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
851
$288K
852
$284K
853
$284K
854
$283K
855
$282K
856
$279K
857
$277K
858
$275K
859
$273K
860
$271K
861
$271K
862
$268K
863
$268K
864
$267K
865
$267K
866
$266K
867
$264K
868
$261K
869
$261K
870
$257K
871
$257K
872
$255K
873
$254K
874
$253K
875
$252K