2,847 hedge funds and large institutions have $92.3B invested in Pfizer in 2025 Q4 according to their latest regulatory filings, with 294 funds opening new positions, 1,065 increasing their positions, 1,252 reducing their positions, and 167 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:

less capital invested

Capital invested by funds: $ → $

15% less funds holding in top 10

Funds holding in top 10: 3429 (-5)

15% less repeat investments, than reductions

Existing positions increased: 1,065 | Existing positions reduced: 1,252

19% less call options, than puts

Call options by funds: $2.58B | Put options by funds: $3.18B

Holders
2,847
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
$2.58B
Puts
$3.18B
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
+$182M

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
Qube Research & Technologies (QRT)
2876
Qube Research & Technologies (QRT)
United Kingdom
CPRC
2877
Consolidated Portfolio Review Corp
New York
AAMU
2878
APG Asset Management US
New York
BSG
2879
Black Swift Group
Colorado
ET
2880
Entropy Technologies
New York
PP
2881
Prospector Partners
Connecticut
OAM
2882
Oxford Asset Management
United Kingdom
HI
2883
Humankind Investments
New York
BAM
2884
Bastion Asset Management
Canada
SC
2885
SummitTX Capital
Texas
ACM
2886
Ategra Capital Management
Virginia
P
2887
Pitcairn
Pennsylvania
TCM
2888
Tang Capital Management
California
NSEDCP
2889
NJ State Employees Deferred Compensation Plan
New Jersey
ZIG
2890
Zuckerman Investment Group
Illinois
VIM
2891
Vista Investment Management
Pennsylvania
FSA
2892
Financial Sense Advisors
California
CM
2893
CM Management
Florida
SBFM
2894
S-Bank Fund Management
Finland
OCBCO
2895
Oversea-Chinese Banking Corp (OCBC)
Singapore
MMHP
2896
Murphy Middleton Hinkle & Parker
Georgia
MP
2897
Mangrove Partners
Connecticut
LI
2898
LifeWealth Investments
Florida
TAM
2899
Todd Asset Management
Kentucky
SPA
2900
Sherbrooke Park Advisers
New York