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2,929 hedge funds and large institutions have $106B invested in Pfizer in 2026 Q1 according to their latest regulatory filings, with 252 funds opening new positions, 1,294 increasing their positions, 1,082 reducing their positions, and 168 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
2,929
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
47
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$3.08B
Puts
$2.68B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
A
2976
AlphaQuest
New York
VA
2977
Verdad Advisers
Massachusetts
DCP
2978
Diameter Capital Partners
New York
BAM
2979
Blueshift Asset Management
New Jersey
DA
2980
DCF Advisers
Connecticut
QIM
2981
Quantitative Investment Management
Virginia
LS
2982
Livforsakringsbolaget Skandia
Sweden
SCP
2983
Seizert Capital Partners
Michigan
IF
2984
IRON Financial
Illinois
LAM
2985
Lynch Asset Management
Pennsylvania
COI
2986
Connable Office Inc
Michigan
I
2987
InceptionR
California
LAM
2988
LECAP Asset Management
United Kingdom
SIP
2989
Stoneridge Investment Partners
Pennsylvania
WWM
2990
Westwood Wealth Management
California
PCM
2991
Polymer Capital Management
New York
SC
2992
Stance Capital
Massachusetts
SMA
2993
Sage Mountain Advisors
Georgia
HWMO
2994
Heritage Wealth Management (Ohio)
Ohio
I
2995
InterCapital
Texas
4WM
2996
44 Wealth Management
Oregon
ORAM
2997
One River Asset Management
Connecticut
ESBC
2998
E.S. Barr & Co
Kentucky
PEAK6
2999
PEAK6
Illinois
Optiver Holding
3000
Optiver Holding
Netherlands