2,928 hedge funds and large institutions have $114B invested in Pfizer in 2023 Q4 according to their latest regulatory filings, with 326 funds opening new positions, 865 increasing their positions, 1,585 reducing their positions, and 269 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more ownership

Funds ownership:

more funds holding

Funds holding:

less capital invested

Capital invested by funds: $ → $

23% less funds holding in top 10

Funds holding in top 10: 5240 (-12)

29% less call options, than puts

Call options by funds: $2.5B | Put options by funds: $3.5B

45% less repeat investments, than reductions

Existing positions increased: 865 | Existing positions reduced: 1,585

Holders
2,928
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
40
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.5B
Puts
$3.5B
Net Calls
Net Calls Change

Top Buyers

1 +$2.4B
2 +$336M
3 +$331M
4
Citadel Advisors
Citadel Advisors
Florida
+$282M
5
Charles Schwab
Charles Schwab
California
+$256M

Top Sellers

1 -$558M
2 -$300M
3 -$266M
4
Pacer Advisors
Pacer Advisors
Pennsylvania
-$262M
5
Two Sigma Investments
Two Sigma Investments
New York
-$232M
Name Holding Trade Value Shares
Change
Change in
Stake
2026
$469K
2027
$467K
2028
$466K
2029
$466K
2030
$466K
2031
$465K
2032
$465K
2033
$465K
2034
$462K
2035
$462K
2036
$460K
2037
$460K
2038
$459K
2039
$458K
2040
$458K
2041
$458K
2042
$457K
2043
$457K
2044
$456K
2045
$456K
2046
$456K
2047
$455K
2048
$455K
2049
$455K
2050
$453K