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Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2023

Earnings Per Share [Abstract]

Computation of basic and diluted net income (loss) per share

The computation of basic and diluted earnings per share for the years ended December 31, 2023, 2022 and 2021 were as follows:

			For the Years Ended December 31,
Basic and Diluted Earnings Per Share			2023						2022						2021
Numerator:
Net income attributable to APAM			$	222,289					$	206,755					$	336,516
Less: Allocation to participating securities			19,880						22,801						31,430
Net income available to common stockholders			$	202,409					$	183,954					$	305,086
Denominator:
Basic weighted average shares outstanding			63,451,932						62,475,960						59,866,790
Dilutive effect of nonparticipating equity awards			34,547						22,549						14,249
Diluted weighted average shares outstanding			63,486,479						62,498,509						59,881,039
Earnings per share - Basic			$	3.19					$	2.94					$	5.10
Earnings per share - Diluted			$	3.19					$	2.94					$	5.09

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following table summarizes the weighted-average shares outstanding that are excluded from the calculation of diluted earnings per share because their effect would have been anti-dilutive:

			For the Years Ended December 31,
Anti-Dilutive Weighted Average Shares Outstanding			2023						2022						2021
Holdings limited partnership units			11,505,766						12,022,633						14,167,538
Unvested restricted share-based awards			5,572,690						5,601,756						5,410,221
Total			17,078,456						17,624,389						19,577,759

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- Definition

Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

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Tabular disclosure of the effect of income (loss) on basic earnings per share.

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