Walleye Trading LLC - SIENTRA INC ownership

SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 107 filers reported holding SIENTRA INC in Q4 2020. The put-call ratio across all filers is 0.01 and the average weighting 0.1%.

Quarter-by-quarter ownership
Walleye Trading LLC ownership history of SIENTRA INC
ValueSharesWeighting
Q2 2021$199,000
+19.9%
24,922
+9.3%
0.00%0.0%
Q1 2021$166,000
+325.6%
22,800
+128.0%
0.00%
Q4 2020$39,000
-29.1%
10,000
-30.1%
0.00%
Q2 2020$55,000
+52.8%
14,300
-22.9%
0.00%
Q1 2020$36,00018,5480.00%
Other shareholders
SIENTRA INC shareholders Q4 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