1,098 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, 476 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:

0.81% less ownership

Funds ownership: 84.2%83.39% (-0.81%)

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: 476

Holders
1,098
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 +$690M
2 +$236M
3 +$221M
4
O
OrbiMed
New York
+$126M
5
BlackRock
BlackRock
New York
+$117M
Name Holding Trade Value Shares
Change
Change in
Stake
551
$1.12M
552
$1.12M
553
$1.09M
554
$1.09M
555
$1.09M
556
$1.08M
557
$1.07M
558
$1.07M
559
$1.07M
560
$1.05M
561
$1.05M
562
$1.04M
563
$1.03M
564
$1.03M
565
$1.02M
566
$1.01M
567
$1.01M
568
$984K
569
$972K
570
$971K
571
$967K
572
$953K
573
$952K
574
$949K
575
$943K