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Western Digital

957 hedge funds and large institutions have $41.4B invested in Western Digital in 2025 Q3 according to their latest regulatory filings, with 288 funds opening new positions, 350 increasing their positions, 235 reducing their positions, and 67 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 repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding in top 10

Funds holding in top 10:

28% more funds holding

Funds holding: 745957 (+212)

5.55% less ownership

Funds ownership: 104.6%99.05% (-5.6%)

25% less call options, than puts

Call options by funds: $2.27B | Put options by funds: $3.02B

Holders
957
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
29
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.27B
Puts
$3.02B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
SFA
526
Sequoia Financial Advisors
Ohio
$835K
Optiver Holding
527
Optiver Holding
Netherlands
$834K
Baird Financial Group
528
Baird Financial Group
Wisconsin
$832K
SAM
529
Seelaus Asset Management
New Jersey
$827K
PS
530
Principal Securities
Iowa
$817K
BCM
531
Bayesian Capital Management
New York
$816K
S
532
SignatureFD
Georgia
$816K
MSE
533
MUFG Securities EMEA
United Kingdom
$797K
CPIG
534
Chicago Partners Investment Group
Illinois
$792K
FFM
535
Forum Financial Management
Illinois
$781K
VI
536
Vestcor Inc
New Brunswick, Canada
$774K
PGFC
537
Peapack-Gladstone Financial Corp
New Jersey
$770K
RWM
538
Ritholtz Wealth Management
New York
$766K
SC
539
Savant Capital
Illinois
$763K
GIM
540
Glenmede Investment Management
Pennsylvania
$754K
Belvedere Trading
541
Belvedere Trading
Illinois
$748K
EWA
542
EverSource Wealth Advisors
Alabama
$740K
TE
543
Tema ETFs
New York
$737K
WBC
544
Westpac Banking Corp
Australia
$736K
PL
545
Perpetual Ltd
Australia
$736K
PMG
546
Private Management Group
California
$722K
VT
547
Vise Technologies
New York
$721K
KG
548
Kieckhefer Group
Wisconsin
$720K
PA
549
Profund Advisors
Maryland
$711K
OAM
550
Ostrum Asset Management
France
$687K