Brown Advisory Signs 15-Year Lease For 34,748 Square Feet At 520 Madison Avenue

520 Madison Avenue is an office asset located in Manhattan, featuring a total space of 34,748 square feet. This property is owned by Tishman Speyer, which makes it a significant location for corporate enterprises in the Midtown area.

Summary of transaction details:

• Property Type: Office
• Transaction Amount: Not specified
• Address: 520 Madison Avenue
• Market: Manhattan
• Lease Term: 15-year lease
• Landlord: Rob Speyer
• Landlord's Representative: Megan Sheehan & Sam Brodsky - Tishman Speyer
• Tenant: Brown Advisory
• Tenant's Representatives: Cynthia Wasserberger, Michael Berg, Bobby Blair & Sofia Bruno - JLL

Brown Advisory has signed a significant long-term lease for its new headquarters, moving from 12 East 49th Street. The relocation is planned for the fourth quarter of 2026, marking an important transition for the investment firm within Manhattan's competitive office market.