Atom Investors LP - SIENTRA INC ownership

SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 126 filers reported holding SIENTRA INC in Q2 2021. The put-call ratio across all filers is 0.60 and the average weighting 0.1%.

Quarter-by-quarter ownership
Atom Investors LP ownership history of SIENTRA INC
ValueSharesWeighting
Q1 2021$115,000
-98.4%
15,792
-98.6%
0.02%
-96.2%
Q3 2019$7,280,0001,123,3910.50%
Other shareholders
SIENTRA INC shareholders Q2 2021
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