BillionToOne, Inc. Class A Common Stock

Day range

$106.29 – $111.45

Open

$108.00

Prev close

$107.77

Volume

228.86K

Market cap

$5.09B

Shares out

47.19M

P/E

169.16

P/S

12.80

P/B

9.47

P/FCF

215.40

ROE

5.6%

ROA

4.1%

Debt/Equity

0.17

Div yield

0.00%

As of Oct 23, 2026

• Lease agreementJun 29, 2026

  On June 23, 2026, BillionToOne, Inc. (the "Company") entered into a lease (the "Lease") with Whipple Road Portfolio, LLC (the "Landlord"), pursuant to which the Company will lease approximately 62,659 square feet of office and laboratory space at 3260 Whipple Road, Union City, CA 94587. The aggregate base rent payments due over the 12-year term of the Lease are approximately $46.7 million, with the Landlord providing an initial 12-month rent abatement period and a tenant improvement allowance of up to $12.5 million.

• Annual meeting resultsJun 16, 2026

  On June 10, 2026, the Company held its Annual Meeting of Stockholders (the "Annual Meeting"). At the Annual Meeting, the Company's stockholders voted on two proposals... Proposal 1: The election of two directors to serve as Class I directors until the 2029 annual meeting of stockholders and until their respective successors are duly elected and qualified: Oguzhan Atay 76,387,783 For votes; Akshay Rai 76,297,791 For votes.

• Executive compensation changeMar 4, 2026

  On March 4, 2026, the Board of Directors (the "Board") of BillionToOne, Inc. (the "Company"), based upon the recommendation of the Compensation Committee of the Board (the "Compensation Committee"), approved and adopted the BillionToOne Annual Incentive Plan (the "Bonus Plan") to be effective for performance periods beginning January 1, 2026. The Bonus Plan is intended to attract, retain and motivate top performing employees, and reward exceptional individual performance.

• Guidance issuance or updateJan 12, 2026

  On January 12, 2026, BillionToOne, Inc. (the "Company") issued a press release reiterating its guidance for the full year ended December 31, 2025, and initiating its full year 2026 guidance.

• Director appointmentDec 9, 2025

  On December 8, 2025, the board of directors (the "Board") of the Company increased the size of the Board and the audit committee of the Board (the "Audit Committee") by one member and appointed Anthony Pagano to the Board and Audit Committee, effective January 1, 2026. Mr. Pagano was appointed as a Class III director and will serve until the Company's 2028 annual meeting of stockholders and until his successor is elected and qualified, or sooner in the event of his death, resignation or removal. Mr. Pagano was also appointed as chairperson of the Audit Committee, to succeed Thomas Bremner, who will remain a member of the Audit Committee.

Days to cover

3.9

Short interest

2.82M

Avg volume

725.77K

As of Sep 30, 2026 · reported to FINRA twice monthly.

• BillionToOne's Co-Founder Sells 10,000 Shares for $1 Million
  neutralThe Motley Fool· Aug 28, 2026
• BillionToOne Announces Closing of Upsized Initial Public Offering and Full Exercise of Underwriters' Option to Purchase Additional Shares
  positiveBenzinga· Nov 7, 2025