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2,926 hedge funds and large institutions have $97.4B invested in Pfizer in 2025 Q1 according to their latest regulatory filings, with 179 funds opening new positions, 1,280 increasing their positions, 1,199 reducing their positions, and 190 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

less capital invested

Capital invested by funds: $ → $

6% less first-time investments, than exits

New positions opened: 179 | Existing positions closed: 190

2% less funds holding

Funds holding: 2,9902,926 (-64)

23% less call options, than puts

Call options by funds: $2.98B | Put options by funds: $3.87B

Holders
2,926
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
44
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.98B
Puts
$3.87B
Net Calls
Net Calls Change

Top Buyers

1 +$950M
2 +$587M
3 +$470M
4
Amundi
Amundi
France
+$412M
5
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$342M

Top Sellers

1 -$2.81B
2 -$955M
3 -$429M
4
1832 Asset Management
1832 Asset Management
Ontario, Canada
-$261M
5
Two Sigma Advisers
Two Sigma Advisers
New York
-$239M
Name Holding Trade Value Shares
Change
Change in
Stake
2126
$375K
2127
$375K
2128
$374K
2129
$374K
2130
$374K
2131
$373K
2132
$373K
2133
$373K
2134
$372K
2135
$372K
2136
$371K
2137
$370K
2138
$370K
2139
$369K
2140
$369K
2141
$368K
2142
$368K
2143
$368K
2144
$367K
2145
$367K
2146
$367K
2147
$366K
2148
$366K
2149
$365K
2150
$364K