Skip to main content

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

Holders of 5% or more of IONR

Holders whose latest Schedule 13D or 13G filing reports 5% or more of ioneer Ltd, largest stake first. The change is against the holder's previous filing.

No holder currently reports owning 5% or more of ioneer Ltd on Schedule 13D or 13G.

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

1 Schedule 13D or 13G filing on ioneer Ltd, newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on IONR
Filed (ET)FilerFormStakeChangeEvent dateFiling
Jul 29, 20253:32 PM ETSibanye Stillwater Ltdand 1 other13G/A0.00%0 shares–Below 5%Jul 24, 2025SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell ioneer Ltd shares.

No Form 144 notices for ioneer Ltd are on file.