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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
HS
1176
HighVista Strategies
Massachusetts
AP
1177
Advisors Preferred
Maryland
CFM
1178
Catalyst Funds Management
Australia
P
1179
Pitcairn
Pennsylvania
AAMU
1180
APG Asset Management US
New York
Impax Asset Management Group
1181
Impax Asset Management Group
United Kingdom
O
1182
Ossiam
France
NP
1183
NorthRock Partners
Minnesota
Kovitz Investment Group Partners
1184
Kovitz Investment Group Partners
Illinois
SRL
1185
Scientech Research LLC
New Jersey
Optiver Holding
1186
Optiver Holding
Netherlands
BCM
1187
Bayesian Capital Management
New York
JWM
1188
Jackson Wealth Management
Florida
AG
1189
Algert Global
California
SCM
1190
Semanteon Capital Management
Massachusetts
VF
1191
Virtu Financial
New York
SDIC
1192
South Dakota Investment Council
South Dakota
DAS
1193
Dynamic Advisor Solutions
Arizona
SWGC
1194
Summit Wealth Group (Colorado)
Colorado
WI
1195
WBI Investments
New Jersey
RCM
1196
Requisite Capital Management
Texas
ZIC
1197
ZWJ Investment Counsel
Georgia
MM
1198
MQS Management
New York
PG
1199
Patten Group
Tennessee
AIA
1200
Allied Investment Advisors
Montana