2,916 hedge funds and large institutions have $95.1B invested in Pfizer in 2025 Q1 according to their latest regulatory filings, with 177 funds opening new positions, 1,275 increasing their positions, 1,196 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: 66.11%64.64% (-1.5%)

2% less funds holding

Funds holding: 2,9822,916 (-66)

23% less call options, than puts

Call options by funds: $2.98B | Put options by funds: $3.87B

Holders
2,916
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
44
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.98B
Puts
$3.87B
Net Calls
Net Calls Change

Top Buyers

1 +$950M
2 +$587M
3 +$470M
4
Amundi
Amundi
France
+$412M
5
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$342M

Top Sellers

1 -$2.81B
2 -$955M
3 -$429M
4
1832 Asset Management
1832 Asset Management
Ontario, Canada
-$261M
5
Two Sigma Advisers
Two Sigma Advisers
New York
-$239M
Name Holding Trade Value Shares
Change
Change in
Stake
1701
$663K
1702
$660K
1703
$660K
1704
$660K
1705
$660K
1706
$658K
1707
$657K
1708
$655K
1709
$655K
1710
$654K
1711
$653K
1712
$650K
1713
$649K
1714
$649K
1715
$644K
1716
$644K
1717
$644K
1718
$642K
1719
$641K
1720
$640K
1721
$639K
1722
$638K
1723
$638K
1724
$638K
1725
$637K