GROUP ONE TRADING, L.P. - RUBICON TECHNOLOGY INC ownership

RUBICON TECHNOLOGY INC's ticker is RBCN and the CUSIP is 78112T206. A total of 20 filers reported holding RUBICON TECHNOLOGY INC in Q2 2021. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of RUBICON TECHNOLOGY INC
ValueSharesWeighting
Q3 2022$010.0%0.00%
Q2 2022$010.0%0.00%
Q1 2022$010.0%0.00%
Q4 2021$010.0%0.00%
Q3 2021$010.0%0.00%
Q2 2021$010.0%0.00%
Q1 2021$010.0%0.00%
Q4 2020$010.0%0.00%
Q3 2020$010.0%0.00%
Q2 2020$010.0%0.00%
Q1 2020$010.0%0.00%
Q4 2019$010.0%0.00%
Q3 2019$010.0%0.00%
Q2 2019$010.0%0.00%
Q1 2019$010.0%0.00%
Q4 2018$010.0%0.00%
Q3 2018$010.0%0.00%
Q2 2018$010.0%0.00%
Q1 2018$010.0%0.00%
Q4 2017$010.0%0.00%
Q3 2017$010.0%0.00%
Q2 2017$010.00%
Other shareholders
RUBICON TECHNOLOGY INC shareholders Q2 2021
NameSharesValueWeighting ↓
Highlander Capital Management, LLC 150$00.00%
View complete list of RUBICON TECHNOLOGY INC shareholders