2,903 hedge funds and large institutions have $95.1B invested in Pfizer in 2025 Q1 according to their latest regulatory filings, with 178 funds opening new positions, 1,269 increasing their positions, 1,190 reducing their positions, and 190 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less capital invested

Capital invested by funds: $ → $

less first-time investments, than exits

New positions opened: | Existing positions closed:

1.47% less ownership

Funds ownership: 66.09%64.62% (-1.5%)

2% less funds holding

Funds holding: 2,9722,903 (-69)

23% less call options, than puts

Call options by funds: $2.97B | Put options by funds: $3.87B

Holders
2,903
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
43
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.97B
Puts
$3.87B
Net Calls
Net Calls Change

Top Buyers

1 +$920M
2 +$568M
3 +$455M
4
Amundi
Amundi
France
+$383M
5
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$331M

Top Sellers

1 -$2.72B
2 -$925M
3 -$415M
4
1832 Asset Management
1832 Asset Management
Ontario, Canada
-$252M
5
Two Sigma Advisers
Two Sigma Advisers
New York
-$231M
Name Holding Trade Value Shares
Change
Change in
Stake
1726
$632K
1727
$632K
1728
$632K
1729
$631K
1730
$631K
1731
$630K
1732
$630K
1733
$627K
1734
$626K
1735
$625K
1736
$625K
1737
$625K
1738
$624K
1739
$623K
1740
$622K
1741
$621K
1742
$621K
1743
$619K
1744
$618K
1745
$618K
1746
$617K
1747
$614K
1748
$614K
1749
$613K
1750
$611K