2,876 hedge funds and large institutions have $92.8B invested in Pfizer in 2025 Q4 according to their latest regulatory filings, with 308 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
2,876
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
OC
2901
Optimas Capital
Hong Kong
ERSOT
2902
Employees Retirement System of Texas
Texas
MAG
2903
Members Advisory Group
New York
SCM
2904
Stevens Capital Management
Pennsylvania
Qube Research & Technologies (QRT)
2905
Qube Research & Technologies (QRT)
United Kingdom
CPRC
2906
Consolidated Portfolio Review Corp
New York
AAMU
2907
APG Asset Management US
New York
BSG
2908
Black Swift Group
Colorado
ET
2909
Entropy Technologies
New York
HKIM
2910
Hayek Kallen Investment Management
Alabama
PP
2911
Prospector Partners
Connecticut
OAM
2912
Oxford Asset Management
United Kingdom
HI
2913
Humankind Investments
New York
BAM
2914
Bastion Asset Management
Canada
SC
2915
SummitTX Capital
Texas
ACM
2916
Ategra Capital Management
Virginia
P
2917
Pitcairn
Pennsylvania
TCM
2918
Tang Capital Management
California
NSEDCP
2919
NJ State Employees Deferred Compensation Plan
New Jersey
ZIG
2920
Zuckerman Investment Group
Illinois
VIM
2921
Vista Investment Management
Pennsylvania
FSA
2922
Financial Sense Advisors
California
CM
2923
CM Management
Florida
SBFM
2924
S-Bank Fund Management
Finland
OCBCO
2925
Oversea-Chinese Banking Corp (OCBC)
Singapore