10 Largest IPO Valuations in History

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7. Enel S.p.A (1999): $16.5 billion

The Italian multinational energy company manufactures and distributes electricity and gas in Europe and Latin America. The energy group raised $16.5 billion in a 1999 IPO and was listed on the New York Stock Exchange and in Europe. However, the stock was delisted from the NYSE in 2007 owing to low trading volumes.

10 Largest IPO Valuations In History

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