987 hedge funds and large institutions have $37.1B invested in Biogen in 2019 Q3 according to their latest regulatory filings, with 77 funds opening new positions, 319 increasing their positions, 416 reducing their positions, and 94 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more ownership

Funds ownership:

less capital invested

Capital invested by funds: $ → $

less funds holding

Funds holding:

18% less first-time investments, than exits

New positions opened: 77 | Existing positions closed: 94

23% less call options, than puts

Call options by funds: $1.07B | Put options by funds: $1.38B

23% less repeat investments, than reductions

Existing positions increased: 319 | Existing positions reduced: 416

Holders
987
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
17
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.07B
Puts
$1.38B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
551
$868K
552
$849K
553
$843K
554
$842K
555
$840K
556
$830K
557
$827K
558
$827K
559
$815K
560
$810K
561
$797K
562
$780K
563
$769K
564
$764K
565
$763K
566
$750K
567
$743K
568
$742K
569
$740K
570
$738K
571
$733K
572
$726K
573
$717K
574
$716K
575
$702K