Hg Capital, a private equity firm, agreed to acquire a majority stake in Bowmark Capital-backed Pirum Systems, a provider of post-trade market infrastructure technology for the global securities finance industry. Financial terms were not disclosed. “This is a significant milestone in our journey, and is welcome news for everyone at Pirum. Together with Bowmark, Hg will actively support Pirum’s global expansion and investment in additional innovations, helping us to deliver further efficiency and productivity gains for our customers and the broader industry eco-system.”Philip Morgan, Pirum CEO.