Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2021

Stockholders' Equity Note [Abstract]

Authorized and outstanding equity

APAM had the following authorized and outstanding equity as of March 31, 2021 and December 31, 2020, respectively:

		Outstanding
	Authorized	As of March 31, 2021	As of December 31, 2020	Voting Rights (1)	Economic Rights
Common shares
Class A, par value $0.01 per share	500,000,000	64,821,842	63,131,007	1 vote per share	Proportionate
Class B, par value $0.01 per share	200,000,000	3,783,601	4,457,958	1 vote per share	None
Class C, par value $0.01 per share	400,000,000	10,557,209	10,983,145	1 vote per share	None
(1) The Company’s employees to whom Artisan has granted equity have entered into a stockholders agreement with respect to all shares of APAM common stock they have acquired from the Company and any shares they may acquire from the Company in the future, pursuant to which they granted an irrevocable voting proxy to a Stockholders Committee. As of March 31, 2021, Artisan’s employees held 5,297,254 restricted shares of Class A common stock and all 3,783,601 outstanding shares of Class B common stock, all of which were subject to the agreement.

Dividends Declared

APAM declared and paid the following dividends per share during the three months ended March 31, 2021 and 2020:

Type of Dividend	Class of Stock	For the Three Months Ended March 31,
		2021		2020
Quarterly	Class A Common	$	0.97	$	0.68
Special Annual	Class A Common	$	0.31	$	0.60

Issuance (Cancellation) of Shares Disclosure

The following table summarizes APAM’s stock transactions for the three months ended March 31, 2021:

	Total Stock Outstanding	Class A Common Stock(1)	Class B Common Stock	Class C Common Stock
Balance at December 31, 2020	78,572,110	63,131,007	4,457,958	10,983,145
2021 Follow-On Offering	—	963,614	(638,614)	(325,000)
Holdings Common Unit Exchanges	—	136,679	(35,743)	(100,936)
Restricted Share Award Grants	740,249	740,249	—	—
Restricted Share Award Net Share Settlement	(150,781)	(150,781)	—	—
Delivery of Shares Underlying RSUs	1,074	1,074	—	—
Balance at March 31, 2021	79,162,652	64,821,842	3,783,601	10,557,209
(1) There were 328,310 and 304,570 restricted stock units outstanding at March 31, 2021 and December 31, 2020, respectively. In addition, there were 135,230 performance share units outstanding at March 31, 2021. Based on the current status of the market and performance conditions, the 135,230 unvested performance share units would ultimately result in the issuance of 165,233 shares of Class A common stock if all other vesting conditions were met. Restricted stock units and performance share units are not reflected in the table because they are not considered outstanding or issued stock.

Schedule of Distributions made to General and Limited Partners

Holdings’ partnership distributions for the three months ended March 31, 2021 and 2020 were as follows:

	For the Three Months Ended March 31,
	2021		2020
Holdings Partnership Distributions to Limited Partners	$	11,873	$	17,076
Holdings Partnership Distributions to APAM	48,546		45,104
Total Holdings Partnership Distributions	$	60,419	$	62,180