# Atonarp

Startups and established tech firms (e.g., Atonarp, YSI) are deploying highly sophisticated inline mass spectrometry and biochemistry analyzers to provide unprecedented chemical visibility.

Source: https://en.bioecon.ru/companies/atonarp/
Updated: 2026-06-24

- Country: United States

## Verifiable facts

| Fact | Value | Source |
| --- | --- | --- |
| Funding | $117.5M in total funding over 7 rounds, with $50M in Series D (2021) | https://atonarp.com/en/p000774/ |
| Headcount | 20-22 employees as of December 2025 | https://atonarp.com/en/about/, https://startupintros.com/orgs/atonarp |
| Headquarters | Tokyo, Japan | https://atonarp.com/en/about/, https://startupintros.com/orgs/atonarp, https://www.investing.com/news/company-news/vat-h1-2026-slides-record-orders-meet-margin-pressure-in-ai-ramp-93CH-4805054 |
| Production site | Japan, United States, and India | https://atonarp.com/en/about/, https://startupintros.com/orgs/atonarp |
| Certification | Completion of certification and qualification processes for semiconductor industry standards is an ongoing objective for the Aston Integrated Module [medium confidence] | https://www.nedo.go.jp/english/activities/startups/company_00002.html |
| Regulatory approval | The acquisition of Atonarp by VAT Group is subject to regulatory approvals and expected to close in Q3 2026 | https://www.investing.com/news/company-news/vat-h1-2026-slides-record-orders-meet-margin-pressure-in-ai-ramp-93CH-4805054, https://www.rttnews.com/3669052/vat-group-agrees-to-acquire-atonarp-for-chf-110-mln.aspx, https://www.vatgroup.com/files/live/sites/vat/files/Investor%20relations/half-year-report/2026/vat-media-release-acquisition-atonarp.pdf, https://www.vatgroup.com/news/vat-media-release-on-acquisition-of-atonarp |

Independent sources: investing.com, nedo.go.jp, rttnews.com, startupintros.com, vatgroup.com

## Technologies

- [Biosensors & continuous monitoring](https://en.bioecon.ru/technology/biosensors-continuous-monitoring/)