Western Digital Corp (WDC) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

376,000,000Shares Outstanding

337,083,485Shares held by institutions

$136,239,032,132Value of institutional holdings

89.65%Institutional ownership %

-10.47%Shares Changed QoQ

1,150No. 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 collectively held 88.1% of Western Digital's 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.
Of these 1,144 holders, 691 added to their stakes in Western Digital, 359 trimmed positions, and 94 made no changes.
The aggregate institutional position in Western Digital amounted to 331.14Mn shares as of December 2025, down by 43.16Mn shares quarter on quarter, and down 16.87Mn shares year over year.
VANGUARD GROUP INC leads ownership in WDC with 42.35Mn shares as of December 31, 2025, equal to 11.26% of outstanding shares.
The most significant purchases of WDC for the quarter ending December 2025 came from FMR LLC (10.04Mn), Goldman Sachs Group Inc (6.61Mn), NORGES BANK (4.58Mn), 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 data, the top 10 holders of Western Digital for the quarter ending December 2025 are 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), Goldman Sachs Group Inc (9.12Mn), Morgan Stanley (8.94Mn), Ameriprise Financial Inc (8.52Mn).

1,153 Institutional Holders

337,083,485 Total Shares Held

Rows:

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Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VANGUARD GROUP INC	31 Dec, 2025	42,348,660	-933,733	-2.16%	$7,295,403,659.00
BlackRock, Inc.	31 Dec, 2025	35,509,518	794,667	2.29%	$6,117,224,662.00
FMR LLC	31 Dec, 2025	33,793,801	10,037,079	42.25%	$5,821,658,122.00
State Street Corp	31 Dec, 2025	15,695,954	234,097	1.51%	$2,703,941,996.00
Jpmorgan Chase & Co	31 Dec, 2025	14,295,965	-9,744,255	-40.53%	$2,462,766,329.00
Bank Of America Corp /De/	31 Dec, 2025	12,044,651	-32,677,369	-73.07%	$2,074,931,951.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	9,282,432	-132,086	-1.40%	$1,593,883,319.00
Goldman Sachs Group Inc	31 Dec, 2025	9,118,589	6,612,935	263.92%	$1,570,859,428.00
Morgan Stanley	31 Dec, 2025	8,944,662	542,040	6.45%	$1,540,897,488.00
Ameriprise Financial Inc	31 Dec, 2025	8,520,425	-162,894	-1.88%	$1,467,814,250.00
WCM INVESTMENT MANAGEMENT, LLC	31 Dec, 2025	6,691,209	-87,251	-1.29%	$1,178,054,257.00
D. E. Shaw & Co., Inc.	31 Dec, 2025	5,701,318	-3,923,998	-40.77%	$982,166,052.00
Invesco Ltd.	31 Dec, 2025	5,455,243	1,020,167	23.00%	$939,774,714.00
NORGES BANK	31 Dec, 2025	4,578,446	4,578,446	0.00%	$788,728,892.00
Nuveen, LLC	31 Dec, 2025	4,563,476	2,010,258	78.73%	$786,150,010.00
UBS Group AG	31 Dec, 2025	4,550,821	-2,779,175	-37.92%	$783,969,933.00
Northern Trust Corp	31 Dec, 2025	3,671,955	-133,508	-3.51%	$632,567,688.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	3,565,342	-239,565	-6.30%	$614,316,015.00
AQR CAPITAL MANAGEMENT LLC	31 Dec, 2025	2,972,703	1,228,661	70.45%	$512,107,498.00
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	31 Dec, 2025	2,809,409	159,167	6.01%	$483,976,888.00

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