13. Leases
Blackstone enters into
non-cancelable
lease and sublease agreements primarily for office space, which expire on various dates through 2043. In addition to contractual rent payments, which are generally subject to escalation provisions, occupancy lease agreements may include payments for certain costs incurred by the landlord, such as building expenses and utilities. To the extent these costs are fixed or determinable, they are included as part of the minimum lease payments used to measure the Operating Lease Liability and are included in Straight-Line Lease Cost. At December 31, 2025 and 2024, Blackstone maintained irrevocable standby letters of credit and cash deposits as security for the leases of $15.1 million and $14.1 million, respectively. As of December 31, 2025, the weighted-average remaining lease term was 7.4 years, and the weighted-average discount rate was 3.5%.
The components of lease expense were as follows:
 
    
Year Ended December 31,
    
2025
  
2024
  
2023
Operating Lease Cost
        
Straight-Line Lease Cost (a)
   $ 149,490      $ 156,680      $ 160,534  
Variable Lease Cost (b)
     28,584        20,222        15,268  
Sublease Income
     (206      (65      (63
  
 
 
 
  
 
 
 
  
 
 
 
   $  177,868      $  176,837      $  175,739  
  
 
 
 
  
 
 
 
  
 
 
 
(a)
Straight-line lease cost includes short-term leases, which are immaterial.
(b)
Variable lease cost approximates variable lease cash payments.
Supplemental cash flow information related to leases was as follows:
 
    
Year Ended December 31,
    
2025
  
2024
  
2023
Operating Cash Flows for Operating Lease Liabilities
   $  187,012      $  145,388      $  127,183  
Non-Cash
Right-of-Use
Assets Obtained in Exchange for New Operating Lease Liabilities
   $ 41,689      $ 129,451      $ 117,155  
 
198
 
The following table shows the undiscounted cash flows on an annual basis for Operating Lease Liabilities as of December 31, 2025:

 
2026
   $ 160,648   
2027
     156,893   
2028
     147,780   
2029
     120,754   
2030
     62,175   
Thereafter
     231,241   
  
 
 
 
Total Lease Payments (a)
     879,491   
Less: Imputed Interest
     (18,470)  
  
 
 
 
Present Value of Operating Lease Liabilities
   $ 861,021   
  
 
 
 
 
(a)
Excludes signed leases that have not yet commenced.
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Historical Timeline

Fiscal YearFiled
2025Feb 27, 2026Showing above
2024Feb 28, 2025
2023Feb 23, 2024
2022Feb 24, 2023
2021Feb 25, 2022
2020Feb 26, 2021
2019Feb 28, 2020

About Leases Disclosures

Lease disclosures under ASC 842 provide a comprehensive view of a company's leased asset portfolio, including the split between operating and finance leases, discount rates used to present-value future payments, and the maturity schedule of lease obligations. This section reveals a significant source of off-balance-sheet commitments that were largely hidden before the current standard.

Key signals: the weighted-average discount rate affects the size of recorded lease liabilities — a higher rate reduces the reported obligation, so compare the chosen rate against the company's incremental borrowing rate. The operating versus finance lease mix affects both EBITDA and operating income presentation. Watch the maturity table for concentration risk: large payment cliffs in specific years may create cash flow pressure. Variable lease payments excluded from the liability measurement represent real obligations that do not appear on the balance sheet. Compare total lease costs against prior-year operating lease expense to assess the true economic burden.