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2,805 hedge funds and large institutions have $90.8B invested in Pfizer in 2025 Q2 according to their latest regulatory filings, with 142 funds opening new positions, 1,174 increasing their positions, 1,231 reducing their positions, and 230 closing their positions.

New
Increased
Maintained
Reduced
Closed

less ownership

Funds ownership:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less funds holding

Funds holding:

less capital invested

Capital invested by funds: $ → $

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: 230

Holders
2,805
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
826
$2.77M
827
$2.75M
828
$2.75M
829
$2.75M
830
$2.73M
831
$2.73M
832
$2.71M
833
$2.7M
834
$2.7M
835
$2.7M
836
$2.69M
837
$2.67M
838
$2.66M
839
$2.66M
840
$2.65M
841
$2.65M
842
$2.63M
843
$2.63M
844
$2.63M
845
$2.62M
846
$2.62M
847
$2.62M
848
$2.6M
849
$2.6M
850
$2.6M