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
2126
$325K
2127
$325K
2128
$324K
2129
$324K
2130
$323K
2131
$323K
2132
$323K
2133
$322K
2134
$322K
2135
$322K
2136
$322K
2137
$320K
2138
$320K
2139
$319K
2140
$318K
2141
$317K
2142
$317K
2143
$316K
2144
$316K
2145
$316K
2146
$316K
2147
$314K
2148
$313K
2149
$313K
2150
$313K