ioneer Ltd
IONR- Exchange
- Nasdaq
- Industry
- Mining & Quarrying of Nonmetallic Minerals (No Fuels)
- SEC CIK
- 0001896084
In the last 90 days, ioneer Ltd insiders filed 0 open-market purchases and 3 sales; 33 institutions reported holding it in 13F filings for Q2 2026, worth $11.2M in total; no superinvestor holds it.
Other share classesGSCCF
13F holders, Q4 2025
Institutional positions in ioneer Ltd as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 23
- +10 vs. Q3 2025
- Shares held
- 491.5K
- +360.8K (+276.1%) vs. Q3 2025
- Total value
- $2.36M
- +$1.77M (+304.2%) vs. Q3 2025
- New holders
- 12
- 4 more added
- Sold out
- 2
- 4 more reduced
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting IONR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 33 | $11.2M |
| Q1 2026 | 22 | $12.2M |
| Q4 2025 | 23 | $2.36M |
| Q3 2025 | 13 | $583.4K |
| Q2 2025 | 12 | $167.7K |
| Q1 2025 | 8 | $329.1K |
| Q4 2024 | 7 | $209.2K |
| Q3 2024 | 3 | $14.2K |
| Q2 2024 | 2 | $14.8K |
| Q1 2024 | 2 | $29.1K |
| Q4 2023 | 4 | $263.1K |
| Q3 2023 | 6 | $396.3K |
| Q2 2023 | 4 | $390.2K |
| Q1 2023 | 6 | $383.9K |
| Q4 2022 | 6 | $606.0K |
| Q3 2022 | 4 | $750.0K |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding ioneer Ltd; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Marshall Wace, LLP | 165,231 | $793.1K | 0.00% | +165,231 | New |
| Morgan Stanley | 60,905 | $292.3K | 0.00% | +51,305+534.4% | Added |
| Citadel Advisors LLC | 56,915 | $273.2K | 0.00% | +56,915 | New |
| Jane Street Group, LLC | 40,497 | $194.4K | 0.00% | −13,545−25.1% | Reduced |
| GK Wealth Management LLC | 33,775 | $162.1K | 0.12% | −7,725−18.6% | Reduced |
| Virtu Financial LLC | 20,069 | $96.0K | 0.00% | +20,069 | New |
| Millennium Management LLC | 19,934 | $95.7K | 0.00% | +19,934 | New |
| Old Mission Capital LLC | 18,270 | $87.7K | 0.00% | +18,270 | New |
| HRT Financial LP | 17,322 | $83.0K | 0.00% | +17,322 | New |
| Pekin Hardy Strauss, Inc. | 16,000 | $76.8K | 0.01% | +16,000 | New |
| Brookwood Investment Group LLC | 11,500 | $55.2K | 0.01% | +11,500 | New |
| Susquehanna International Group, LLP | 11,309 | $54.3K | 0.00% | +11,309 | New |
| XTX Topco Ltd | 11,241 | $54.0K | 0.00% | +11,241 | New |
| UBS Group AG | 2,150 | $10.3K | 0.00% | +1,907+784.8% | Added |
| Marquette Asset Management, LLC | 2,000 | $9.60K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 1,808 | $8.68K | 0.00% | +1,808 | New |
| GAMMA Investing LLC | 1,191 | $5.72K | 0.00% | +1,191 | New |
| Wells Fargo & Company | 500 | $2.40K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 423 | $2.03K | 0.00% | +367+655.4% | Added |
| Advisor Group Holdings, Inc. | 300 | $1.44K | 0.00% | −100−25.0% | Reduced |
| Bogart Wealth, LLC | 60 | $288 | 0.00% | +20+50.0% | Added |
| EverSource Wealth Advisors, LLC | 27 | $130 | 0.00% | −1,034−97.5% | Reduced |
| Bessemer Group Inc | 36 | $0 | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 0 | $0 | 0.00% | −11,190−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |