Submission |
Oct. 16, 2025 |
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| Submission [Line Items] | |
| Central Index Key | 0002070849 |
| Registrant Name | BillionToOne, Inc. |
| Registration File Number | 333-290761 |
| Form Type | S-1 |
| Submission Type | S-1/A |
| Fee Exhibit Type | EX-FILING FEES |
| Offering Table N/A | |
| Offset Table N/A | N/A |
| Combined Prospectus Table N/A | N/A |
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- Definition The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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