CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
PensionPosition in WDC — Western Digital Corp
CIK 1081019
WEST SACRAMENTO, CA
Position in WDC
as of Mar 31, 2026
· filed May 18, 2026
Position Value
$141,854,693
+$48,049,544 QoQ
Shares Held
524,436
-3.7% QoQ
Ownership
0.145%
of shares outstanding
% of Portfolio
0.15%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
22 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in WDC Over Time
Shares Held
Position Value (USD)
Position in Computer Hardware
Technology · as of Mar 31, 2026CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $743,462,865 across 15 Computer Hardware names. WDC ranks #2 (19.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ANET |
Arista Networks, Inc.
|
1,591,318 | $195,382,024 | |
| 2 | WDC |
Western Digital Corp
This page
|
524,436 | $141,854,693 | |
| 3 | STX |
Seagate Technology Holdings plc
|
307,293 | $120,385,105 | |
| 4 | SNDK |
Sandisk Corp
|
161,778 | $102,784,034 | |
| 5 | DELL |
Dell Technologies Inc.
|
481,567 | $79,039,591 | |
| 6 | HPQ |
Hp Inc
|
1,579,379 | $30,339,870 | |
| 7 | P |
Everpure, Inc.
|
478,068 | $28,225,134 | |
| 8 | SMCI |
Super Micro Computer, Inc.
|
812,897 | $18,509,664 |
All Filings in WDC
Export CSV
22 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $141,854,693 | 524,436 | Shares | Sole | 2026-05-18 | |
| 2025-12-31 | $93,805,149 | 544,524 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $61,788,038 | 514,643 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $31,304,931 | 489,216 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $20,042,606 | 495,736 | Shares | Sole | 2025-05-15 | |
| 2024-03-31 | $33,371,788 | 489,036 | Shares | Sole | 2024-05-16 | |
| 2023-12-31 | $25,844,137 | 493,491 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $22,919,267 | 502,285 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $19,700,772 | 519,398 | Shares | Sole | 2023-08-21 | |
| 2023-03-31 | $19,766,338 | 524,723 | Shares | Sole | 2023-05-09 | |
| 2022-12-31 | $16,593,458 | 525,942 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $16,940,860 | 520,456 | Shares | Sole | 2022-11-21 | |
| 2022-06-30 | $24,585,302 | 548,412 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $27,111,151 | 546,046 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $37,419,328 | 573,828 | Shares | Sole | 2022-02-15 | |
| 2021-09-30 | $31,600,120 | 559,889 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $38,791,559 | 545,055 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $37,453,881 | 561,107 | Shares | Sole | 2021-05-18 | |
| 2020-12-31 | $30,755,763 | 555,258 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $20,308,235 | 555,629 | Shares | Sole | 2020-11-17 | |
| 2020-06-30 | $23,966,676 | 542,847 | Shares | Sole | 2020-08-17 | |
| 2020-03-31 | $22,060,135 | 530,037 | Shares | Sole | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||