# ioneer Ltd: Form 20-F for the period ended Dec 31, 2025

- Company: [ioneer Ltd](/companies/ionr.md) (CIK 1896084)
- Form: 20-F
- Filed: 2026-04-29
- Accepted by EDGAR: Apr 29, 2026, 17:04 ET
- Period: 2025-12-31
- Accession: 0001140361-26-017853
- Inline XBRL: yes
- Main document: https://www.sec.gov/Archives/edgar/data/1896084/000114036126017853/ef20070398_20f.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/1896084/000114036126017853/

## Figures reported in this filing

Standardized XBRL line items for the period ended 2025-12-31.

| Line item | Period | Value | XBRL concept |
| --- | --- | ---: | --- |
| Shares outstanding | at 2025-12-31 | 2,674,633,957 shares | dei:EntityCommonStockSharesOutstanding |

## Sections

Sections are extracted only from 10-K and 10-Q reports. Read this filing’s documents on sec.gov. https://www.sec.gov/Archives/edgar/data/1896084/000114036126017853/ef20070398_20f.htm

Filed Apr 29, 2026.
Source: SEC EDGAR, the filing index for accession 0001140361-26-017853. Last ingested by Listed: Oct 27, 2026, 06:04 ET. No prices; not investment advice.
