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Investment Securities (Tables)
3 Months Ended
Mar. 31, 2021
Investments, Debt and Equity Securities [Abstract]  
Marketable 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, 2021As of December 31, 2020
Investments in equity securities$34,464 $2,807 
Investments in equity securities accounted for under the equity method1,771 849 
Total investment securities$36,235 $3,656