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2,805 hedge funds and large institutions have $90.8B invested in Pfizer in 2025 Q2 according to their latest regulatory filings, with 142 funds opening new positions, 1,174 increasing their positions, 1,231 reducing their positions, and 230 closing their positions.

New
Increased
Maintained
Reduced
Closed

less ownership

Funds ownership:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less funds holding

Funds holding:

less capital invested

Capital invested by funds: $ → $

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: 230

Holders
2,805
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
2026
$364K
2027
$364K
2028
$364K
2029
$363K
2030
$363K
2031
$363K
2032
$362K
2033
$361K
2034
$361K
2035
$361K
2036
$360K
2037
$360K
2038
$359K
2039
$359K
2040
$358K
2041
$358K
2042
$357K
2043
$356K
2044
$356K
2045
$356K
2046
$356K
2047
$356K
2048
$356K
2049
$356K
2050
$354K