MOSTLY.AI Stock: Acquisition and Valuation History
AI / Machine Learning
By UpMarket Research | Last updated: July 2026
Founded 2017HQ Vienna, Austria
MOSTLY AI is a synthetic data company that builds privacy-safe data products for analytics, testing, and AI model training. Its platform generates artificial datasets that preserve statistical patterns while avoiding direct exposure of personal information.
UpMarket does not offer MOSTLY.AI shares. This page covers MOSTLY.AI's history before the acquisition.
How to Review MOSTLY.AI's Funding History on UpMarket
MOSTLY.AI was acquired by Syntho in June 2026 and no longer has shares of its own. UpMarket does not offer MOSTLY.AI shares. This page covers MOSTLY.AI's valuation and funding history before the acquisition.
Step 01
Check the acquisition details
MOSTLY.AI was acquired by Syntho in June 2026.
Step 02
Review the valuation history
See how MOSTLY.AI's private-market valuation changed across funding rounds before the acquisition.
Step 03
Review funding and revenue data
See reported funding rounds and revenue figures on this page, with their sources.
Step 04
Explore private companies
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Why Investors Are Watching MOSTLY.AI
Growth Signal
MOSTLY.AI rides record 2024 private AI investment surge
Stanford HAI says global private AI investment rose 26% in 2024, while corporate AI investment reached $252.3 billion. That capital backdrop supports faster buying cycles for synthetic data and AI privacy tools like MOSTLY.AI.
Product Milestone
MOSTLY.AI targets privacy-safe synthetic data for enterprise AI
MOSTLY.AI sells synthetic data software aimed at helping companies share and train on data without exposing sensitive records. The product fits a market where AI adoption is rising but data-privacy constraints remain a major blocker.
Market Opportunity
Enterprise AI spend keeps expanding toward trillion-dollar scale
Built In cites a projected $1.81 trillion AI market, reflecting broad demand across software and infrastructure. That scale creates room for niche vendors serving regulated sectors that need compliant training data.
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No. MOSTLY.AI was acquired by Syntho in June 2026 and no longer has shares of its own. UpMarket does not offer MOSTLY.AI shares.
MOSTLY.AI has no stock price of its own since its acquisition by Syntho. The prices shown on this page are historical private-market prices from before the acquisition.
No. MOSTLY.AI was acquired by Syntho and UpMarket does not offer MOSTLY.AI shares. Accredited investors interested in companies that have not yet gone public can review UpMarket's current pre-IPO offerings.
MOSTLY.AI is no longer an independent company, so its shares are not available to buy. This page is kept for its historical funding and valuation data. UpMarket does not offer MOSTLY.AI shares.
In a pre-IPO transaction, accredited investors purchase shares from existing shareholders (such as employees, early investors, or other holders) through secondary market platforms. The company itself does not issue new shares in these transactions. UpMarket facilitates these trades as a FINRA-registered broker-dealer, handling compliance, documentation, and settlement on behalf of both parties.
MOSTLY.AI was acquired by Syntho in June 2026. What former shareholders received, cash or shares of the buyer, was set by the terms of the acquisition.
UpMarket does not offer MOSTLY.AI shares. The minimum for most pre-IPO offerings on UpMarket is $50,000.
MOSTLY.AI's last valuation was set by its acquisition by Syntho. The figures on this page show its valuation history before the acquisition.
MOSTLY.AI builds synthetic data products for analytics, testing, and AI model training, and the company is positioned to benefit from the 2024 surge in private AI investment. MOSTLY.AI is now part of Syntho, and UpMarket does not offer its shares.