1,025 hedge funds and large institutions have $53.8B invested in Biogen in 2016 Q4 according to their latest regulatory filings, with 137 funds opening new positions, 364 increasing their positions, 401 reducing their positions, and 107 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

9% less capital invested

Capital invested by funds: $59.3B → $53.8B (-$5.52B)

13% less call options, than puts

Call options by funds: $1.52B | Put options by funds: $1.74B

28% less funds holding in top 10

Funds holding in top 10: 5741 (-16)

Holders
1,025
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
41
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.52B
Puts
$1.74B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
451
$2.9M
452
$2.9M
453
$2.89M
454
$2.88M
455
$2.84M
456
$2.84M
457
$2.84M
458
$2.83M
459
$2.82M
460
$2.79M
461
$2.76M
462
$2.75M
463
$2.75M
464
$2.72M
465
$2.71M
466
$2.7M
467
$2.68M
468
$2.67M
469
$2.64M
470
$2.59M
471
$2.59M
472
$2.55M
473
$2.51M
474
$2.47M
475
$2.47M