Who has invested in Ioneer?

US Department of Energy are named among the investors backing Ioneer.

Ioneer Funding: $16M Raised, Growth (2025)

Ioneer funding overview

Ioneer is based in North Sydney, Nsw, Australia. Ioneer has raised $16M in total disclosed funding. That places its disclosed total in the $1M–$25M range. Its most recent disclosed round is a Growth announced in June 2025. The round record for Ioneer runs through 2025; nothing later has been disclosed. Investors on record include US Department of Energy.

Ioneer at a glance

Total raised: $16M
Latest round: Growth
Latest round date: June 2025
Headquarters: North Sydney, Nsw, Australia
Notable investors: US Department of Energy

Frequently asked about Ioneer funding

How much has Ioneer raised?: Ioneer has raised $16M in total disclosed funding across the rounds on record.
Who has invested in Ioneer?: US Department of Energy are named among the investors backing Ioneer.
What was the latest Ioneer funding round?: The most recent disclosed round is a Growth, announced in June 2025.
Where is Ioneer based?: Ioneer is based in North Sydney, Nsw, Australia.
When did Ioneer last raise?: The last disclosed Ioneer round closed in June 2025 at Growth.

Totals shown for Ioneer aggregate every disclosed round on file. To see how that compares, browse the companies in North Sydney and the investors behind them below.

Ioneer Funding: $16M Raised, Growth (2025)

Ioneer funding overview

Ioneer at a glance

Frequently asked about Ioneer funding

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