2,920 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, 1,277 increasing their positions, 1,197 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:

1.51% less ownership

Funds ownership: 66.17%64.66% (-1.5%)

2% less funds holding

Funds holding: 2,9852,920 (-65)

23% less call options, than puts

Call options by funds: $2.98B | Put options by funds: $3.87B

Holders
2,920
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
2451
$240K
2452
$239K
2453
$239K
2454
$239K
2455
$239K
2456
$238K
2457
$238K
2458
$238K
2459
$237K
2460
$237K
2461
$237K
2462
$237K
2463
$237K
2464
$237K
2465
$236K
2466
$236K
2467
$236K
2468
$236K
2469
$236K
2470
$236K
2471
$235K
2472
$235K
2473
$235K
2474
$235K
2475
$235K