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Western Digital

1,157 hedge funds and large institutions have $57.4B invested in Western Digital in 2025 Q4 according to their latest regulatory filings, with 296 funds opening new positions, 404 increasing their positions, 360 reducing their positions, and 70 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

1.43% less ownership

Funds ownership: 99.04%97.61% (-1.4%)

7% less funds holding in top 10

Funds holding in top 10: 2927 (-2)

43% less call options, than puts

Call options by funds: $2.92B | Put options by funds: $5.17B

Holders
1,157
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
27
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.92B
Puts
$5.17B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Zurich Cantonal Bank
226
Zurich Cantonal Bank
Switzerland
$15.5M
Los Angeles Capital Management
227
Los Angeles Capital Management
California
$15.4M
CWM
228
CIBC World Markets
New York
$15.3M
MCP
229
Meridiem Capital Partners
Texas
$15.1M
SG
230
Sienna Gestion
France
$15.1M
IGAM
231
iA Global Asset Management
Quebec, Canada
$15M
Osaic Holdings
232
Osaic Holdings
Arizona
$14.9M
Daiwa Securities Group
233
Daiwa Securities Group
Japan
$14.9M
Commonwealth Equity Services
234
Commonwealth Equity Services
Massachusetts
$14.8M
RR
235
Robotti Robert
$14.6M
ZDA
236
Zweig-DiMenna Associates
New York
$14.3M
OBAM
237
ODDO BHF Asset Management
France
$14.2M
CI
238
Cavalier Investments
Georgia
$14.1M
MIM
239
MetLife Investment Management
New Jersey
$14.1M
Belvedere Trading
240
Belvedere Trading
Illinois
$14.1M
BBVA
241
Banco Bilbao Vizcaya Argentaria
Spain
$14M
HFM
242
Harvest Fund Management
China
$13.8M
PC
243
Permit Capital
Pennsylvania
$13.8M
BFM
244
Boothbay Fund Management
New York
$13.7M
COPPSERS
245
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$13.7M
CD
246
Chapin Davis
Maryland
$13.5M
MML Investors Services
247
MML Investors Services
Massachusetts
$13.5M
Fidelity International
248
Fidelity International
Bermuda
$13.2M
Two Sigma Advisers
249
Two Sigma Advisers
New York
$13.1M
VMPIC
250
Varma Mutual Pension Insurance Co
Finland
$13.1M