2,894 hedge funds and large institutions have $94.8B invested in Pfizer in 2025 Q1 according to their latest regulatory filings, with 181 funds opening new positions, 1,265 increasing their positions, 1,185 reducing their positions, and 189 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 first-time investments, than exits

New positions opened: | Existing positions closed:

less capital invested

Capital invested by funds: $ → $

1.53% less ownership

Funds ownership: 65.99%64.46% (-1.5%)

2% less funds holding

Funds holding: 2,9612,894 (-67)

23% less call options, than puts

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

Holders
2,894
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