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
1751
$544K
1752
$539K
1753
$539K
1754
$534K
1755
$534K
1756
$534K
1757
$531K
1758
$530K
1759
$530K
1760
$528K
1761
$526K
1762
$523K
1763
$523K
1764
$520K
1765
$519K
1766
$519K
1767
$518K
1768
$518K
1769
$518K
1770
$518K
1771
$516K
1772
$516K
1773
$516K
1774
$515K
1775
$514K