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Western Digital

1,148 hedge funds and large institutions have $57.2B invested in Western Digital in 2025 Q4 according to their latest regulatory filings, with 291 funds opening new positions, 402 increasing their positions, 358 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:

1.85% less ownership

Funds ownership: 99.05%97.21% (-1.8%)

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: $5.14B

Holders
1,148
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
$5.14B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
DekaBank Deutsche Girozentrale
201
DekaBank Deutsche Girozentrale
Germany
$18.6M
Creative Planning
202
Creative Planning
Kansas
$18.4M
SFI
203
Susquehanna Fundamental Investments
Pennsylvania
$18.2M
SOMRS
204
State of Michigan Retirement System
Michigan
$17.9M
Carson Wealth (CWM LLC)
205
Carson Wealth (CWM LLC)
Nebraska
$17.7M
CM
206
Caption Management
Oklahoma
$17.6M
Nisa Investment Advisors
207
Nisa Investment Advisors
Missouri
$17.5M
MAM
208
Melqart Asset Management
United Kingdom
$17.1M
Nordea Investment Management
209
Nordea Investment Management
Sweden
$17.1M
Parallax Volatility Advisers
210
Parallax Volatility Advisers
California
$16.7M
MIF
211
Mediolanum International Funds
Ireland
$16.7M
Wealth Enhancement Advisory Services
212
Wealth Enhancement Advisory Services
Minnesota
$16.7M
SMDAM
213
Sumitomo Mitsui DS Asset Management
Japan
$16.7M
ASRS
214
Arizona State Retirement System
Arizona
$16.5M
NAM
215
Nissay Asset Management
Japan
$16.4M
Cetera Investment Advisers
216
Cetera Investment Advisers
Illinois
$16.3M
US Bancorp
217
US Bancorp
Minnesota
$16.2M
Pacer Advisors
218
Pacer Advisors
Pennsylvania
$16.2M
HPC
219
Highland Peak Capital
Connecticut
$16.1M
EGM
220
Engineers Gate Manager
New York
$15.9M
Walleye Trading
221
Walleye Trading
New York
$15.8M
Ensign Peak Advisors
222
Ensign Peak Advisors
Utah
$15.6M
CNB
223
Czech National Bank
Czech Republic
$15.5M
Zurich Cantonal Bank
224
Zurich Cantonal Bank
Switzerland
$15.5M
Los Angeles Capital Management
225
Los Angeles Capital Management
California
$15.4M