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
1576
$708K
1577
$707K
1578
$706K
1579
$704K
1580
$701K
1581
$700K
1582
$700K
1583
$700K
1584
$700K
1585
$700K
1586
$698K
1587
$697K
1588
$696K
1589
$694K
1590
$693K
1591
$693K
1592
$692K
1593
$690K
1594
$688K
1595
$688K
1596
$687K
1597
$686K
1598
$685K
1599
$682K
1600
$680K