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
1776
$512K
1777
$510K
1778
$507K
1779
$507K
1780
$505K
1781
$504K
1782
$503K
1783
$503K
1784
$502K
1785
$501K
1786
$501K
1787
$501K
1788
$500K
1789
$499K
1790
$499K
1791
$499K
1792
$497K
1793
$497K
1794
$497K
1795
$496K
1796
$496K
1797
$496K
1798
$495K
1799
$495K
1800
$495K