Consolidated Company-Sponsored Investment Funds (Tables)
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9 Months Ended |
Sep. 30, 2026 |
| Consolidated Company-Sponsored Investment Funds [Abstract] |
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| Summary of Balances of Consolidated VIEs and VOEs included in Statement of Financial Condition |
The balances of consolidated VIEs and VOEs included in our condensed consolidated statements of financial condition were as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | September 30, 2026 | | December 31, 2025 | | | (in thousands) | | | VIEs | | VOEs | | Total | | VIEs | | VOEs | | Total | | Cash and cash equivalents | | $ | 7,979 | | | $ | 158 | | | $ | 8,137 | | | $ | 17,617 | | | $ | 109 | | | $ | 17,726 | | | Investments | | 440,354 | | | 26,369 | | | 466,723 | | | 304,035 | | | 26,499 | | | 330,534 | | | Other assets | | 31,702 | | | 324 | | | 32,026 | | | 24,778 | | | 342 | | | 25,120 | | | Total assets | | $ | 480,035 | | | $ | 26,851 | | | $ | 506,886 | | | $ | 346,430 | | | $ | 26,950 | | | $ | 373,380 | | | | | | | | | | | | | | | | Liabilities | | $ | 31,108 | | | $ | 102 | | | $ | 31,210 | | | $ | 25,132 | | | $ | 149 | | | $ | 25,281 | | | Redeemable non-controlling interest | | 264,115 | | | 10,951 | | | 275,066 | | | 169,091 | | | 9,876 | | | 178,967 | | | Partners' capital attributable to AB Unitholders | | 184,812 | | | 15,798 | | | 200,610 | | | 152,207 | | | 16,925 | | | 169,132 | | | Total liabilities, redeemable non-controlling interest and partners' capital | | $ | 480,035 | | | $ | 26,851 | | | $ | 506,886 | | | $ | 346,430 | | | $ | 26,950 | | | $ | 373,380 | |
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| Summary of Redeemable Noncontrolling Interest |
Changes in the redeemable non-controlling interest balance during the nine-month period ended September 30, 2026 are as follows (in thousands): | | | | | | | | Redeemable non-controlling interest as of December 31, 2025 | $ | 178,967 | | | Deconsolidated funds | (9,807) | | | Changes in third-party seed investments in consolidated funds | 105,906 | | Redeemable non-controlling interest as of September 30, 2026 | $ | 275,066 | |
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| Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis |
Valuation of our financial instruments by pricing observability levels as of September 30, 2026 and December 31, 2025 was as follows (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Level 1 | | Level 2 | | Level 3 | | NAV Expedient(1) | | | | Total | | September 30, 2026: | | | | | | | | | | | | | Money markets | $ | 82,295 | | | $ | — | | | $ | — | | | $ | — | | | | | $ | 82,295 | | | Securities segregated (U.S. Treasury Bills) | — | | | 379,188 | | | — | | | — | | | | | 379,188 | | | Derivatives | 4,286 | | | 17,054 | | | — | | | — | | | | | 21,340 | | | Investments: | | | | | | | | | | | | | U.S. Treasury Bills | — | | | 209,414 | | | — | | | — | | | | | 209,414 | | | Equity securities | 94,645 | | | 42,112 | | | 126 | | | 1,040 | | | | | 137,923 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Other investments | 8,513 | | | — | | | — | | | — | | | | | 8,513 | | | Total investments | 103,158 | | | 251,526 | | | 126 | | | 1,040 | | | | | 355,850 | | | Total assets measured at fair value | $ | 189,739 | | | $ | 647,768 | | | $ | 126 | | | $ | 1,040 | | | | | $ | 838,673 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Derivatives | $ | 194 | | | $ | 15,593 | | | $ | — | | | $ | — | | | | | $ | 15,787 | | | Contingent payment arrangements | — | | | — | | | 8,732 | | | — | | | | | 8,732 | | | Total liabilities measured at fair value | $ | 194 | | | $ | 15,593 | | | $ | 8,732 | | | $ | — | | | | | $ | 24,519 | | | | | | | | | | | | | | | December 31, 2025: | | | | | | | | | | | | | Money markets | $ | 175,029 | | | $ | — | | | $ | — | | | $ | — | | | | | $ | 175,029 | | | Securities segregated (U.S. Treasury