Rubicon Technology, Inc.

VANGUARD GROUP INC RBCN

Report date

6/30/2022

Quarter

2022 Q2

Filed

8/12/2022

Shares

72,664

Value ($000)

668

Weight

0.0%

2019 Q4 - 2022 Q2 (11 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2022 Q2	8/12/2022	668	0.0%	72,664	6/30/2022
2022 Q1	5/13/2022	690	0.0%	74,300	3/31/2022
2021 Q4	2/14/2022	725	0.0%	80,837	12/31/2021
2021 Q3	11/12/2021	976	0.0%	96,750	9/30/2021
2021 Q2	8/13/2021	919	0.0%	96,750	6/30/2021
2021 Q1	5/14/2021	998	0.0%	96,750	3/31/2021
2020 Q4	2/12/2021	789	0.0%	87,150	12/31/2020
2020 Q3	11/16/2020	738	0.0%	86,850	9/30/2020
2020 Q2	8/14/2020	658	0.0%	80,930	6/30/2020
2020 Q1	5/15/2020	222	0.0%	28,819	3/31/2020
2019 Q4	2/14/2020	217	0.0%	26,119	12/31/2019