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
401
$2.34M
402
$2.34M
403
$2.33M
404
$2.31M
405
$2.31M
406
$2.28M
407
$2.27M
408
$2.2M
409
$2.19M
410
$2.18M
411
$2.14M
412
$2.1M
413
$2.09M
414
$2.09M
415
$2.09M
416
$2.08M
417
$2.08M
418
$2.07M
419
$2.07M
420
$2.05M
421
$2.04M
422
$2.04M
423
$2.03M
424
$2.02M
425
$1.95M