2,672 hedge funds and large institutions have $133B invested in Pfizer in 2021 Q1 according to their latest regulatory filings, with 166 funds opening new positions, 1,219 increasing their positions, 1,082 reducing their positions, and 132 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

less ownership

Funds ownership:

3% less capital invested

Capital invested by funds: $137B → $133B (-$3.81B)

14% less call options, than puts

Call options by funds: $1.88B | Put options by funds: $2.18B

14% less funds holding in top 10

Funds holding in top 10: 6455 (-9)

Holders
2,672
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
55
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.88B
Puts
$2.18B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
2001
$520K
2002
$520K
2003
$519K
2004
$518K
2005
$518K
2006
$518K
2007
$517K
2008
$516K
2009
$516K
2010
$516K
2011
$515K
2012
$515K
2013
$515K
2014
$515K
2015
$514K
2016
$513K
2017
$513K
2018
$512K
2019
$512K
2020
$512K
2021
$511K
2022
$509K
2023
$508K
2024
$507K
2025
$505K