Quantum-Si Inc. reported revenue of $0.6 million for the third quarter of 2025, with a gross profit of $0.2 million and a gross margin of 35%. For the nine months ended September 30, 2025, revenue was $2.0 million, gross profit was $1.0 million, and gross margin was 52%. The company held $230.5 million in cash, cash equivalents, and marketable securities as of September 30, 2025, which is expected to fund operations into the second quarter of 2028. Key business developments included successful sequencing runs on a prototype Proteus system, continued progress in its development program, early success with an instrument placement program targeting academic customers, and the recent launch of version 4 of its Sequencing Kit.