Saildrone builds autonomous wind- and solar-powered ocean drones that collect maritime, oceanographic, and security data. It sells mission-based data services for research, defense, and environmental monitoring.
Access to pre-IPO shares is available to accredited investors through UpMarket.
Saildrone shares are not on public exchanges. UpMarket provides accredited investors access through secondary market transactions.
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Pre-IPO investments are illiquid, speculative, and involve risk of total loss of capital.
| Date | Round | PPS (split-adj.) | Valuation |
|---|---|---|---|
| Sep 2024 | Series C | ||
| Feb 2022 | Series B |
Sacra estimates Saildrone generated $43M in FY24 revenue, up 231% year over year. The company sells mission-as-a-service data collection, with customers paying for operational time rather than buying vehicles.
Saildrone says it has more than 12 years of operations, over 2 million nautical miles sailed, and 60,000 days at sea. Its vessels can run autonomously for up to a year in harsh environments, including hurricanes and Antarctic waters.
Saildrone announced a $100M Series C to accelerate production and scale go-to-market functions. The company said the funding targets rapidly growing demand for comprehensive ocean data across research and security use cases.
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No. As of March 2026, Saildrone is a private company and does not trade on any public stock exchange. Accredited investors can access Saildrone shares through UpMarket, a FINRA-registered broker-dealer that specializes in pre-IPO investments.
Saildrone does not have a public stock price because it is privately held. The most recent known share price comes from its last funding round. Pre-IPO share prices on the secondary market may differ from the last round price depending on supply, demand, and market conditions.
Yes. Accredited investors can indicate interest in Saildrone shares through UpMarket by filling out the form on this page or creating an account at upmarket.co. All pre-IPO offerings are subject to availability and require a $50,000 minimum investment. UpMarket is a FINRA-registered broker-dealer and has brokered more than $500M in alternative investments since 2019.
Pre-IPO investments carry significant risks. Saildrone shares are illiquid, meaning there is no public market to sell them quickly. There is no guaranteed exit timeline or return. The investment is speculative in nature, and investors should be prepared for the possibility of total loss. Valuations of private companies can fluctuate substantially between funding rounds. Investors should consult their financial advisor and review all offering documents before investing.
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.
There are two primary exit paths for pre-IPO holdings: selling your shares on the secondary market to another buyer, or holding until the company completes an IPO or is acquired. Both paths are subject to transfer restrictions, company approval (right of first refusal), and market conditions. The timing of any exit is unpredictable, and investors should plan for a multi-year holding period.
The minimum investment for most pre-IPO offerings on UpMarket is $50,000. This amount may vary depending on the specific offering and share availability. There are no fees to create an UpMarket account or browse available investments. Investors only pay transaction-related fees when they complete an investment.
UpMarket's valuation estimate of is derived from a proprietary model that incorporates multiple data sources: funding round data (Caplight), revenue estimates (Sacra), secondary market pricing, and public company comparables. The model applies a private company discount to the public comp multiple to account for illiquidity and information asymmetry. This estimate is not investment advice and may differ substantially from the price at which shares actually trade.
Saildrone builds wind- and solar-powered autonomous ocean drones that sell maritime, oceanographic, and security data services, with FY24 revenue reaching $43M, up 231% year over year — accredited investors can access Saildrone stock through UpMarket.