HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
PensionPosition in WDC — Western Digital Corp
CIK 1535845
TORONTO, A6
Position in WDC
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$79,297,118
+$53,938,974 QoQ
Shares Held
293,161
+99.2% QoQ
Ownership
0.085%
of shares outstanding
% of Portfolio
0.16%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
20 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, 2026HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND holds $308,006,761 across 7 Computer Hardware names. WDC ranks #2 (25.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | STX |
Seagate Technology Holdings plc
|
261,845 | $102,580,397 | |
| 2 | WDC |
Western Digital Corp
This page
|
293,161 | $79,297,118 | |
| 3 | SNDK |
Sandisk Corp
|
84,124 | $53,447,342 | |
| 4 | DELL |
Dell Technologies Inc.
|
224,671 | $36,875,251 | |
| 5 | HPQ |
Hp Inc
|
1,154,680 | $22,181,402 | |
| 6 | ANET |
Arista Networks, Inc.
|
93,773 | $11,513,448 | |
| 7 | SMCI |
Super Micro Computer, Inc.
|
92,745 | $2,111,803 |
All Filings in WDC
Export CSV
20 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 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 | $18,754,375 | 416,100 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $13,570,240 | 262,900 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $2,292,459 | 40,028 | Shares | Sole | 2024-09-20 | |
| 2023-12-31 | $12,694,685 | 320,700 | Shares | Sole | 2024-03-21 | |
| 2023-06-30 | $1,616,971 | 56,400 | Shares | Sole | 2023-08-11 | |
| 2022-12-31 | $519,084 | 21,767 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $376,428 | 15,300 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $2,233,028 | 65,900 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $43,457 | 1,158 | Shares | Sole | 2022-05-12 | |
| 2021-09-30 | $1,055,295 | 24,737 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $2,928,082 | 54,431 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $5,797,107 | 114,900 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $1,657,933 | 39,600 | Shares | Sole | 2021-03-01 | |
| 2020-09-30 | $1,091,250 | 39,500 | Shares | Sole | 2021-03-01 | |
| 2020-03-31 | $399,526 | 12,700 | Shares | Sole | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||