Bills) | — | | | 498,649 | | | — | | | — | | | | | 498,649 | | | Derivatives | 832 | | | 12,153 | | | — | | | — | | | | | 12,985 | | | | | | | | | | | | | | | Equity securities | 145,217 | | | 66,519 | | | 127 | | | 37 | | | | | 211,900 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Other investments | 9,003 | | | — | | | — | | | — | | | | | 9,003 | | | | | | | | | | | | | | | Total assets measured at fair value | $ | 330,081 | | | $ | 577,321 | | | $ | 127 | | | $ | 37 | | | | | $ | 907,566 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Derivatives | $ | 366 | | | $ | 17,249 | | | $ | — | | | $ | — | | | | | $ | 17,615 | | | Contingent payment arrangements | — | | | — | | | 8,605 | | | — | | | | | 8,605 | | | Total liabilities measured at fair value | $ | 366 | | | $ | 17,249 | | | $ | 8,605 | | | $ | — | | | | | $ | 26,220 | |
(1) Investments measured at fair value using NAV (or its equivalent) as a practical expedient. Valuation of consolidated company-sponsored investment funds' financial instruments by pricing observability levels as of September 30, 2026 and December 31, 2025 was as follows (in thousands): | | | | | | | | | | | | | | | | | | | | | | | Level 1 | | Level 2 | | | | | | Total | | September 30, 2026: | | | | | | | | | | | Investments - VIEs | $ | 76,248 | | | $ | 364,106 | | | | | | | $ | 440,354 | | | Investments - VOEs | 445 | | | 25,924 | | | | | | | 26,369 | | | Derivatives - VIEs | 574 | | | 23,338 | | | | | | | 23,912 | | | | | | | | | | | | | Total assets measured at fair value | $ | 77,267 | | | $ | 413,368 | | | | | | | $ | 490,635 | | | | | | | | | | | | | Derivatives - VIEs | $ | 1,006 | | | $ | 22,975 | | | | | | | $ | 23,981 | | | | | | | | | | | | | Total liabilities measured at fair value | $ | 1,006 | | | $ | 22,975 | | | | | | | $ | 23,981 | | | | | | | | | | | | | December 31, 2025: | | | | | | | | | | | Investments - VIEs | $ | 22,477 | | | $ | 271,558 | | | | | | | $ | 294,035 | | | Investments - VOEs | 225 | | | 26,274 | | | | | | | 26,499 | | | Derivatives - VIEs | 70 | | | 20,007 | | | | | | | 20,077 | | | | | | | | | | | | | Total assets measured at fair value | $ | 22,772 | | | $ | 317,839 | | | | | | | $ | 340,611 | | | | | | | | | | | | | | | | | | | | | | | Derivatives - VIEs | $ | 112 | | | $ | 19,972 | | | | | | | $ | 20,084 | | | | | | | | | | | | | Total liabilities measured at fair value | $ | 112 | | | $ | 19,972 | | | | | | | $ | 20,084 | |
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| Summary of Change in Carrying Value Level 3 Financial Instruments |
The change in carrying value associated with Level 3 financial instruments carried at fair value, classified as equity securities, is as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended September 30, | | Nine Months Ended September 30, | | | 2026 | | 2025 | | 2026 | | 2025 | | | (in thousands) | | Balance as of beginning of period | | $ | 126 | | | $ | 121 | | | $ | 127 | | | $ | 121 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Unrealized gains (losses), net | | — | | | 3 | | | (1) | | | 3 | | | Balance as of end of period | | $ | 126 | | | $ | 124 | | | $ | 126 | | | $ | 124 | |
The change in carrying value associated with Level 3 financial instruments carried at fair value within consolidated company-sponsored investment funds was as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended September 30, | | Nine Months Ended September 30, | | | 2026 | | 2025 | | 2026 | | 2025 | | | (in thousands) | | Balance as of beginning of period | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | Newly consolidated funds: | | | | | | | | | | Consumer loan securities | | — | | | 27,347 | | | — | | | 27,347 | | | Aviation securities | | — | | | 4,563 | | | — | | | 4,563 | | | | | | | | | | | | Transfers in | | — | | | — | | | — | | | — | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Unrealized gains, net | | — | | | — | | | — | | | — | | | | | | | | | | | | Balance as of end of period | | $ | — | | | $ | 31,910 | | | $ | — | | | $ | 31,910 | |
