Atom Investors LP - SIENTRA INC ownership

SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 104 filers reported holding SIENTRA INC in Q3 2019. The put-call ratio across all filers is 0.33 and the average weighting 0.3%.

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 Q3 2019
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