 Sei Investments Co. grew its stake in shares of LivePerson, Inc. NASDAQ:LPSN by 2.4 in the second quarter, Holdings Channel.com reports. The fund owned 83,951 shares of the technology companys stock after buying an additional 1,997 shares during the quarter. Sei Investments Co.s holdings in LivePerson were worth 3,441,000 at the end of the most ... 