1,014 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, 356 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: 87.77%89.15% (+1.4%)

7% more repeat investments, than reductions

Existing positions increased: 380 | Existing positions reduced: 356

22% less call options, than puts

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

Holders
1,014
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
826
$275K
827
$275K
828
$274K
829
$273K
830
$272K
831
$272K
832
$270K
833
$269K
834
$267K
835
$267K
836
$266K
837
$266K
838
$266K
839
$266K
840
$263K
841
$263K
842
$263K
843
$262K
844
$261K
845
$260K
846
$260K
847
$258K
848
$257K
849
$252K
850
$250K