1,014 hedge funds and large institutions have $59B invested in Biogen in 2017 Q3 according to their latest regulatory filings, with 99 funds opening new positions, 380 increasing their positions, 356 reducing their positions, and 68 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

1.38% more ownership

Funds ownership: 87.77%89.15% (+1.4%)

7% more repeat investments, than reductions

Existing positions increased: 380 | Existing positions reduced: 356

22% less call options, than puts

Call options by funds: $974M | Put options by funds: $1.24B

Holders
1,014
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
38
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$974M
Puts
$1.24B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
701
$557K
702
$544K
703
$541K
704
$534K
705
$534K
706
$530K
707
$525K
708
$524K
709
$524K
710
$520K
711
$514K
712
$513K
713
$513K
714
$501K
715
$500K
716
$499K
717
$498K
718
$498K
719
$496K
720
$493K
721
$483K
722
$483K
723
$481K
724
$481K
725
$476K