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
901
$175K
902
$175K
903
$172K
904
$164K
905
$164K
906
$158K
907
$157K
908
$157K
909
$153K
910
$141K
911
$139K
912
$138K
913
$138K
914
$136K
915
$131K
916
$130K
917
$125K
918
$125K
919
$124K
920
$124K
921
$121K
922
$115K
923
$113K
924
$111K
925
$111K