Position in WDC
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$156,129,532
+$26,317,197 QoQ
Shares Held
577,210
-23.4% QoQ
Ownership
0.167%
of shares outstanding
% of Portfolio
0.13%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in WDC Over Time
Shares Held
Position Value (USD)
Position in Computer Hardware
Technology · as of Mar 31, 2026PRIMECAP MANAGEMENT CO/CA/ holds $722,505,812 across 6 Computer Hardware names. WDC ranks #2 (21.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | HPQ |
Hp Inc
|
21,469,625 | $412,431,496 | |
| 2 | WDC |
Western Digital Corp
This page
|
577,210 | $156,129,532 | |
| 3 | STX |
Seagate Technology Holdings plc
|
230,332 | $90,234,864 | |
| 4 | DELL |
Dell Technologies Inc.
|
374,650 | $61,491,304 | |
| 5 | ANET |
Arista Networks, Inc.
|
16,000 | $1,964,480 | |
| 6 | SNDK |
Sandisk Corp
|
400 | $254,136 |
All Filings in WDC
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $156,129,532 | 577,210 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $129,812,335 | 753,540 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $115,866,304 | 965,070 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $68,603,039 | 1,072,090 | Shares | Sole | 2025-08-11 | |
| 2025-03-31 | $45,344,468 | 1,121,555 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $52,220,863 | 1,158,615 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $59,950,371 | 1,161,435 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $68,503,753 | 1,196,125 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $65,809,920 | 1,275,888 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $61,063,057 | 1,542,608 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $78,614,980 | 2,279,369 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $65,566,915 | 2,286,976 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $68,764,941 | 2,415,076 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $64,235,182 | 2,693,604 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $64,545,363 | 2,623,454 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $77,650,383 | 2,291,579 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $77,293,661 | 2,059,610 | Shares | Sole | 2022-05-11 | |
| 2021-12-31 | $99,069,282 | 2,009,947 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $76,689,552 | 1,797,667 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $84,964,327 | 1,579,427 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $80,094,275 | 1,587,487 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $65,576,575 | 1,566,307 | Shares | Sole | 2021-02-08 | |
| 2020-09-30 | $36,157,887 | 1,308,807 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $19,752,587 | 591,907 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $15,324,745 | 487,137 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||