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
926
$86K
927
$82K
928
$81K
929
$75K
930
$72K
931
$71K
932
$70K
933
$68K
934
$65K
935
$64K
936
$63K
937
$59K
938
$55K
939
$54K
940
$54K
941
$53K
942
$53K
943
$52K
944
$52K
945
$49K
946
$48K
947
$48K
948
$47K
949
$41K
950
$39.5K