BillionToOne IPO
NASDAQ: BLLN
BillionToOne completed their IPO on November 6, 2025. Now that BillionToOne is a public company, Nasdaq Private Market does not actively track its performance. The data below is for reference before the company’s IPO.
BillionToOne is a next-generation molecular diagnostics company focused on enhancing disease detection and quantification through its proprietary Quantitative Counting Technology (QCT), which enables precise analysis of DNA molecules at the single base-pair level for applications in prenatal screening and oncology.
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Buy + SellBillionToOne Funding Pre-IPO
Gain insights into BillionToOne funding history prior to their IPO, including the funding round, time period, and amount raised.
Sign Up to Unlock the Data| Financing Round | Date | Amount | Price per share* | Valuation* |
|---|---|---|---|---|
| Series C | Sep 19, 2022 | 30.00M | ||
| Series C | Mar 30, 2022 | 125.00M | ||
| Series B | Jun 14, 2021 | 16.02M | ||
| Series B | Jun 14, 2021 | 55.00M | ||
| Series A | Mar 13, 2019 | 15.00M | ||
| Series A | Mar 13, 2019 | 902.43K | ||
| Series A | Mar 13, 2019 | 50.00K | ||
| Series A | Mar 13, 2019 | 910.00K | ||
| Series A | Mar 13, 2019 | 100.00K | ||
| Series A | Mar 13, 2019 | 537.57K |
See BillionToOne Valuations + Financials
*Sample data + company shown for illustrative purposes only
Gain insights Into BillionToOne Stock Valuation + Share Prices
View real-time Tape D® data on BillionToOne stock including most recent valuation and historical share price information.
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BillionToOne Management Team - Prior to IPO
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Chief Medical Officer
Gary Palmer
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Chief Product Officer
Shan Riku
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Co-Founder, CEO
Oguzhan Atay
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CFO
Ross Taylor
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Co-Founder, CTO
David Tsao
BillionToOne Major Investors - Prior to IPO
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Norwest Venture Partners
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Baillie Gifford
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Libertus Capital
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Y Combinator
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Pacific 8 Ventures
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Time BioVentures
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Fifty Years
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HOF Capital
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Four Rivers Group
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Adams Street Partners
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Hummingbird Ventures
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Civilization Ventures
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500 Startups
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NeoTribe Ventures
Learn More About BillionToOne Stock
Buy BillionToOne Stock
01BillionToOne became publicly traded following its IPO on November 6, 2025, its shares now trade on public stock exchanges under the ticker symbol NASDAQ: BLLN. Before the IPO, BillionToOne stock was privately held and available only through private market transactions.
If you’re an accredited investor looking to purchase pre-IPO shares in a private company, Nasdaq Private Market can help you get started. Learn more about investing in the private market or sign up for free to explore available opportunities. Learn more about how private company shares trade prior to an IPO on our investors page.
Sell BillionToOne Stock
02Following its IPO on November 6, 2025, BillionToOne shares trade on public stock exchanges, allowing shareholders to sell stock through a traditional brokerage.
If you currently hold shares in a private company, Nasdaq Private Market may be able to help you explore your sell private company stock. Our platform provides a secure and compliant way to sell your shares on terms that work for both you and the company. To understand how employees sell shares before a company goes public, visit the Employee Shareholders page.
BillionToOne Stock Price
03Following the IPO, BillionToOne stock prices can now be viewed publicly on major exchanges. Investors and interested parties can find the current stock price by searching BillionToOne’s ticker symbol on financial platforms such as Nasdaq.com or through their preferred brokerage platform.
BillionToOne Stock Ticker Symbol
04Following its IPO on November 6, 2025, BillionToOne stock now trades on public markets under the ticker symbol NASDAQ: BLLN. You can view real-time stock information through widely used financial data platforms.
Criteria to Sell BillionToOne Stock
05Following the BillionToOne IPO, public shares can be sold through any brokerage.
Nasdaq Private Market works with employees, ex-employees, and other private company shareholders of pre-IPO companies to sell their shares. The Nasdaq Private Market platform provides a secure and compliant way to sell your shares on terms that work for both you and the company. To learn more about how to sell private company stock, visit the Employee Shareholders page.
Read more about how to sell shares of a private company and eligibility for selling privately held stock:
Criteria to Buy or Invest in BillionToOne Stock
06Following BillionToOne’s initial public offering on November 6, 2025, its shares are now listed on a public exchange and available for purchase through a brokerage account. Investors interested in buying BillionToOne stock can do so through their preferred broker, just as they would with any other publicly traded security.
Nasdaq Private Market continues to work with investors seeking exposure to private company opportunities prior to IPO. Through structured transactions and curated offerings, investors can participate in private market activity before companies enter the public markets.
Learn more about the Nasdaq Private Market tool kit for investors on the Investor Trading page.
BillionToOne Stock Settlement
07Since BillionToOne is now publicly traded, public-market share transfers and settlement occur automatically through a brokerage or exchange.
Nasdaq Private Market supports transfer and settlement for privately held company equity. In order to buy or sell private company stock, share ownership must transfer before funds are wired. With Nasdaq Private Market, clients leverage our patented Transfer and Settlement technology which streamlines and manages transfer activity from match to settlement.
To learn more about private company stock Transfer and Settlement, check out the Transfer and Settlement page.
BillionToOne IPO
08BillionToOne completed its IPO on November 6, 2025, and is now publicly available through major financial sources.
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