Rubicon Technology, Inc. RBCN
At closeNov 3, 2026, 4:00 PM EST
- YTD
- +73.09%
- 1 year
- +9.43%
- Market cap
- 44.64M
- Revenue (ttm)
- 3.88M
- Profit margin
- 20.86%
- EPS (ttm)
- -0.36
- Shares out
- 2.46M
- Forward P/E
- -3.75
- YTD return
- +73.09%
- 1-year return
- +9.43%
- Volume
- 500
- Avg volume
- 625
- Open
- 4.77
- Previous close
- 4.76
- Day's range
- 4.76 – 4.77
- 52-week range
- 2.55 – 6.70
- Beta
- 1.09
- Earnings date
- Dec 24, 2024
2Y +3.46 (+266.15%)
Key statistics
- Enterprise value
- 4.01M
- PEG ratio
- 0.00
- Price / sales
- 0.95
- Price / book
- 1.23
- Dividend yield
- 0.00%
- Payout ratio
- 0.00%
- Revenue growth
- -46.90%
- Free cash flow
- 129.50K
- Total cash
- 1.20M
- Total debt
- 1.60M
- Return on equity
- 4.91%
- Short % of float
- 1.37%
- 50-day average
- 1.72
- 200-day average
- 6.75
Analyst view
- Strong buy0
- Buy0
- Hold1
- Sell0
- Strong sell0
Next earnings
Dec 24, 2024
Expected Dec 24, 2024. Consensus EPS estimate 0.00.
Financials — quick view
Earnings
| Report date | Quarter ending | EPS estimate | EPS reported | Surprise | Surprise % |
|---|---|---|---|---|---|
| Dec 24, 2024 | Sep 1, 2024 | 0.00 | — | — | — |
| Apr 1, 2024 | Dec 1, 2023 | 0.00 | — | — | — |
| Nov 14, 2023 | Sep 1, 2023 | 0.00 | — | — | — |
| Aug 14, 2023 | Jun 1, 2023 | 0.00 | — | — | — |
| May 12, 2023 | Mar 1, 2023 | 0.00 | — | — | — |
Upgrades / downgrades
| Date | Firm | Action | From | To |
|---|---|---|---|---|
| Nov 7, 2014 | Canaccord Genuity | main | — | Hold |
| Aug 8, 2014 | Canaccord Genuity | down | Buy | Hold |
| Aug 8, 2014 | JP Morgan | down | Overweight | Neutral |
| Jul 23, 2014 | Goldman Sachs | init | — | Sell |
| Jun 6, 2014 | Canaccord Genuity | main | — | Buy |
| May 13, 2014 | Dougherty | init | — | Buy |
About Rubicon Technology, Inc.
Rubicon Technology, Inc. provides monocrystalline sapphire for applications in optical and industrial systems in North America and Asia. The company offers optical and industrial sapphire products in various shapes and sizes, including round and rectangular windows and wafers, domes, tubes, and rods for a range of end markets comprising defense and aerospace, specialty lighting, instrumentation, sensors and detectors, semiconductor process equipment, electronic substrates, medical, and laser applications. It serves defense subcontractors, industrial manufacturers, fabricators, and resellers. The company was incorporated in 2001 and is based in Bensenville, Illinois.
- Sector
- Technology
- Industry
- Semiconductor Equipment & Materials
- Country
- United States
- Website
- rubicontechnology.com
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Insider holders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| AQUILANO DON N | Director | Stock Award(Grant) | Sep 28, 2017 | 26,287 |
| BROG TIMOTHY E | Chief Executive Officer | Sale | Aug 18, 2022 | 57,593 |
| CALDWELL DONALD R. CPA | Director | Sale | Nov 15, 2017 | 0 |
| GRAFFY MARDEL A | Chief Financial Officer | Conversion of Exercise of derivative security | Oct 31, 2017 | 1,099 |
| GRAMM JEFFERSON | Director and Beneficial Owner of more than 10% of a Class of Security | Sale | Aug 18, 2022 | 0 |
| MIKOLAJCZYK MICHAEL E | Director | Sale | Aug 18, 2022 | 31,456 |
Institution ownership
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Bandera Partners LLC | 5.21% | 128,323 | 192.48K | Sep 29, 2022 |
| Renaissance Technologies, LLC | 3.68% | 90,671 | 136.01K | Sep 29, 2022 |
| CSS LLC | 1.89% | 46,654 | 69.98K | Sep 29, 2022 |
| Ameriprise Financial, Inc. | 1.43% | 35,339 | 53.01K | Sep 29, 2022 |
| Citadel Advisors Llc | 0.87% | 21,412 | 32.12K | Sep 29, 2022 |
| Blackrock Inc. | 0.82% | 20,137 | 30.20K | Sep 29, 2022 |
Fund ownership
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Fidelity Extended Market Index Fund | 0.26% | 6,312 | 9.47K | Nov 29, 2022 |
| Fidelity Series Total Market Index Fund | 0.08% | 2,032 | 3.05K | Nov 29, 2022 |
| Fidelity Total Market Index Fund | 0.05% | 1,323 | 1.98K | Nov 29, 2022 |
| DFA U.S. Micro Cap Series | 0.04% | 997 | 1.50K | Oct 30, 2022 |
| DFA U.S. Core Equity 2 Portfolio | 0.03% | 713 | 1.07K | Oct 30, 2022 |
| DFA U.S. Core Equity 1 Portfolio | 0.02% | 568 | 852 | Oct 30, 2022 |