1,096 hedge funds and large institutions have $45.8B invested in Biogen in 2020 Q1 according to their latest regulatory filings, with 112 funds opening new positions, 325 increasing their positions, 474 reducing their positions, and 101 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: $ → $

less funds holding

Funds holding:

0.8% less ownership

Funds ownership: 84.16%83.37% (-0.8%)

18% less call options, than puts

Call options by funds: $1.24B | Put options by funds: $1.51B

31% less repeat investments, than reductions

Existing positions increased: 325 | Existing positions reduced: 474

Holders
1,096
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
49
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.24B
Puts
$1.51B
Net Calls
Net Calls Change

Top Buyers

1 +$719M
2 +$246M
3 +$231M
4
O
OrbiMed
New York
+$132M
5
BlackRock
BlackRock
New York
+$122M
Name Holding Trade Value Shares
Change
Change in
Stake
1026
$24K
1027
$24K
1028
$23K
1029
$23K
1030
$22K
1031
$22K
1032
$21K
1033
$20K
1034
$20K
1035
$20K
1036
$19K
1037
$18K
1038
$17K
1039
$16K
1040
$16K
1041
$16K
1042
$16K
1043
$15.5K
1044
$15.2K
1045
$15K
1046
$15K
1047
$15K
1048
$15K
1049
$14K
1050
$13K