Key Takeaways
- • Castle Hook Partners has signed a 15-year lease for the entire 52nd and 53rd floors (penthouse) at 625 Madison Avenue, with options to extend for an additional 10 years, according to a memorandum of lease filed in New York City records.
- • Upper-floor rents at the 53-story development are being marketed at approximately $400 per square foot; specific financial terms of Castle Hook's deal have not been disclosed.
- • The lease represents a significant anchor tenant commitment for Related Companies' flagship office tower on Manhattan's Upper East Side, joining other major institutional tenants already committed to the property.
- • General Atlantic (152,000 square feet across five floors) and Veritas Capital (approximately 92,743 square feet) are also major tenants at 625 Madison Avenue, reflecting a growing concentration of investment firms at the development.
- • Castle Hook currently maintains headquarters at 767 Fifth Avenue (the General Motors Building); it remains unclear whether the new lease represents a relocation or an expansion of the firm's existing office footprint.
Summary
Hedge fund Castle Hook Partners has secured the penthouse office space at Related Companies' 625 Madison Avenue tower in Manhattan, anchoring its position as a premier office property on the Upper East Side. According to a memorandum of lease filed in New York City records, Castle Hook has committed to a 15-year lease covering the entire 52nd and 53rd floors of the 53-story development, with an additional 10-year extension option built into the agreement.
The tower's upper-floor rents are being marketed at approximately $400 per square foot, though the specific financial terms of Castle Hook's lease have not been publicly disclosed. The hedge fund currently lists its headquarters at 767 Fifth Avenue, the building commonly known as the General Motors Building, though it has not been clarified whether the new commitment represents a full relocation or an expansion of the firm's existing office footprint.
The Castle Hook lease adds to a rapidly consolidating investment management presence at 625 Madison Avenue. Global investment firm General Atlantic announced earlier in September that it would occupy 152,000 square feet across five floors at the development, positioning itself as a major anchor tenant. Private equity firm Veritas Capital has also committed to approximately 92,743 square feet at the property, according to Colliers' recent Manhattan office market report. This clustering of institutional investors and alternative asset managers underscores continued institutional demand for prime Manhattan office space among top-tier financial firms, despite ongoing shifts in office occupancy patterns post-pandemic.
The tower's upper-floor rents are being marketed at approximately $400 per square foot, though the specific financial terms of Castle Hook's lease have not been publicly disclosed. The hedge fund currently lists its headquarters at 767 Fifth Avenue, the building commonly known as the General Motors Building, though it has not been clarified whether the new commitment represents a full relocation or an expansion of the firm's existing office footprint.
The Castle Hook lease adds to a rapidly consolidating investment management presence at 625 Madison Avenue. Global investment firm General Atlantic announced earlier in September that it would occupy 152,000 square feet across five floors at the development, positioning itself as a major anchor tenant. Private equity firm Veritas Capital has also committed to approximately 92,743 square feet at the property, according to Colliers' recent Manhattan office market report. This clustering of institutional investors and alternative asset managers underscores continued institutional demand for prime Manhattan office space among top-tier financial firms, despite ongoing shifts in office occupancy patterns post-pandemic.
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