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Investment Securities | 3 Months Ended
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Mar. 31, 2024
Investments, Debt and Equity Securities [Abstract] |
Investment Securities | Note 3. Investment Securities The disclosures below include details of Artisan’s investments, excluding money market funds and consolidated investment products. Investments held by consolidated investment products are described in Note 6, “Variable Interest Entities and Consolidated Investment Products.”
| As of March 31, 2024 |  | As of December 31, 2023
Investments in equity securities | $ | 193,658 |  |  | $ | 139,240 |
Investments in equity securities accounted for under the equity method | 13,028 |  |  | 11,282 |
Total investment securities | $ | 206,686 |  |  | $ | 150,522 |
Artisan’s investments in equity securities consist of investments in Artisan Funds, Artisan Global Funds and Artisan Private Funds. As of March 31, 2024 and December 31, 2023, $136.9 million and $107.0 million, respectively, of Artisan's investment securities were related to funded long-term incentive compensation plans (excluding investments in consolidated investment products). Unrealized gain (loss) related to investment securities held at the end of the periods indicated below were as follows:
| For the Three Months Ended March 31, |  |
| 2024 |  | 2023 |  |  |  |
Unrealized gain (loss) on investment securities held at the end of the period | $ | 5,928 |  |  | $ | 7,891 |  |  |  |  |

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