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Investment Securities | 6 Months Ended
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Jun. 30, 2021
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 June 30, 2021 |  | As of December 31, 2020
Investments in equity securities | $ | 37,083 |  |  | $ | 2,807 |
Investments in equity securities accounted for under the equity method | 12,807 |  |  | 849 |
Total investment securities | $ | 49,890 |  |  | $ | 3,656 |
Artisan’s investments in equity securities consist of investments in shares of Artisan Funds, Artisan Global Funds and Artisan Private Funds. As of June 30, 2021, $36.3 million of Artisan's investment securities were related to funded long-term incentive compensation plans. Unrealized gains (losses) related to investment securities held at the end of the periods identified below were as follows:
| For the Three Months Ended June 30, |  | For the Six Months Ended June 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Unrealized gain (loss) on investment securities held at the end of the period | $ | 3,988 |  |  | $ | 1,148 |  |  | $ | 4,007 |  |  | $ | 246 |

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