Madison Avenue north of 42nd Street is enjoying a deals-and-development frenzy of a kind it hasn’t seen in decades.

The latest example is a large, unannounced renewal and expansion by hedge fund and money manager Guggenheim at 330 Madison.

The building is owned by Munich Re, the world’s largest reinsurance company, and managed by its MEAG asset-management arm.

Guggenheim renewed its lease at 330 Madison for 17 years and grew to 360,000 square feet from 240,000 square feet. JHVEPhoto – stock.adobe.com

Guggenheim renewed its lease for 17 years and impressively grew to 360,000 square feet from 240,000 square feet.

The 850,000 square-foot tower between East 42nd and East 43rd streets is now 100% leased.

Asking rents range from the low $90s per square foot in the base to over $100 on

See Full Page