Key Highlights

  • Brazilian Rare Earths Ltd (ASX:BRE) traded at A$1.72, down 12.60%, Oceana Metals Ltd (ASX:OCN) at A$0.265, down 10.17%, and Basin Energy Ltd (ASX:BSN) at A$0.02, down 9.09%, during the 23 October 2026 trading session.
  • The S&P/ASX 200 was at 8,760.50, down 0.37%, at 1:16 pm AEDT on 23 October 2026.
  • The companies last reported on 20 October (BRE), 19 October (OCN) and 13 October 2026 (BSN), covering a quarterly report, an Acquisition completion and maiden drilling respectively.

Three ASX-listed rare earths companies traded lower during the 23 October 2026 trading session. Brazilian Rare Earths Limited (ASX:BRE) was trading at A$1.72, down 12.60%, Oceana Metals Ltd (ASX:OCN) at A$0.265, down 10.17%, and Basin Energy Limited (ASX:BSN) at A$0.02, down 9.09%. Each fell by considerably more than the S&P/ASX 200, which was at 8,760.50, down 0.37% (32.70 points), at 1:16 pm AEDT. The three companies are at different stages of rare earths exploration and development, in Brazil and northwest Queensland, and each has issued an update in recent weeks, summarised below with its release date.

Brazilian Rare Earths Limited (ASX:BRE)

Brazilian Rare Earths was trading at A$1.72, down 12.60%, during the session. The company is focused on rare earth and critical mineral projects in Brazil's Rocha da Rocha Province, including the Monte Alto and Sulista deposits and a planned refinery at the Camaçari Petrochemical Complex.

On 20 October 2026, it released its quarterly activities report for the period ending September 2026. The company said the Monte Alto Mineral Resource grades 11.3% total rare earth oxides (TREO), and summarised an integrated scoping study forecasting an after-tax NPV8 of US$6.0 billion, noting the study has an intended accuracy of approximately plus or minus 40%. It reported new drilling extensions at Monte Alto, a new discovery at Sulista South, and production of first concentrate at its Camaçari pilot plant. It also reported A$121.8 million in cash at 30 September 2026 and listed an updated Monte Alto resource for Q4 2026 among its next steps.

Oceana Metals Ltd (ASX:OCN)

Oceana Metals was trading at A$0.265, down 10.17%. The company is an ASX-listed explorer whose focus is the Serra Negra Rare Earths and Niobium Project in Minas Gerais, Brazil.

On 19 October 2026, Oceana announced it had completed the acquisition of 100% of Songeo Mineração S.A., which holds the project. The company said completion occurred on 16 October 2026, with consideration of US$2.95 million in cash and 15,537,600 shares at a deemed issue price of A$0.36 per share, plus deferred milestone payments of up to US$2.25 million. It said four rigs are drilling the Central target as part of a maiden program of about 20,000 m, with assays expected throughout Q4 2026. The company noted that the ANM's determination on amending certain Mining rights is pending and expected in Q1 2027, with no certainty on timing or outcome. It estimated cash of approximately A$16.5 million.

Basin Energy Limited (ASX:BSN)

Basin Energy was trading at A$0.02, down 9.09%. The company is an ASX-listed critical minerals exploration company focused on rare earth and uranium discovery in northwest Queensland, with its Sybella-Barkly Project located west of Mount Isa.

On 13 October 2026, Basin announced that maiden drilling had commenced at the Rochedale heavy rare earth prospect, about 15 km southwest of its Newmans rare earth discovery. The reverse circulation program of up to seven holes is targeting heavy rare earth enrichment associated with phosphorites, which the company described as a new mineralisation model for the project. It is supported by up to $76,413 of non-dilutive Queensland Government funding. Basin said assay results are expected in December 2026, and that the Newmans discovery has been demonstrated to extend over at least 6.7 km.

Related Sector Context

All three companies operate in the rare earths segment of the ASX resources sector. Rare earth elements such as neodymium, praseodymium, dysprosium and terbium are used in permanent magnets, and the companies have referred to applications including electric vehicles, defence technologies, robotics and advanced manufacturing. Companies in this segment are generally exploration or development-stage and report progress through drilling results, resource estimates, studies and pilot testing rather than revenue.

The three companies sit at different points on that path. Brazilian Rare Earths has a reported resource and a scoping study. Oceana is working towards a maiden Mineral Resource Estimate. Basin is conducting first-pass drilling at a new prospect.

The benchmark S&P/ASX 200 was down 0.37% at 1:16 pm AEDT, so the three stocks' falls of between 9.09% and 12.60% were considerably larger than the broader market's decline.

Risks to Weigh In

  • BRE's scoping study is preliminary, with an intended accuracy of approximately plus or minus 40%, and the company states there is no certainty its forecast outcomes will be realised.
  • OCN's Serra Negra project does not yet have a JORC Mineral Resource Estimate, and the ANM determination on amending its mining rights is pending.
  • OCN has stated that some consideration shares will be released from Escrow following a cleansing prospectus, subject to orderly disposal provisions.
  • BSN's Rochedale program tests a new mineralisation model, and historical drilling data on the target unit has not been verified.
  • All three companies are exploration or development-stage, and their announcements carry forward-looking statements subject to uncertainty.

Catalysts on Watch

  • BRE: an updated Monte Alto Mineral Resource Estimate in Q4 2026, and Stage II pilot plant commissioning targeted for Q2 2027.
  • OCN: assay results throughout Q4 2026, further historical core assays and geophysical results in October 2026, and a maiden resource in the coming months.
  • OCN: the ANM decision on the mining rights amendment, expected in Q1 2027.
  • BSN: Rochedale assay results, expected in December 2026, and preliminary mineralogical work on Newmans.

Wrapping Up

Three rare earths names traded lower during the 23 October 2026 trading session, with BRE down 12.60%, OCN down 10.17% and BSN down 9.09%, against a 0.37% decline in the S&P/ASX 200. Their most recent updates were released on 20 October, 19 October and 13 October 2026 respectively, and each company has listed further drilling, assays or resource work among its next steps.