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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
AC
426
Armistice Capital
New York
$4.84M
PAG
427
Private Advisory Group
Washington
$4.82M
MWM
428
Mission Wealth Management
California
$4.82M
SC
429
SummitTX Capital
Texas
$4.75M
Vontobel Holding
430
Vontobel Holding
Switzerland
$4.71M
SC
431
Stance Capital
Massachusetts
$4.64M
PRS
432
Pinkerton Retirement Specialists
Idaho
$4.61M
MSRPS
433
Maryland State Retirement & Pension System
Maryland
$4.61M
CB
434
Commerce Bank
Missouri
$4.55M
OIMU
435
Osmosis Investment Management UK
United Kingdom
$4.55M
BFG
436
Bleakley Financial Group
New Jersey
$4.52M
SFA
437
Sequoia Financial Advisors
Ohio
$4.51M
NDSIB
438
North Dakota State Investment Board
North Dakota
$4.5M
BF
439
BOK Financial
Oklahoma
$4.46M
PCM
440
Prelude Capital Management
New York
$4.43M
NMERB
441
New Mexico Educational Retirement Board
New Mexico
$4.41M
NS
442
Night Squared
New York
$4.4M
SAI
443
Systematic Alpha Investments
New Jersey
$4.33M
Los Angeles Capital Management
444
Los Angeles Capital Management
California
$4.24M
QCG
445
Quadrant Capital Group
Ohio
$4.23M
SI
446
Sava Infond
Slovenia
$4.22M
BHCM
447
Brevan Howard Capital Management
Jersey
$4.21M
Bessemer Group
448
Bessemer Group
New Jersey
$4.18M
ACA
449
Atlas Capital Advisors
Wyoming
$4.17M
RBC
450
Romano Brothers & Co
Illinois
$4.17M