2,241 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, 862 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: 862

8% less funds holding in top 10

Funds holding in top 10: 177163 (-14)

27% less call options, than puts

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

Holders
2,241
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 +$438M
2 +$411M
3 +$308M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$287M
5
Bank of New York Mellon
Bank of New York Mellon
New York
+$271M

Top Sellers

1 -$590M
2 -$434M
3 -$261M
4
Citadel Advisors
Citadel Advisors
Florida
-$242M
5
Renaissance Technologies
Renaissance Technologies
New York
-$166M
Name Holding Trade Value Shares
Change
Change in
Stake
676
$6.79M
677
$6.78M
678
$6.72M
679
$6.71M
680
$6.71M
681
$6.71M
682
$6.7M
683
$6.65M
684
$6.64M
685
$6.64M
686
$6.63M
687
$6.59M
688
$6.58M
689
$6.58M
690
$6.57M
691
$6.54M
692
$6.52M
693
$6.47M
694
$6.46M
695
$6.46M
696
$6.45M
697
$6.45M
698
$6.41M
699
$6.37M
700
$6.34M