Martin Zweig’s ex-wife sells UES co-op for $21.5M

Investment guru also owned the most expensive pad in NYC

625 Park Avenue and Martin Zweig
625 Park Avenue and Martin Zweig

Mollie Zweig, the former wife of late author and hedge fund manager Martin Zweig, has unloaded her duplex co-op at 625 Park Avenue for $21.5 million.

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The eighth- and ninth-floor unit sold to an undisclosed buyer, SSRE LLC, in an off-market deal. The only unsold co-op in the 13-story building, near East 65th Street, is a three-bedroom asking $19.75 million.

In addition to the sale by the hedge fund boss’ ex, his widow — Barbara Digan Zweig — downgraded in August from the triplex penthouse atop the Pierre hotel to a more modest $12 million apartment elsewhere in the building. Martin Zweig’s estate put the penthouse on the market last year for $125 million after his death in March — making it the most expensive apartment listing in New York City history. [NYO]Mark Maurer