| Balance Sheets | 2025-09-30 | 2025-06-30 | 2025-03-31 | 2024-09-30 |
|---|---|---|---|---|
| Cash and cash equivalents | 5,128 | 4,688 | 3,500 | 3,595 |
| Cash segregated for regulatory purposes | 48,784 | 45,057 | 39,173 | 35,216 |
| Securities - segregated for regulatory purposes | 38,691 | 36,972 | 29,394 | 31,103 |
| Securities borrowed | 11,568 | 10,145 | 5,845 | 7,513 |
| Securities purchased under agreements to resell | 8,524 | 9,529 | 8,376 | 8,176 |
| Asset Not Pledged As Collateral | 3,028 | 3,777 | 3,336 | 2,844 |
| Asset Pledged As Collateral | 99 | 79 | 70 | 105 |
| Financial instruments owned, at fair value | 3,127 | 3,856 | 3,406 | 2,949 |
| Customers, less allowance for credit losses of 22 and 25 as of september 30, 2025 and december 31, 2024 | 77,588 | 65,346 | 63,857 | 56,006 |
| Brokers, dealers and clearing organizations | 4,773 | 4,074 | 2,495 | 2,210 |
| Interest | 488 | 454 | 443 | 423 |
| Total receivables | 82,849 | 69,874 | 66,795 | 58,639 |
| Other assets | 1,551 | 1,354 | 1,181 | 1,335 |
| Total assets | 200,222 | 181,475 | 157,670 | 148,526 |
| Short-term borrowings | 10 | 8 | 12 | 33 |
| Securities loaned | 27,031 | 21,229 | 16,894 | 16,818 |
| Securities sold under agreements to repurchase | 894 | - | - | - |
| Financial instruments sold, not yet purchased, at fair value | 499 | 494 | 252 | 381 |
| Customers | 149,442 | 138,417 | 120,654 | 112,579 |
| Brokers, dealers and clearing organizations | 1,541 | 1,682 | 1,226 | 1,202 |
| Affiliate | 215 | 180 | 195 | 185 |
| Accounts payable, accrued expenses and other liabilities | 793 | 664 | 657 | 996 |
| Interest | 317 | 283 | 297 | 327 |
| Total payables | 152,308 | 141,226 | 123,029 | 115,289 |
| Total liabilities | 180,742 | 162,957 | 140,187 | 132,521 |
| Common stock, 0.01 par value per share-Common Class A | 1 | 1 | 1 | 1 |
| Additional paid-in capital | 1,943 | 1,886 | 1,828 | 1,804 |
| Retained earnings | 3,117 | 2,890 | 2,701 | 2,325 |
| Accumulated other comprehensive income, net of income taxes of 0 as of both september 30, 2025 and december 31, 2024 | 52 | 62 | -17 | 19 |
| Treasury stock, at cost, 592,150 and 625,784 shares as of september 30, 2025 and december 31, 2024 | 7 | 14 | 11 | 4 |
| Total stockholders' equity | 5,106 | 4,825 | 4,502 | 4,145 |
| Noncontrolling interests | 14,374 | 13,693 | 12,981 | 11,860 |
| Total equity | 19,480 | 18,518 | 17,483 | 16,005 |
| Total liabilities and stockholders' equity | 200,222 | 181,475 | 157,670 | 148,526 |
Interactive Brokers Group, Inc. (IBKR)
Interactive Brokers Group, Inc. (IBKR)