1,097 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, 475 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: 84.17%83.37% (-0.8%)

18% less call options, than puts

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

32% less repeat investments, than reductions

Existing positions increased: 325 | Existing positions reduced: 475

Holders
1,097
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
676
$506K
677
$505K
678
$504K
679
$503K
680
$502K
681
$501K
682
$500K
683
$500K
684
$499K
685
$498K
686
$496K
687
$493K
688
$492K
689
$492K
690
$490K
691
$488K
692
$487K
693
$487K
694
$487K
695
$487K
696
$483K
697
$479K
698
$478K
699
$478K
700
$477K