Western Digital Corp (WDC) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

4,069,245Shares held by institutions

$1,023,984,812Value of institutional holdings

100.23%Institutional ownership %

5.60%Shares Changed QoQ

744No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Western Digital Corp (NASDAQ:WDC) has 1,144 institutional investors with active 13F positions as of December 2025.

These investors held 88.1% of outstanding shares in December 2025, down from 106.8% in September 2025.
Their total shares held in WDC decreased -11.53% quarter over quarter, and separately, investors owning Western Digital increased 62.04% from a year ago.
During the quarter, 691 of these 1,144 funds increased positions in WDC, 359 reduced exposure, and 94 held steady.
Combined, these investors held 331.14Mn shares in WDC for December 2025, down by 43.16Mn shares quarter on quarter, and down 16.87Mn shares year over year.
VANGUARD GROUP INC holds the largest position in WDC at 42.35Mn shares as of December 31, 2025, or 11.26% of shares outstanding.
The largest buyers of Western Digital for the quarter ending December 2025 were FMR LLC (10.04Mn), NORGES BANK (4.58Mn), Goldman Sachs Group Inc (2.05Mn), Nuveen, LLC (2.01Mn), National Pension Service (1.23Mn).
The largest sellers of Western Digital for the quarter ending December 2025 were Bank Of America Corp /De/ (32.68Mn), Jpmorgan Chase & Co (9.74Mn), D. E. Shaw & Co., Inc. (3.92Mn), UBS Group AG (2.78Mn), CITADEL ADVISORS LLC (2.41Mn).
Per Business Quant, the top 10 investors in WDC for the quarter ending December 2025 include VANGUARD GROUP INC (42.35Mn), BlackRock, Inc. (35.51Mn), FMR LLC (33.79Mn), State Street Corp (15.7Mn), Jpmorgan Chase & Co (14.3Mn), Bank Of America Corp /De/ (12.04Mn), GEODE CAPITAL MANAGEMENT, LLC (9.28Mn), Morgan Stanley (8.94Mn), Ameriprise Financial Inc (8.52Mn), WCM INVESTMENT MANAGEMENT, LLC (6.69Mn).

1,145 Institutional Holders

4,069,245 Total Shares Held

Rows:

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Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	794,667	2.29%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	-933,733	-2.16%	$0.00
Nuveen, LLC	31 Dec, 2025	2,010,258	78.73%	$0.00
HSBC HOLDINGS PLC	31 Dec, 2025	656,008	34.90%	$0.00
FMR LLC	31 Dec, 2025	10,037,079	42.25%	$0.00
UBS Group AG	31 Dec, 2025	-2,779,175	-37.92%	$0.00
Barclays Plc	31 Dec, 2025	-627,956	-29.15%	$0.00
State Street Corp	31 Dec, 2025	234,097	1.51%	$0.00
Maple Rock Capital Partners Inc.	31 Dec, 2025	-207,800	-8.03%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	66,007	141.11%	$0.00
Jpmorgan Chase & Co	31 Dec, 2025	-9,744,255	-40.53%	$0.00
National Pension Service	31 Dec, 2025	1,231,477	267.61%	$0.00
World Investment Advisors	31 Dec, 2025	9,479	391.53%	$0.00
Bank Of America Corp /De/	31 Dec, 2025	-32,677,369	-73.07%	$0.00
Castle Hook Partners LP	31 Dec, 2025	-426,733	-24.35%	$0.00
STANCE CAPITAL LLC	31 Dec, 2025	7,128	2,134.13%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	-132,086	-1.40%	$0.00
Holocene Advisors, LP	31 Dec, 2025	-1,335,428	-58.82%	$0.00
Morgan Stanley	31 Dec, 2025	542,040	6.45%	$0.00
Polar Capital Holdings Plc	31 Dec, 2025	-934,216	-50.57%	$0.00

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