2,902 hedge funds and large institutions have $95B invested in Pfizer in 2025 Q1 according to their latest regulatory filings, with 177 funds opening new positions, 1,269 increasing their positions, 1,190 reducing their positions, and 190 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 capital invested

Capital invested by funds: $ → $

less first-time investments, than exits

New positions opened: | Existing positions closed:

1.53% less ownership

Funds ownership: 66.09%64.56% (-1.5%)

2% less funds holding

Funds holding: 2,9722,902 (-70)

23% less call options, than puts

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

Holders
2,902
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
1051
$1.95M
1052
$1.94M
1053
$1.94M
1054
$1.94M
1055
$1.94M
1056
$1.94M
1057
$1.94M
1058
$1.94M
1059
$1.93M
1060
$1.93M
1061
$1.93M
1062
$1.93M
1063
$1.92M
1064
$1.91M
1065
$1.91M
1066
$1.91M
1067
$1.9M
1068
$1.9M
1069
$1.9M
1070
$1.9M
1071
$1.9M
1072
$1.9M
1073
$1.89M
1074
$1.89M
1075
$1.89M