Broadband software provider Casa Systems, backed by Liberty Global Ventures, has gone public in a downgraded initial public offering.

Casa Systems, a US-based broadband software provider that counts telecommunications and cable service provider Liberty Global as an investor, has raised $78m in its initial public offering.

The company issued 6 million shares priced at $13.00 each on the Nasdaq Global Select Market. It floated below the IPO’s $15 to $17 range, despite the number of shares being cut from 8.4 million.

Founded in 2013, Casa produces software that helps cable, wireless and wireline broadband suppliers increase their bandwidth…