shares | Sole | 2025-05-15 | |
| 2022-03-31 | $91,091 | 11,970 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $162,394 | 14,926 | Shares | Sole | 2022-02-15 | |
| 2021-09-30 | $211,278 | 14,491 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $643,290 | 36,992 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $769,586 | 40,590 | Shares | Sole | 2021-05-18 | |
| 2020-12-31 | $953,498 | 40,713 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $482,184 | 33,300 | Shares | Sole | 2020-11-17 | |
| 2020-06-30 | $252,769 | 31,091 | Shares | Sole | 2020-08-17 | |
| 2020-03-31 | $170,378 | 31,091 | Shares | Sole | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||