Western Digital WDC Institutional Ownership

NASDAQ WDC

$343.67 -10.52 (-2.97%)

At close: Oct 23, 2026 · 4:00 PM EDT

Institutions by Trading Activity

1,845 Institutions

Increased 1,127 61.1%

Unchanged 122 6.6%

Reduced 596 32.3%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

93.70%

▼-2.36 pp QoQ

Shares Held by Institutions

323.26Mn

of 345.00Mn outstanding

▼-1.31% QoQ

Shares Outstanding

345.00Mn

21.74Mn held outside 13F filers

Institutional Investors

1,845

filed 13F for Jun 2026

▲+427 vs prior quarter

Net Shares Added (QoQ)

-4.29Mn

distributed since last quarter

Value of Holdings

$111.10Bn

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

Updated Oct 21, 2026

Western Digital Corp (NASDAQ:WDC) appeared in the 13F filings of 1,845 institutional investors for the quarter ended June 30, 2026.

These investors held 93.70% of outstanding shares in Q2 2026, down from 96.05% the quarter before.
Total shares held in Western Digital fell 1.31% from Q1 2026, while the number of holders rose 146.00% from Q2 2025.
Of the 1,845 holders of WDC in Q2 2026, 1,127 added to their positions, 596 reduced their stakes and 122 left their positions unchanged.
The aggregate institutional position in Western Digital was 323.26Mn shares at the end of Q2 2026, down 4.29Mn from the prior quarter and down 29.73Mn from a year earlier.
BlackRock, Inc. was the top holder of Western Digital as of June 30, 2026, with 32.95Mn shares, or 9.55% of shares outstanding.
Among existing holders, the largest additions to Western Digital in Q2 2026 came from Invesco Ltd. (+8.9Mn shares), Capital World Investors (+4.72Mn shares), UBS Asset Management Americas (+1.84Mn shares), Exchange Traded Concepts, LLC (+1.74Mn shares) and Jane Street Group, LLC (+1.02Mn shares).
Among holders that kept a stake in Western Digital, the biggest sellers in Q2 2026 were FMR LLC (-5.64Mn shares), WCM Investment Management, LLC (-4.93Mn shares), Vanguard Portfolio Management LLC (-4.06Mn shares), UBS Group AG (-2.92Mn shares) and BlackRock, Inc. (-2.82Mn shares).
Per Business Quant data, the 10 largest holders of Western Digital at the end of Q2 2026 were BlackRock, Inc. (32.95Mn shares), FMR LLC (25.98Mn shares), Vanguard Capital Management LLC (22.51Mn shares), JPMorgan Chase & Co (17.01Mn shares), Capital World Investors (16.6Mn shares), State Street Corp (16.28Mn shares), Invesco Ltd. (14.44Mn shares), Vanguard Portfolio Management LLC (13.11Mn shares), Geode Capital Management, LLC (8.41Mn shares) and Morgan Stanley (8.15Mn shares).

Form 13F Holdings

1,845 Institutional Holders

Report period 30 Jun, 2026

Total shares held 323.26Mn

Of outstanding 93.70%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	32,953,613	9.55%	▼2,815,609	-7.87%	$21.05Bn
2	FMR LLC	0000315066	25,983,645	7.53%	▼5,639,773	-17.83%	$16.60Bn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	22,510,811	6.52%	▲475,950	+2.16%	$14.38Bn
4	Jpmorgan Chase & Co	0000019617	17,007,789	4.93%	▼504,359	-2.88%	$11.09Bn
5	Capital World Investors	0001422849	16,598,211	4.81%	▲4,718,173	+39.72%	$10.60Bn
6	State Street Corp	0000093751	16,276,615	4.72%	▲810,849	+5.24%	$10.40Bn
7	Invesco Ltd.	0000914208	14,435,741	4.18%	▲8,904,877	+161.00%	$9.22Bn
8	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	13,109,474	3.80%	▼4,063,179	-23.66%	$8.37Bn
9	GEODE CAPITAL MANAGEMENT, LLC	0001214717	8,411,628	2.44%	▼1,065,573	-11.24%	$5.35Bn
10	Morgan Stanley	0000895421	8,148,144	2.36%	▲209,038	+2.63%	$5.20Bn
11	Bank Of America Corp /De/	0000070858	6,489,630	1.88%	▼1,999,982	-23.56%	$4.15Bn
12	Goldman Sachs Group Inc	0000886982	5,178,993	1.50%	▼227,890	-4.21%	$3.31Bn
13	UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	0000861177	4,744,377	1.38%	▲1,841,629	+63.44%	$3.03Bn
14	NORGES BANK	0001374170	4,629,232	1.34%	▲4,629,232	0.00%	$2.96Bn
15	Nuveen, LLC	0001871926	3,819,103	1.11%	▲859,858	+29.06%	$2.44Bn
16	Northern Trust Corp	0000073124	3,663,369	1.06%	▲56,806	+1.58%	$2.34Bn
17	Ameriprise Financial Inc	0000820027	3,386,190	0.98%	▼2,376,343	-41.24%	$2.16Bn
18	AQR CAPITAL MANAGEMENT LLC	0001167557	2,940,948	0.85%	▼518,617	-14.99%	$1.88Bn
19	Bank of New York Mellon Corp	0001390777	2,916,885	0.85%	▲408,133	+16.27%	$1.86Bn
20	Capital Research Global Investors	0001422848	2,816,570	0.82%	▼493,055	-14.90%	$1.80Bn

Showing 1 to 20 of 1,845 holders