XML 43 R31.htm IDEA: XBRL DOCUMENT
v3.25.3

Stockholders' Equity (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2025
Stockholders' Equity Note [Abstract] |
Authorized and outstanding equity | APAM had the following authorized and outstanding equity as of September 30, 2025 and December 31, 2024:
|  |  | Outstanding |  |  |  |
| Authorized |  | As of September 30, 2025 |  | As of December 31, 2024 |  | Voting Rights (1) |  | Economic Rights
Common shares |  |  |  |  |  |  |  |  |
Class A, par value $0.01 per share | 500,000,000 |  |  | 70,461,656 |  |  | 70,074,120 |  |  | 1 vote per share |  | Proportionate
Class B, par value $0.01 per share | 200,000,000 |  |  | 1,221,063 |  |  | 1,574,068 |  |  | 1 vote per share |  | None
Class C, par value $0.01 per share | 400,000,000 |  |  | 9,014,456 |  |  | 8,712,951 |  |  | 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, 2025, Artisan’s employees held 5,054,024 restricted shares of Class A common stock and all 1,221,063 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 and nine months ended September 30, 2025 and 2024:
Type of Dividend |  | Class of Stock |  | For the Three Months Ended September 30, |  | For the Nine Months Ended September 30,
|  |  |  | 2025 |  | 2024 |  | 2025 |  | 2024
Quarterly |  | Class A Common |  | $ | 0.73 |  |  | $ | 0.71 |  |  | $ | 2.25 |  |  | $ | 2.00 |
Special Annual |  | Class A Common |  | $ | — |  |  | $ | — |  |  | $ | 0.50 |  |  | $ | 0.34 |
Issuance (Cancellation) of Shares Disclosure | The following table summarizes APAM’s stock transactions for the nine months ended September 30, 2025:
| Total Stock Outstanding |  | Class A Common Stock(1) |  | Class B Common Stock |  | Class C Common Stock |  |
Balance at December 31, 2024 | 80,361,139 |  |  | 70,074,120 |  |  | 1,574,068 |  |  | 8,712,951 |  |  |
Holdings Common Unit Exchanges | — |  |  | 51,500 |  |  | (51,500) |  |  | — |  |  |
Restricted Share Award Grants | 429,511 |  |  | 429,511 |  |  | — |  |  | — |  |  |
Restricted Share Award Net Share Settlement | (187,311) |  |  | (187,311) |  |  | — |  |  | — |  |  |
Delivery of Shares Underlying RSUs and PSUs | 106,125 |  |  | 106,125 |  |  | — |  |  | — |  |  |
Employee/Partner Terminations | (12,289) |  |  | (12,289) |  |  | (301,505) |  |  | 301,505 |  |  |
Balance at September 30, 2025 | 80,697,175 |  |  | 70,461,656 |  |  | 1,221,063 |  |  | 9,014,456 |  |  |
(1) There were 378,968 and 395,965 restricted stock units outstanding at September 30, 2025 and December 31, 2024, respectively. In addition, there were 152,207 and 176,192 performance share units outstanding at September 30, 2025 and December 31, 2024, respectivel y. All 152,207 performance share units outstanding as of September 30, 2025 have met the required performance conditions for vesting, but remain outstanding subject to a qualifying retirement vesting condition. |
Schedule of Distributions made to General and Limited Partners | The distributions are recorded in the financial statements on the declaration date, or on the payment date in lieu of a declaration date. Holdings’ partnership distributions for the three and nine months ended September 30, 2025 and 2024 were as follows:
| For the Three Months Ended September 30, |  | For the Nine Months Ended September 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Holdings Partnership Distributions to Limited Partners | $ | 14,735 |  |  | $ | 13,244 |  |  | $ | 36,967 |  |  | $ | 33,445 |
Holdings Partnership Distributions to APAM | 96,283 |  |  | 84,370 |  |  | 239,838 |  |  | 208,401 |
Total Holdings Partnership Distributions | $ | 111,018 |  |  | $ | 97,614 |  |  | $ | 276,805 |  |  | $ | 241,846 |

X
- Definition Schedule of Distributions made to General and Limited Partners + References No definition available. + Details
Name: | apam_ScheduleOfDistributionsMadeToGeneralAndLimitedPartnersTableTextBlock
Namespace Prefix: | apam_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information related to dividends declared, including paid and unpaid dividends. + References No definition available. + Details
Name: | us-gaap_DividendsDeclaredTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of sales of stock or previously unissued stock made by subsidiary or equity method investee to investors outside the consolidated group. This includes stock issued in a business combination in exchange for shares of an acquired entity. + References No definition available. + Details
Name: | us-gaap_ScheduleOfSaleOfStockBySubsidiaryOrEquityMethodInvesteeDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-2 + Details
Name: | us-gaap_ScheduleOfStockholdersEquityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_StockholdersEquityNoteAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration