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
576
$1.28M
577
$1.27M
578
$1.27M
579
$1.25M
580
$1.24M
581
$1.23M
582
$1.22M
583
$1.22M
584
$1.21M
585
$1.2M
586
$1.2M
587
$1.2M
588
$1.19M
589
$1.18M
590
$1.18M
591
$1.18M
592
$1.16M
593
$1.15M
594
$1.15M
595
$1.14M
596
$1.14M
597
$1.13M
598
$1.13M
599
$1.13M
600
$1.13M