NASDAQ:RBCN Rubicon Technology (RBCN) Stock Price, News & Analysis $3.10 -0.30 (-8.82%) As of 08/8/2025 03:42 PM Eastern Add Compare Share Share Stock Analysis Stock AnalysisChartCompetitorsDividendEarningsInsider TradesSEC FilingsShort InterestTrendsBuy This Stock About Rubicon Technology Stock (NASDAQ:RBCN) 30 days 90 days 365 days Advanced Chart View Price History Chart DataSkip Price History Chart Get Rubicon Technology alerts:Sign Up Key Stats Today's Range$3.10▼$3.5350-Day Range$1.82▼$3.6052-Week Range$0.81▼$5.51Volume11,763 shsAverage Volume2,802 shsMarket Capitalization$7.38 millionP/E Ratio16.32Dividend YieldN/APrice TargetN/AConsensus RatingN/A Company Overview 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. Read More Rubicon Technology Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks2nd Percentile Overall ScoreRBCN MarketRank™: Rubicon Technology scored higher than 2% of companies evaluated by MarketBeat. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's OpinionN/AAnalyst RatingN/A Consensus RatingThere is not enough analysis data for Rubicon Technology. Earnings and Valuation1.3 / 5Proj. Earnings GrowthN/A Price to Earnings Ratio vs. the MarketThe P/E ratio of Rubicon Technology is 16.32, which means that it is trading at a less expensive P/E ratio than the market average P/E ratio of about 27.85.Price to Earnings Ratio vs. SectorThe P/E ratio of Rubicon Technology is 16.32, which means that it is trading at a less expensive P/E ratio than the Computer and Technology sector average P/E ratio of about 50.44.Price to Book Value per Share RatioRubicon Technology has a P/B Ratio of 18.24. P/B Ratios above 3 indicate that a company could be overvalued with respect to its assets and liabilities. Short Interest1.0 / 5Short Interest LevelBearish Percentage of Shares Shorted0.51% of the outstanding shares of Rubicon Technology have been sold short.Short Interest Ratio / Days to CoverRubicon Technology has a short interest ratio ("days to cover") of 17.4, which indicates bearish sentiment.Change versus previous monthShort interest in Rubicon Technology has recently increased by 4.27%, indicating that investor sentiment is decreasing. Dividend0.0 / 5Dividend StrengthWeak Dividend YieldRubicon Technology does not currently pay a dividend.Dividend GrowthRubicon Technology does not have a long track record of dividend growth.Read more about Rubicon Technology's dividend. Sustainability and ESGN/AEnvironmental ScoreN/A Percentage of Shares Shorted0.51% of the outstanding shares of Rubicon Technology have been sold short.Short Interest Ratio / Days to CoverRubicon Technology has a short interest ratio ("days to cover") of 17.4, which indicates bearish sentiment.Change versus previous monthShort interest in Rubicon Technology has recently increased by 4.27%, indicating that investor sentiment is decreasing. News and Social Media0.6 / 5News SentimentN/A Search Interest1 people have searched for RBCN on MarketBeat in the last 30 days. Company Ownership0.0 / 5Insider TradingN/A Insider Buying vs. Insider SellingIn the past three months, Rubicon Technology insiders have not sold or bought any company stock.Percentage Held by InsidersOnly 3.60% of the stock of Rubicon Technology is held by insiders.Percentage Held by InstitutionsOnly 0.01% of the stock of Rubicon Technology is held by institutions.Read more about Rubicon Technology's insider trading history. Receive RBCN Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Rubicon Technology and its competitors with MarketBeat's FREE daily newsletter. Email Address RBCN Stock News HeadlinesRubicon Technology Stock Price, Quotes and Forecasts | OTC:RBCN | BenzingaApril 23, 2025 | benzinga.comWork Truck Solutions Announces Strategic Investment from Rubicon Technology PartnersMarch 