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
2401
$257K
2402
$256K
2403
$255K
2404
$255K
2405
$254K
2406
$254K
2407
$254K
2408
$254K
2409
$253K
2410
$252K
2411
$252K
2412
$252K
2413
$252K
2414
$250K
2415
$250K
2416
$249K
2417
$249K
2418
$248K
2419
$248K
2420
$248K
2421
$248K
2422
$248K
2423
$247K
2424
$247K
2425
$247K