1,013 hedge funds and large institutions have $59B invested in Biogen in 2017 Q3 according to their latest regulatory filings, with 99 funds opening new positions, 380 increasing their positions, 355 reducing their positions, and 68 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

1.38% more ownership

Funds ownership: 87.76%89.14% (+1.4%)

7% more repeat investments, than reductions

Existing positions increased: 380 | Existing positions reduced: 355

22% less call options, than puts

Call options by funds: $974M | Put options by funds: $1.24B

Holders
1,013
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
38
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$974M
Puts
$1.24B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
676
$629K
677
$629K
678
$628K
679
$626K
680
$626K
681
$626K
682
$626K
683
$626K
684
$620K
685
$614K
686
$612K
687
$612K
688
$606K
689
$595K
690
$588K
691
$579K
692
$579K
693
$577K
694
$576K
695
$571K
696
$570K
697
$564K
698
$558K
699
$558K
700
$557K