Minnetronix Medical announced today that healthcare investment firm Altaris Capital Partners has acquired the majority share of the company.

Altaris, which actively manages $4.9 billion of equity capital, had been a minority investor in Minnetronix since 2015. The St. Paul, Minn.-based contract manufacturer declined to reveal the amount of the new investment.

“Throughout our relationship with Altaris, we have achieved many milestones as a company,” said Minnetronix CEO Jeremy Maniak in a news release. “Now, with our expanded partnership, we are excited to accelerate our strategy and move into the next stage of growth at Minnetronix.”

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