2,894 hedge funds and large institutions have $94.8B invested in Pfizer in 2025 Q1 according to their latest regulatory filings, with 181 funds opening new positions, 1,265 increasing their positions, 1,185 reducing their positions, and 189 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less first-time investments, than exits

New positions opened: | Existing positions closed:

less capital invested

Capital invested by funds: $ → $

1.53% less ownership

Funds ownership: 65.99%64.46% (-1.5%)

2% less funds holding

Funds holding: 2,9612,894 (-67)

23% less call options, than puts

Call options by funds: $2.97B | Put options by funds: $3.87B

Holders
2,894
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
43
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.97B
Puts
$3.87B
Net Calls
Net Calls Change

Top Buyers

1 +$920M
2 +$568M
3 +$455M
4
Amundi
Amundi
France
+$383M
5
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$331M

Top Sellers

1 -$2.72B
2 -$925M
3 -$415M
4
1832 Asset Management
1832 Asset Management
Ontario, Canada
-$252M
5
Two Sigma Advisers
Two Sigma Advisers
New York
-$231M
Name Holding Trade Value Shares
Change
Change in
Stake
XT
2926
XTX Topco
Cayman Islands
CFGS
2927
Concourse Financial Group Securities
Alabama
SM
2928
Sciencast Management
New Jersey
CGF
2929
Constant Guidance Financial
Massachusetts
FHB
2930
First Hawaiian Bank
Hawaii
TSS
2931
Two Sigma Securities
New York
BFM
2932
Boothbay Fund Management
New York
WP
2933
WMS Partners
Maryland
MP
2934
Mangrove Partners
Connecticut
RAM
2935
Readystate Asset Management
Illinois
MCM
2936
Mainstay Capital Management
Michigan
CBA
2937
Coastal Bridge Advisors
Connecticut
LWL
2938
Leo Wealth LLC
Texas
FNBOMD
2939
First National Bank of Mount Dora
Florida
CSS
2940
Cubist Systematic Strategies
Connecticut
SLWA
2941
San Luis Wealth Advisors
California
DACS
2942
Dymon Asia Capital (Singapore)
Singapore
UF
2943
Univest Financial
Pennsylvania
MCM
2944
Mainstream Capital Management
California
AFS
2945
Aft Forsyth & Sober
Florida
Impax Asset Management Group
2946
Impax Asset Management Group
United Kingdom
4WM
2947
44 Wealth Management
Oregon
CCC
2948
Chelsea Counsel Company
California
HCM
2949
Harvey Capital Management
Florida
WIM
2950
Waverton Investment Management
United Kingdom