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
576
$1.09M
577
$1.09M
578
$1.08M
579
$1.08M
580
$1.06M
581
$1.06M
582
$1.05M
583
$1.04M
584
$1.04M
585
$1.04M
586
$1.03M
587
$1.02M
588
$1.02M
589
$1.02M
590
$1.02M
591
$980K
592
$974K
593
$967K
594
$964K
595
$962K
596
$961K
597
$957K
598
$953K
599
$943K
600
$940K