2,879 hedge funds and large institutions have $92.8B invested in Pfizer in 2025 Q4 according to their latest regulatory filings, with 311 funds opening new positions, 1,071 increasing their positions, 1,261 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: $ → $

14% less funds holding in top 10

Funds holding in top 10: 3530 (-5)

15% less repeat investments, than reductions

Existing positions increased: 1,071 | Existing positions reduced: 1,261

19% less call options, than puts

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

Holders
2,879
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
30
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
Capital Fund Management (CFM)
2901
Capital Fund Management (CFM)
France
Twin Tree Management
2902
Twin Tree Management
Texas
AC
2903
Arrow Capital
Australia
OC
2904
Optimas Capital
Hong Kong
ERSOT
2905
Employees Retirement System of Texas
Texas
MAG
2906
Members Advisory Group
New York
SCM
2907
Stevens Capital Management
Pennsylvania
Qube Research & Technologies (QRT)
2908
Qube Research & Technologies (QRT)
United Kingdom
CPRC
2909
Consolidated Portfolio Review Corp
New York
AAMU
2910
APG Asset Management US
New York
BSG
2911
Black Swift Group
Colorado
ET
2912
Entropy Technologies
New York
HKIM
2913
Hayek Kallen Investment Management
Alabama
PP
2914
Prospector Partners
Connecticut
OAM
2915
Oxford Asset Management
United Kingdom
HI
2916
Humankind Investments
New York
BAM
2917
Bastion Asset Management
Canada
SC
2918
SummitTX Capital
Texas
ACM
2919
Ategra Capital Management
Virginia
P
2920
Pitcairn
Pennsylvania
TCM
2921
Tang Capital Management
California
NSEDCP
2922
NJ State Employees Deferred Compensation Plan
New Jersey
ZIG
2923
Zuckerman Investment Group
Illinois
VIM
2924
Vista Investment Management
Pennsylvania
FSA
2925
Financial Sense Advisors
California