RBCN
Rubicon Technology, Inc.
Price Chart
Latest Quote
$5.68
+0.33 (+6.17%)
Current Price
| Previous Close | $5.35 |
| Open | $5.35 |
| Day High | $5.77 |
| Day Low | $5.35 |
| Volume | 253 |
Stock Information
| Shares Outstanding | 9.38M |
| Total Debt | $1.59M |
| Cash Equivalents | $1.59M |
| Revenue | $3.59M |
| Net Income | $919K |
| Sector | Technology |
| Industry | Semiconductor Equipment & Materials |
| Market Cap | $53.27M |
| EPS (TTM) | $-0.23 |
| Exchange | OID |
đ Comprehensive Analysis
Company Data
| Enterprise Value | $13.70M |
| Sales | $3.59M |
| Income | $919K |
| Book/sh | $1.30 |
| Cash/sh | $0.17 |
| Employees | 12 |
Financial Ratios
| Quick Ratio | 1.90 |
| Current Ratio | 2.42 |
| Debt/Eq | 49.66 |
| EPS Growth TTM | 164.50% |
Returns & Margins
| ROA | -3.53% |
| ROE | 5.64% |
| Gross Margin | 40.14% |
| Operating Margin | -3.57% |
| Profit Margin | 26.07% |
Ownership
| Institutional Ownership | 0.01% |
| Insider & Institutional transactions data not available | |
Valuation Ratios
| Forward P/E | -14.20 |
| PEG | 1.84 |
| P/S | 14.85 |
| P/B | 4.37 |
Analyst Data
| Recommendation | none |
Technical Indicators
| SMA20 | $5.46 |
| SMA50 | $4.46 |
| SMA200 | $3.68 |
| RSI | 54.93 |
| ATR | 0.1829 |
| Shares Float | 2.37M |
| Short Float | 1.37% |
| Short Ratio | 0.85 |
| Volatility | 2.20 |
Performance History
| Week | +4.99% |
| Month | +26.22% |
| Quarter | +89.33% |
| 6 Months | +93.20% |
| YTD | +93.20% |
| Year | +171.77% |
| 3 Years | +1162.22% |
| 5 Years | +495.81% |
| 10 Years | +730.11% |
Stock Score:
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Recent Price History
| Date | Close | Volume |
|---|---|---|
| 2026-06-16 | $5.68 | 0 |
| 2026-06-15 | $5.68 | 0 |
| 2026-06-12 | $5.68 | 200 |
| 2026-06-11 | $5.35 | 500 |
| 2026-06-10 | $5.41 | 0 |
| 2026-06-09 | $5.41 | 0 |
| 2026-06-08 | $5.41 | 1,300 |
| 2026-06-05 | $5.70 | 0 |
| 2026-06-04 | $5.70 | 1,600 |
| 2026-06-03 | $5.80 | 2,700 |
| 2026-06-02 | $5.60 | 2,300 |
| 2026-06-01 | $5.75 | 200 |
| 2026-05-29 | $5.50 | 4,900 |
| 2026-05-28 | $5.54 | 0 |
| 2026-05-27 | $5.54 | 0 |
| 2026-05-26 | $5.54 | 3,100 |
| 2026-05-22 | $5.54 | 0 |
| 2026-05-21 | $5.54 | 2,700 |
| 2026-05-20 | $4.40 | 0 |
| 2026-05-19 | $4.40 | 1,900 |
| 2026-05-18 | $4.40 | 6,700 |
About Rubicon Technology, Inc.
Rubicon Technology, Inc. provides monocrystalline sapphire for applications in optical and industrial systems in North America, Asia, and internationally. The company offers optical and industrial sapphire products in various shapes and sizes, including sheets, rods, tubes, core, ingots, and prisms 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.
