Price Move History
- Daily moves over 5%
- 28 122 sessions, October 28, 2025 to October 30, 2026
- Largest daily move
- +13.1% close of March 31, 2026
- 1-year change
- +23.9% closing prices, October 28, 2025 to October 30, 2026
- 1-month change
- -11.7% closing prices, September 30, 2026 to October 30, 2026
Company Description
RIO TINTO LTD AUD2 ORD (RTNTF) represents ordinary shares of Rio Tinto Limited, a foreign issuer that reports to the U.S. Securities and Exchange Commission (SEC) under the foreign private issuer framework. According to its SEC filings, Rio Tinto Limited files reports on Form 20-F and submits periodic current reports on Form 6-K, often jointly with Rio Tinto plc.
In these filings, Rio Tinto Limited is identified alongside Rio Tinto plc, with references to corporate details such as its Australian Business Number (ABN 96 004 458 404). The company appears as part of a dual-listed structure, with Rio Tinto plc located in London in the United Kingdom and Rio Tinto Limited located in Melbourne in the state of Victoria, Australia, as reflected in the 6-K headers.
Regulatory reporting and disclosure
Rio Tinto Limited uses Form 6-K to furnish a range of stock exchange announcements and media releases to the SEC. These include items such as total voting rights and issued capital, notices of substantial holders, notifications of issues or cessations of securities, and changes in interests of directors or key management personnel. The filings also reference dividend and distribution notifications, including related currency exchange rate notices.
Beyond capital and governance disclosures, the 6-K exhibits show that Rio Tinto Limited reports on operational and project-related developments through media releases and stock exchange announcements. Examples in the exhibits include references to production results for a quarter, investment decisions related to an iron ore mine in Western Australia, and project or partnership announcements connected to mining and processing activities, energy arrangements, and technology trials.
Operational and project-related announcements
The exhibits attached to recent 6-K filings indicate that Rio Tinto Limited communicates a variety of operational milestones and project updates. These include media releases titled about:
- Advancing Canadian production of scandium through a transaction with the Canada Growth Fund.
- The start of operations at Simandou, referenced as a celebration by project partners.
- A breakthrough in aluminium production using inert anode technology through ELYSIS, described as a commercial-size cell achievement.
- A new wind power arrangement for Kennecott.
- A partnership with Calix to test low-emissions steel making in Western Australia and a pause of the BioIron initiative.
- A planned reduction in production at the Yarwun Alumina Refinery to extend its operational life.
Other exhibit titles show activity around a battery swap truck trial fleet at the Oyu Tolgoi mine in cooperation with China’s State Power Investment Corporation, as well as prospectus publication and various shareholder and capital-related notices.
Capital, shareholding and governance disclosures
Rio Tinto Limited’s 6-K exhibits frequently include stock exchange announcements on:
- Total voting rights and issued capital, which describe the share capital position at given points in time.
- Shareholdings of persons discharging managerial responsibility (PDMR) and key management personnel (KMP), indicating changes in holdings of senior individuals.
- Appendix 3Y – Change of Director’s Interest Notice, documenting adjustments to directors’ interests.
- Appendix 3G and 3H notifications, covering the issue, conversion, payment up, or cessation of securities.
- Form 603 – Notice of initial substantial holder and Form 605 – Notice of ceasing to be a substantial holder, which relate to substantial shareholding positions.
- TR-1: Standard form for notification of major holdings, another format for reporting significant holdings.
- Board changes, where the company announces changes to its board of directors.
Dividend-related stock exchange announcements, such as Appendix 3A.1 notifications of dividend or distribution and notices of dividend currency exchange rates for interim dividends, also appear among the exhibits. These documents provide insight into how Rio Tinto Limited communicates distributions and related mechanics to the market.
RTNTF as a way to access Rio Tinto Limited
RTNTF gives investors exposure to Rio Tinto Limited’s ordinary shares in AUD2 denomination through an over-the-counter (OTC) symbol. The SEC filings for Rio Tinto Limited and Rio Tinto plc, which are referenced in the RTNTF context, show that the company provides ongoing disclosure about capital structure, substantial holdings, board composition, and key operational developments via its 6-K submissions.
Because Rio Tinto Limited reports as a foreign issuer on Form 20-F and uses Form 6-K for interim disclosures, investors researching RTNTF can use these filings to understand how the company communicates with regulators and markets, including production updates, project partnerships, and changes in shareholdings of major investors and key personnel.
Stock Performance
Rio Tinto AUD2 (RTNTF) closed at $105.29 on October 30, 2026. Over the past 12 months, the price has gained 23.9%.
RTNTF Metrics & Rankings
Price returns through October 30, 2026. Month and year figures include the first trading day. Ranking links may use different dates.
Latest News
SEC Filings
Rio Tinto AUD2 has filed 5 recent SEC filings, including 5 Form 6-K. The most recent filing was submitted on . SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all RTNTF SEC filings →
Short Interest History
Short interest in Rio Tinto AUD2 (RTNTF) currently stands at 74.7 thousand shares, down 53.8% from the previous reporting period, representing 0.0% of the float. Since November 2025, short interest has decreased by 89.9%.
Days to Cover History
Days to cover for Rio Tinto AUD2 (RTNTF) currently stands at 654.9 days, up 145.4% from the previous period. The ratio is the reported short interest divided by the average daily trading volume. Across the settlements charted above, it has ranged from 50.0 to 928.1 days.
RTNTF Company Profile & Sector Positioning
Rio Tinto AUD2 (RTNTF) operates in the Other Industrial Metals & Mining industry within the broader Basic Materials sector and is listed on the OTC.
Investors comparing RTNTF often look at related companies in the same sector, including BHP Billiton Ltd (BHPLF), South32 Ltd (SOUHY), Boliden AB (BDNNY), Ivanhoe Mines Ltd A (IVPAF), and Altius Minerals Corp (ATUSF). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate RTNTF's relative position within its industry.