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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
MPWT
776
MassMutual Private Wealth & Trust
Connecticut
$402K
DO
777
denkapparat Operations
Germany
$398K
CMBA
778
C.M. Bidwell & Associates
Hawaii
$397K
BCM
779
Brookstone Capital Management
Illinois
$397K
PPW
780
Parcion Private Wealth
Washington
$397K
WE
781
Wealth Effects
Massachusetts
$396K
RA
782
REX Advisers
Connecticut
$396K
BA
783
Bridgewater Advisors
New York
$393K
WA
784
WPG Advisers
Maryland
$393K
LWAM
785
Legacy Wealth Asset Management
Minnesota
$393K
VCM
786
Virtue Capital Management
Tennessee
$392K
KV
787
Kickstand Ventures
New York
$386K
PMAM
788
Picton Mahoney Asset Management
Ontario, Canada
$384K
CAM
789
Cidel Asset Management
Ontario, Canada
$380K
C
790
Certuity
Florida
$380K
CIS
791
Custom Index Systems
New York
$378K
FFA
792
Fi3 Financial Advisors
Indiana
$378K
CRWM
793
Castle Rock Wealth Management
California
$376K
DWT
794
Dorsey & Whitney Trust
South Dakota
$376K
SFG
795
Sovereign Financial Group
Connecticut
$373K
SOS
796
Silver Oak Securities
Tennessee
$373K
TCWA
797
Turtle Creek Wealth Advisors
Texas
$371K
GCM
798
Graham Capital Management
Connecticut
$371K
FWP
799
Falcon Wealth Planning
California
$365K
EFS
800
Essex Financial Services
Connecticut
$364K