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

Zweig-DiMenna Associates’s Portfolio BIIB Stock Details BIIB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		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 +$267K 0.02% 169
2016
Q1 		– Sell
-30,000
Closed -$9.19M – 191
2015
Q4 		$9.19M Buy
+30,000
New +$8.62M 0.46% 78
2015
Q3 		– Sell
-11,185
Closed -$4.52M – 230
2015
Q2 		$4.52M Sell
11,185
-61,012
-85% -$24.5M 0.26% 91
2015
Q1 		$30.5M Buy
72,197
+67,297
+1,373% +$26.5M 1.33% 18
2014
Q4 		$1.66M Sell
4,900
-33,937
-87% -$11M 0.08% 132
2014
Q3 		$12.8M Buy
38,837
+38,037
+4,755% +$12.5M 0.65% 63
2014
Q2 		$252K Sell
800
-25,975
-97% -$7.82M 0.01% 209
2014
Q1 		$8.19M Buy
26,775
+25,875
+2,875% +$8.21M 0.49% 73
2013
Q4 		$252K Buy
+900
New +$233K 0.01% 193

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Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return