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
1526
$768K
1527
$767K
1528
$763K
1529
$761K
1530
$761K
1531
$760K
1532
$756K
1533
$754K
1534
$754K
1535
$753K
1536
$753K
1537
$752K
1538
$751K
1539
$750K
1540
$749K
1541
$749K
1542
$749K
1543
$747K
1544
$745K
1545
$742K
1546
$741K
1547
$741K
1548
$741K
1549
$738K
1550
$736K