2,920 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, 1,277 increasing their positions, 1,197 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:

1.51% less ownership

Funds ownership: 66.17%64.66% (-1.5%)

2% less funds holding

Funds holding: 2,9852,920 (-65)

23% less call options, than puts

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

Holders
2,920
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
2626
$151K
2627
$151K
2628
$148K
2629
$148K
2630
$143K
2631
$142K
2632
$140K
2633
$140K
2634
$139K
2635
$137K
2636
$137K
2637
$136K
2638
$135K
2639
$135K
2640
$134K
2641
$134K
2642
$133K
2643
$131K
2644
$131K
2645
$130K
2646
$129K
2647
$126K
2648
$126K
2649
$125K
2650
$124K