0002070849-26-000042
SEC filingBillionToOne entered a 12-year lease for 62,659 sq ft of lab space to expand oncology capacity, with $46.7M base rent and $12.5M tenant improvement allowance.
On June 23, 2026, BillionToOne, Inc. entered into a lease with Whipple Road Portfolio, LLC for approximately 62,659 square feet of office and laboratory space at 3260 Whipple Road, Union City, California. The new facility is designed to support anticipated growth in test volumes, particularly for the company's oncology products, as total test volumes have exceeded plan over the past year. Once completed, the oncology-dedicated laboratory space will more than triple, and the company's total facility space will expand by approximately 16%. The lease has an initial term of 12 years, with an option to extend for an additional 10 years at market rate. Aggregate base rent over the term is approximately $46.7 million, with a 12-month rent abatement and a tenant improvement allowance of up to $12.5 million. A security deposit of $407,910 is due upon signing. The lease is expected to commence around August 1, 2027, after substantial completion of tenant improvements. The significant financial commitment reflects management's confidence in continued growth and the strategic importance of expanding oncology laboratory capacity.