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Biogen

922 hedge funds and large institutions have $58.4B invested in Biogen in 2015 Q3 according to their latest regulatory filings, with 105 funds opening new positions, 406 increasing their positions, 283 reducing their positions, and 150 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
922
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
37
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.22B
Puts
$1.8B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
576
$911K
577
$905K
578
$904K
579
$895K
580
$886K
581
$879K
582
$875K
583
$875K
584
$875K
585
$873K
586
$867K
587
$859K
588
$847K
589
$843K
590
$837K
591
$836K
592
$832K
593
$827K
594
$816K
595
$807K
596
$806K
597
$801K
598
$801K
599
$795K
600
$793K