Acquiring Company
Vaisala
Acquired Company
Atmo
Vantaa
San FranciscoEnergyInformation TechnologyArtificial IntelligenceDescription
Vaisala completed the acquisition of Atmo, Inc., a San Francisco AI weather forecasting company, on October 28, 2026, after announcing the deal on June 17, 2026. The fixed purchase price was USD 70 million, paid mainly at closing in cash and 120,185 Vaisala series A shares, plus a contingent earn-out of up to USD 60 million tied to 2026–2028 performance. Atmo joins the Xweather business area, and its 20 US-based professionals joined Vaisala at closing.
Who to call at Vaisala, and when
When Vaisala changes hands, the new owners review vendors, systems and leadership. That is when the door opens.
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Frequently asked
Who acquired Atmo?
Atmo was acquired by Vaisala, based in Vantaa. The deal was reported on October 28, 2026. Vaisala is a global leader in measurement instruments and intelligence for climate action. Vaisala is privately held and operates in Energy.
When did Vaisala acquire Atmo?
Vaisala's acquisition of Atmo was reported on October 28, 2026. Vaisala completed the acquisition of Atmo, Inc., a San Francisco AI weather forecasting company, on October 28, 2026, after announcing the deal on June 17, 2026. Fundz records the date the transaction was first publicly reported, sourced from filings and company announcements.
What does Atmo do?
Atmo is a leading AI meteorology company that provides ultra-precise weather forecasting solutions. It is privately held, operating in Information Technology, and is based in San Francisco.
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