2,240 hedge funds and large institutions have $154B invested in Pfizer in 2017 Q4 according to their latest regulatory filings, with 282 funds opening new positions, 859 increasing their positions, 861 reducing their positions, and 59 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more capital invested

Capital invested by funds: $ → $

more ownership

Funds ownership:

0% less repeat investments, than reductions

Existing positions increased: 859 | Existing positions reduced: 861

7% less funds holding in top 10

Funds holding in top 10: 176163 (-13)

27% less call options, than puts

Call options by funds: $937M | Put options by funds: $1.28B

Holders
2,240
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
163
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$937M
Puts
$1.28B
Net Calls
Net Calls Change

Top Buyers

1 +$441M
2 +$414M
3 +$310M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$289M
5
Bank of New York Mellon
Bank of New York Mellon
New York
+$273M

Top Sellers

1 -$595M
2 -$437M
3 -$261M
4
Citadel Advisors
Citadel Advisors
Florida
-$244M
5
Renaissance Technologies
Renaissance Technologies
New York
-$167M
Name Holding Trade Value Shares
Change
Change in
Stake
1826
$437K
1827
$437K
1828
$433K
1829
$429K
1830
$429K
1831
$428K
1832
$427K
1833
$427K
1834
$425K
1835
$424K
1836
$423K
1837
$422K
1838
$420K
1839
$420K
1840
$416K
1841
$415K
1842
$415K
1843
$414K
1844
$412K
1845
$412K
1846
$412K
1847
$409K
1848
$408K
1849
$408K
1850
$407K