BIIB icon

Biogen

656 hedge funds and large institutions have $52.6B invested in Biogen in 2013 Q3 according to their latest regulatory filings, with 73 funds opening new positions, 227 increasing their positions, 253 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

less call options, than puts

Call options by funds: $ | Put options by funds: $

10% less repeat investments, than reductions

Existing positions increased: 227 | Existing positions reduced: 253

17% less funds holding in top 10

Funds holding in top 10: 2924 (-5)

Holders
656
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
24
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$619M
Puts
$689M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
401
$1.22M
402
$1.22M
403
$1.2M
404
$1.18M
405
$1.17M
406
$1.16M
407
$1.14M
408
$1.11M
409
$1.09M
410
$1.09M
411
$1.08M
412
$1.07M
413
$1.07M
414
$1.06M
415
$1.06M
416
$1.06M
417
$1.06M
418
$1.01M
419
$988K
420
$987K
421
$986K
422
$979K
423
$963K
424
$963K
425
$957K