NASDAQ:IONR ioneer (IONR) Stock Price, News & Analysis $3.57 -0.16 (-4.29%) Closing price 03:57 PM EasternExtended Trading$3.60 +0.03 (+0.84%) As of 04:10 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Stock Analysis Stock AnalysisChartCompetitorsHeadlinesOwnershipSEC FilingsShort InterestTrendsBuy This Stock About ioneer Stock (NASDAQ:IONR) View Price History Chart DataSkip Price History Chart 1 Day 5 Days 30 Days 90 Days 1 Year Advanced 1 Day 1 Day 5 Days 30 Days 90 Days 1 Year Advanced Show volume Show extended hours Get ioneer alerts:Sign Up Key Stats Today's Range$3.55▼$3.7050-Day Range$2.84▼$4.1952-Week Range$2.30▼$9.35Volume15,693 shsAverage Volume25,842 shsMarket CapitalizationN/AP/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingN/A Company Overview ioneer Ltd. is a mineral exploration and development company focused on advancing its flagship Rhyolite Ridge lithium-boron project in Nevada. The company’s core business activities center on developing a vertically integrated supply of critical battery minerals, including lithium carbonate and boric acid, to support the growing electric vehicle and energy storage markets. ioneer’s Rhyolite Ridge project is one of the only known deposits globally that contains both lithium and boron in economically recoverable concentrations, positioning the company to deliver a differentiated product to downstream battery and industrial users. Founded and listed on the Australian Securities Exchange in the late 2010s under its original name, the company rebranded to ioneer in 2018 to reflect a strategic focus on innovation in battery metals. In early 2022, ioneer completed a business combination that enabled its shares to trade on the Nasdaq under the ticker IONR, providing broader access to U.S. capital markets. Since then, the company has progressed through feasibility, permitting and engineering studies, securing key environmental and mining permits and engaging with local and federal agencies to advance the project toward construction and first production. Headquartered in Denver, Colorado, with corporate offices in Perth, Australia, ioneer draws on a management team with extensive experience in mining development, project financing and chemical processing. The leadership team is led by CEO Simon Kidston, who brings more than two decades of project development and corporate strategy expertise. As the company moves toward commercial-scale operations, it continues to engage with offtake partners and stakeholders across North America and Asia to establish long-term supply agreements for its lithium-boron product suite.AI Generated. May Contain Errors. 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IONR Stock News HeadlinesTrump admin listens to proposals related to Myanmar’s rare earths, Reuters saysJuly 29, 2025 | msn.com7 Best ASX Stocks to Buy Now - Insider MonkeyJune 30, 2025 | insidermonkey.comAlert: Prepare for Trump's Dollar OverhaulPresident Trump just signed a game-changing law… That could soon upgrade the U.S. dollar in your checking and savings account… With this better, more technologically advanced dollar. President Trump himself called it a "big innovation"… And said that this new form of currency represents "American brilliance at its best."September 19 at 2:00 AM | Brownstone Research (Ad)ioneer Ltd files correction to resource statementJune 15, 2025 | investing.comSibanye Stillwater pulls out of Nevada lithium joint venture with IoneerFebruary 26, 2025 | msn.comDOE grants $996 million loan to Nevada lithium projectJanuary 17, 2025 | msn.comIoneer shoots higher as Biden boosts loan for Nevada lithium mine to nearly $1BJanuary 17, 2025 | msn.comBiden boosts loan for ioneer's Nevada lithium mine to nearly $1 billionJanuary 17, 2025 | reuters.comSee More Headlines IONR Stock Analysis - Frequently Asked Questions How have IONR shares performed this year? ioneer's stock was trading at $3.99 at the start of the year. Since then, IONR stock has decreased by 10.5% and is now trading at $3.57. Who are ioneer's major shareholders? Top institutional shareholders of ioneer include GK Wealth Management LLC. How do I buy shares of ioneer? Shares of IONR 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 ioneer own? Based on aggregate information from My MarketBeat watchlists, some other companies that ioneer investors own include NVIDIA (NVDA), PepsiCo (PEP), CrowdStrike (CRWD), Diamondback Energy (FANG), Intel (INTC), Pfizer (PFE) and Adobe (ADBE). Industry, Sector and Symbol Stock ExchangeNASDAQ SectorBasic Materials Industry Other Industrial Metals & Mining Sub-IndustryNon-Metallic And Industrial Metal Mining Current SymbolNASDAQ:IONR CIK1896084 Webwww.ioneer.com Phone61-2-9922-5800FaxN/AEmployeesN/AYear FoundedN/AProfitability EPS (Trailing Twelve Months)N/A Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet IncomeN/A Net MarginsN/A Pretax MarginN/A Return on EquityN/A Return on AssetsN/A Debt Debt-to-Equity RatioN/A Current RatioN/A Quick RatioN/A Sales & Book Value Annual SalesN/A Price / SalesN/A Cash FlowN/A Price / Cash FlowN/A Book ValueN/A Price / BookN/AMiscellaneous Outstanding SharesN/AFree FloatN/AMarket CapN/A OptionableNot Optionable BetaN/A Beginner's Guide To Retirement StocksEnter your email address and we'll send you MarketBeat's list of seven best retirement stocks and why they should be in your portfolio. Get This Free Report This page (NASDAQ:IONR) was last updated on 9/19/2025 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 | SponsoredHe Called Nvidia at $1.10. Now, He Says THIS Stock Will…The original Magnificent Seven returned 16,894%—turning $7K into $1.18 million. 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