2,796 hedge funds and large institutions have $90.6B invested in Pfizer in 2025 Q2 according to their latest regulatory filings, with 143 funds opening new positions, 1,169 increasing their positions, 1,226 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: 143 | Existing positions closed: 229

Holders
2,796
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
501
$6.86M
502
$6.83M
503
$6.82M
504
$6.74M
505
$6.72M
506
$6.7M
507
$6.69M
508
$6.68M
509
$6.65M
510
$6.59M
511
$6.58M
512
$6.57M
513
$6.5M
514
$6.48M
515
$6.46M
516
$6.42M
517
$6.39M
518
$6.33M
519
$6.24M
520
$6.24M
521
$6.24M
522
$6.2M
523
$6.18M
524
$6.16M
525
$6.14M