2,796 hedge funds and large institutions have $90.6B invested in Pfizer in 2025 Q2 according to their latest regulatory filings, with 143 funds opening new positions, 1,169 increasing their positions, 1,226 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: 143 | Existing positions closed: 229

Holders
2,796
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
1651
$631K
1652
$630K
1653
$630K
1654
$629K
1655
$629K
1656
$628K
1657
$628K
1658
$623K
1659
$622K
1660
$621K
1661
$620K
1662
$620K
1663
$619K
1664
$617K
1665
$616K
1666
$614K
1667
$612K
1668
$611K
1669
$611K
1670
$607K
1671
$607K
1672
$606K
1673
$605K
1674
$605K
1675
$604K