This is how you can invest like the world's second-wealthiest person.

The recent surge in the share price of Oracle ( ORCL -1.26% ) briefly made CEO Larry Ellison the world's richest human, exceeding the vast fortune of Tesla ( TSLA -1.16% ) CEO Elson Musk.

The price of Oracle stock has since retreated a bit, putting Ellison back in second place. But it's worth asking: Where does Ellison have his roughly $384 billion of net worth invested?

As you can imagine, a person that wealthy would own many assets. And Ellison, now 81, certainly does. They range from planes, yachts and a sailing team to real estate and houses spread around the world. He also owns 98% of Lana'i, the sixth-largest Hawaiian island.

But the bulk of Ellison's fortune is in three publicly traded compa

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