2,799 hedge funds and large institutions have $90.6B invested in Pfizer in 2025 Q2 according to their latest regulatory filings, with 142 funds opening new positions, 1,171 increasing their positions, 1,228 reducing their positions, and 229 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less capital invested

Capital invested by funds: $ → $

less funds holding

Funds holding:

21% less call options, than puts

Call options by funds: $2.61B | Put options by funds: $3.32B

34% less funds holding in top 10

Funds holding in top 10: 4429 (-15)

38% less first-time investments, than exits

New positions opened: 142 | Existing positions closed: 229

Holders
2,799
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
29
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.61B
Puts
$3.32B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
951
$2.08M
952
$2.08M
953
$2.07M
954
$2.07M
955
$2.07M
956
$2.06M
957
$2.06M
958
$2.06M
959
$2.05M
960
$2.04M
961
$2.04M
962
$2.04M
963
$2.03M
964
$2.03M
965
$2.03M
966
$2.03M
967
$2.02M
968
$2.02M
969
$2.01M
970
$2.01M
971
$2M
972
$1.99M
973
$1.99M
974
$1.99M
975
$1.98M