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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
PFS
276
Prospera Financial Services
Texas
$15.3M
Tudor Investment Corp
277
Tudor Investment Corp
Connecticut
$15.1M
ET
278
Entropy Technologies
New York
$15.1M
URS
279
Utah Retirement Systems
Utah
$15M
SA
280
Sanctuary Advisors
Indiana
$14.6M
AC
281
Attestor Capital
Cayman Islands
$14.3M
MCM
282
Maytus Capital Management
New York
$14.2M
VIM
283
Vinva Investment Management
Australia
$14.1M
PFSRSONJ
284
Police & Firemen's Retirement System of New Jersey
New Jersey
$14.1M
Allspring Global Investments
285
Allspring Global Investments
North Carolina
$14.1M
Janus Henderson Group
286
Janus Henderson Group
United Kingdom
$14M
MYIA
287
Mount Yale Investment Advisors
Colorado
$13.9M
Rockefeller Capital Management
288
Rockefeller Capital Management
New York
$13.9M
ETC
289
Exchange Traded Concepts
Oklahoma
$13.8M
NYLIM
290
New York Life Investment Management
New York
$13.7M
Calamos Advisors
291
Calamos Advisors
Illinois
$13.5M
FDCDDQ
292
Federation des caisses Desjardins du Quebec
Quebec, Canada
$13.5M
EI
293
Ethic Inc
New York
$13.4M
Walleye Capital
294
Walleye Capital
New York
$13.3M
STB
295
S&T Bank
Pennsylvania
$13.1M
PEAK6
296
PEAK6
Illinois
$13M
RCW
297
Rheos Capital Works
Japan
$13M
RWM
298
Ritholtz Wealth Management
New York
$12.8M
BCIM
299
British Columbia Investment Management
British Columbia, Canada
$12.7M
HighTower Advisors
300
HighTower Advisors
Illinois
$12.7M