Ioneer IONR Institutional Ownership

Ownership Summary

ioneer Ltd (NASDAQ:IONR) has 22 institutional investors with active 13F positions as of March 2026.

• Collectively, these holders controlled 0.1% of Ioneer's outstanding shares in March 2026, up from 0.0% in December 2025.
• They increased total shares held in Ioneer by 2752.8% from the prior quarter, while the number of investors in IONR increased 144.44% year over year.
• Among the 22 funds, 15 bought more Ioneer shares, 1 sold down, and 6 held their ground.
• The aggregate institutional position in Ioneer amounted to 2.87Mn shares as of March 2026, up by 2.77Mn shares quarter on quarter, and up 2.76Mn shares year over year.
• As of March 31, 2026, Invesco Ltd. held the largest stake in Ioneer with 2.24Mn shares, accounting for 0.08% of total shares outstanding.
• The biggest buyers of Ioneer for the quarter ending March 2026 included Invesco Ltd. (2.24Mn), Integrated Wealth Concepts LLC (188.56K), UBS Group AG (107.46K), Citigroup Inc (100.0K), Cambridge Investment Research Advisors, Inc. (96.55K).
• The biggest sellers of Ioneer for the quarter ending March 2026 included Morgan Stanley (56.8K).
• Business Quant data shows the 10 biggest positions in Ioneer as of March 2026 are held by Invesco Ltd. (2.24Mn), Integrated Wealth Concepts LLC (188.56K), UBS Group AG (109.61K), Citigroup Inc (100.0K), Cambridge Investment Research Advisors, Inc. (96.55K), Goldman Sachs Group Inc (38.23K), MILLENNIUM MANAGEMENT LLC (32.8K), KING LUTHER CAPITAL MANAGEMENT CORP (25.0K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (24.47K), Jpmorgan Chase & Co (5.39K).