A.R.T. Advisors, 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
A.R.T. Advisors, LLC ownership history of SIENTRA INC
ValueSharesWeighting
Q2 2020$92,000
-83.8%
23,691
-62.7%
0.14%
+392.9%
Q4 2019$568,000
-21.2%
63,516
+71.8%
0.03%
-3.4%
Q2 2018$721,000
+495.9%
36,978
+196.9%
0.03%
+383.3%
Q2 2017$121,000
-86.3%
12,454
-91.6%
0.01%
-85.7%
Q4 2015$881,000148,8200.04%
Other shareholders
SIENTRA INC shareholders Q1 2020
NameSharesValueWeighting ↓
Abingworth LLP 2,390,843$15,469,0009.78%
Cannell Capital 1,941,673$12,582,0004.08%
Millrace Asset Group, Inc. 350,000$2,268,0002.66%
Broadfin Capital, LLC 2,001,895$12,972,0002.40%
Copernicus Capital Management, LLC 385,000$2,495,0002.32%
Endurant Capital Management LP 529,950$3,434,0001.23%
QUANTUM CAPITAL MANAGEMENT 344,741$2,234,0001.13%
X-Square Capital, LLC 275,312$1,784,0001.12%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 4,137,470$26,811,0001.09%
Granite Point Capital Management, L.P. 566,372$3,670,0000.57%
View complete list of SIENTRA INC shareholders