v3.26.3
Related Party Transactions - Related Party Transactions (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Aug. 31, 2026
Aug. 31, 2025
Aug. 31, 2026
Aug. 31, 2025
Nov. 30, 2025
Assets          
Cash and cash equivalents $ 16,883,584   $ 16,883,584   $ 14,043,889
Cash and securities segregated and on deposit for regulatory purposes or deposited with clearing and depository organizations 1,177,954   1,177,954   917,697
Financial instruments owned, at fair value 27,282,633   27,282,633   27,722,739
Securities borrowed 11,158,355   11,158,355   8,295,161
Securities purchased under agreements to resell 7,840,742   7,840,742   8,449,107
Receivables:          
Brokers, dealers and clearing organizations 3,096,144   3,096,144   4,310,143
Customers 4,416,818   4,416,818   3,439,921
Fees, interest and other 877,248   877,248   806,324
Other assets 3,412,045   3,412,045   3,246,706
Total assets 81,301,858   81,301,858   76,012,347
Liabilities          
Financial instruments sold, not yet purchased, at fair value 15,095,989   15,095,989   13,320,152
Securities loaned 4,023,003   4,023,003   2,540,759
Securities sold under agreements to repurchase 12,920,669   12,920,669   12,156,737
Other secured financings 2,336,070   2,336,070   2,885,878
Payables:          
Brokers, dealers and clearing organizations 5,182,459   5,182,459   6,955,100
Accrued expenses and other liabilities 3,756,749   3,756,749   3,836,709
Long-term debt 18,458,995   18,458,995   15,895,891
Total liabilities 70,549,008   70,549,008   65,369,738
Revenues          
Revenues 3,230,798 $ 2,907,674 9,220,260 $ 7,874,853  
Interest expense 1,008,864 860,242 2,774,745 2,599,955  
Net revenues 2,221,934 2,047,432 6,445,515 5,274,898  
Non-interest expenses          
Business development 83,000 78,999 247,530 231,360  
Other expenses 61,014 60,544 247,252 217,578  
Total non-interest expenses 1,870,896 1,715,617 5,566,712 4,657,117  
Principal transactions          
Revenues          
Revenues 468,655 486,893 1,444,819 1,232,630  
Commissions and other fees          
Revenues          
Revenues 392,932 325,178 1,161,150 966,711  
Interest          
Revenues          
Revenues 922,999 846,894 2,590,080 2,570,090  
Sumitomo Mitsui Banking Corporation Agreement | Related Party          
Assets          
Cash and cash equivalents 351,647   351,647   444,506
Cash and securities segregated and on deposit for regulatory purposes or deposited with clearing and depository organizations 26,273   26,273   27,975
Financial instruments owned, at fair value 15,364   15,364   395
Securities borrowed 5,648   5,648   3,872
Securities purchased under agreements to resell 158,792   158,792   357,261
Receivables:          
Brokers, dealers and clearing organizations 27,757   27,757   7,752
Customers 109   109   206
Fees, interest and other 5,984   5,984   5,438
Other assets 18,471   18,471   6,203
Total assets 610,045   610,045   853,608
Liabilities          
Financial instruments sold, not yet purchased, at fair value 1,890   1,890   6,763
Securities loaned 403,671   403,671   620
Securities sold under agreements to repurchase 514,781   514,781   638,581
Other secured financings 19,700   19,700   0
Payables:          
Brokers, dealers and clearing organizations 4,301   4,301   470
Accrued expenses and other liabilities 40,614   40,614   9,537
Long-term debt 0   0   0
Total liabilities 984,957   984,957   $ 655,971
Revenues          
Revenues 28,125 (2,216) 95,507 21,722  
Interest expense 10,448 10,811 26,688 32,527  
Net revenues 17,677 (13,027) 68,819 (10,805)  
Non-interest expenses          
Business development 19,362 11,108 47,259 22,913  
Other expenses 56 1 232 6  
Total non-interest expenses 19,418 11,109 47,491 22,919  
Sumitomo Mitsui Banking Corporation Agreement | Related Party | Revolving Credit Facility | Line of credit          
Payables:          
Paydown on a credit facility 700,000   700,000    
Sumitomo Mitsui Banking Corporation Agreement | Related Party | Investment banking          
Revenues          
Revenues 3,390 3,114 11,652 11,912  
Sumitomo Mitsui Banking Corporation Agreement | Related Party | Principal transactions          
Revenues          
Revenues 19,778 (13,306) 68,089 (14,301)  
Sumitomo Mitsui Banking Corporation Agreement | Related Party | Commissions and other fees          
Revenues          
Revenues 822 754 2,223 2,155  
Sumitomo Mitsui Banking Corporation Agreement | Related Party | Interest          
Revenues          
Revenues $ 4,135 $ 7,222 $ 13,543 $ 21,956