NEW YORK (GenomeWeb) – Quanterix said today that it has closed its initial public offering, selling more than 4.9 million shares of common stock at $15 per share, raising $73.7 million in gross proceeds. Its shares now trade on the Nasdaq under ticker symbol QTRX.

In early afternoon trading, the company's stock was up about 5 percent at $19.08 per share.

JP Morgan Securities, Leerink Partners, and Cowen were joint book-running managers for the offering, while BTIG and Evercore Group were comanagers.