2,903 hedge funds and large institutions have $95.1B invested in Pfizer in 2025 Q1 according to their latest regulatory filings, with 178 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:

1.47% less ownership

Funds ownership: 66.09%64.62% (-1.5%)

2% less funds holding

Funds holding: 2,9722,903 (-69)

23% less call options, than puts

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

Holders
2,903
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
2076
$391K
2077
$390K
2078
$388K
2079
$388K
2080
$388K
2081
$388K
2082
$387K
2083
$387K
2084
$386K
2085
$386K
2086
$386K
2087
$385K
2088
$385K
2089
$385K
2090
$384K
2091
$384K
2092
$384K
2093
$383K
2094
$383K
2095
$382K
2096
$381K
2097
$381K
2098
$380K
2099
$380K
2100
$380K