2,666 hedge funds and large institutions have $133B invested in Pfizer in 2021 Q1 according to their latest regulatory filings, with 165 funds opening new positions, 1,217 increasing their positions, 1,080 reducing their positions, and 131 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: $136B → $133B (-$3.82B)

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
2,666
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
$517K
2002
$516K
2003
$516K
2004
$516K
2005
$515K
2006
$515K
2007
$515K
2008
$515K
2009
$514K
2010
$513K
2011
$513K
2012
$512K
2013
$512K
2014
$512K
2015
$511K
2016
$509K
2017
$508K
2018
$507K
2019
$505K
2020
$505K
2021
$504K
2022
$504K
2023
$501K
2024
$501K
2025
$500K