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
551
$1.31M
552
$1.31M
553
$1.29M
554
$1.29M
555
$1.25M
556
$1.24M
557
$1.24M
558
$1.23M
559
$1.22M
560
$1.21M
561
$1.21M
562
$1.21M
563
$1.21M
564
$1.19M
565
$1.19M
566
$1.19M
567
$1.19M
568
$1.17M
569
$1.16M
570
$1.16M
571
$1.16M
572
$1.15M
573
$1.14M
574
$1.12M
575
$1.12M