4, 2025 | globenewswire.comHIDDEN IN THE BOOK OF GENESIS…“This land I will give to you…” — a 4,000-year-old line from Genesis may hold the key to unlocking a $150 trillion vault of untapped American wealth. Former CIA advisor Jim Rickards calls it the “Old Testament Wealth Code” — and says it could transform your financial future. He’s revealing everything in a new presentation.August 9 at 2:00 AM | Paradigm Press (Ad)Rubicon Names Eric Bauer as Chief Financial OfficerDecember 9, 2024 | tmcnet.comRubicon Technology Partners Closes $500 Million Single-Asset Continuation Fund to Support the Continued Growth of Cin7November 19, 2024 | tmcnet.comTeam Rubicon’s Hurricane Milton relief effortsOctober 11, 2024 | yahoo.comRubicon Technology Inc.September 5, 2024 | wsj.comBlue Bell wealth manager faces lawsuit over allegedly mishandling $20MAugust 6, 2024 | bizjournals.comSee More Headlines RBCN Stock Analysis - Frequently Asked Questions How have RBCN shares performed this year? Rubicon Technology's stock was trading at $1.65 on January 1st, 2025. Since then, RBCN stock has increased by 87.9% and is now trading at $3.10. When did Rubicon Technology's stock split? Shares of Rubicon Technology reverse split before market open on Friday, May 5th 2017.The 1-10 reverse split was announced on Thursday, May 4th 2017. The number of shares owned by shareholders was adjusted after the closing bell on Thursday, May 4th 2017. An investor that had 100 shares of stock prior to the reverse split would have 10 shares after the split. Does Rubicon Technology have any subsidiaries? Rubicon Technology subsidiaries include Rubicon DTP LLC, Rubicon Technology BP LLC, and Rubicon Technology Worldwide LLC. How do I buy shares of Rubicon Technology? Shares of RBCN stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services. What other stocks do shareholders of Rubicon Technology own? Based on aggregate information from My MarketBeat watchlists, some other companies that Rubicon Technology investors own include Ballard Power Systems (BLDP), Cree (CREE), Six Flags Entertainment (FUN), Actinium Pharmaceuticals (ATNM), Groupon (GRPN), NeoPhotonics (NPTN) and Ritter Pharmaceuticals (RTTR). Company Calendar Today8/09/2025Fiscal Year End12/31/2025Get Stock AlertsIndustry, Sector and Symbol Stock ExchangeNASDAQ SectorComputer and Technology Industry Electronic parts & equipment, not elsewhere classified Sub-IndustrySemiconductor Equipment Current SymbolNASDAQ:RBCN CIK1410172 Webwww.rubicontechnology.com Phone(847) 295-7000Fax847-295-7555Employees10Year Founded2001Profitability EPS (Trailing Twelve Months)($0.05) Trailing P/E Ratio16.32 Forward P/E RatioN/A P/E GrowthN/ANet Income-$10 thousand Net Margins-29.90% Pretax Margin-29.84% Return on Equity-122.29% Return on Assets-47.56% Debt Debt-to-Equity RatioN/A Current Ratio1.51 Quick Ratio1.38 Sales & Book Value Annual Sales$3.88 million Price / Sales1.90 Cash Flow$0.03 per share Price / Cash Flow89.59 Book Value$0.17 per share Price / Book18.24Miscellaneous Outstanding Shares2,380,000Free Float2,292,000Market Cap$7.38 million OptionableNot Optionable Beta0.97 Social Links Reduce the RiskMarket downturns give many investors pause, and for good reason. Wondering how to offset this risk? Enter your email address to learn more about using beta to protect your portfolio.Get This Free Report This page (NASDAQ:RBCN) was last updated on 8/9/2025 by MarketBeat.com Staff From Our PartnersTrump’s national nightmare is herePorter Stansberry and Jeff Brown say a new U.S. national emergency is already underway — and it could trigger ...Porter & Company | SponsoredMan Who Called Nvidia at $1.10 Says Buy This Now...In 2004, one man called Nvidia before just about anyone knew it existed. 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