Reported 0 shares, down 128,323 (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 | 2606000 |
| 2021-12-31 | 2317000 |
| 2022-03-31 | 2397000 |
| 2022-06-30 | 2373000 |
| 2022-09-30 | 275000 |
| 2022-12-31 | 223282 |
| 2023-03-31 | 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 |
|---|---|---|---|---|---|---|---|
| Q1 2023 | Reduced | 0 | -128,323 (-100.0%) | 0 | $0 | 2023-05-12 | |
| Q4 2022 | Unchanged | 128,323 | 0 (0.0%) | 0.11% | $223,282 | 2023-02-13 | |
| Q3 2022 | Reduced | 128,323 | -129,933 (-50.3%) | 0.12% | $275,000 | 2022-11-10 | |
| Q2 2022 | Unchanged | 258,256 | 0 (0.0%) | 0.93% | $2,373,000 | 2022-08-12 | |
| Q1 2022 | Unchanged | 258,256 | 0 (0.0%) | 0.71% | $2,397,000 | 2022-05-13 | |
| Q4 2021 | Unchanged | 258,256 | 0 (0.0%) | 0.83% | $2,317,000 | 2022-02-14 | |
| Q3 2021 | Unchanged | 258,256 | 0 (0.0%) | 1.05% | $2,606,000 | 2021-11-12 | |
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Who else reported the position
4 managers reported RUBICON TECHNOLOGY INC for Q1 2023.
| Manager | Activity | Shares | Change | % of reported 13F | Reported value | Tenure |
|---|---|---|---|---|---|---|
| Tower Research Capital LLC TRC | Reduced | 0 | -5,863 | 0 | $0 | 10 qtrs |
| JBF Capital Inc | Reduced | 0 | -16,478 | 0 | $0 | 2 qtrs |
| Rockefeller Capital Management L P | Reduced | 0 | -220 | 0 | $0 | 4 qtrs |
| Bandera Partners LLC This report | Reduced | 0 | -128,323 | 0 | $0 | 23 qtrs |
Filing details and methodology As reported
- Report period
- March 31, 2023
- Filed
- May 12, 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.