Position in WDC
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$329,860,556
+$173,731,024 QoQ
Shares Held
516,440
-10.5% QoQ
Ownership
0.143%
of shares outstanding
% of Portfolio
0.20%
of 13F equity value
Holder Rank
#76
of 1,846 holders
Holding Since
Mar 2020
26 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 Jun 30, 2026PRIMECAP MANAGEMENT CO/CA/ holds $1,226,330,245 across 6 Computer Hardware names. WDC ranks #2 (26.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | HPQ |
Hp Inc
|
24,885,325 | $545,984,030 | |
| 2 | WDC |
Western Digital Corp
This page
|
516,440 | $329,860,556 | |
| 3 | STX |
Seagate Technology Holdings plc
|
188,777 | $182,169,805 | |
| 4 | DELL |
Dell Technologies Inc.
|
381,700 | $164,688,282 | |
| 5 | ANET |
Arista Networks, Inc.
|
16,000 | $2,718,080 | |
| 6 | SNDK |
Sandisk Corp
|
400 | $909,492 |
All Filings in WDC
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $329,860,556 | 516,440 | Shares | Sole | 2026-08-14 | |
| 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 | $69,088,202 | 1,158,615 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $79,314,340 | 1,161,435 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $90,630,465 | 1,196,125 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $87,066,524 | 1,275,888 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $80,786,425 | 1,542,608 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $104,007,619 | 2,279,369 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $86,745,029 | 2,286,976 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $90,976,018 | 2,415,076 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $84,983,146 | 2,693,604 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $85,393,515 | 2,623,454 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $102,731,457 | 2,291,579 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $102,259,514 | 2,059,610 | Shares | Sole | 2022-05-11 | |
| 2021-12-31 | $131,068,660 | 2,009,947 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $101,460,278 | 1,797,667 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $112,407,805 | 1,579,427 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $105,964,726 | 1,587,487 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $86,757,808 | 1,566,307 | Shares | Sole | 2021-02-08 | |
| 2020-09-30 | $47,836,885 | 1,308,807 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $26,132,673 | 591,907 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $20,274,638 | 487,137 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||