Investment Securities (Tables)

6 Months Ended

Jun. 30, 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 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

Unrealized Gain (Loss) on Investments

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