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Western Digital
WDC

Overview Fund Activity

739 hedge funds and large institutions have $23.3B invested in Western Digital in 2025 Q2 according to their latest regulatory filings, with 180 funds opening new positions, 282 increasing their positions, 206 reducing their positions, and 82 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
739
Holders Change
+88
Holders Change %
+13.52%
% of All Funds
9.91%
Holding in Top 10
20
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+25%
% of All Funds
0.27%
New
180
Increased
282
Reduced
206
Closed
82
Calls
$945M
Puts
$904M
Net Calls
+$40.2M
Net Calls Change
-$477M

Top Buyers

1
Bank of America
1
Bank of America
North Carolina
$1.66B
2
BlackRock
2
BlackRock
New York
$2.24B
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$2.06B
4
SCP
4
Soroban Capital Partners
New York
$196M
5
IC
5
Impactive Capital
New York
$229M

Top Sellers

1
JPMorgan Chase & Co
1
JPMorgan Chase & Co
New York
$724M
2
UBS Group
2
UBS Group
Switzerland
$731M
3
Alyeska Investment Group
3
Alyeska Investment Group
Illinois
$58.1M
4
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$226M
5
SPC
5
Slate Path Capital
New York
$386M
Name Holding Trade Value Shares
Change 		Shares
Change %
Two Sigma Advisers
751
Two Sigma Advisers
New York
– -$9.8M -242,500 Closed
KC
752
Kadensa Capital
Hong Kong
– -$9.23M -228,296 Closed
RCM
753
Rivermont Capital Management
New York
– -$8.36M -206,665 Closed
ASM
754
AI-Squared Management
Hong Kong
– -$6.7M -165,653 Closed
Nomura Holdings
755
Nomura Holdings
Japan
– -$6.26M -154,907 Closed
Verition Fund Management
756
Verition Fund Management
Connecticut
– -$6.08M -150,484 Closed
CF
757
Corebridge Financial
Texas
– -$6.02M -149,009 Closed
Simplex Trading
758
Simplex Trading
Illinois
– -$5.88M -145,433 Closed
JGC
759
J. Goldman & Co
New York
– -$4.98M -123,275 Closed
Man Group
760
Man Group
United Kingdom
– -$4.82M -119,154 Closed
PSC
761
Portman Square Capital
United Kingdom
– -$4.3M -106,328 Closed
IMC Chicago
762
IMC Chicago
Illinois
– -$3.35M -82,850 Closed
JF
763
Jump Financial
Illinois
– -$3.23M -80,000 Closed
Capital Fund Management (CFM)
764
Capital Fund Management (CFM)
France
– -$2.85M -70,525 Closed
WAM
765
Weiss Asset Management
Massachusetts
– -$2.63M -64,983 Closed
QT
766
Quantbot Technologies
New York
– -$2.43M -60,116 Closed
UIM
767
USS Investment Management
United Kingdom
– -$2.41M -59,641 Closed
KPF
768
K2 Principal Fund
Ontario, Canada
– -$2.4M -59,279 Closed
FFM
769
FengHe Fund Management
Singapore
– -$2.34M -57,900 Closed
Wolverine Trading
770
Wolverine Trading
Illinois
– -$1.95M -47,906 Closed
CM
771
Caption Management
Oklahoma
– -$1.66M -41,000 Closed
ACM
772
Aquatic Capital Management
Illinois
– -$1.62M -40,021 Closed
AIMCA
773
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
– -$1.54M -38,179 Closed
BCA
774
Burren Capital Advisors
Gibraltar
– -$1.23M -30,360 Closed
OGC
775
One68 Global Capital
New York
– -$1.05M -26,000 Closed
29 30
31
32 33