01:11 PM EST, 11/06/2025 (MT Newswires) -- BillionToOne ( BLLN ) shares surged 83% to $110 in their Nasdaq debut on Thursday after the molecular diagnostics company raised $273.1 million in an initial public offering.

The upsized offering of 4.55 million Class A shares was priced at $60 apiece. Underwriters have a 30-day option to purchase up to 682,665 additional shares. The IPO is expected to close Friday.

The stock opened at $100 on Thursday and reached $120.

Price: 110.00, Change: +50.00, Percent Change: +83.33