GAMMA Investing LLC now owns 8,295,153 shares of the healthcare conglomerate's stock valued at $4,344,586,000 after purchasing an additional 8,280,404 shares in the last quarter. Bank of New York Mellon Corp grew its position in shares of UnitedHealth Group by 2.5% during the 1st quarter. Bank of New York Mellon Corp now owns 8,128,174 shares of the healthcare conglomerate's stock worth $4,257,131,000 after buying an additional 196,696 shares in the last quarter. Finally, Nuveen LLC bought a new stake in shares of UnitedHealth Group in the first quarter valued at about $3,846,764,000. Hedge funds and other institutional investors own 87.86% of the company's stock.