1,024 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, 400 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
1,024
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
476
$2.38M
477
$2.38M
478
$2.37M
479
$2.35M
480
$2.31M
481
$2.3M
482
$2.3M
483
$2.27M
484
$2.26M
485
$2.25M
486
$2.24M
487
$2.23M
488
$2.22M
489
$2.22M
490
$2.22M
491
$2.21M
492
$2.21M
493
$2.2M
494
$2.19M
495
$2.18M
496
$2.18M
497
$2.18M
498
$2.17M
499
$2.17M
500
$2.16M