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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
D.E. Shaw & Co
51
D.E. Shaw & Co
New York
$350M
AQR Capital Management
52
AQR Capital Management
Connecticut
$334M
Raymond James Financial
53
Raymond James Financial
Florida
$328M
VAM
54
Vanguard Asset Management
$321M
Robeco Institutional Asset Management
55
Robeco Institutional Asset Management
Netherlands
$313M
California Public Employees Retirement System
56
California Public Employees Retirement System
California
$304M
Balyasny Asset Management
57
Balyasny Asset Management
Illinois
$294M
BNP Paribas Financial Markets
58
BNP Paribas Financial Markets
France
$278M
Stifel Financial
59
Stifel Financial
Missouri
$274M
Neuberger Berman Group
60
Neuberger Berman Group
New York
$272M
SG Americas Securities
61
SG Americas Securities
New York
$267M
Envestnet Asset Management
62
Envestnet Asset Management
Illinois
$262M
BIP
63
Brandes Investment Partners
California
$256M
California State Teachers Retirement System (CalSTRS)
64
California State Teachers Retirement System (CalSTRS)
California
$253M
RhumbLine Advisers
65
RhumbLine Advisers
Massachusetts
$249M
Fidelity International
66
Fidelity International
Bermuda
$246M
KBC Group
67
KBC Group
Belgium
$238M
Acadian Asset Management
68
Acadian Asset Management
Massachusetts
$236M
New York State Common Retirement Fund
69
New York State Common Retirement Fund
New York
$226M
Bank of Montreal
70
Bank of Montreal
Ontario, Canada
$215M
DekaBank Deutsche Girozentrale
71
DekaBank Deutsche Girozentrale
Germany
$211M
AIM
72
Artemis Investment Management
United Kingdom
$208M
Citadel Advisors
73
Citadel Advisors
Florida
$207M
SLAM
74
Swiss Life Asset Management
$206M
Voloridge Investment Management
75
Voloridge Investment Management
Florida
$196M