ACM
SIEN

Atika Capital Management’s Sientra, Inc. SIEN Stock Holding History

Atika Capital Management’s Portfolio SIEN Stock Details SIEN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2019
Q1 		– Sell
-18,200
Closed -$2.31M – 110
2018
Q4 		$2.31M Sell
18,200
-7,460
-29% -$1.39M 0.99% 54
2018
Q3 		$6.13M Buy
25,660
+9,660
+60% +$2.12M 1.48% 31
2018
Q2 		$3.12M Sell
16,000
-500
-3% -$79.3K 0.9% 62
2018
Q1 		$1.59M Sell
16,500
-1,900
-10% -$210K 0.63% 60
2017
Q4 		$2.59M Sell
18,400
-3,600
-16% -$523K 1.11% 44
2017
Q3 		$3.39M Hold
22,000
– – 1.39% 36
2017
Q2 		$2.14M Sell
22,000
-3,000
-12% -$245K 0.95% 51
2017
Q1 		$2.1M Buy
25,000
+4,000
+19% +$353K 1.11% 46
2016
Q4 		$1.79M Buy
+21,000
New +$1.75M 1.07% 40

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