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
651
$4.18M
652
$4.17M
653
$4.16M
654
$4.14M
655
$4.14M
656
$4.13M
657
$4.1M
658
$4.1M
659
$4.1M
660
$4.1M
661
$4.07M
662
$4.07M
663
$4.06M
664
$4.06M
665
$4.06M
666
$4.05M
667
$4.04M
668
$4.04M
669
$4.02M
670
$4.02M
671
$4.02M
672
$4M
673
$3.99M
674
$3.98M
675
$3.96M