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Income Statement (Annual)
| Metric | 2023-12-31 | 2022-12-31 | 2021-12-31 |
|---|---|---|---|
| Revenue | |||
| Reconciled Cost Of Revenue | $2,056,000 | $2,147,000 | $2,798,000 |
| Cost Of Revenue | $2,056,000 | $2,147,000 | $2,798,000 |
| Total Revenue | $1,998,000 | $3,587,000 | $4,061,000 |
| Operating Revenue | $1,998,000 | $3,587,000 | $4,061,000 |
| Expenses | |||
| Interest Expense | $89,000 | $39,000 | $0 |
| Total Expenses | $3,907,000 | $4,162,000 | $5,138,000 |
| Other Income Expense | $1,925,000 | $1,428,000 | $613,000 |
| Other Non Operating Income Expenses | $30,000 | - | - |
| Net Non Operating Interest Income Expense | $-31,000 | $66,000 | $5,000 |
| Interest Expense Non Operating | $89,000 | $39,000 | $0 |
| Operating Expense | $1,851,000 | $2,015,000 | $2,340,000 |
| Selling And Marketing Expense | $125,000 | $136,000 | $210,000 |
| General And Administrative Expense | $1,726,000 | $2,346,000 | $2,130,000 |
| Other Operating Expenses | - | $-467,000 | - |
| Income & Earnings | |||
| Net Income From Continuing Operation Net Minority Interest | $-15,000 | $919,000 | $-459,000 |
| Net Interest Income | $-31,000 | $66,000 | $5,000 |
| Interest Income | $58,000 | $105,000 | $5,000 |
| Normalized Income | $-1,910,000 | $-509,000 | $-1,072,000 |
| Net Income From Continuing And Discontinued Operation | $-15,000 | $935,000 | $-730,000 |
| Total Operating Income As Reported | $-14,000 | $585,000 | $-464,000 |
| Net Income Common Stockholders | $-15,000 | $935,000 | $-730,000 |
| Net Income | $-15,000 | $935,000 | $-730,000 |
| Net Income Including Noncontrolling Interests | $-15,000 | $935,000 | $-730,000 |
| Net Income Discontinuous Operations | $0 | $16,000 | $-271,000 |
| Net Income Continuous Operations | $-15,000 | $919,000 | $-459,000 |
| Pretax Income | $-15,000 | $919,000 | $-459,000 |
| Special Income Charges | $1,895,000 | $1,410,000 | $613,000 |
| Interest Income Non Operating | $58,000 | $105,000 | $5,000 |
| Operating Income | $-1,909,000 | $-575,000 | $-1,077,000 |
| Gross Profit | $-58,000 | $1,440,000 | $1,263,000 |
| Per Share | |||
| Diluted EPS | $-0.01 | $0.38 | $-0.30 |
| Basic EPS | $-0.01 | $0.39 | $-0.30 |
| Other | |||
| Tax Effect Of Unusual Items | $0 | $0 | $0 |
| Tax Rate For Calcs | $0 | $0 | $0 |
| Normalized EBITDA (Bullshit earnings) | $-1,750,000 | $-350,000 | $-932,000 |
| Total Unusual Items | $1,895,000 | $1,428,000 | $613,000 |
| Total Unusual Items Excluding Goodwill | $1,895,000 | $1,428,000 | $613,000 |
| Reconciled Depreciation | $71,000 | $120,000 | $140,000 |
| EBITDA (Bullshit earnings) | $145,000 | $1,078,000 | $-319,000 |
| EBIT | $74,000 | $958,000 | $-459,000 |
| Diluted Average Shares | $2,401,294 | $2,455,897 | $2,439,764 |
| Basic Average Shares | $2,401,294 | $2,448,682 | $2,439,764 |
| Diluted NI Availto Com Stockholders | $-15,000 | $935,000 | $-730,000 |
| Tax Provision | $0 | $0 | $0 |
| Gain On Sale Of Ppe | $1,895,000 | $1,410,000 | $613,000 |
| Selling General And Administration | $1,851,000 | $2,482,000 | $2,340,000 |
| Other Gand A | $1,726,000 | $2,346,000 | $2,130,000 |
| Gain On Sale Of Security | - | $18,000 | - |
Fetched: 2026-02-02
Balance Sheet (Annual)
| Metric | 2023-12-31 | 2022-12-31 | 2021-12-31 |
|---|---|---|---|
| Assets | |||
| Net Tangible Assets | $405,000 | $3,204,000 | $29,388,000 |
| Total Assets | $1,116,000 | $5,959,000 | $30,986,000 |
| Total Non Current Assets | $123,000 | $3,082,000 | $2,769,000 |
