BIIB icon

Biogen

1,018 hedge funds and large institutions have $51.5B invested in Biogen in 2017 Q1 according to their latest regulatory filings, with 90 funds opening new positions, 389 increasing their positions, 395 reducing their positions, and 83 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more ownership

Funds ownership:

less funds holding

Funds holding:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

4% less capital invested

Capital invested by funds: $53.8B → $51.5B (-$2.28B)

25% less call options, than puts

Call options by funds: $808M | Put options by funds: $1.07B

34% less funds holding in top 10

Funds holding in top 10: 4127 (-14)

Holders
1,018
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
27
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$808M
Puts
$1.07B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
601
$1.02M
602
$1.02M
603
$1.01M
604
$1.01M
605
$990K
606
$989K
607
$984K
608
$982K
609
$981K
610
$980K
611
$966K
612
$964K
613
$954K
614
$945K
615
$929K
616
$927K
617
$926K
618
$924K
619
$918K
620
$917K
621
$904K
622
$903K
623
$902K
624
$894K
625
$894K