Mori Building Company Purchases 49% Stake In 346 Madison Avenue From Marc Holliday For $175M

346 Madison Avenue is an office asset located in Manhattan. The property has a valuation of $175 million and is set to have a significant development with a joint venture to build a 46-story office tower comprising 850,000 square feet.

Summary of transaction details:

• Property Type: Office
• Transaction Amount: $175,000,000
• Stake: 49%
• Buyer: Mori Building Company
• Seller: Marc Holliday - SL Green
• Date of Transaction: 05/27/2026
• Market: Manhattan

Marc Holliday represented SL Green in the transaction, and the partnership with Mori Building Company aims to enhance the property near Grand Central Terminal through the planned development.