Exhibit 21.1

SCHEDULE OF SUBSIDIARIES

(in alphabetical order)

Below is a list comprised of (i) wholly-owned subsidiaries of Affiliated Managers Group, Inc. (the “Company”), (ii) Affiliates in which the Company has a majority interest (direct and indirect) and (iii) Affiliates in which the Company has a minority investment (direct and indirect), as of December 31, 2022. Subsidiaries of majority- and minority-owned Affiliates are not listed. Minority investments are indicated via asterisk (*).

Abacos Atlantic Holdings Ltd., a Bahamas international business company

Abacus Capital Group LLC, a Delaware limited liability company

Abax Investments Proprietary Limited, a limited liability private company incorporated in South Africa*

Affiliated Managers Group (Asia) Limited, a Cayman Islands exempted company

Affiliated Managers Group (Europe) Limited, a Malta limited liability company

Affiliated Managers Group (Hong Kong) Limited, a limited company incorporated in Hong Kong

Affiliated Managers Group Limited, a limited company incorporated in the United Kingdom

Affiliated Managers Group Pty Ltd, a limited company incorporated in Australia

AMG 2014 Capital LLC, a Delaware limited liability company

AMG Andros Holdings Ltd., a Bahamas international business company

AMG Arrow Holdings Ltd., a Bahamas international business company

AMG Atlantic Holdings Ltd., a Bahamas international business company

AMG Boston Holdings, LLC, a Delaware limited liability company

AMG CA Holdings Corp., a New Jersey corporation

AMG CA Holdings, LLC, a Delaware limited liability company

AMG CA Holdings LP, a Delaware limited partnership

AMG Canada Corp., a Nova Scotia corporation

AMG Canada Holdings LLC, a Delaware limited liability company

AMG Capital (Cayman) LLC, a Cayman Islands limited liability company

AMG Conception Holdings 3 Ltd., a Bahamas international business company

AMG CVC Holdings LLC, a Delaware limited liability company

AMG Distributors, Inc., a Delaware corporation

AMG Edison Holdings, LLC, a Delaware limited liability company

AMG FCMC Holdings, LLC, a Delaware limited liability company

AMG Funds LLC, a Delaware limited liability company

AMG Gamma Holdings Ltd., a Bahamas international business company

AMG Genesis, LLC, a Delaware limited liability company

AMG Global, Inc., a Delaware corporation

AMG Gotham Holdings, LLC, a Delaware limited liability company

AMG GWK Holdings, LLC, a Delaware limited liability company

AMG ICN Holdings LLC, a Delaware limited liability company

AMG New York Holdings Corp., a Delaware corporation

AMG Northeast Holdings, Inc., a Delaware corporation

AMG Northeast Investment Corp., a Delaware corporation

AMG Oasis Holdings Ltd., a Bahamas international business company

AMG PA Holdings Partnership, a Delaware general partnership

AMG PCM Acquisition I, LLC, a Delaware limited liability company

AMG PCM Acquisition II, LLC, a Delaware limited liability company

AMG PFM Holdings LP, a Delaware limited partnership

AMG Plymouth UK Holdings (1) Limited, a limited company incorporated in England and Wales

AMG Properties LLC, a Delaware limited liability company

AMG Renaissance Holdings LLC, a Delaware limited liability company

AMG Rose Holdings I, LLC, a Delaware limited liability company

AMG Rose Holdings II, LLC, a Delaware limited liability company

AMG SA Holdings Proprietary Limited, a limited liability private company incorporated in South Africa

AMG Symmetry Acquisition LLC, a Delaware limited liability company

AMG TBC, LLC, a Delaware limited liability company

AMG UK Holdings Ltd., a Bahamas international business company

AMG Wealth Partners, LP, a Delaware limited partnership

AMG WF Holdings LLC, a Delaware limited liability company

AMG Windermere Holdings Ltd., a Bahamas international business company

AMG WP GP Holdings Corp., a Delaware corporation

AMG WP LP Holdings, LLC, a Delaware limited liability company

AMG/FAMI Investment Corp., a Nova Scotia corporation

AMG/Midwest Holdings, Inc., a Delaware corporation

AMG/Midwest Holdings, LLC, a Delaware limited liability company

AMG/North America Holding Corp., a Delaware corporation

AQR Capital Management Holdings, LLC, a Delaware limited liability company*

Arrow Acquisition LLC, a Delaware limited liability company

Arrow Bidco Limited, a limited company incorporated in the United Kingdom

Artemis Asset Management Limited, a limited company incorporated in the United Kingdom

Artemis Investment Management LLP, a United Kingdom limited liability partnership

Artemis Strategic Asset Management Limited, a limited company incorporated in the United Kingdom

Baker Street Advisors LLC, a Delaware limited liability company

BC Acquisition LLC, a Delaware limited liability company

Beutel, Goodman & Company Ltd., a limited company incorporated in Canada*

Bimini Atlantic Holdings Ltd., a Bahamas international business company

Boston Common Asset Management, LLC, a Delaware limited liability company*

Capeview Capital LLP, an England and Wales limited liability partnership*

Capula Investment Management LLP, an England and Wales limited liability partnership*

