Ellerston Capital is a private equity firm and venture capital firm. Team members are concentrated in Sydney, New South Wales, Australia. Among the 12 companies in the known portfolio are Sleek, Mable, Firmus Technologies, Willed, Aerologix and Ansarada.
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Investment focus
Who to pitch at Ellerston Capital
Ellerston Capital portfolio companies (12)
- Sleek
- Mable
- Firmus Technologies
- Willed
- Aerologix
- Ansarada
- BiomeBank
- DataZoo
- Internet 2.0
- BCAL Diagnostics
- EcoJoule Energy
- Phocas
Co-investors
Funds that share portfolio companies with Ellerston Capital.
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About Ellerston Capital
The firm's listing covers sectors Commerce, Consumer, FinTech and Hardware, and focus areas Analytics, Biotech, Business Intelligence and Compliance; known deals cluster at Growth, Late-Stage and Seed.
Of the 3 people on file at Ellerston Capital, Anthony Klok (Investment Director - Ellerston Ventures) and Justin Diddams (Investment Director - Private Equity) are listed as the contacts to approach first.
Across the known portfolio, 20 co-investors appear alongside Ellerston Capital, including Kärcher New Venture, Coatue Management and Illumina.
Frequently asked questions
What is Ellerston Capital?
Ellerston Capital is a private equity firm and venture capital firm whose team is concentrated in Sydney, New South Wales, Australia, with a known portfolio of 12 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What does Ellerston Capital invest in?
Listed sectors include Commerce, Consumer, FinTech and Hardware; listed focus areas include Analytics, Biotech, Business Intelligence and Compliance. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.
What stage does Ellerston Capital invest at?
The known deals of Ellerston Capital include Growth, Late-Stage and Seed rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at Ellerston Capital?
2 of the 3 people on file at Ellerston Capital are listed as contacts for the firm. All 3 have their own profile page.
How do I contact Ellerston Capital?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 3 people attached to the firm have their own pages, each showing whether an address is on file for them.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal