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Western Digital

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: 2736 (+9)

20% more funds holding

Funds holding: 1,1701,406 (+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
Name Holding Trade Value Shares
Change
Change in
Stake
VOYA Investment Management
51
VOYA Investment Management
Georgia
$221M +$117M +448,942 +122%
WAM
52
WT Asset Management
Hong Kong
$221M +$106M +405,249 +98%
Mitsubishi UFJ Asset Management
53
Mitsubishi UFJ Asset Management
Japan
$216M +$12M +45,781 +6%
Holocene Advisors
54
Holocene Advisors
New York
$206M -$45.2M -173,096 -19%
VGA
55
Vanguard Global Advisers
Pennsylvania
$202M +$195M +745,156 New
AC
56
Anther Capital
$193M +$186M +712,395 New
Envestnet Asset Management
57
Envestnet Asset Management
Illinois
$190M +$28.2M +108,079 +18%
Principal Financial Group
58
Principal Financial Group
Iowa
$183M -$82.7M -316,689 -32%
California Public Employees Retirement System
59
California Public Employees Retirement System
California
$182M -$33.2M -127,043 -16%
CI
60
Clal Insurance
Israel
$175M +$82.1M +314,500 +94%
Acadian Asset Management
61
Acadian Asset Management
Massachusetts
$170M +$117M +449,370 +249%
Point72 Asset Management
62
Point72 Asset Management
Connecticut
$169M +$116M +445,159 +249%
Prudential Financial
63
Prudential Financial
New Jersey
$167M -$105M -402,509 -39%
Balyasny Asset Management
64
Balyasny Asset Management
Illinois
$167M +$101M +386,903 +168%
RhumbLine Advisers
65
RhumbLine Advisers
Massachusetts
$161M -$10.6M -40,631 -6%
VAM
66
Vanguard Asset Management
$159M +$154M +588,392 New
JCAM
67
Jericho Capital Asset Management
New York
$157M +$152M +581,562 New
Primecap Management
68
Primecap Management
California
$156M -$46M -176,330 -23%
Citigroup
69
Citigroup
New York
$155M -$205M -786,716 -58%
Susquehanna International Group
70
Susquehanna International Group
Pennsylvania
$154M +$87.4M +334,887 +143%
California State Teachers Retirement System (CalSTRS)
71
California State Teachers Retirement System (CalSTRS)
California
$142M -$5.24M -20,088 -4%
Nomura Asset Management
72
Nomura Asset Management
Japan
$138M -$160M -612,828 -55%
ProShare Advisors
73
ProShare Advisors
Maryland
$136M -$30.5M -116,769 -19%
Victory Capital Management
74
Victory Capital Management
Texas
$134M -$23.6M -90,489 -15%
SEI Investments
75
SEI Investments
Pennsylvania
$134M +$6.26M +23,977 +5%