Capula Management Limited, a Cayman Islands exempted company*

Catalyst Acquisition II, Inc., a Delaware corporation

CGH Acquisition II LLC, a Delaware limited liability company

CGH Acquisition LLC, a Delaware limited liability company

CML Holdings LLC, a Cayman Islands limited liability company

Comvest Group Holdings LP, a Delaware limited partnership*

Comvest Group GP II LLC, a Delaware limited liability company*

CVC Holdings LLC, a Cayman Islands limited liability company

EIG Asset Management, LLC, a Delaware limited liability company*

EIG Principals Incentive Carry Vehicle, LP, a Delaware limited partnership*

EIG Principals Incentive Carry Vehicle II, LP, a Delaware limited partnership*

EIG Principals Incentive Carry Vehicle II-A, LP, a Scotland limited partnership*

EIG Principals Incentive Carry Vehicle III, LP, a Cayman Islands limited partnership*

FA (WY) Acquisition Company, Inc., a Delaware corporation

El-Train Acquisition LLC, a Delaware limited liability company

FCMC Holdings LLC, a Delaware limited liability company

First Asset Capital Management (III) Inc., an Ontario corporation

First Quadrant, LLC, a Delaware limited liability company

Foyston, Gordon & Payne Inc., a Canada corporation

Frontier Capital Management Company, LLC, a Delaware limited liability company

Gallium Acquisition LLC, a Delaware limited liability company

Garda Capital Partners LP, a Delaware limited partnership*

GCP Acquisition LLC, a Delaware limited liability company

Genesis Investment Management, LLP, a United Kingdom limited liability partnership

Gotham Acquisition GP, LLC, a Delaware limited liability company

Gotham Acquisition LP, LLC, a Delaware limited liability company

GW&K Investment Management, LLC, a Delaware limited liability company

Harding Loevner LP, a Delaware limited partnership

HWL Holdings Corp., a Delaware corporation

Inclusive Capital Partners Holdco, L.P., a Delaware limited partnership*

Institutional Capital Network, Inc., a Delaware corporation*

Jackson Square Partners, LLC, a Delaware limited liability company*

JSP Acquisition LLC, a Delaware limited liability company

Montrusco Bolton Investments Inc., a Canada corporation*

myCIO Wealth Partners, LLC, a Delaware limited liability company

OCP Asia Limited, a Cayman Islands exempted limited company*

Pantheon Capital (Asia) Limited, a limited company incorporated in Hong Kong

Pantheon Holdings Limited, a limited company incorporated in England and Wales

Pantheon (UK) GP LLP, a Scotland limited liability partnership

Pantheon Ventures (Asia) Limited, a Cayman Islands exempted company

Pantheon Ventures Inc., a California corporation

Pantheon Ventures (Ireland) Designated Activity Company, an Ireland designated activity company

Pantheon Ventures Limited, a limited company incorporated in England and Wales

Pantheon Ventures (UK) LLP, an England and Wales limited liability partnership

Parnassus Investments, LLC, a Delaware limited liability company

Partner Advisory Services, L.P., a Delaware limited partnership*

Partner Asset Management LLC, a Delaware limited liability company*

PCM OpCo I, LLC, a Delaware limited liability company*

PCM OpCo II, LLC, a Delaware limited liability company*

PFM Acquisition LP, a Delaware limited partnership

Plymouth (UK) GP Holdings I Limited, a limited company incorporated in England and Wales

Plymouth (UK) GP Holdings II Limited, a limited company incorporated in England and Wales

Prides Crossing Holdings LLC, a Delaware limited liability company

River Road Asset Management, LLC, a Delaware limited liability company

RRAM Acquisition, LLC, a Delaware limited liability company

Spring GP I, L.P., a Delaware limited partnership*

Squam Acquisition GP, LLC, a Delaware limited liability company

Squam Acquisition LP, LLC, a Delaware limited liability company

Systematic Financial Management, L.P., a Delaware limited partnership

Systematica Investments GP Limited, a registered private company incorporated in Jersey*

Systematica Investments Limited, a registered private company incorporated in Jersey*

Systematica Investments LP, a Guernsey limited partnership*

The Renaissance Group LLC, a Delaware limited liability company

Third Avenue Holdings Delaware LLC, a Delaware limited liability company

TimesSquare Capital Management, LLC, a Delaware limited liability company

TimesSquare Manager Member, LLC, a Delaware limited liability company

Titan NJ GP Holdings, Inc., a Delaware corporation

Titan NJ LP Holdings, LLC, a Delaware limited liability company

TMF Corp., a Delaware corporation

Topspin Acquisition, LLC, a Delaware limited liability company

Tweedy, Browne Company LLC, a Delaware limited liability company

Union Acquisition, LLC, a Delaware limited liability company

ValueAct Holdings II, L.P., a Delaware limited partnership*

ValueAct Holdings GP, LLC, a Delaware limited liability company*

ValueAct Holdings, L.P., a Delaware limited partnership*

VAM Bidco Limited, a private UK limited company

Veritable, LP, a Delaware limited partnership

Veritas Asset Management LLP, a UK limited liability partnership

Watson Acquisition, LLC, a Delaware limited liability company

Wealth Partners Capital Group, LLC, a Delaware limited liability company*

Welch & Forbes LLC, a Delaware limited liability company

Windermere Cayman LP, a Cayman Islands exempted limited partnership

Winton Group Limited, a UK private limited company*

Yacktman Asset Management LP, a Delaware limited partnership