Driehaus Capital Management’s Biogen BIIB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2014
Q3
Sell
-20,922
Closed -$6.6M 528
2014
Q2
$6.6M Sell
20,922
-16,336
-44% -$5.15M 0.21% 124
2014
Q1
$11.4M Buy
37,258
+3,600
+11% +$1.1M 0.36% 62
2013
Q4
$9.42M Buy
33,658
+5,533
+20% +$1.55M 0.34% 77
2013
Q3
$6.77M Sell
28,125
-18,916
-40% -$4.55M 0.26% 118
2013
Q2
$10.1M Buy
+47,041
New +$10.1M 0.44% 57