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| Summary of Offsetting of Derivative Assets |
Offsetting of assets as of September 30, 2026 and December 31, 2025 was as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Gross Amounts of Recognized Assets | | Gross Amounts Offset in the Statement of Financial Condition | | Net Amounts of Assets Presented in the Statement of Financial Condition | | Financial Instruments Collateral | | Cash Collateral | | Net Amount | | (in thousands) | | September 30, 2026: | | | | | | | | | | | | | Securities borrowed | $ | 17,415 | | | $ | — | | | $ | 17,415 | | | $ | (16,992) | | | $ | — | | | $ | 423 | | | Derivatives | $ | 21,340 | | | $ | — | | | $ | 21,340 | | | $ | — | | | $ | (6,762) | | | $ | 14,578 | | | | | | | | | | | | | | | December 31, 2025: | | | | | | | | | | | | | Securities borrowed | $ | 14,689 | | | $ | — | | | $ | 14,689 | | | $ | (14,539) | | | $ | — | | | $ | 150 | | | Derivatives | $ | 12,985 | | | $ | — | | | $ | 12,985 | | | $ | — | | | $ | (5,547) | | | $ | 7,438 | | | | | | | | | | | | | |
Offsetting of derivative assets of consolidated company-sponsored investment funds as of September 30, 2026 and December 31, 2025 was as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Gross Amounts of Recognized Assets | | Gross Amounts Offset in the Statement of Financial Condition | | Net Amounts of Assets Presented in the Statement of Financial Condition | | Financial Instruments Collateral | | Cash Collateral Received | | Net Amount | | (in thousands) | | September 30, 2026: | | | | | | | | | | | | | Derivatives - VIEs | $ | 23,912 | | | $ | — | | | $ | 23,912 | | | $ | — | | | $ | (330) | | | $ | 23,582 | | | | | | | | | | | | | | | December 31, 2025: | | | | | | | | | | | | | Derivatives - VIEs | $ | 20,077 | | | $ | — | | | $ | 20,077 | | | $ | — | | | $ | — | | | $ | 20,077 | | | | | | | | | | | | | |
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| Summary of Offsetting of Derivative Liabilities |
Offsetting of liabilities as of September 30, 2026 and December 31, 2025 was as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Gross Amounts of Recognized Liabilities | | Gross Amounts Offset in the Statement of Financial Condition | | Net Amounts of Liabilities Presented in the Statement of Financial Condition | | Financial Instruments Collateral | | Cash Collateral | | Net Amount | | (in thousands) | | September 30, 2026: | | | | | | | | | | | | | Securities loaned | $ | 2,284 | | | $ | — | | | $ | 2,284 | | | $ | — | | | $ | (2,214) | | | $ | 70 | | | Derivatives | $ | 15,787 | | | $ | — | | | $ | 15,787 | | | $ | — | | | $ | (10,844) | | | $ | 4,943 | | | | | | | | | | | | | | | December 31, 2025: | | | | | | | | | | | | | Securities loaned | $ | 51,488 | | | $ | — | | | $ | 51,488 | | | $ | — | | | $ | (50,170) | | | $ | 1,318 | | | Derivatives | $ | 17,615 | | | $ | — | | | $ | 17,615 | | | $ | — | | | $ | (10,293) | | | $ | 7,322 | | | | | | | | | | | | | |
Offsetting of derivative liabilities of consolidated company-sponsored investment funds as of September 30, 2026 and December 31, 2025 was as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Gross Amounts of Recognized Liabilities | | Gross Amounts Offset in the Statement of Financial Condition | | Net Amounts of Liabilities Presented in the Statement of Financial Condition | | Financial Instruments Collateral | | Cash Collateral Pledged | | Net Amount | | (in thousands) | | September 30, 2026: | | | | | | | | | | | | | Derivatives - VIEs | $ | 23,981 | | | $ | — | | | $ | 23,981 | | | $ | — | | | $ | (1,330) | | | $ | 22,651 | | | | | | | | | | | | | | | December 31, 2025: | | | | | | | | | | | | | Derivatives - VIEs | $ | 20,084 | | | $ | — | | | $ | 20,084 | | | $ | — | | | $ | (492) | | | $ | 19,592 | | | | | | | | | | | | | |
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