BillionToOne, Inc. went public at $60.00 a share
It sold 4,551,100 shares on Nasdaq Global Select Market under the ticker BLLN and raised $273.1 million before costs.
Final prospectus (424B4) filed November 6, 2025
The terms
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Offered
4,551,100 shares
Checked
Source
“We are offering 4,551,100 shares of our Class A common stock to be sold in this offering.”
A model read this, and code confirmed the quote appears in the filing. -
Price per share
$60.00
Checked
Source
“The initial public offering price is $60.00 per share.”
A model read this, and code confirmed the quote appears in the filing. -
Raised
$273,066,000before fees and costs
Checked
Source and check
Shares × price = 4,551,100 × $60.00 = $273,066,000. They match.
“Initial public offering price | $60.00 | $273,066,000”
A model read this, and code confirmed the quote appears in the filing. -
Bank fee
$19,114,620$4.20 a share, 7.0% of the raise
Checked
Source
“Underwriting discounts and commissions(1) | $4.20 | $19,114,620”
A model read this, and code confirmed the quote appears in the filing. -
Company receives first
$253,951,380before other costs
Checked
Source and check
Raised − bank fee = $273,066,000 − $19,114,620 = $253,951,380. They match.
“Proceeds to BillionToOne, Inc., before expenses | $55.80 | $253,951,380”
A model read this, and code confirmed the quote appears in the filing. -
Lead banks
J.P. Morgan, Piper Sandler, Jefferies, William Blair
From the prospectus
Source
“J.P. Morgan | Piper Sandler | Jefferies | William Blair”
A model read this, and code confirmed the quote appears in the filing. -
Trades as
BLLN on Nasdaq Global Select Market
Checked
Source
“Our Class A common stock has been approved for listing on the Nasdaq Global Select Market under the symbol “BLLN.””
A model read this, and code confirmed the quote appears in the filing. -
Extra for the banks
Up to 682,665 sharesan option the banks may use
From the prospectus
Source
“We have granted the underwriters an option for a period of 30 days to purchase up to 682,665 additional shares of Class A common stock.”
A model read this, and code confirmed the quote appears in the filing. - Final prospectus filed November 6, 2025
Not investment advice.Open the filing on SEC.gov
Where the money goes first
The banks take their fee before the company sees the money.
Where BillionToOne, Inc. sits among the last 12 months
Each bubble is one IPO. Bigger and higher means more money raised. The scale grows by ten times at each line.
New to these terms? How to read an IPO.