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Caresyntax Gets BlackRock Investment in Upsized Funding Round

  • Digital platform for surgery adds to $100 million round
  • ProAssurance, Harmonix, Relyens Group also join fundraising
Photographer: Jeenah Moon/Bloomberg

Caresyntax, a digital platform aimed at reducing deaths from surgery-related complications, has added $30 million to an earlier funding round from investors including accounts and funds managed by BlackRock Inc., as well as specialty insurer ProAssurance Corp.

The new capital is an extension of the company’s Series C fundraising in April, bringing the total in the round to $130 million after the first stage was oversubscribed, according to Caresyntax Chief Executive Officer Dennis Kogan. The Boston-based company didn’t disclose its valuation.