1,012 hedge funds and large institutions have $59.3B invested in Biogen in 2016 Q3 according to their latest regulatory filings, with 121 funds opening new positions, 338 increasing their positions, 399 reducing their positions, and 67 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

6% less call options, than puts

Call options by funds: $1.49B | Put options by funds: $1.59B

15% less repeat investments, than reductions

Existing positions increased: 338 | Existing positions reduced: 399

Holders
1,012
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
57
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.49B
Puts
$1.59B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
626
$971K
627
$970K
628
$969K
629
$963K
630
$962K
631
$959K
632
$939K
633
$939K
634
$939K
635
$930K
636
$928K
637
$908K
638
$908K
639
$901K
640
$894K
641
$876K
642
$876K
643
$874K
644
$869K
645
$866K
646
$862K
647
$858K
648
$857K
649
$853K
650
$836K