1,096 hedge funds and large institutions have $51.9B invested in Biogen in 2018 Q2 according to their latest regulatory filings, with 82 funds opening new positions, 419 increasing their positions, 413 reducing their positions, and 79 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,096
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
28
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$755M
Puts
$1.28B
Net Calls
Net Calls Change

Top Buyers

1 +$193M
2 +$192M
3 +$115M
4
ClearBridge Investments
ClearBridge Investments
New York
+$98.9M
5
Invesco
Invesco
Georgia
+$88.1M
Name Holding Trade Value Shares
Change
Change in
Stake
726
$525K
727
$522K
728
$520K
729
$518K
730
$517K
731
$517K
732
$517K
733
$516K
734
$510K
735
$509K
736
$508K
737
$507K
738
$506K
739
$506K
740
$503K
741
$499K
742
$495K
743
$495K
744
$493K
745
$492K
746
$484K
747
$483K
748
$482K
749
$479K
750
$479K