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v3.25.1

Non-controlling Interests (Tables) | 3 Months Ended
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Mar. 31, 2025
Noncontrolling Interest [Abstract] |
Summary of Ownership of LLC Units | The ownership of the LLC Units is summarized as follows:
|  | Ownership |  |  | Ownership Percentage |
|  | OneStream, Inc. |  |  | Continuing Members(1) |  |  | Total |  |  | OneStream, Inc. |  |  | Continuing Members(1) |  |  | Total |
Balances as of December 31, 2024 |  |  | 173,652,398 |  |  |  | 62,857,813 |  |  |  | 236,510,211 |  |  |  | 73.4 | % |  |  | 26.6 | % |  |  | 100.0 | %
Exchange of Class C common stock |  |  | 598,404 |  |  |  | (598,404 | ) |  |  | — |  |  |  | 0.3 | % |  |  | (0.3 | )% |  |  | — |
Vesting of LLC Units |  |  | — |  |  |  | 62,504 |  |  |  | 62,504 |  |  |  | — |  |  |  | — |  |  |  | — |
Issuance of LLC Units in connection with equity-based compensation plans |  |  | 1,819,189 |  |  |  | — |  |  |  | 1,819,189 |  |  |  | 0.2 | % |  |  | (0.2 | )% |  |  | — |
Balances as of March 31, 2025 |  |  | 176,069,991 |  |  |  | 62,321,913 |  |  |  | 238,391,904 |  |  |  | 73.9 | % |  |  | 26.1 | % |  |  | 100.0 | %
(1) Excludes 1,009,302 and 1,071,806 LLC Units still subject to vesting conditions at March 31, 2025 and December 31, 2024, respectively.

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