ZDA
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Zweig-DiMenna Associates’s Biogen BIIB Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2017
Q2
Sell
-900
Closed -$246K 210
2017
Q1
$246K Hold
900
0.02% 147
2016
Q4
$255K Buy
+900
New +$255K 0.02% 168
2016
Q1
Sell
-30,000
Closed -$9.19M 191
2015
Q4
$9.19M Buy
+30,000
New +$9.19M 0.46% 76
2015
Q3
Sell
-11,185
Closed -$4.52M 227
2015
Q2
$4.52M Sell
11,185
-61,012
-85% -$24.6M 0.25% 89
2015
Q1
$30.5M Buy
72,197
+67,297
+1,373% +$28.4M 1.28% 18
2014
Q4
$1.66M Sell
4,900
-33,937
-87% -$11.5M 0.07% 127
2014
Q3
$12.8M Buy
38,837
+38,037
+4,755% +$12.6M 0.56% 57
2014
Q2
$252K Sell
800
-25,975
-97% -$8.18M 0.01% 206
2014
Q1
$8.19M Buy
26,775
+25,875
+2,875% +$7.91M 0.48% 72
2013
Q4
$252K Buy
+900
New +$252K 0.01% 192