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
AQR Capital Management
51
AQR Capital Management
Connecticut
$334M
Raymond James Financial
52
Raymond James Financial
Florida
$328M
VAM
53
Vanguard Asset Management
$321M
Robeco Institutional Asset Management
54
Robeco Institutional Asset Management
Netherlands
$313M
California Public Employees Retirement System
55
California Public Employees Retirement System
California
$304M
Balyasny Asset Management
56
Balyasny Asset Management
Illinois
$294M
BNP Paribas Financial Markets
57
BNP Paribas Financial Markets
France
$278M
Stifel Financial
58
Stifel Financial
Missouri
$274M
Neuberger Berman Group
59
Neuberger Berman Group
New York
$272M
SG Americas Securities
60
SG Americas Securities
New York
$267M
Envestnet Asset Management
61
Envestnet Asset Management
Illinois
$262M
BIP
62
Brandes Investment Partners
California
$256M
California State Teachers Retirement System (CalSTRS)
63
California State Teachers Retirement System (CalSTRS)
California
$253M
RhumbLine Advisers
64
RhumbLine Advisers
Massachusetts
$249M
Fidelity International
65
Fidelity International
Bermuda
$246M
KBC Group
66
KBC Group
Belgium
$238M
Acadian Asset Management
67
Acadian Asset Management
Massachusetts
$236M
New York State Common Retirement Fund
68
New York State Common Retirement Fund
New York
$226M
Bank of Montreal
69
Bank of Montreal
Ontario, Canada
$215M
DekaBank Deutsche Girozentrale
70
DekaBank Deutsche Girozentrale
Germany
$211M
AIM
71
Artemis Investment Management
United Kingdom
$208M
Citadel Advisors
72
Citadel Advisors
Florida
$207M
SLAM
73
Swiss Life Asset Management
$206M
Voloridge Investment Management
74
Voloridge Investment Management
Florida
$196M
PNC Financial Services Group
75
PNC Financial Services Group
Pennsylvania
$196M