Hedge funder asks $44M for Jackie O’s one-time pad

David Ganek selling co-op at 740 Park, buying penthouse in Puck Building

740 Park Avenue (Inset: David Ganek)
740 Park Avenue (Inset: David Ganek)

Less than a week after entering contract to buy a penthouse at Jared Kushner’s Puck building, hedge funder David Ganek listed his duplex at 740 Park Avenue for $44 million.

The four-bedroom co-op unit features a library, four fireplaces, two offices and two dressing rooms. Jacqueline Kennedy Onassis — then Jacqueline Bouvier — resided in the unit until she was 7 years old.

Serena Boardman, Robin Stein and Jeremy Stein of Sotheby’s International Realty has the listing.

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David Ganek, of advisory firm Level Global Investors, and his novelist wife Danielle, are set to buy a three-bedroom Puck condo for $28 million, as previously reported. [Curbed]Mark Maurer