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
551
$1.31M
552
$1.29M
553
$1.29M
554
$1.25M
555
$1.24M
556
$1.24M
557
$1.23M
558
$1.22M
559
$1.21M
560
$1.21M
561
$1.21M
562
$1.21M
563
$1.19M
564
$1.19M
565
$1.19M
566
$1.19M
567
$1.17M
568
$1.16M
569
$1.16M
570
$1.16M
571
$1.15M
572
$1.14M
573
$1.12M
574
$1.12M
575
$1.11M