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

RUBICON TECHNOLOGY INC's ticker is RBCN and the CUSIP is 78112T206. A total of 17 filers reported holding RUBICON TECHNOLOGY INC in Q3 2020. 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 Q3 2020
NameSharesValueWeighting ↓
Bandera Partners LLC 258,256$2,319,0001.50%
RIVER GLOBAL INVESTORS LLP 96,690$872,0000.08%
Ariel Investments 224,775$2,018,0000.02%
JBF Capital, Inc. 2,866$25,0000.00%
WOLVERINE ASSET MANAGEMENT LLC 26,932$241,0000.00%
Renaissance Technologies 114,098$1,025,0000.00%
NEW YORK STATE COMMON RETIREMENT FUND 133,979$1,203,0000.00%
NORTHERN TRUST CORP 1,199$11,0000.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
GROUP ONE TRADING, L.P. 1$00.00%
View complete list of RUBICON TECHNOLOGY INC shareholders