UBS OCONNOR LLC - SIENTRA INC ownership

SIENTRA INC's ticker is SIEN and the CUSIP is 82621J105. A total of 1 filers reported holding SIENTRA INC in Q3 2023. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
UBS OCONNOR LLC ownership history of SIENTRA INC
ValueSharesWeighting
Q3 2015$406,000,000
-62.7%
40,000
-7.3%
0.01%
-57.9%
Q2 2015$1,088,000,000
-17.1%
43,129
-36.9%
0.02%
-32.1%
Q1 2015$1,313,000,000
+2.9%
68,400
-10.0%
0.03%
+27.3%
Q4 2014$1,276,000,00076,0000.02%
Other shareholders
SIENTRA INC shareholders Q3 2023
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