| Non Current Accounts Receivable | $123,000 | $250,000 | - |
| Current Assets | $993,000 | $2,877,000 | $28,217,000 |
| Other Current Assets | $152,000 | $47,000 | $167,000 |
| Restricted Cash | $0 | $120,000 | $0 |
| Inventory | $71,000 | $449,000 | $791,000 |
| Receivables | $176,000 | $671,000 | $719,000 |
| Accounts Receivable | $176,000 | $671,000 | $719,000 |
| Allowance For Doubtful Accounts Receivable | $-2,000 | $-18,000 | $-19,000 |
| Gross Accounts Receivable | $178,000 | $689,000 | $738,000 |
| Cash Cash Equivalents And Short Term Investments | $594,000 | $1,590,000 | $26,011,000 |
| Cash And Cash Equivalents | $594,000 | $1,590,000 | $11,260,000 |
| Other Non Current Assets | - | $650,000 | $468,000 |
| Assets Held For Sale Current | - | $0 | $529,000 |
| Cash Equivalents | - | $6,000 | $3,137,000 |
| Cash Financial | - | $1,584,000 | $8,123,000 |
| Prepaid Assets | - | - | $167,000 |
| Debt | |||
| Net Debt | - | $1,000 | - |
| Total Debt | - | $1,591,000 | - |
| Long Term Debt And Capital Lease Obligation | - | $1,566,000 | - |
| Long Term Debt | - | $1,566,000 | - |
| Current Debt And Capital Lease Obligation | - | $25,000 | - |
| Current Debt | - | $25,000 | - |
| Other Current Borrowings | - | $25,000 | - |
| Liabilities | |||
| Total Liabilities Net Minority Interest | $711,000 | $2,755,000 | $1,598,000 |
| Total Non Current Liabilities Net Minority Interest | $0 | $1,566,000 | $0 |
| Current Liabilities | $711,000 | $1,189,000 | $1,598,000 |
| Current Deferred Liabilities | $0 | $4,000 | $2,000 |
| Payables And Accrued Expenses | $711,000 | $1,160,000 | $1,596,000 |
| Payables | $566,000 | $809,000 | $950,000 |
| Total Tax Payable | $304,000 | $371,000 | $405,000 |
| Income Tax Payable | $304,000 | $304,000 | $327,000 |
| Accounts Payable | $262,000 | $438,000 | $545,000 |
| Equity | |||
| Common Stock Equity | $405,000 | $3,204,000 | $29,388,000 |
| Total Equity Gross Minority Interest | $405,000 | $3,204,000 | $29,388,000 |
| Stockholders Equity | $405,000 | $3,204,000 | $29,388,000 |
| Retained Earnings | $-331,213,000 | $-331,198,000 | $-332,133,000 |
| Gains Losses Not Affecting Retained Earnings | - | $0 | $-1,000 |
| Other Equity Adjustments | - | - | $-1,000 |
| Other | |||
| Treasury Shares Number | $634,102 | $549,028 | $549,028 |
| Ordinary Shares Number | $2,377,815 | $2,462,889 | $2,446,652 |
| Share Issued | $3,011,917 | $3,011,917 | $2,995,680 |
| Tangible Book Value | $405,000 | $3,204,000 | $29,388,000 |
| Invested Capital | $405,000 | $4,795,000 | $29,388,000 |
| Working Capital | $282,000 | $1,688,000 | $26,619,000 |
| Total Capitalization | $405,000 | $4,770,000 | $29,388,000 |
| Treasury Stock | $15,315,000 | $15,147,000 | $15,147,000 |
| Additional Paid In Capital | $346,904,000 | $349,520,000 | $376,640,000 |
| Capital Stock | $29,000 | $29,000 | $29,000 |
| Common Stock | $29,000 | $29,000 | $29,000 |
| Preferred Stock | $0 | $0 | $0 |
| Current Deferred Revenue | $0 | $4,000 | $2,000 |
| Current Accrued Expenses | $145,000 | $351,000 | $646,000 |
| Net PPE | $0 | $2,182,000 | $2,301,000 |
| Accumulated Depreciation | $0 | $-4,212,000 | $-4,126,000 |
| Gross PPE | $0 | $6,394,000 | $6,427,000 |
| Machinery Furniture Equipment | $0 | $3,270,000 | $3,303,000 |
| Buildings And Improvements | $0 | $1,711,000 | $1,711,000 |
| Land And Improvements | $0 | $594,000 | $594,000 |
| Properties | $0 | $0 | $0 |
| Finished Goods | $71,000 | - | $330,000 |
| Work In Process | $0 | - | $328,000 |
| Raw Materials | $0 | $124,000 | $133,000 |
| Other Properties | - | $819,000 | $819,000 |
