Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2021

Stockholders' Equity Note [Abstract]

Authorized and outstanding equity

Outstanding

Authorized

As of September 30, 2021

As of December 31, 2020

Voting Rights (1)

Economic Rights

Common shares

Class A, par value $0.01 per share

500,000,000

65,215,891

63,131,007

1 vote per share

Proportionate

Class B, par value $0.01 per share

200,000,000

3,632,687

4,457,958

1 vote per share

None

Class C, par value $0.01 per share

400,000,000

10,191,061

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 September 30, 2021, Artisan’s employees held 5,142,292 restricted shares of Class A common stock and all 3,632,687 outstanding shares of Class B common stock, all of which were subject to the agreement.

Dividends Declared


Type of Dividend	Class of Stock	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
		2021		2020		2021		2020
Quarterly	Class A Common	$	1.00	$	0.67	$	2.85	$	1.96
Special Annual	Class A Common	$	—	$	—	$	0.31	$	0.60

Issuance (Cancellation) of Shares Disclosure


	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	—	653,741	(186,657)	(467,084)
Restricted Share Award Grants	740,249	740,249	—	—
Restricted Share Award Net Share Settlement	(176,194)	(176,194)	—	—
Delivery of Shares Underlying RSUs	1,074	1,074	—	—
Employee/Partner Terminations	(97,600)	(97,600)	—	—
Balance at September 30, 2021	79,039,639	65,215,891	3,632,687	10,191,061

(1) There were 327,713 and 304,570 restricted stock units outstanding at September 30, 2021 and December 31, 2020, respectively. In addition, there were 135,230 performance share units outstanding at September 30, 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


	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2021		2020		2021		2020
Holdings Partnership Distributions to Limited Partners	$	25,629	$	20,923	$	67,889	$	60,245
Holdings Partnership Distributions to APAM	110,555		70,024		285,007		181,379
Total Holdings Partnership Distributions	$	136,184	$	90,947	$	352,896	$	241,624