2,902 hedge funds and large institutions have $95B invested in Pfizer in 2025 Q1 according to their latest regulatory filings, with 177 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:

1.53% less ownership

Funds ownership: 66.09%64.56% (-1.5%)

2% less funds holding

Funds holding: 2,9722,902 (-70)

23% less call options, than puts

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

Holders
2,902
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
2451
$237K
2452
$236K
2453
$236K
2454
$236K
2455
$236K
2456
$236K
2457
$236K
2458
$235K
2459
$235K
2460
$235K
2461
$235K
2462
$235K
2463
$234K
2464
$234K
2465
$234K
2466
$234K
2467
$234K
2468
$234K
2469
$233K
2470
$233K
2471
$233K
2472
$232K
2473
$232K
2474
$232K
2475
$232K