Oscars: Jack Nicholson, George Clooney and Sandra Bullock Among Wealthiest Winners (Study)

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Sandra Bullock

Research firm Wealth-X determined which past Academy Award recipients have the highest net worth.

Sandra Bullock may be poised to make at least $70 million from her Oscar-nominated role in Gravity, but she's already the youngest Oscar winner with a net worth of more than $150 million, according to research by high-net-worth firm Wealth-X.

Bullock is tied with Robin Williams in 10th place on Wealth-X's list of Oscar-winning actors with the highest net worth. They each have an estimated net worth of $150 million. She's also only the second woman on the firm's top 10 list. Barbra Streisand is tied with Robert De Niro for third place with $310 million each.

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The Oscar winner with the highest net worth is Jack Nicholson, who has $390 million and three Oscars to his name, most recently nabbing the best actor prize for his role in 1997's As Good as It Gets.

Sean Connery is the oldest Oscar winner on Wealth-X's top 10 list, with a net worth of $250 million. The other actors on Wealth-X's list are Tom Hanks ($350 million), George Clooney ($220 million), Michael Douglas ($200 million) and Anthony Hopkins ($160 million).

Wealth-X's list is based on its proprietary valuation model, which it used to assess all asset holdings, including privately and publicly held businesses and investible assets.

Check out Wealth-X's full list here.