2,799 hedge funds and large institutions have $90.6B invested in Pfizer in 2025 Q2 according to their latest regulatory filings, with 142 funds opening new positions, 1,171 increasing their positions, 1,228 reducing their positions, and 229 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less capital invested

Capital invested by funds: $ → $

less funds holding

Funds holding:

21% less call options, than puts

Call options by funds: $2.61B | Put options by funds: $3.32B

34% less funds holding in top 10

Funds holding in top 10: 4429 (-15)

38% less first-time investments, than exits

New positions opened: 142 | Existing positions closed: 229

Holders
2,799
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
29
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.61B
Puts
$3.32B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
476
$7.37M
477
$7.36M
478
$7.34M
479
$7.34M
480
$7.32M
481
$7.31M
482
$7.3M
483
$7.27M
484
$7.27M
485
$7.24M
486
$7.23M
487
$7.22M
488
$7.22M
489
$7.21M
490
$7.17M
491
$7.12M
492
$7.1M
493
$7.07M
494
$7.05M
495
$7.02M
496
$7.01M
497
$6.99M
498
$6.97M
499
$6.95M
500
$6.89M