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Western Digital
WDC

1,406 hedge funds and large institutions have $88B invested in Western Digital in 2026 Q1 according to their latest regulatory filings, with 358 funds opening new positions, 446 increasing their positions, 485 reducing their positions, and 103 closing their positions.

New
Increased
Maintained
Reduced
Closed

248% more first-time investments, than exits

New positions opened: 358 | Existing positions closed: 103

53% more capital invested

Capital invested by funds: $57.5B → $88B (+$30.5B)

33% more funds holding in top 10

Funds holding in top 10: 27 → 36 (+9)

20% more funds holding

Funds holding: 1,170 → 1,406 (+236)

8% less repeat investments, than reductions

Existing positions increased: 446 | Existing positions reduced: 485

1.15% less ownership

Funds ownership: 97.78% → 96.63% (-1.2%)

53% less call options, than puts

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

Holders
1,406
Holders Change
+236
Holders Change %
+20.17%
% of All Funds
17.32%
Holding in Top 10
36
Holding in Top 10 Change
+9
Holding in Top 10 Change %
+33.33%
% of All Funds
0.44%
New
358
Increased
446
Reduced
485
Closed
103
Calls
$3.31B
Puts
$7.05B
Net Calls
-$3.74B
Net Calls Change
-$1.49B

Top Buyers

1
Capital World Investors
Capital World Investors
California
+$2.82B
2
Capital Research Global Investors
Capital Research Global Investors
California
+$864M
3
JP Morgan Chase
JP Morgan Chase
New York
+$840M
4
VARA
Value Aligned Research Advisors
New Jersey
+$338M
5
Goldman Sachs
Goldman Sachs
New York
+$221M

Top Sellers

1
Bank of America
Bank of America
North Carolina
-$928M
2
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$787M
3
Ameriprise
Ameriprise
Minnesota
-$720M
4
Fidelity Investments
Fidelity Investments
Massachusetts
-$567M
5
N
Nuveen
North Carolina
-$419M
Name Holding Trade Value Shares
Change 		Change in
Stake
GCM
501
Genus Capital Management
British Columbia, Canada
$3.25M +$3.13M +12,000 New
OCAI
502
O'Connor Alternative Investments
New York
$3.25M +$3.13M +12,000 New
APWM
503
Argonautica Private Wealth Management
Massachusetts
$3.2M +$23K +88 +0.7%
EOJOAM
504
E. Ohman J:or Asset Management
Sweden
$3.18M – – –
ECM
505
Everence Capital Management
Indiana
$3.17M +$431K +1,650 +16%
CIA
506
Concurrent Investment Advisors
Florida
$3.16M +$941K +3,603 +45%
EIA
507
Emerald Investment Advisers
Pennsylvania
$3.12M +$3.01M +11,539 New
MYAM
508
Meiji Yasuda Asset Management
Japan
$3.12M +$3.01M +11,518 New
LFAS
509
Level Four Advisory Services
Texas
$3.1M -$651K -2,492 -18%
MAS
510
Meeder Advisory Services
Ohio
$3.1M +$94K +360 +3%
OF
511
Optimize Financial
California
$3.09M +$2.98M +11,426 New
CLOS
512
Compagnie Lombard Odier SCmA
Switzerland
$3.08M +$2.97M +11,380 New
HCM
513
Highview Capital Management
Illinois
$3.01M +$87.5K +335 +3%
AF
514
Alerus Financial
North Dakota
$3M -$1.45M -5,565 -33%
PIMJS
515
PKO Investment Management Joint-Stock
Poland
$2.98M +$1.31M +5,000 +83%
MUAMU
516
Mitsubishi UFJ Asset Management (UK)
United Kingdom
$2.98M -$261K -1,000 -8%
PFM
517
Patton Fund Management
Texas
$2.96M -$4.93M -18,875 -63%
EF
518
Empirical Finance
Pennsylvania
$2.95M -$1.57K -6 -0.1%
CAG
519
Crestwood Advisors Group
Massachusetts
$2.95M -$20.9K -80 -0.7%
FSWA
520
Financial Synergies Wealth Advisors
Texas
$2.94M +$2.51M +9,619 +767%
NMIMC
521
Northwestern Mutual Investment Management Company
Wisconsin
$2.93M -$19.8K -76 -0.7%
HI
522
Horizon Investments
North Carolina
$2.91M -$2.86M -10,942 -50%
IAA
523
Independent Advisor Alliance
North Carolina
$2.91M +$1.88M +7,216 +204%
CPCPP
524
Canada Post Corporation Pension Plan
Canada
$2.85M -$26.1K -100 -0.9%
RBA
525
Richard Bernstein Advisors
New York
$2.83M -$1.32M -5,054 -33%
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