The new fund, Warburg Pincus Private Equity XII, attracted many investors from outside the United States, especially among insurance companies and high-net-worth individuals. Existing and new investors participated in the fund. “Global growth investing, alignment of interests, proprietary deal sourcing, adding value to our portfolio companies — these elements have long been central to the success of our business model, and this fund’s oversubscription affirms our differentiated approach to private equity investing,” said Charles R. Kaye, co-chief executive of Warburg Pincus, in a statement Monday. In a year when leveraged buyouts have been relatively muted, private equity fund-raising has been...