2,895 hedge funds and large institutions have $92.9B invested in Pfizer in 2025 Q4 according to their latest regulatory filings, with 320 funds opening new positions, 1,074 increasing their positions, 1,264 reducing their positions, and 169 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more ownership

Funds ownership:

more capital invested

Capital invested by funds: $ → $

11% less funds holding in top 10

Funds holding in top 10: 3531 (-4)

15% less repeat investments, than reductions

Existing positions increased: 1,074 | Existing positions reduced: 1,264

19% less call options, than puts

Call options by funds: $2.6B | Put options by funds: $3.2B

Holders
2,895
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
31
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.6B
Puts
$3.2B
Net Calls
Net Calls Change

Top Buyers

1 +$362M
2 +$342M
3 +$189M
4
Capital World Investors
Capital World Investors
California
+$184M
5
Goldman Sachs
Goldman Sachs
New York
+$183M

Top Sellers

1 -$450M
2 -$223M
3 -$211M
4
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
-$167M
5
Jane Street
Jane Street
New York
-$146M
Name Holding Trade Value Shares
Change
Change in
Stake
AAMU
2926
APG Asset Management US
New York
BSG
2927
Black Swift Group
Colorado
ET
2928
Entropy Technologies
New York
HKIM
2929
Hayek Kallen Investment Management
Alabama
PP
2930
Prospector Partners
Connecticut
OAM
2931
Oxford Asset Management
United Kingdom
HI
2932
Humankind Investments
New York
BAM
2933
Bastion Asset Management
Canada
SC
2934
SummitTX Capital
Texas
ACM
2935
Ategra Capital Management
Virginia
P
2936
Pitcairn
Pennsylvania
TCM
2937
Tang Capital Management
California
NSEDCP
2938
NJ State Employees Deferred Compensation Plan
New Jersey
ZIG
2939
Zuckerman Investment Group
Illinois
VIM
2940
Vista Investment Management
Pennsylvania
FSA
2941
Financial Sense Advisors
California
CM
2942
CM Management
Florida
SBFM
2943
S-Bank Fund Management
Finland
OCBCO
2944
Oversea-Chinese Banking Corp (OCBC)
Singapore
MMHP
2945
Murphy Middleton Hinkle & Parker
Georgia
MP
2946
Mangrove Partners
Connecticut
LI
2947
LifeWealth Investments
Florida
TAM
2948
Todd Asset Management
Kentucky
SPA
2949
Sherbrooke Park Advisers
New York
AC
2950
AXQ Capital
New Jersey