2,925 hedge funds and large institutions have $114B invested in Pfizer in 2023 Q4 according to their latest regulatory filings, with 324 funds opening new positions, 865 increasing their positions, 1,584 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: 1,584

Holders
2,925
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
2001
$480K
2002
$480K
2003
$480K
2004
$479K
2005
$479K
2006
$478K
2007
$478K
2008
$478K
2009
$477K
2010
$477K
2011
$476K
2012
$476K
2013
$475K
2014
$475K
2015
$475K
2016
$474K
2017
$473K
2018
$473K
2019
$471K
2020
$471K
2021
$471K
2022
$470K
2023
$470K
2024
$469K
2025
$467K