(Bloomberg) -- R1 RCM Inc.’s biggest shareholder has discussed taking the health-care technology firm private. 

New Mountain Capital LLC, which holds 32.4% of R1, informed the company it’s been considering options including a potential cash offer of $13.75 per share for the stock it doesn’t already own, according to a filing on Monday.

New Mountain has in recent weeks discussed the possible bid with fellow R1 investor TCP-ASC, an investment vehicle jointly owned by TowerBrook Capital Partners and Ascension Health Alliance. TowerBrook owns 29.6% of R1, Bloomberg-compiled data show.

In its filing, New Mountain said it’s in the best interests of R1 to speed up a process to consider strategic options, including a possible take private. New Mountain’s offer isn’t dependent on TCP-ASC participating and it could pursue a deal independently.

Shares in R1 rose as much as 31% on Monday. The stock was trading at $14.25 at 1.11 p.m. in New York, giving the company a market value of almost $6 billion. Discussions are ongoing and there’s no certainty they’ll result in any transaction, according to the filing with the US Securities and Exchange Commission.

R1 is a so-called revenue cycle management company, which helps health-care providers get paid for the services they offer. It generated 50% of its revenue from Ascension, one of the biggest private health-care systems in the US, and Intermountain Healthcare, in the nine months through September, according to a regulatory filing.

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