965 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, 348 reducing their positions, and 79 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
965
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
$326K
754
$323K
755
$321K
756
$319K
757
$313K
758
$312K
759
$312K
760
$310K
761
$309K
762
$308K
763
$307K
764
$307K
765
$306K
766
$303K
767
$301K
768
$298K
769
$297K
770
$294K
771
$292K
772
$291K
773
$291K
774
$291K
775
$290K