Quanterix, a digital immunoassay developer spun out of Tufts University, has raised $64.1m in its initial public offering.

Quanterix, a US-based biomarker analysis technology developer spun out of Tufts University, will raise $64.1m when it floats on the Nasdaq Global Market today.
The company priced the initial public offering at $15, in the middle of its $14 to $16 range, but increased the number of shares from 3.34 million to almost 4.28 million. The IPO values Quanterix at approximately $318m.
Founded in 2007, Quanterix is working on a digital immunoassay product called Simoa that will…