2,388 hedge funds and large institutions have $173B invested in Pfizer in 2019 Q1 according to their latest regulatory filings, with 132 funds opening new positions, 905 increasing their positions, 1,112 reducing their positions, and 111 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

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

more ownership

Funds ownership:

less funds holding

Funds holding:

4% less capital invested

Capital invested by funds: $180B → $173B (-$6.79B)

19% less repeat investments, than reductions

Existing positions increased: 905 | Existing positions reduced: 1,112

39% less funds holding in top 10

Funds holding in top 10: 327201 (-126)

Holders
2,388
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
201
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.53B
Puts
$1.29B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
2001
$411K
2002
$409K
2003
$408K
2004
$406K
2005
$405K
2006
$404K
2007
$404K
2008
$403K
2009
$401K
2010
$400K
2011
$399K
2012
$398K
2013
$396K
2014
$396K
2015
$395K
2016
$394K
2017
$393K
2018
$392K
2019
$392K
2020
$391K
2021
$390K
2022
$389K
2023
$389K
2024
$386K
2025
$386K