The first Biogen trade was made in Q4 2009.
Since then George Soros bought shares five more times and sold shares on five occasions. The investor sold all their shares in Q4 2016 and doesn't own any shares in Biogen anymore.
Avg closing price
Price range
Sold -1.99 Thousand shares
Q4 2016
Avg closing price
$272.86
Price range
$251.75
-
$298.61
New holding (+1.99 Thousand shares)
Q3 2016
Avg closing price
$272.63
Price range
$222.79
-
$303.87
Sold -7.5 Thousand shares
Q2 2014
Avg closing price
$277.05
Price range
$252.22
-
$294.68
New holding (+7.5 Thousand shares)
Q1 2014
Avg closing price
$292.20
Price range
$251.77
-
$323.96
Sold -201 Thousand shares
Q4 2011
Avg closing price
$100.37
Price range
$81.89
-
$109.28
New holding (+201 Thousand shares)
Q3 2011
Avg closing price
$89.40
Price range
$78.27
-
$99.87
Sold -6.1 Thousand shares
Q1 2011
Avg closing price
$62.83
Price range
$59.91
-
$67.63
Increased shares by 5.2% (+300 shares)
Q4 2010
Avg closing price
$58.22
Price range
$52.04
-
$62.80
Sold 47.3% shares (-5.2 Thousand shares)
Q3 2010
Avg closing price
$50.84
Price range
$43.01
-
$53.78
Increased shares by 20.9% (+1.9 Thousand shares)
Q2 2010