Paloma Partners Management Co - 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
Paloma Partners Management Co ownership history of SIENTRA INC
ValueSharesWeighting
Q4 2021$221,000
+20.8%
60,227
+28.4%
0.00%
-40.0%
Q4 2020$183,000
+117.9%
46,921
+89.8%
0.01%
+150.0%
Q3 2020$84,000
-47.8%
24,723
+31.5%
0.00%
-50.0%
Q1 2019$161,000
-18.7%
18,800
-37.4%
0.00%
+100.0%
Q2 2016$198,00030,0250.00%
Other shareholders
SIENTRA INC shareholders Q4 2020
NameSharesValueWeighting ↓
Abingworth LLP 2,390,843$9,229,0002.58%
X-Square Capital, LLC 296,012$1,146,0000.81%
QUANTUM CAPITAL MANAGEMENT 344,741$1,334,0000.78%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 4,162,804$16,110,0000.47%
Granite Point Capital Management, L.P. 2,367,088$9,161,0000.47%
G2 Investment Partners Management LLC 337,233$1,305,0000.31%
Granite Point Capital Management, L.P. 750,000$2,903,0000.15%
A.R.T. Advisors, LLC 23,691$92,0000.14%
NEEDHAM INVESTMENT MANAGEMENT LLC 300,000$1,162,0000.12%
ALGERT GLOBAL LLC 59,000$228,0000.08%
View complete list of SIENTRA INC shareholders