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Western Digital

939 hedge funds and large institutions have $41.4B invested in Western Digital in 2025 Q3 according to their latest regulatory filings, with 285 funds opening new positions, 341 increasing their positions, 231 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:

27% more funds holding

Funds holding: 740939 (+199)

5.55% less ownership

Funds ownership: 104.46%98.92% (-5.5%)

25% less call options, than puts

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

Holders
939
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

Top Sellers

1 -$1.15B
2 -$1.02B
3 -$555M
4
UBS Group
UBS Group
Switzerland
-$492M
5
DnB Asset Management
DnB Asset Management
Norway
-$471M
Name Holding Trade Value Shares
Change
Change in
Stake
IA
326
Inspire Advisors
Idaho
$4.45M
Parallax Volatility Advisers
327
Parallax Volatility Advisers
California
$4.45M
1832 Asset Management
328
1832 Asset Management
Ontario, Canada
$4.44M
OAC
329
OMERS Administration Corp
Ontario, Canada
$4.42M
TI
330
TTP Investments
California
$4.27M
NS
331
Night Squared
New York
$4.25M
Lido Advisors
332
Lido Advisors
California
$4.24M
EI
333
Ethic Inc
New York
$4.21M
PAS
334
Park Avenue Securities
New York
$4.15M
MMA
335
Miracle Mile Advisors
California
$4.11M
CC
336
Clearline Capital
New York
$4.11M
Public Employees Retirement Association of Colorado
337
Public Employees Retirement Association of Colorado
Colorado
$4.09M
RIM
338
Rakuten Investment Management
Japan
$4.09M
DIA
339
Dana Investment Advisors
Wisconsin
$4.03M
CAIMH
340
Central Asset Investments & Management Holdings
Hong Kong
$4.01M
CF
341
Cantor Fitzgerald
New York
$3.9M
PCM
342
Prelude Capital Management
New York
$3.9M
LF
343
Lansforsakringar Fondforvaltning
Sweden
$3.85M
JSSH
344
J. Safra Sarasin Holding
$3.76M
WS
345
Wedbush Securities
California
$3.76M
SAM
346
Soviero Asset Management
New York
$3.72M
AV
347
ASR Vermogensbeheer
Netherlands
$3.72M
EGM
348
Engineers Gate Manager
New York
$3.65M
GC
349
Guggenheim Capital
Illinois
$3.62M
AAP
350
Ardsley Advisory Partners
Connecticut
$3.6M