John Paulson started to build up the position in Biogen in Q4 2015 and continued to invest until Q3 2016. Since then they sold 308 Thousand shares. The investor completely sold their stake between Q4 2016 and Q2 2017.
Avg closing price
Price range
Sold -17.3 Thousand shares
Q2 2017
Avg closing price
$264.42
Price range
$246.54
-
$286.89
Sold 66.9% shares (-34.9 Thousand shares)
Q1 2017
Avg closing price
$275.09
Price range
$251.52
-
$297.85
Sold 83.1% shares (-256 Thousand shares)
Q4 2016
Avg closing price
$272.86
Price range
$251.75
-
$298.61
Increased shares by 150.2% (+185 Thousand shares)
Q3 2016
Avg closing price
$272.63
Price range
$222.79
-
$303.87
Increased shares by 4.0% (+4.7 Thousand shares)
Q2 2016
Avg closing price
$242.59
Price range
$206.74
-
$267.16
Increased shares by 227.1% (+82.2 Thousand shares)
Q1 2016