Core Insights - The U.S. IPO market remains active despite government shutdown, with 6 traditional IPOs and 2 SPACs launched this week, alongside 13 companies filing for initial public offerings [1][12]. Group 1: IPO Activity - Alliance Laundry Holdings (ALH) raised $826 million, pricing at the upper limit of its range, achieving a market cap of $4.5 billion, and saw a 14% stock price increase [1]. - Phoenix Education Partners (PXED) raised $136 million, pricing at the midpoint of its range, with a market cap of $1.3 billion and a 13% stock price increase [1]. - Ping An Good Doctor (POM) raised $20 million, pricing at the lower limit of its range, with a market cap of $474 million and a 9% stock price increase [2]. - One and One Green Tech (YDDL) raised $10 million, pricing at the midpoint of its range, achieving a market cap of $27 million and a significant 31% stock price increase [2]. - Leifras (LFS) raised $5 million, pricing at the lower limit of its range, with a market cap of $10.5 million, but experienced a 5% stock price decline [2]. - Turn Therapeutics (TTRX) debuted via direct listing at $10, but saw a 26% decline in stock price [3]. Group 2: SPAC Activity - Two SPACs completed their listings: GigCapital8 (GIWWU) raised $220 million and Lake Superior Acquisition (LKSPU) raised $100 million, focusing on energy, social media, and consumer goods [4]. - Five SPACs filed for IPOs, including Xsolla SPAC 1 (XSOLU.RC) and Alussa Energy Acquisition II (ALUBU), both aiming to raise $250 million [8][10]. Group 3: Upcoming IPOs and Market Trends - 13 companies filed for IPOs, including BillionToOne (BLLN), Evommune (EVMN), and Central Bancompany (CBC), each planning to raise $100 million [6]. - The SEC issued new guidelines allowing companies to announce pricing ranges and set final pricing above the range, which may encourage more companies to proceed with listings amid the government shutdown [12].

Core Insights - BillionToOne, a molecular diagnostics company, has filed for an IPO to raise up to $100 million [1][2] - The company focuses on developing prenatal and oncology diagnostic technologies using its single-molecule next-generation sequencing (smNGS) platform [1] Company Overview - Founded in 2016 and headquartered in Menlo Park, California, BillionToOne reported revenue of $209 million for the 12 months ending June 30, 2025 [2] - The company plans to list on the NASDAQ under the ticker symbol "BLLN" [2] Product Development - In 2019, BillionToOne launched its first prenatal testing product, UNITY, which is the world's first non-invasive prenatal testing technology based on cell-free DNA [1] - In 2023, the company introduced two complementary liquid biopsy products: Northstar Select for treatment guidance and Northstar Response, which quantifies cancer burden at the single-molecule level without tissue biopsy [1]

Table of Contents As filed with the Securities and Exchange Commission on October 7, 2025. Registration Statement No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 BILLIONTOONE, INC. (Exact name of Registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) Delaware 8071 81-1082020 (Primary Standard Industrial Classification Code Number) 1035 O'Brien Drive Menlo Park, CA ...