Reported 0 shares, down 10,419 (100.0%) from the prior quarter.
Reported value -100.0%; share count -100.0% vs. the prior quarter.
Reported position value by quarter
Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.
| Date | Holding Value |
|---|---|
| 2021-09-30 | 117000 |
| 2021-12-31 | 103000 |
| 2022-03-31 | 104000 |
| 2022-06-30 | 108000 |
| 2022-09-30 | 22000 |
| 2022-12-31 | 0 |
Quarterly position history
How this manager's reported quarter-end position changed over time.
| Quarter | Activity | Shares | Change | % of reported 13F | Reported value | Filed | Source filing |
|---|---|---|---|---|---|---|---|
| Q4 2022 | Reduced | 0 | -10,419 (-100.0%) | 0 | $0 | 2023-02-13 | |
| Q3 2022 | Reduced | 10,419 | -1,424 (-12.0%) | < 0.01% | $22,000 | 2022-11-14 | |
| Q2 2022 | Added | 11,843 | +277 (2.4%) | < 0.01% | $108,000 | 2022-08-12 | |
| Q1 2022 | Unchanged | 11,566 | 0 (0.0%) | < 0.01% | $104,000 | 2022-05-13 | |
| Q4 2021 | Unchanged | 11,566 | 0 (0.0%) | < 0.01% | $103,000 | 2022-02-11 | |
| Q3 2021 | Unchanged | 11,566 | 0 (0.0%) | < 0.01% | $117,000 | 2021-11-12 | |
|
Five years are shown. A free account unlocks the complete reported history.
Unlock full history
|
|||||||
Who else reported the position
21 managers reported RUBICON TECHNOLOGY INC for Q4 2022.
| Manager | Activity | Shares | Change | % of reported 13F | Reported value | Tenure |
|---|---|---|---|---|---|---|
| Bandera Partners LLC | Unchanged | 128,323 | 0 | 0.11% | $223,282 | 22 qtrs |
| JBF Capital Inc | New | 16,478 | +16,478 | < 0.01% | $23,234 | 1 qtr |
| Tower Research Capital LLC TRC | Added | 5,863 | +626 | < 0.01% | $10,000 | 9 qtrs |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | Reduced | 0 | -82 | 0 | $0 | 2 qtrs |
| UBS Group AG | Reduced | 0 | -57 | 0 | $0 | 8 qtrs |
| ADVISOR GROUP HOLDINGS INC | Reduced | 0 | -6,979 | 0 | $0 | 12 qtrs |
| Leonteq Securities AG | Reduced | 0 | -147 | 0 | $0 | 8 qtrs |
| Ellsworth Advisors LLC | Reduced | 0 | -25,127 | 0 | $0 | 2 qtrs |
| MORGAN STANLEY | Reduced | 0 | -3,147 | 0 | $0 | 23 qtrs |
| CITADEL ADVISORS LLC | Reduced | 0 | -21,412 | 0 | $0 | 2 qtrs |
Filing details and methodology As reported
- Report period
- December 31, 2022
- Filed
- February 13, 2023
- Filing type
- 13F-HR
- Position type
- COM NEW
Voting authority reported
No voting-authority amounts were reported for this position. Voting authority is not required for reported call options.
Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.