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2,921 hedge funds and large institutions have $131B invested in Pfizer in 2023 Q3 according to their latest regulatory filings, with 126 funds opening new positions, 1,185 increasing their positions, 1,381 reducing their positions, and 207 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

less ownership

Funds ownership:

less call options, than puts

Call options by funds: $ | Put options by funds: $

less funds holding

Funds holding:

10% less capital invested

Capital invested by funds: $145B → $131B (-$14.2B)

14% less repeat investments, than reductions

Existing positions increased: 1,185 | Existing positions reduced: 1,381

39% less first-time investments, than exits

New positions opened: 126 | Existing positions closed: 207

Holders
2,921
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
52
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.44B
Puts
$2.65B
Net Calls
Net Calls Change

Top Buyers

1 +$581M
2 +$332M
3 +$287M
4
Balyasny Asset Management
Balyasny Asset Management
Illinois
+$251M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$236M

Top Sellers

1 -$595M
2 -$414M
3 -$354M
4
Bank of America
Bank of America
North Carolina
-$263M
5
BlackRock
BlackRock
New York
-$220M
Name Holding Trade Value Shares
Change
Change in
Stake
2026
$552K
2027
$552K
2028
$551K
2029
$551K
2030
$549K
2031
$548K
2032
$547K
2033
$547K
2034
$547K
2035
$547K
2036
$546K
2037
$546K
2038
$546K
2039
$545K
2040
$545K
2041
$545K
2042
$544K
2043
$543K
2044
$543K
2045
$543K
2046
$543K
2047
$542K
2048
$542K
2049
$541K
2050
$540K