The largest public pension in the U.S. by assets just made major changes in its investment portfolio.

The California Public Employees’ Retirement System bought more Apple (ticker: AAPL), Tesla (TSLA), and Walt Disney (DIS) stock, and sold about a fifth of its stake in Walmart (WMT) in the fourth quarter. Calpers disclosed the stock trades, among others, in a form it filed with the Securities and Exchange Commission.

Source: finance.yahoo.com