BillionToOne completed their IPO on November 5, 2025 to list on NASDAQ with ticker BLLN. They raised $273MM. Forge no longer actively tracks this company.
BillionToOne is a molecular counter platform designed to accurately count DNA molecules to the single-count level. With a mission to detect disorders such as cystic fibrosis and sickle-cell disease, the company optimizes the signal-to-noise ratio through blood testing. The platform specializes in both prenatal and oncology divisions. BillionToOne was founded by David Tsao, Oguzhan Atay, and Sukrit Silas in 2016 and is headquartered in San Francisco, CA.
You may invest in BillionToOne as it is a public company listed on the NASDAQ with ticker BLLN. But if you are an accredited investor interested in buying pre-IPO shares of a private company, you can learn more about how to invest in the private market or register today to get started.
Can you sell shares of BillionToOne before it goes public?
You can no longer sell shares of BillionToOne on Forge as this company is no longer private. However, if you own shares of a private company, Forge may be able to help you sell them in a way that works for you and the company. Learn more or register with us today to get started.
What is the pre-IPO value of my BillionToOne shares?
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Is BillionToOne a publicly traded company?
BillionToOne became a public company following its IPO on 11/05/2025 and is now traded on the NASDAQ under the ticker BLLN.
To learn more about BillionToOne potential IPO
Will BillionToOne go IPO?
BillionToOne became a public company following its IPO on 11/05/2025 and is now traded on the NASDAQ under the ticker BLLN.
What is BillionToOne’s IPO price?
The IPO price of BillionToOne is not currently available.
When was BillionToOne founded?
BillionToOne was founded in 2016.
What is BillionToOne funding to date?
BillionToOne has raised $396.39MM to date.
BillionToOne major investors
500 Global
Adams Street Partners
Brightway Future Capital
Civilization Ventures
Fifty Years
Four Rivers Group
Hemisphere Ventures
Hof Capital
Hummingbird Ventures
Lombardstreet Ventures
Metaplanet Holdings
Neotribe Ventures
Neuberger Berman
Newdo Venture
Northwest Venture Partners
Nyx Ventures Partners
Premji Invest
Qb3
Start Capital
Time Bioventures
U.S. Department Of Health & Human Services
Uphonest Capital
Y Combinator
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BillionToOne pre-IPO valuation and funding rounds
Funding history chart
Funding round and deals details
Funding Date
Round
Amount Raised
Price per Share
Post-Money Valuation 3
Key Investors
06/21/2024
Series D
$130.47MM
$28.02
$1.25B
Adams Street Partners, Baillie Gifford, Civilization Ventures, Fifty Years, Hummingbird Ventures, Libertus Capital, Neuberger Berman, Premji Invest
Price per Share
$ xx.xx
Shares Outstanding
4,656,233
Liquidation Pref Order
1
Liquidation Pref As Multiplier
1.2x
Conversion Ratio
1.2x
Dividend Rate
0.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Adams Street Partners, Baillie Gifford, Civilization Ventures, Fifty Years, Hummingbird Ventures, Libertus Capital, Neuberger Berman, Premji Invest
12/15/2022
Series C-1
$33.87MM
$19.61
$813.63MM
Adams Street Partners, Baillie Gifford, Fifty Years, Hummingbird Ventures, Libertus Capital, Neotribe Ventures, Norwest Venture Partners, Time Bioventures
Price per Share
$ xx.xx
Shares Outstanding
1,726,823
Liquidation Pref Order
2
Liquidation Pref As Multiplier
1.0x
Conversion Ratio
1.0x
Dividend Rate
0.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Adams Street Partners, Baillie Gifford, Fifty Years, Hummingbird Ventures, Libertus Capital, Neotribe Ventures, Norwest Venture Partners, Time Bioventures
03/30/2022
Series C
$143.5MM
$25.49
$973.82MM
Adams Street Partners, Baillie Gifford, Civilization Ventures, Fifty Years, Hummingbird Ventures, Libertus Capital, Neotribe Ventures, Norwest Venture Partners, Pacific 8 Ventures, Time Bioventures
Price per Share
$ xx.xx
Shares Outstanding
5,628,825
Liquidation Pref Order
2
Liquidation Pref As Multiplier
1.0x
Conversion Ratio
1.0x
Dividend Rate
0.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Adams Street Partners, Baillie Gifford, Civilization Ventures, Fifty Years, Hummingbird Ventures, Libertus Capital, Neotribe Ventures, Norwest Venture Partners, Pacific 8 Ventures, Time Bioventures
07/12/2021
Series B-1
$55MM
$10.61
$341.88MM
Four Rivers Group, Hummingbird Ventures, Libertus Capital, Neotribe Ventures, Norwest Venture Partners, Y Combinator
Price per Share
$ xx.xx
Shares Outstanding
5,182,287
Liquidation Pref Order
2
Liquidation Pref As Multiplier
1.0x
Conversion Ratio
1.0x
Dividend Rate
0.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Four Rivers Group, Hummingbird Ventures, Libertus Capital, Neotribe Ventures, Norwest Venture Partners, Y Combinator
BillionToOne, a next-generation molecular diagnostics company, announced today that it has raised $130 million in an oversubscribed, upsized Series D round. The financing was led by Premji Invest, with significant participation by another incoming investor, Neuberger Berman, as well as by prominent existing investors, including Adam Street Partners, Baillie Gifford, Hummingbird Ventures, Civilization Ventures, Libertus Capital, and Fifty Years. The funding will be used for expanding and scaling BillionToOne’s prenatal and oncology businesses.
BillionToOne, Inc., a molecular diagnostics company, has secured an additional $48.5 million of funding from existing equity investors as well as upsized its Term Loan Facility with access to up to $35 million, with its existing lender, Bridge Bank.
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