Skip to main content

STATE OF WISCONSIN INVESTMENT BOARD

Position in WDC — Western Digital Corp

CIK 854157 MADISON, WI

Position in WDC

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$60,083,943
+$20,984,511 QoQ
Shares Held
222,130
-2.1% QoQ
Ownership
0.064%
of shares outstanding
% of Portfolio
0.16%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 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, 2026

STATE OF WISCONSIN INVESTMENT BOARD holds $313,341,835 across 13 Computer Hardware names. WDC ranks #2 (19.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 WDC
Western Digital Corp
This page
222,130 $60,083,943

All Filings in WDC

Export CSV
25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $60,083,943 222,130
2025-12-31 $39,099,432 226,966
2025-09-30 $23,695,041 197,360
2025-06-30 $12,392,623 193,665
2025-03-31 $12,010,054 297,058
2024-12-31 $13,366,357 296,557
2024-09-30 $12,306,541 238,418
2024-06-30 $10,048,897 175,461
2024-03-31 $9,027,736 175,025
2023-12-31 $9,620,212 243,031
2023-09-30 $6,838,361 198,272
2023-06-30 $4,767,427 166,288
2023-03-31 $4,794,459 168,385
2022-12-31 $4,475,017 187,653
2022-09-30 $6,851,277 278,471
2022-06-30 $7,437,474 219,491
2022-03-31 $8,509,429 226,747
2021-12-31 $11,237,020 227,980
2021-09-30 $13,270,816 311,079
2021-06-30 $12,640,930 234,986
2021-03-31 $10,299,022 204,129
2020-12-31 $7,172,863 171,325
2020-09-30 $7,098,102 256,930
2020-06-30 $15,030,643 450,409
2020-03-31 $34,027,851 1,081,664