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
1401
$1.09M
1402
$1.09M
1403
$1.09M
1404
$1.08M
1405
$1.08M
1406
$1.08M
1407
$1.08M
1408
$1.08M
1409
$1.08M
1410
$1.07M
1411
$1.07M
1412
$1.07M
1413
$1.06M
1414
$1.06M
1415
$1.06M
1416
$1.06M
1417
$1.05M
1418
$1.05M
1419
$1.05M
1420
$1.04M
1421
$1.04M
1422
$1.04M
1423
$1.04M
1424
$1.04M
1425
$1.04M