HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
PensionPosition in WDC — Western Digital Corp
CIK 1535845
TORONTO, A6
Position in WDC
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$268,003,079
+$188,705,961 QoQ
Shares Held
419,594
+43.1% QoQ
Ownership
0.116%
of shares outstanding
% of Portfolio
0.46%
of 13F equity value
Holder Rank
#83
of 1,836 holders
Holding Since
Mar 2020
21 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, 2026HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND holds $876,662,794 across 7 Computer Hardware names. WDC ranks #1 (30.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | WDC |
Western Digital Corp
This page
|
419,594 | $268,003,079 | |
| 2 | STX |
Seagate Technology Holdings plc
|
250,187 | $241,430,455 | |
| 3 | ANET |
Arista Networks, Inc.
|
994,554 | $168,954,833 | |
| 4 | SNDK |
Sandisk Corp
|
43,283 | $98,413,855 | |
| 5 | SMCI |
Super Micro Computer, Inc.
|
2,635,196 | $77,290,298 | |
| 6 | HPQ |
Hp Inc
|
660,177 | $14,484,283 | |
| 7 | DELL |
Dell Technologies Inc.
|
18,741 | $8,085,991 |
All Filings in WDC
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21 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $268,003,079 | 419,594 | Shares | Sole | 2026-08-13 | |
| 2026-03-31 | $79,297,118 | 293,161 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $25,358,144 | 147,200 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $54,691,412 | 455,534 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $41,063,470 | 641,717 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $10,408,582 | 257,447 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $24,812,039 | 416,100 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $17,953,428 | 262,900 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $3,032,924 | 40,028 | Shares | Sole | 2024-09-20 | |
| 2023-12-31 | $16,795,068 | 320,700 | Shares | Sole | 2024-03-21 | |
| 2023-06-30 | $2,139,252 | 56,400 | Shares | Sole | 2023-08-11 | |
| 2022-12-31 | $686,748 | 21,767 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $498,015 | 15,300 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $2,954,296 | 65,900 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $57,494 | 1,158 | Shares | Sole | 2022-05-12 | |
| 2021-09-30 | $1,396,155 | 24,737 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $3,873,853 | 54,431 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $7,669,572 | 114,900 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $2,193,445 | 39,600 | Shares | Sole | 2021-03-01 | |
| 2020-09-30 | $1,443,724 | 39,500 | Shares | Sole | 2021-03-01 | |
| 2020-03-31 | $528,573 | 12,700 | Shares | Sole | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||