Western Digital WDC Institutional Ownership

NASDAQ WDC

$435.31 -24.13 (-5.25%)

As of: Aug 24, 2026 · 3:59 PM EDT

Institutions by Trading Activity

1,388 Institutions

Increased 791 57.0%

Unchanged 113 8.1%

Reduced 484 34.9%

Ownership Statistics

13F · as of 31 Mar, 2026

Institutional Ownership

96.03%

▼-1.70 pp QoQ

Shares Held by Institutions

327.48Mn

of 341.00Mn outstanding

▲+14.20% QoQ

Shares Outstanding

341.00Mn

13.52Mn held outside 13F filers

Institutional Investors

1,388

filed 13F for Mar 2026

▲+234 vs prior quarter

Net Shares Added (QoQ)

+40.73Mn

accumulated since last quarter

Value of Holdings

$162.48Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 31 Mar, 2026

Western Digital Corp (NASDAQ:WDC) is held by 1,388 institutional investors per 13F filings through March 2026.

They owned 96.0% of outstanding stock in March 2026, down from 97.7% the prior quarter.
They increased total shares held in Western Digital by 14.2% from last quarter, and the number of investors in WDC increased 108.41% annually.
Among the 1,388 funds, 791 bought more Western Digital shares, 484 sold down, and 113 held their ground.
Institutional investors collectively held 327.48Mn shares in Western Digital as of March 2026, up by 40.73Mn shares quarter on quarter, and down 41.54Mn shares year over year.
As of March 31, 2026, BlackRock, Inc. held the largest stake in Western Digital with 35.77Mn shares, accounting for 10.49% of total shares outstanding.
Top purchasers of WDC stock for the quarter ending March 2026 included VANGUARD CAPITAL MANAGEMENT LLC (22.03Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (17.17Mn), Capital World Investors (10.82Mn), Capital Research Global Investors (3.31Mn), Jpmorgan Chase & Co (3.22Mn).
The largest sellers of Western Digital for the quarter ending March 2026 were Goldman Sachs Group Inc (3.71Mn), Bank Of America Corp /De/ (3.56Mn), D. E. Shaw & Co., Inc. (3.01Mn), Ameriprise Financial Inc (2.76Mn), FMR LLC (2.17Mn).
Business Quant data shows the 10 biggest positions in Western Digital as of March 2026 are held by BlackRock, Inc. (35.77Mn), FMR LLC (31.62Mn), VANGUARD CAPITAL MANAGEMENT LLC (22.03Mn), Jpmorgan Chase & Co (17.51Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (17.17Mn), State Street Corp (15.47Mn), Capital World Investors (11.88Mn), GEODE CAPITAL MANAGEMENT, LLC (9.48Mn), Bank Of America Corp /De/ (8.49Mn), Morgan Stanley (7.94Mn).

Form 13F Holdings

1,388 Institutional Holders

Report period 31 Mar, 2026

Total shares held 327.48Mn

Of outstanding 96.03%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	35,769,222	10.49%	▲259,704	+0.73%	$9.68Bn
2	FMR LLC	0000315066	31,623,418	9.27%	▼2,170,383	-6.42%	$8.55Bn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	22,034,861	6.46%	▲22,034,861	0.00%	$5.96Bn
4	Jpmorgan Chase & Co	0000019617	17,512,148	5.14%	▲3,216,183	+22.50%	$4.41Bn
5	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	17,172,653	5.04%	▲17,172,653	0.00%	$4.65Bn
6	State Street Corp	0000093751	15,465,766	4.54%	▼230,188	-1.47%	$4.18Bn
7	Capital World Investors	0001422849	11,880,038	3.48%	▲10,816,431	+1,016.96%	$3.21Bn
8	GEODE CAPITAL MANAGEMENT, LLC	0001214717	9,477,201	2.78%	▲194,769	+2.10%	$2.56Bn
9	Bank Of America Corp /De/	0000070858	8,489,612	2.49%	▼3,555,039	-29.52%	$2.30Bn
10	Morgan Stanley	0000895421	7,939,106	2.33%	▼1,005,556	-11.24%	$2.15Bn
11	WCM INVESTMENT MANAGEMENT, LLC	0001061186	6,561,810	1.92%	▼129,399	-1.93%	$1.65Bn
12	Ameriprise Financial Inc	0000820027	5,762,533	1.69%	▼2,757,892	-32.37%	$1.56Bn
13	Invesco Ltd.	0000914208	5,530,864	1.62%	▲75,621	+1.39%	$1.50Bn
14	Goldman Sachs Group Inc	0000886982	5,406,883	1.59%	▼3,711,706	-40.70%	$1.46Bn
15	UBS Group AG	0001610520	4,182,454	1.23%	▼368,367	-8.09%	$1.13Bn
16	Northern Trust Corp	0000073124	3,606,563	1.06%	▼65,392	-1.78%	$975.54Mn
17	AQR CAPITAL MANAGEMENT LLC	0001167557	3,459,565	1.01%	▲486,862	+16.38%	$913.05Mn
18	Capital Research Global Investors	0001422848	3,309,625	0.97%	▲3,309,625	0.00%	$895.13Mn
19	Amundi	0001330387	3,058,867	0.90%	▲659,131	+27.47%	$827.39Mn
20	Nuveen, LLC	0001871926	2,959,245	0.87%	▼1,604,231	-35.15%	$800.45Mn

Showing 1 to 20 of 1,388 holders