Zweig-DiMenna Associates’s Biogen BIIB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2017
Q2
Sell
2017
Q1
$246K Hold
2016
Q4
$255K Buy
2016
Q1
Sell
2015
Q4
$9.19M Buy
2015
Q3
Sell
2015
Q2
$4.52M Sell
2015
Q1
$30.5M Buy
2014
Q4
$1.66M Sell
2014
Q3
$12.8M Buy
2014
Q2
$252K Sell
2014
Q1
$8.19M Buy
2013
Q4
$252K Buy