964 hedge funds and large institutions have $46.5B invested in Biogen in 2016 Q2 according to their latest regulatory filings, with 107 funds opening new positions, 368 increasing their positions, 347 reducing their positions, and 79 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
964
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
43
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.08B
Puts
$1.33B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
751
$326K
752
$326K
753
$323K
754
$321K
755
$319K
756
$313K
757
$312K
758
$312K
759
$310K
760
$309K
761
$308K
762
$307K
763
$307K
764
$306K
765
$303K
766
$301K
767
$298K
768
$297K
769
$294K
770
$292K
771
$291K
772
$291K
773
$291K
774
$290K
775
$290K