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Western Digital

956 hedge funds and large institutions have $41.4B invested in Western Digital in 2025 Q3 according to their latest regulatory filings, with 288 funds opening new positions, 349 increasing their positions, 235 reducing their positions, and 66 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 repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding in top 10

Funds holding in top 10:

29% more funds holding

Funds holding: 743956 (+213)

5.55% less ownership

Funds ownership: 104.6%99.05% (-5.5%)

25% less call options, than puts

Call options by funds: $2.27B | Put options by funds: $3.02B

Holders
956
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
29
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.27B
Puts
$3.02B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
PCM
201
Polymer Capital Management
New York
$13.4M
Ensign Peak Advisors
202
Ensign Peak Advisors
Utah
$13.3M
SOMRS
203
State of Michigan Retirement System
Michigan
$13.2M
KAM
204
Knightsbridge Asset Management
California
$12.9M
TI
205
Trexquant Investment
Connecticut
$12.9M
BFM
206
Boothbay Fund Management
New York
$12.7M
SFI
207
Susquehanna Fundamental Investments
Pennsylvania
$12.7M
AssetMark Inc
208
AssetMark Inc
California
$12.7M
ASRS
209
Arizona State Retirement System
Arizona
$12.4M
CCS
210
Concentric Capital Strategies
Connecticut
$12.2M
QCM
211
Qsemble Capital Management
New York
$12.2M
JF
212
Jump Financial
Illinois
$12.1M
Nisa Investment Advisors
213
Nisa Investment Advisors
Missouri
$12M
PC
214
Permit Capital
Pennsylvania
$12M
SH
215
SeaTown Holdings
Singapore
$12M
Handelsbanken Fonder
216
Handelsbanken Fonder
Sweden
$12M
Los Angeles Capital Management
217
Los Angeles Capital Management
California
$11.6M
PP
218
PDT Partners
New York
$11.6M
CM
219
Caption Management
Oklahoma
$11.5M
US Bancorp
220
US Bancorp
Minnesota
$11.4M
Man Group
221
Man Group
United Kingdom
$11.3M
Caisse de Depot et Placement du Quebec (CDPQ)
222
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$11.3M
Zurich Cantonal Bank
223
Zurich Cantonal Bank
Switzerland
$11.1M
SMDAM
224
Sumitomo Mitsui DS Asset Management
Japan
$11M
CIBC Private Wealth Group
225
CIBC Private Wealth Group
Georgia
$11M