1,012 hedge funds and large institutions have $59.3B invested in Biogen in 2016 Q3 according to their latest regulatory filings, with 121 funds opening new positions, 338 increasing their positions, 399 reducing their positions, and 67 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

6% less call options, than puts

Call options by funds: $1.49B | Put options by funds: $1.59B

15% less repeat investments, than reductions

Existing positions increased: 338 | Existing positions reduced: 399

Holders
1,012
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
57
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.49B
Puts
$1.59B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
601
$1.22M
602
$1.21M
603
$1.17M
604
$1.17M
605
$1.15M
606
$1.14M
607
$1.14M
608
$1.13M
609
$1.13M
610
$1.13M
611
$1.12M
612
$1.12M
613
$1.1M
614
$1.08M
615
$1.07M
616
$1.06M
617
$1.06M
618
$1.05M
619
$1.04M
620
$1.03M
621
$1.03M
622
$1.01M
623
$1M
624
$984K
625
$982K