2,903 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, 1,269 increasing their positions, 1,190 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: 66.09%64.62% (-1.5%)

2% less funds holding

Funds holding: 2,9722,903 (-69)

23% less call options, than puts

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

Holders
2,903
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
Name Holding Trade Value Shares
Change
Change in
Stake
2301
$292K
2302
$291K
2303
$291K
2304
$291K
2305
$290K
2306
$290K
2307
$290K
2308
$290K
2309
$290K
2310
$289K
2311
$289K
2312
$289K
2313
$289K
2314
$289K
2315
$288K
2316
$288K
2317
$287K
2318
$287K
2319
$286K
2320
$286K
2321
$285K
2322
$285K
2323
$284K
2324
$284K
2325
$284K