Spark Investment Management LLC - SIENTRA INC ownership

SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 90 filers reported holding SIENTRA INC in Q1 2020. The put-call ratio across all filers is 0.15 and the average weighting 0.1%.

Quarter-by-quarter ownership
Spark Investment Management LLC ownership history of SIENTRA INC
ValueSharesWeighting
Q1 2020$73,000
-90.2%
36,707
-56.1%
0.04%
-55.7%
Q4 2019$748,000
+38.0%
83,7000.0%0.09%
+27.5%
Q3 2019$542,000
-29.6%
83,700
-33.0%
0.07%
+30.2%
Q2 2019$770,000
+320.8%
125,000
+590.6%
0.05%
+120.8%
Q3 2015$183,000
-16.1%
18,100
+39.2%
0.02%
-35.1%
Q4 2014$218,00013,0000.04%
Other shareholders
SIENTRA INC shareholders Q1 2020
NameSharesValueWeighting ↓
Abingworth LLP 1,673,589$1,071,0000.37%
NEEDHAM INVESTMENT MANAGEMENT LLC 2,320,000$1,485,0000.29%
X-Square Capital, LLC 265,503$170,0000.11%
AWM Investment Company, Inc. 799,766$512,0000.08%
GSA CAPITAL PARTNERS LLP 813,884$521,0000.07%
Parkman Healthcare Partners LLC 373,586$239,0000.07%
Birchview Capital, LP 40,000$26,0000.02%
Matisse Capital 15,818$10,0000.01%
Frisch Financial Group, Inc. 42,000$27,0000.01%
HighMark Wealth Management LLC 17,300$11,0000.01%
View complete list of SIENTRA INC shareholders