BillionToOne, Inc. (BLLN)
NASDAQ: BLLN · Real-Time Price · USD
85.94
-1.65 (-1.88%)
At close: Jan 9, 2026, 4:00 PM EST
87.65
+1.71 (1.99%)
After-hours: Jan 9, 2026, 6:47 PM EST

Company Description

BillionToOne, Inc., a precision diagnostics company, quantifies biology to create molecular diagnostics.

The company provides molecular counting platform, which is designed to detect and measure DNA molecules at the single-count level to help enhance disease detection.

It offers UNITY Complete, a non-invasive prenatal screen that assesses fetal risk for aneuploidies, recessive conditions, and fetal antigens from a maternal blood draw; Northstar Select, a liquid biopsy test that provides a list of mutations that are present in the tumor and types of mutations detected that include deletions, insertions, and point mutations; and Northstar Response, a test that provides longitudinal determination of cancer burden through methylation assessment.

The company was incorporated in 2016 and is headquartered in Menlo Park, California.

BillionToOne, Inc.
BillionToOne logo
CountryUnited States
Founded2016
IPO DateNov 6, 2025
IndustryDiagnostics & Research
SectorHealthcare
Employees620
CEOOguzhan Atay

Contact Details

Address:
1035 O’Brien Drive
Menlo Park, California 94025
United States
Phone(650) 460-2551
Websitebilliontoone.com

Stock Details

Ticker SymbolBLLN
ExchangeNASDAQ
Stock TypeCommon Stock
Share ClassClass A Shares
Fiscal YearJanuary - December
Reporting CurrencyUSD
IPO Price$60.00
CIK Code2070849
CUSIP Number090168105
ISIN NumberUS0901681058
Employer ID81-1082020
SIC Code8071

Key Executives

NamePosition
Dr. Oguzhan Atay Ph.D.Co-Founder, Chairman and Chief Executive Officer
Dr. David Tsao Ph.D.Co-Founder, President, Chief Technology Officer and Director
Ross Taylor Jr., M.B.A.Chief Financial Officer
Nancy JohnsonSenior Vice President of Sales and Commercial Operations
Jean HaydenVice President of Business Operations and Chief of Staff
John D. Lister J.D.Chief Administrative Officer
Thomas P. Lynch J.D.Chief Compliance Officer, General Counsel and Secretary
Jaclyn EngVice President of Marketing
Vaghar HaghiriSenior Director of People Operations
Shan Riku Sakakibara M.B.A.Chief Product Officer

Latest SEC Filings

DateTypeTitle
Dec 10, 202510-QQuarterly Report
Dec 9, 20258-KCurrent Report
Nov 10, 20258-KCurrent Report
Nov 6, 2025424B4Prospectus
Nov 6, 2025S-8Securities to be offered to employees in employee benefit plans
Nov 5, 2025CERTCertification by an exchange approving securities for listing
Nov 3, 20258-A12BRegistration of securities
Oct 17, 2025S-1/A[Amend] General form for registration of securities under the Securities Act of 1933
Oct 7, 2025S-1General form for registration of securities under the Securities Act of 1933
Sep 17, 2025DRS/A[Amend] [Cover] Draft Registration Statement