Western Digital Corporation
MX ˙ BMV ˙ US9581021055
SecurityMX:WDC / Western Digital Corporation
InstitutionWedbush Securities Inc
Latest Disclosed Ownership41,481 shares
Latest Disclosed Value $ 11,220
Wedbush Securities Inc reports 15.40% increase in ownership of WDC / Western Digital Corporation

On April 21, 2026 - Wedbush Securities Inc filed a 13F-HR form disclosing ownership of 41,481 shares of Western Digital Corporation (MX:WDC) valued at $11,220 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 12, 2026 disclosing 35,944 shares of Western Digital Corporation. This represents a change in shares of 15.40% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-04-21 2026-03-31 13F WESTERN DIGITAL COM 958102105 41,481 5,537 15.40 11 83.33 0.3272
2026-02-12 2025-12-31 13F WESTERN DIGITAL COM 958102105 35,944 4,659 14.89 6 100.00 0.1807
2025-11-06 2025-09-30 13F WESTERN DIGITAL COM 958102105 31,285 -2,022 -6.07 4 50.00 0.1227
2025-08-06 2025-06-30 13F WESTERN DIGITAL COM 958102105 33,307 -553 -1.63 2 100.00 0.0745
2025-05-06 2025-03-31 13F WESTERN DIGITAL COM 958102105 33,860 981 2.98 1 0.00 0.0502
2025-02-13 2024-12-31 13F WESTERN DIGITAL COM 958102105 32,879 261 0.80 2 -50.00 0.0699
2024-11-08 2024-09-30 13F WESTERN DIGITAL COM 958102105 32,618 965 3.05 2 0.00 0.0826
2024-08-07 2024-06-30 13F WESTERN DIGITAL COM 958102105 31,653 -323 -1.01 2 0.00 0.0857
2024-05-15 2024-03-31 13F WESTERN DIGITAL COM 958102105 31,976 344 1.09 2 100.00 0.0814
2024-02-12 2023-12-31 13F WESTERN DIGITAL COM 958102105 31,632 -69 -0.22 2 0.00 0.0734
2023-11-14 2023-09-30 13F WESTERN DIGITAL COM 958102105 31,701 3,165 11.09 1 0.00 0.0720
2023-08-14 2023-06-30 13F WESTERN DIGITAL COM 958102105 28,536 -619 -2.12 1 0.00 0.0516
2023-05-09 2023-03-31 13F WESTERN DIGITAL COM 958102105 29,155 -823 -2.75 1 0.0549
2023-01-31 2022-12-31 13F WESTERN DIGITAL COM 958102105 29,978 -386 -1.27 1 -100.00 0.0520
2022-10-18 2022-09-30 13F WESTERN DIGITAL COM 958102105 30,364 -6,330 -17.25 988 -39.94 0.0555
2022-07-21 2022-06-30 13F WESTERN DIGITAL COM 958102105 36,694 150 0.41 1,645 -9.32 0.0896
2022-04-19 2022-03-31 13F WESTERN DIGITAL COM 958102105 36,544 29,379 410.03 1,814 288.44 0.0830
2022-01-13 2021-12-31 13F WESTERN DIGITAL COM 958102105 7,165 157 2.24 467 17.93 0.0201
2021-10-08 2021-09-30 13F WESTERN DIGITAL COM 958102105 7,008 35 0.50 396 -20.16 0.0188
2021-07-27 2021-06-30 13F WESTERN DIGITAL COM 958102105 6,973 -1,056 -13.15 496 -7.46 0.0234
2021-04-26 2021-03-31 13F WESTERN DIGITAL COM 958102105 8,029 -777 -8.82 536 9.84 0.0297
2021-02-16 2020-12-31 13F WESTERN DIGITAL COM 958102105 8,806 -812 -8.44 488 38.64 0.0428
2020-10-20 2020-09-30 13F WESTERN DIGITAL COM 958102105 9,618 -127 -1.30 352 -18.14 0.0338
2020-07-16 2020-06-30 13F WESTERN DIGITAL COM 958102105 9,745 195 2.04 430 8.31 0.0407
2020-04-17 2020-03-31 13F WESTERN DIGITAL COM 958102105 9,550 358 3.89 397 -31.90 0.0472
2020-01-16 2019-12-31 13F WESTERN DIGITAL COM 958102105 9,192 369 4.18 583 10.84 0.0518
2019-10-17 2019-09-30 13F WESTERN DIGITAL COM 958102105 8,823 -457 -4.92 526 19.27 0.0515
2019-08-01 2019-06-30 13F WESTERN DIGITAL COM 958102105 9,280 762 8.95 441 7.82 0.0443
2019-04-17 2019-03-31 13F WESTERN DIGITAL COM 958102105 8,518 2,335 37.76 409 78.60 0.0439
2019-01-31 2018-12-31 13F WESTERN DIGITAL COM 958102105 6,183 -1,506 -19.59 229 -49.11 0.0293
2018-11-13 2018-09-30 13F WESTERN DIGITAL COM 958102105 7,689 993 14.83 450 -13.13 0.0511
2018-08-03 2018-06-30 13F WESTERN DIGITAL COM 958102105 6,696 -5,476 -44.99 518 -53.87 0.0642
2018-05-01 2018-03-31 13F WESTERN DIGITAL COM 958102105 12,172 -3,954 -24.52 1,123 -12.40 0.1467
2018-02-09 2017-12-31 13F WESTERN DIGITAL COM 958102105 16,126 -798 -4.72 1,282 -12.31 0.1566
2017-10-31 2017-09-30 13F WESTERN DIGITAL COM 958102105 16,924 322 1.94 1,462 -0.61 0.1899
2017-08-02 2017-06-30 13F WESTERN DIGITAL COM 958102105 16,602 1,177 7.63 1,471 15.55 0.1909
2017-05-05 2017-03-31 13F WESTERN DIGITAL COM 958102105 15,425 11,020 250.17 1,273 325.75 0.1725
2017-01-25 2016-12-31 13F WESTERN DIGITAL COM 958102105 4,405 -277 -5.92 299 9.12 0.0440
2016-11-04 2016-09-30 13F WESTERN DIGITAL COM 958102105 4,682 320 7.34 274 33.01 0.0408
2016-08-02 2016-06-30 13F WESTERN DIGITAL COM 958102105 4,362 4,362 206 0.0337
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.