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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
PAS
326
Park Avenue Securities
New York
$10.4M
PP
327
Prudential plc
United Kingdom
$10.2M
ACM
328
Atika Capital Management
New York
$10.2M
Baird Financial Group
329
Baird Financial Group
Wisconsin
$9.99M
AC
330
Allstate Corporation
Illinois
$9.84M
Verition Fund Management
331
Verition Fund Management
Connecticut
$9.81M
EMPI
332
Elo Mutual Pension Insurance
Finland
$9.78M
LOAMS
333
Lombard Odier Asset Management (Switzerland)
Switzerland
$9.77M
JF
334
Jump Financial
Illinois
$9.77M
MOACM
335
Mutual of America Capital Management
New York
$9.75M
GAAM
336
Grand Alliance Asset Management
Hong Kong
$9.74M
Nomura Holdings
337
Nomura Holdings
Japan
$9.73M
N
338
Natixis
France
$9.57M
OAM
339
OP Asset Management
$9.51M
YCM
340
Yousif Capital Management
Michigan
$9.49M
MMA
341
Miracle Mile Advisors
California
$9.39M
ASN
342
Advisory Services Network
Georgia
$9.35M
Jane Street
343
Jane Street
New York
$9.33M
FC
344
FORA Capital
Florida
$9.03M
MR
345
Munich Reinsurance
$8.97M
Wellington Management Group
346
Wellington Management Group
Massachusetts
$8.94M
JGUA
347
John G. Ullman & Associates
New York
$8.91M
OCA
348
OpenArc Corporate Advisory
Georgia
$8.87M
Commonwealth Equity Services
349
Commonwealth Equity Services
Massachusetts
$8.74M
NB
350
Norinchukin Bank
Japan
$8.73M