| Other Inventories | - | $325,000 | $658,000 |
| Other Short Term Investments | - | $0 | $14,751,000 |
Fetched: 2026-02-02
Cash Flow Statement (Annual)
| Metric | 2023-12-31 | 2022-12-31 | 2021-12-31 |
|---|---|---|---|
| Free Cash Flow | |||
| Free Cash Flow | $-823,000 | $-521,000 | $-323,000 |
| Operating Activities | |||
| Operating Cash Flow | $-823,000 | $-521,000 | $-323,000 |
| Cash From Discontinued Operating Activities | $0 | $0 | $-262,000 |
| Cash Flow From Continuing Operating Activities | $-823,000 | $-521,000 | $-61,000 |
| Operating Gains Losses | $-1,895,000 | $-1,428,000 | $-613,000 |
| Investing Activities | |||
| Investing Cash Flow | $4,102,000 | $16,722,000 | $640,000 |
| Cash Flow From Continuing Investing Activities | $4,102,000 | $16,722,000 | $640,000 |
| Net Other Investing Changes | $4,102,000 | $1,954,000 | $643,000 |
| Financing Activities | |||
| Repurchase Of Capital Stock | $-2,784,000 | $-27,092,000 | $0 |
| Financing Cash Flow | $-4,395,000 | $-25,751,000 | $-187,000 |
| Cash Flow From Continuing Financing Activities | $-4,395,000 | $-25,751,000 | $-187,000 |
| Net Common Stock Issuance | $-2,784,000 | $-27,092,000 | $0 |
| Net Other Financing Charges | - | $-210,000 | $-187,000 |
| Other | |||
| Repayment Of Debt | $-1,611,000 | $-9,000 | $0 |
| Issuance Of Debt | $0 | $1,560,000 | $0 |
| Interest Paid Supplemental Data | $67,000 | $33,000 | $0 |
| End Cash Position | $594,000 | $1,710,000 | $11,260,000 |
| Beginning Cash Position | $1,710,000 | $11,260,000 | $11,130,000 |
| Changes In Cash | $-1,116,000 | $-9,550,000 | $130,000 |
| Common Stock Payments | $-2,784,000 | $-27,092,000 | $0 |
| Net Issuance Payments Of Debt | $-1,611,000 | $1,551,000 | $0 |
| Net Long Term Debt Issuance | $-1,611,000 | $1,551,000 | $0 |
| Long Term Debt Payments | $-1,611,000 | $-9,000 | $0 |
| Long Term Debt Issuance | $0 | $1,560,000 | $0 |
| Net Investment Purchase And Sale | $0 | $14,768,000 | $-3,000 |
| Sale Of Investment | $0 | $15,823,000 | $3,000 |
| Purchase Of Investment | $0 | $-1,055,000 | $-6,000 |
| Change In Working Capital | $225,000 | $-125,000 | $500,000 |
| Change In Other Working Capital | $-4,000 | $-20,000 | $3,000 |
| Change In Other Current Liabilities | $0 | $-22,000 | $19,000 |
| Change In Payables And Accrued Expense | $-450,000 | $-199,000 | $263,000 |
| Change In Accrued Expense | $-207,000 | $-200,000 | $237,000 |
| Change In Payable | $-243,000 | $1,000 | $26,000 |
| Change In Account Payable | $-175,000 | $12,000 | $19,000 |
| Change In Tax Payable | $-68,000 | $-11,000 | $7,000 |
| Change In Income Tax Payable | $-68,000 | $-11,000 | $7,000 |
| Change In Prepaid Assets | $-105,000 | $158,000 | $108,000 |
| Change In Inventory | $163,000 | $145,000 | $362,000 |
| Change In Receivables | $621,000 | $-209,000 | $-236,000 |
| Changes In Account Receivables | $495,000 | $41,000 | $-236,000 |
| Stock Based Compensation | $0 | $182,000 | $371,000 |
| Asset Impairment Charge | $791,000 | $0 | - |
| Depreciation Amortization Depletion | $71,000 | $120,000 | $140,000 |
| Depreciation And Amortization | $71,000 | $120,000 | $140,000 |
| Gain Loss On Sale Of Business | $0 | $-18,000 | $0 |
| Net Income From Continuing Operations | $-15,000 | $919,000 | $-459,000 |
| Other Non Cash Items | - | $-189,000 | - |
| Effect Of Exchange Rate Changes | - | - | $0 |
| Net Business Purchase And Sale | - | - | $0 |
| Sale Of Business | - | - | $0 |
| Unrealized Gain Loss On Investment Securities | - | - | $0 |
Fetched: 2026-02-02