2,897 hedge funds and large institutions have $105B invested in Pfizer in 2026 Q1 according to their latest regulatory filings, with 246 funds opening new positions, 1,281 increasing their positions, 1,071 reducing their positions, and 169 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
2,897
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
45
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
QIM
2951
Quantitative Investment Management
Virginia
LS
2952
Livforsakringsbolaget Skandia
Sweden
SCP
2953
Seizert Capital Partners
Michigan
IF
2954
IRON Financial
Illinois
LAM
2955
Lynch Asset Management
Pennsylvania
COI
2956
Connable Office Inc
Michigan
I
2957
InceptionR
California
LAM
2958
LECAP Asset Management
United Kingdom
SIP
2959
Stoneridge Investment Partners
Pennsylvania
WWM
2960
Westwood Wealth Management
California
PCM
2961
Polymer Capital Management
New York
SC
2962
Stance Capital
Massachusetts
SMA
2963
Sage Mountain Advisors
Georgia
HWMO
2964
Heritage Wealth Management (Ohio)
Ohio
I
2965
InterCapital
Texas
4WM
2966
44 Wealth Management
Oregon
ORAM
2967
One River Asset Management
Connecticut
ESBC
2968
E.S. Barr & Co
Kentucky
PEAK6
2969
PEAK6
Illinois
Optiver Holding
2970
Optiver Holding
Netherlands
CCM
2971
Crabel Capital Management
California
1C
2972
111 Capital
France
TSS
2973
Two Sigma Securities
New York
AFM
2974
Abbot Financial Management
Massachusetts
CWM
2975
Collaborative Wealth Management
Florida