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INVESTMENTS (Tables) | 6 Months Ended
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Jun. 30, 2024
INVESTMENTS |
Schedule of investments | As of June 30, 2024 and December 31, 2023, the Company’s investments were comprised of the following (in millions):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, | ​ | December 31,
​ |  | 2024 |  | 2023
Equity method investments: | ​ | ​ | ​ | ​ | ​ | ​
Investment in 7Ridge Investments 3 LP | ​ | $ | 321.3 | ​ | $ | 292.0
Total equity method investments | ​ | ​ | 321.3 | ​ | ​ | 292.0
​ | ​ | ​ | ​ | ​ | ​ | ​
Other equity investments: | ​ | ​ | ​ | ​ | ​ | ​
Investment in Eris Innovations Holdings, LLC | ​ | ​ | 20.0 | ​ | ​ | 20.0
Investment in Globacap Technology Limited | ​ | ​ | — | ​ | ​ | 16.0
Investment in CSD Br | ​ | ​ | 5.9 | ​ | ​ | 5.9
Investment in Coin Metrics Inc. | ​ | ​ | 5.0 | ​ | ​ | 5.0
Investment in Cboe Vest Financial Group, Inc. | ​ | ​ | 2.9 | ​ | ​ | 2.9
Investment in OCC | ​ | ​ | 0.3 | ​ | ​ | 0.3
Other equity investments | ​ |  | 4.1 | ​ |  | 3.2
Total other equity investments | ​ | ​ | 38.2 | ​ | ​ | 53.3
​ | ​ | ​ | ​ | ​ | ​ | ​
Total investments | ​ | $ | 359.5 | ​ | $ | 345.3

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