The investment arm of one of the world’s biggest insurers just made major changes in its U.S.-traded investments.

MEAG Munich Ergo initiated a stake in iPhone maker


Apple


(ticker: AAPL), and bought more shares of chip maker


Nvidia


(NVDA), specialty-glass maker


Corning


(GLW), and vaccine maker


Pfizer


(PFE) in the second quarter. MEAG, which handles all the investment activities for Munich Re, disclosed the stock trades, among others, in a form it filed with the Securities and Exchange Commission.