Atonarp key facts
- Manufacturer of a cloud-connected mass spectrometer intended to quantitatively analyze chemical processes in real-time.
- It has raised $114.5M; the latest was Secondary Transaction - Private in Jan 2025.
- Notable investors include Mitsubishi UFJ Capital, SMBC Venture Capital, SBI Investment, Celesta Capital, Japan Post Investment — 17 tracked in total.
- Status: Privately Held (backing).
Who backs Atonarp
17+- ·The complete investor list: 17 names
- ·Watch Atonarp: the Monday email on marks, rounds and moves
Atonarp funding rounds
No funding rounds for Atonarp are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
Atonarp investors
17 investors are on record for Atonarp, including Mitsubishi UFJ Capital, SMBC Venture Capital, SBI Investment and Celesta Capital. By type, the record holds 5 venture capital firms and 1 private equity firm.
About Atonarp
Manufacturer of a cloud-connected mass spectrometer intended to quantitatively analyze chemical processes in real-time. The company's spectrometer focuses on breakthroughs in miniaturization, artificial intelligence, vacuum science, and optics, enabling energy, pharmaceutical, petrochemical, and semiconductor industries to perform quantitative molecular analysis, diagnostics, and imaging efficiently.
- Sector
- Healthcare
- HQ
- Tokyo, Japan
- Founded
- 2009
- Employees
- 19
- Website
- atonarp.com/
- Ownership
- Privately Held (backing)
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Atonarp doesn't have a valuation on record yet — one is published once a priced round, a reported valuation, fund marks, or secondary prints surface in our sources. The rest of the record below builds toward it.