Robeco Institutional Asset Management B.V.
Position in WDC — Western Digital Corp
CIK 1418773
ROTTERDAM, P7
Position in WDC
as of Mar 31, 2026
· filed Apr 21, 2026
Position Value
$266,347,445
+$29,174,551 QoQ
Shares Held
984,685
-28.5% QoQ
Ownership
0.286%
of shares outstanding
% of Portfolio
0.39%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 31.916298105485513.ToString("F0")%
Shared 0.ToString("F0")%
None 68.08370189451449.ToString("F0")%
Common Shares in WDC Over Time
Shares Held
Position Value (USD)
Position in Computer Hardware
Technology · as of Mar 31, 2026Robeco Institutional Asset Management B.V. holds $814,606,933 across 8 Computer Hardware names. WDC ranks #2 (32.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ANET |
Arista Networks, Inc.
|
3,910,194 | $480,093,619 | |
| 2 | WDC |
Western Digital Corp
This page
|
984,685 | $266,347,445 | |
| 3 | STX |
Seagate Technology Holdings plc
|
80,144 | $31,397,213 | |
| 4 | HPQ |
Hp Inc
|
952,944 | $18,306,054 | |
| 5 | DELL |
Dell Technologies Inc.
|
56,018 | $9,194,234 | |
| 6 | P |
Everpure, Inc.
|
137,420 | $8,113,276 | |
| 7 | SMCI |
Super Micro Computer, Inc.
|
30,332 | $690,659 | |
| 8 | SNDK |
Sandisk Corp
|
731 | $464,433 |
All Filings in WDC
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $266,347,445 | 984,685 | Shares | Defined | 2026-04-21 | |
| 2025-12-31 | $237,172,894 | 1,376,751 | Shares | Defined | 2026-01-23 | |
| 2025-09-30 | $93,976,724 | 782,748 | Shares | Defined | 2025-10-22 | |
| 2025-06-30 | $23,145,758 | 361,709 | Shares | Defined | 2025-07-18 | |
| 2025-03-31 | $5,093,007 | 125,971 | Shares | Defined | 2025-04-23 | |
| 2024-12-31 | $791,821 | 17,568 | Shares | Defined | 2025-01-23 | |
| 2024-09-30 | $1,362,805 | 26,402 | Shares | Defined | 2024-10-29 | |
| 2024-06-30 | $6,671,774 | 116,494 | Shares | Defined | 2024-07-23 | |
| 2024-03-31 | $2,299,887 | 44,589 | Shares | Defined | 2024-04-24 | |
| 2023-12-31 | $1,481,996 | 37,439 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $614,228 | 17,809 | Shares | Defined | 2023-10-24 | |
| 2023-06-30 | $4,827,232 | 168,374 | Shares | Defined | 2023-07-24 | |
| 2023-03-31 | $7,664,757 | 269,192 | Shares | Defined | 2023-05-04 | |
| 2022-12-31 | $8,992,888 | 377,103 | Shares | Defined | 2023-02-07 | |
| 2022-09-30 | $9,860,568 | 400,784 | Shares | Defined | 2022-12-01 | |
| 2022-06-30 | $7,594,803 | 224,134 | Shares | Defined | 2022-12-01 | |
| 2022-03-31 | $5,414,132 | 144,268 | Shares | Defined | 2022-12-01 | |
| 2021-12-31 | $5,311,091 | 107,753 | Shares | Defined | 2022-12-01 | |
| 2021-09-30 | $9,373,472 | 219,722 | Shares | Defined | 2022-12-01 | |
| 2021-06-30 | $12,026,867 | 223,571 | Shares | Defined | 2022-12-01 | |
| 2021-03-31 | $7,577,056 | 150,179 | Shares | Defined | 2022-12-01 | |
| 2020-12-31 | $5,178,947 | 123,700 | Shares | Defined | 2022-12-01 | |
| 2020-09-30 | $5,183,385 | 187,623 | Shares | Defined | 2021-01-19 | |
| 2020-06-30 | $19,005,542 | 569,521 | Shares | Defined | 2021-01-19 | |
| 2020-03-31 | $19,415,459 | 617,171 | Shares | Defined | 2021-01-19 | |
| No filing history on record for this holder in this stock. | ||||||