| Fair Value Measurements, Recurring and Nonrecurring |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | September 30, 2026 | | (in thousands) | Level 1 | | Level 2 | | Level 3 | | Investments Measured at NAV | | | | Total | | Cash equivalents | $ | 40,027 | | | $ | — | | | $ | — | | | $ | — | | | | | $ | 40,027 | | | Equity investments at fair value: | | | | | | | | | | | | | | | | | | | | | | | | | Equity securities | $ | 127,437 | | | $ | 121,926 | | | $ | — | | | $ | 135 | | | | | $ | 249,498 | | | | | | | | | | | | | | | Limited partnership interests | — | | | — | | | 99,920 | | | 7,692 | | | | | 107,612 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total | 127,437 | | | 121,926 | | | 99,920 | | | 7,827 | | | | | 357,110 | | | Trading investments: | | | | | | | | | | | | | Fixed income | — | | | 263,896 | | | — | | | — | | | | | 263,896 | | | | | | | | | | | | | | | Equity method investments | — | | | — | | | — | | | 9 | | | | | 9 | | | | | | | | | | | | | | | Total investments | $ | 127,437 | | | $ | 385,822 | | | $ | 99,920 | | | $ | 7,836 | | | | | $ | 621,015 | | | | | | | | | | | | | | | Derivatives - assets: | | | | | | | | | | | | | Total return swaps | $ | — | | | $ | 2,990 | | | $ | — | | | $ | — | | | | | $ | 2,990 | | | Forward contracts - foreign exchange | — | | | 316 | | | — | | | — | | | | | 316 | | | Total | $ | — | | | $ | 3,306 | | | $ | — | | | $ | — | | | | | $ | 3,306 | | | Derivatives - liabilities: | | | | | | | | | | | | | Total return swaps | $ | — | | | $ | 1,126 | | | $ | — | | | $ | — | | | | | $ | 1,126 | | | | | | | | | | | | | | | Forward contracts - foreign exchange | — | | | 119 | | | — | | | — | | | | | 119 | | | Total | $ | — | | | $ | 1,245 | | | $ | — | | | $ | — | | | | | $ | 1,245 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2025 | | (in thousands) | Level 1 | | Level 2 | | Level 3 | | Investments Measured at NAV | | Total | | Cash equivalents | $ | 105,706 | | | $ | — | | | $ | — | | | $ | — | | | $ | 105,706 | | | Equity investments at fair value: | | | | | | | | | | | Equity securities | $ | 118,553 | | | $ | 80,868 | | | $ | — | | | $ | 138 | | | $ | 199,559 | | | Limited partnership interests | — | | | — | | | 65,335 | | | 6,140 | | | 71,475 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total | 118,553 | | | 80,868 | | | 65,335 | | | 6,278 | | | 271,034 | | | Trading investments: | | | | | | | | | | | Fixed income | — | | | 165,443 | | | — | | | — | | | 165,443 | | | Equity method investments | — | | | — | | | — | | | 8 | | | 8 | | | | | | | | | | | | | Total investments | $ | 118,553 | | | $ | 246,311 | | | $ | 65,335 | | | $ | 6,286 | | | $ | 436,485 | | | | | | | | | | | | | Derivatives - assets: | | | | | | | | | | | Total return swaps | $ | — | | | $ | 353 | | | $ | — | | | $ | — | | | $ | 353 | | | Forward contracts - foreign exchange | — | | | 433 | | | — | | | — | | | 433 | | | Total | $ | — | | | $ | 786 | | | $ | — | | | $ | — | | | $ | 786 | | | Derivatives - liabilities: | | | | | | | | | | | Total return swaps | $ | — | | | $ | 1,964 | | | $ | — | | | $ | — | | | $ | 1,964 | | | Forward contracts - foreign exchange | — | | | 55 | | | — | | | — | | | 55 | | | Total | $ | — | | | $ | 2,019 | | | $ | — | | | $ | — | | | $ | 2,019 | |
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| Fair Value Option, Disclosures |
The following tables summarize amounts related to the investments for which the fair value option has been elected: | | | | | | | | | | | | | (in thousands) | September 30, 2026 | | December 31, 2025 | | Fair value | | CNSREIT | $ | 121,909 | | | $ | 80,865 | | | Cohen & Steers Natural Resources Active ETF | $ | 21,458 | | | $ | 17,906 | | | Cohen & Steers Short Duration Preferred and Income Active ETF | $ | 19,305 | | | N/A | | Cohen & Steers Infrastructure Opportunities Active ETF | $ | 15,977 | | | N/A |
| | | | | | | | | | | | | September 30, 2026 | | December 31, 2025 | | Ownership Interest | | CNSREIT | 31.0 | % | | 36.9 | % | | Cohen & Steers Natural Resources Active ETF | 17.4 | % | | 35.7 | % | | Cohen & Steers Short Duration Preferred and Income Active ETF | 30.9 | % | | N/A | | Cohen & Steers Infrastructure Opportunities Active ETF | 32.6 | % | | N/A |
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| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation |
The following table summarizes the changes in Level 3 investments measured at fair value on a recurring basis:
| | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended September 30, | | Nine Months Ended September 30, | | (in thousands) | 2026 | | 2025 | | 2026 | | 2025 | | Balance at beginning of period | $ | 84,682 | | | $ | 39,247 | | | $ | 65,335 | | | $ | 32,552 | | | Purchases/contributions | 14,954 | | | 6,643 | | | 29,055 | | | 13,954 | | | | | | | | | | | | | | | | | | | Realized and unrealized gains (losses) | 284 | | | (749) | | | 5,530 | | | (1,365) | | | | | | | | | | | Balance at end of period | $ | 99,920 | | | $ | 45,141 | | | $ | 99,920 | | | $ | 45,141 | |
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| Fair Value Measurement Inputs and Valuation Techniques |
The following tables summarize the valuation techniques and significant unobservable inputs approved by the Valuation Committee for Level 3 investments measured at fair value on a recurring basis: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fair Value as of September 30, 2026 (in thousands) | | Valuation Technique | | Unobservable Inputs | | Range | | Weighted Average | Limited partnership interests | | $ | 87,321 | | | Discounted cash flow | | Discount rate Terminal capitalization rate | | 6.75% - 9.50% 5.25% - 8.00% | | 8.62% 7.23% | | | $ | 12,599 | | | Transaction price | | N/A | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fair Value as of December 31, 2025 (in thousands) | | Valuation Technique | | Unobservable Inputs | | Range | | Weighted Average | Limited partnership interests | | $ | 65,335 | | | Discounted cash flow | | Discount rate Terminal capitalization rate | | 7.00% - 10.00% 5.25% - 8.75% | | 8.82% 7.40% |
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