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Western Digital

1,400 hedge funds and large institutions have $88B invested in Western Digital in 2026 Q1 according to their latest regulatory filings, with 357 funds opening new positions, 442 increasing their positions, 485 reducing their positions, and 103 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 in top 10

Funds holding in top 10:

more funds holding

Funds holding:

9% less repeat investments, than reductions

Existing positions increased: 442 | Existing positions reduced: 485

1.19% less ownership

Funds ownership: 97.77%96.58% (-1.2%)

53% less call options, than puts

Call options by funds: $3.31B | Put options by funds: $7.05B

Holders
1,400
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
36
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$3.31B
Puts
$7.05B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
CFO
376
Callan Family Office
Pennsylvania
$6.72M
PAMP
377
Polar Asset Management Partners
Ontario, Canada
$6.48M
WG
378
Winton Group
United Kingdom
$6.47M
YIH
379
Y-Intercept (HK)
Hong Kong
$6.4M
CAMG
380
CWA Asset Management Group
Florida
$6.4M
NW
381
NewEdge Wealth
Pennsylvania
$6.35M
MCM
382
Mitchell Capital Management
Kansas
$6.34M
CUAMC
383
China Universal Asset Management Company
China
$6.26M
FFA
384
Farther Finance Advisors
California
$6.24M
IIM
385
INTECH Investment Management
Florida
$6.19M
Federated Hermes
386
Federated Hermes
Pennsylvania
$6.18M
IWC
387
Integrated Wealth Concepts
Massachusetts
$6.12M
CI
388
Cavalier Investments
Georgia
$6.12M
William Blair & Company
389
William Blair & Company
Illinois
$6.08M
BBL
390
Beck Bode LLC
Massachusetts
$6.01M
Cambridge Investment Research Advisors
391
Cambridge Investment Research Advisors
Iowa
$5.99M
TF
392
Trek Financial
Arizona
$5.9M
TI
393
TTP Investments
California
$5.65M
BOH
394
Bank of Hawaii
Hawaii
$5.64M
SCM
395
Sterling Capital Management
North Carolina
$5.61M
WBC
396
Westpac Banking Corp
Australia
$5.6M
AAIS
397
ABN AMRO Investment Solutions
$5.59M
HIS
398
Harvest Investment Services
Illinois
$5.58M
EFM
399
E Fund Management
China
$5.56M
ADEF
400
Adams Diversified Equity Fund
Maryland
$5.55M