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Western Digital

948 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, 347 increasing their positions, 234 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:

28% more funds holding

Funds holding: 743948 (+205)

5.59% less ownership

Funds ownership: 104.58%98.99% (-5.6%)

25% less call options, than puts

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

Holders
948
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
GC
351
Guggenheim Capital
Illinois
$3.62M
AAP
352
Ardsley Advisory Partners
Connecticut
$3.6M
Wellington Management Group
353
Wellington Management Group
Massachusetts
$3.58M
AG
354
AIA Group
Hong Kong
$3.51M
QT
355
Quantbot Technologies
New York
$3.47M
VT
356
Volterra Technologies
New York
$3.46M
HI
357
HBK Investments
Texas
$3.45M
CAPTRUST Financial Advisors
358
CAPTRUST Financial Advisors
North Carolina
$3.29M
DRP
359
Decker Retirement Planning
Utah
$3.27M
TRSOTSOK
360
Teachers Retirement System of the State of Kentucky
Kentucky
$3.25M
Wealthfront Advisers
361
Wealthfront Advisers
California
$3.18M
CCM
362
Collar Capital Management
Wisconsin
$3.12M
EC
363
Estate Counselors
Wisconsin
$3.1M
Pathstone Holdings
364
Pathstone Holdings
New Jersey
$3.1M
ZIM
365
Zacks Investment Management
Illinois
$3.01M
HighTower Advisors
366
HighTower Advisors
Illinois
$2.95M
BBP
367
Banco BTG Pactual
Brazil
$2.89M
Focus Partners Wealth
368
Focus Partners Wealth
Massachusetts
$2.87M
GAM
369
Generali Asset Management
Italy
$2.85M
Janney Montgomery Scott
370
Janney Montgomery Scott
Pennsylvania
$2.79M
FC
371
FORA Capital
Florida
$2.76M
Group One Trading
372
Group One Trading
Illinois
$2.76M
DF
373
Donoghue Forlines
Massachusetts
$2.74M
DFCM
374
Dark Forest Capital Management
Puerto Rico
$2.69M
CHAM
375
Clear Harbor Asset Management
Connecticut
$2.61M