WESTERN DIGITAL CORP

WDCNASDAQ

$441.64+26.35 (+6.34%)as of Oct 5, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

WESTERN DIGITAL CORP price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+252.5%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	9.56%	$21B	0.31%	Not reported
FMR LLC	7.54%	$16.6B	0.72%	Not reported
Vanguard Capital Management LLC	6.53%	$14.4B	0.31%	Not reported
JPMorgan Chase & Co	4.93%	$11.1B	0.61%	Not reported
Capital World Investors	4.82%	$10.6B	1.25%	Add 39.72%
State Street Corp	4.72%	$10.4B	0.31%	Not reported
Invesco Ltd.	4.19%	$9.22B	0.73%	Not reported
Vanguard Portfolio Management LLC	3.80%	$8.37B	0.38%	Not reported
Geode Capital Management, LLC	2.44%	$5.35B	0.29%	Not reported
Morgan Stanley	2.36%	$5.2B	0.28%	Not reported
Bank of America Corp	1.88%	$4.15B	0.27%	Not reported
Goldman Sachs Group Inc	1.50%	$3.31B	0.29%	Not reported
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	1.38%	$3.03B	0.55%	Not reported
Norges Bank	1.34%	$2.96B	0.29%	Not reported
Nuveen, LLC	1.11%	$2.44B	0.58%	Not reported
Northern Trust Corp	1.06%	$2.34B	0.27%	Not reported
Ameriprise Financial Inc	0.98%	$2.16B	0.44%	Not reported
AQR Capital Management LLC	0.85%	$1.88B	0.65%	Not reported
Bank of New York Mellon Corp	0.85%	$1.86B	0.31%	Not reported
Capital Research Global Investors	0.82%	$1.8B	0.25%	Not reported
Legal & General Group Plc	0.73%	$1.6B	0.33%	Not reported
Dimensional Fund Advisors LP	0.71%	$1.56B	0.28%	Not reported
Fred Alger Management, LLC	0.64%	$1.41B	4.70%	Reduce 17.05%
Charles Schwab Investment Management Inc	0.62%	$1.36B	0.18%	Not reported
Vanguard Fiduciary Trust Co	0.57%	$1.26B	0.28%	Not reported
D. E. Shaw & Co., Inc.	0.55%	$1.21B	0.58%	Not reported
Amundi	0.53%	$1.16B	0.28%	Not reported
Capital International Investors	0.52%	$1.15B	0.24%	New Not reported
Exchange Traded Concepts, LLC	0.52%	$1.14B	5.22%	Add 3398.84%
Bank of Montreal	0.47%	$1.04B	0.34%	Not reported
WCM Investment Management, LLC	0.47%	$1.06B	1.93%	Reduce 75.13%
BNP Paribas Financial Markets	0.43%	$954M	0.33%	Not reported
Anther Capital Ltd	0.41%	$902M	23.09%	Add 98.14%
Deutsche Bank Ag\	0.40%	$886M	0.26%	Not reported
National Pension Service	0.40%	$882M	0.57%	Reduce 3.97%
Maple Rock Capital Partners Inc.	0.39%	$867M	17.01%	Reduce 3.04%
Royal Bank of Canada	0.38%	$838M	0.12%	Not reported
UBS Group AG	0.37%	$804M	0.10%	Not reported
Jane Street Group, LLC	0.31%	$672M	0.06%	Not reported
Citigroup Inc	0.29%	$643M	0.21%	Not reported
Value Aligned Research Advisors, LLC	0.29%	$631M	1.57%	Reduce 23.70%
Trivest Advisors Ltd	0.29%	$628M	19.73%	Add 184.81%
Swiss National Bank	0.28%	$623M	0.33%	Not reported
Qube Research & Technologies Ltd	0.27%	$585M	0.54%	Not reported
Castle Hook Partners LP	0.26%	$577M	2.65%	Add 2.78%
Mitsubishi UFJ Asset Management Co., Ltd.	0.25%	$559M	0.31%	Add 9.86%
Wells Fargo & Company	0.25%	$551M	0.09%	Not reported
Wellington Management Group LLP	0.25%	$551M	0.10%	Add 2511.90%
Sumitomo Mitsui Trust Group, Inc.	0.25%	$546M	0.31%	Add 2.21%
AMF Tjanstepension AB	0.25%	$543M	3.22%	Reduce 38.07%

50 of 1,760 holders

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