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
Zurich Cantonal Bank
2901
Zurich Cantonal Bank
Switzerland
CC
2902
Criteria Caixa
Spain
MR
2903
Munich Reinsurance
ZIG
2904
Zurich Insurance Group
Switzerland
RPI
2905
Railway Pension Investments
United Kingdom
O
2906
Ossiam
France
SCA
2907
Sassicaia Capital Advisers
New York
EF
2908
Empowered Funds
Pennsylvania
Walleye Trading
2909
Walleye Trading
New York
AIM
2910
Achmea Investment Management
Netherlands
SSA
2911
Schonfeld Strategic Advisors
New York
IHAM
2912
Integral Health Asset Management
New York
CCM
2913
Cinctive Capital Management
New York
VRS
2914
Virginia Retirement Systems
Virginia
LMIM
2915
Lockheed Martin Investment Management
Maryland
CCS
2916
Concentric Capital Strategies
Connecticut
Capital Fund Management (CFM)
2917
Capital Fund Management (CFM)
France
Twin Tree Management
2918
Twin Tree Management
Texas
AC
2919
Arrow Capital
Australia
OC
2920
Optimas Capital
Hong Kong
ERSOT
2921
Employees Retirement System of Texas
Texas
MAG
2922
Members Advisory Group
New York
SCM
2923
Stevens Capital Management
Pennsylvania
Qube Research & Technologies (QRT)
2924
Qube Research & Technologies (QRT)
United Kingdom
CPRC
2925
Consolidated Portfolio Review Corp
New York