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
2851
$13.9K
2852
$13.8K
2853
$13.1K
2854
$13K
2855
$12.7K
2856
$11K
2857
$10.1K
2858
$10.1K
2859
$10.1K
2860
$10K
2861
$9.63K
2862
$9.59K
2863
$9.07K
2864
$8.86K
2865
$8.8K
2866
$8.78K
2867
$8.54K
2868
$8.08K
2869
$8K
2870
$7.73K
2871
$7.6K
2872
$7.41K
2873
$6.83K
2874
$6.62K
2875
$6.33K