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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
TD Asset Management
176
TD Asset Management
Ontario, Canada
$24.2M
Mitsubishi UFJ Trust & Banking
177
Mitsubishi UFJ Trust & Banking
Japan
$24.2M
IMRF
178
Illinois Municipal Retirement Fund
Illinois
$24M
AT
179
Arbejdsmarkedets Tillaegspension
$23.6M
Handelsbanken Fonder
180
Handelsbanken Fonder
Sweden
$23.3M
Mariner
181
Mariner
Kansas
$23.3M
MSV
182
MN Services Vermogensbeheer
Netherlands
$23.3M
CAIMH
183
Central Asset Investments & Management Holdings
Hong Kong
$23M
NIM
184
NEOS Investment Management
Connecticut
$22.8M
RCW
185
Rheos Capital Works
Japan
$22.4M
IIM
186
INTECH Investment Management
Florida
$22.3M
Allianz Asset Management
187
Allianz Asset Management
Germany
$21.9M
Thrivent Financial for Lutherans
188
Thrivent Financial for Lutherans
Minnesota
$21.8M
SLAM
189
Swiss Life Asset Management
$21.8M
Skandinaviska Enskilda Banken (SEB)
190
Skandinaviska Enskilda Banken (SEB)
Sweden
$21.6M
SPS
191
Susquehanna Portfolio Strategies
Pennsylvania
$21.5M
SG Americas Securities
192
SG Americas Securities
New York
$21.4M
MCM
193
Maytus Capital Management
New York
$21.2M
CCM
194
CloudAlpha Capital Management
Hong Kong
$20.9M
PI
195
PineBridge Investments
New York
$20.7M
State of New Jersey Common Pension Fund D
196
State of New Jersey Common Pension Fund D
New Jersey
$20.6M
OIAM
197
OFI Invest Asset Management
France
$20.2M
Corient Private Wealth
198
Corient Private Wealth
Florida
$20.1M
PWAM
199
Park West Asset Management
California
$19.2M
WP
200
Woodline Partners
California
$18.9M