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
876
$237K
877
$237K
878
$237K
879
$236K
880
$235K
881
$234K
882
$234K
883
$231K
884
$231K
885
$229K
886
$228K
887
$228K
888
$228K
889
$227K
890
$227K
891
$227K
892
$227K
893
$226K
894
$226K
895
$224K
896
$223K
897
$222K
898
$220K
899
$219K
900
$219K