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
551
$1.61M
552
$1.6M
553
$1.59M
554
$1.59M
555
$1.59M
556
$1.58M
557
$1.58M
558
$1.55M
559
$1.55M
560
$1.53M
561
$1.53M
562
$1.52M
563
$1.51M
564
$1.51M
565
$1.5M
566
$1.48M
567
$1.45M
568
$1.45M
569
$1.43M
570
$1.42M
571
$1.38M
572
$1.36M
573
$1.31M
574
$1.31M
575
$1.31M