| (Values in U.S. Thousands) | Dec, 2025 | Sep, 2025 | Jun, 2025 | Mar, 2025 | Dec, 2024 |
| Sales | 42,140 | 140 | 220 | 220 | 250 |
| Sales Growth | +29,999.79% | -36.36% | unch | -12.00% | -3.85% |
| Net Income | 2,530 | -360 | -150 | -150 | -70 |
| Net Income Growth | +802.78% | -140.00% | unch | -114.29% | -16.67% |
Rubicon Technology Inc (RBCN)
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Rubicon Technology, Inc. is a vertically integrated advanced electronic materials provider specializing in monocrystalline sapphire for applications in light-emitting diodes, optical systems and specialty electronic devices. Rubicon has a proprietary technology platform and expertise extending from the preparation of raw aluminum oxide through sapphire crystal growth and fabrication to large-diameter polished sapphire wafers and patterned sapphire substrates, enabling Rubicon to supply custom sapphire products with superior quality and precision. Rubicon is ISO 9001 certified and ITAR registered.
Fiscal Year End Date: 12/31