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
2601
$200K
2602
$200K
2603
$200K
2604
$198K
2605
$196K
2606
$192K
2607
$192K
2608
$192K
2609
$179K
2610
$178K
2611
$171K
2612
$171K
2613
$170K
2614
$168K
2615
$167K
2616
$165K
2617
$164K
2618
$161K
2619
$161K
2620
$160K
2621
$160K
2622
$158K
2623
$158K
2624
$156K
2625
$153K