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

Top Sellers

1
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$724M
2
UBS Group
UBS Group
Switzerland
$731M
3
Alyeska Investment Group
Alyeska Investment Group
Illinois
$58.1M
4
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$226M
5
SPC
Slate Path Capital
New York
$386M
Name Holding Trade Value Shares
Change 		Shares
Change %
BS
351
Banco Santander
Spain
$1.08M +$735K +11,480 +213%
ZBNA
352
Zions Bancorporation, National Association
Utah
$1.05M +$1.01M +15,744 +2,163%
KIA
353
Knollwood Investment Advisory
Maryland
$1.05M – – –
Wealthfront Advisers
354
Wealthfront Advisers
California
$1.04M +$240K +3,758 +30%
MSRPS
355
Maryland State Retirement & Pension System
Maryland
$1.03M – – –
NMERB
356
New Mexico Educational Retirement Board
New Mexico
$1.03M – – –
BC
357
Bridgefront Capital
Texas
$1.03M +$1.03M +16,070 New
PCM
358
Penserra Capital Management
California
$1.03M +$357K +5,593 +53%
SAI
359
Systematic Alpha Investments
New Jersey
$1.02M – – –
QCG
360
Quadrant Capital Group
Ohio
$993K +$801K +12,517 +416%
CB
361
Commerce Bank
Missouri
$989K -$21.6K -337 -2%
EOJOAM
362
E. Ohman J:or Asset Management
Sweden
$987K +$987K +15,430 New
QCM
363
Qsemble Capital Management
New York
$986K +$986K +15,413 New
VanEck Associates
364
VanEck Associates
New York
$978K +$364K +5,685 +59%
I
365
InceptionR
California
$976K +$145K +2,264 +17%
AG
366
AIA Group
Hong Kong
$966K +$966K +15,100 New
TMAM
367
Tokio Marine Asset Management
Japan
$928K +$125K +1,946 +15%
CWM
368
Congress Wealth Management
Massachusetts
$925K +$33.3K +520 +4%
CFO
369
Callan Family Office
Pennsylvania
$919K +$919K +14,354 New
TRCT
370
Tower Research Capital (TRC)
New York
$896K +$581K +9,072 +184%
Mercer Global Advisors
371
Mercer Global Advisors
Colorado
$896K +$439K +6,863 +96%
CL
372
CSS LLC
Illinois
$863K -$268K -4,190 -24%
WCM
373
Wellington Capital Management
Maryland
$845K +$845K +13,200 New
SC
374
Shay Capital
New York
$833K -$7.17M -112,090 -90%
APWM
375
Argonautica Private Wealth Management
Massachusetts
$811K -$62.1K -971 -7%
13 14
15
16 17