Key Takeaways
- • Castle Hook Partners signed a lease for the 53,000-square-foot penthouse at 625 Madison Avenue at a record-breaking rate of $350–$400 per square foot, surpassing the previous Manhattan office record of $327.50 per square foot set at 9 West 57th Street earlier in 2026.
- • The hedge fund, led by David Rogers and managing $11 billion in assets, will pay up to $21.2 million annually in rent for space that will not be available until late 2029, when the building reaches completion.
- • 625 Madison's anchor tenants include General Atlantic (150,000 square feet) and Veritas Capital (93,000 square feet), signaling robust institutional demand for premium Manhattan office space despite ongoing market uncertainty.
- • Related Companies acquired the 625 Madison site from SL Green for over $600 million in December 2023 and pivoted from its original mixed-use concept to focus exclusively on high-end office space, capitalizing on scarcity and tenant competition.
- • Saudi Arabia's Public Investment Fund holds a two-thirds equity stake in the development, having committed approximately $200 million to the project, anchoring a $1 trillion sovereign wealth fund's commitment to premium Manhattan real estate.
Summary
Castle Hook Partners, a hedge fund managing $11 billion in assets, has secured the penthouse space at 625 Madison Avenue in Midtown Manhattan at rents ranging from $350 to $400 per square foot—establishing a new Manhattan office rent record. The 53,000-square-foot commitment represents a decisive leap above the previous benchmark of $327.50 per square foot achieved at 9 West 57th Street earlier this year, according to the Financial Times. Castle Hook, currently headquartered at the General Motors Building on Fifth Avenue, expects to occupy the space in the second half of 2029 when the building completes construction, with annual rent obligations reaching $21.2 million.
The lease reflects accelerating competition among institutional investors and alternative-asset managers for scarce, trophy-quality Manhattan office stock. Related Companies' 625 Madison has attracted multiple marquee tenants: General Atlantic signed on for 150,000 square feet, and Veritas Capital committed to 93,000 square feet, collectively anchoring approximately 296,000 square feet of the development's office portfolio. This concentration of capital-rich institutional tenants demonstrates sustained appetite for premium spaces despite broader office market headwinds.
Related acquired the 625 Madison site from SL Green in December 2023 for more than $600 million, concluding a protracted ownership dispute. The company initially planned a mixed-use development combining residential, retail, and hospitality components but recalibrated strategy to capitalize on institutional demand for world-class office environments. Saudi Arabia's Public Investment Fund, the $1 trillion sovereign wealth fund, took a two-thirds equity stake in the planned 1,200-foot tower, having invested approximately $200 million into the project at the time the stake transaction was announced. The combination of Related's development expertise, PIF's capital backing, and institutional tenant strength positions 625 Madison as a bellwether asset for Manhattan's premium office market.
The lease reflects accelerating competition among institutional investors and alternative-asset managers for scarce, trophy-quality Manhattan office stock. Related Companies' 625 Madison has attracted multiple marquee tenants: General Atlantic signed on for 150,000 square feet, and Veritas Capital committed to 93,000 square feet, collectively anchoring approximately 296,000 square feet of the development's office portfolio. This concentration of capital-rich institutional tenants demonstrates sustained appetite for premium spaces despite broader office market headwinds.
Related acquired the 625 Madison site from SL Green in December 2023 for more than $600 million, concluding a protracted ownership dispute. The company initially planned a mixed-use development combining residential, retail, and hospitality components but recalibrated strategy to capitalize on institutional demand for world-class office environments. Saudi Arabia's Public Investment Fund, the $1 trillion sovereign wealth fund, took a two-thirds equity stake in the planned 1,200-foot tower, having invested approximately $200 million into the project at the time the stake transaction was announced. The combination of Related's development expertise, PIF's capital backing, and institutional tenant strength positions 625 Madison as a bellwether asset for Manhattan's premium office market.
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