Here is a list of asset management companies and their short description.

Affiliated Managers Group (AMG)

AllianceBernstein (AB)

Amundi

APG Group

Artemis Investment Management (Artemis Fund Managers)

Ashmore Group

Asset Management One (AM-One)

Aviva Investors

Baillie Gifford

BlackRock

Blackstone Group

BlueBay Asset Management

Brown Advisory

Capital Group

Citi Private Bank

Colchester Global Investors

Columbia Threadneedle Investments

CVC Capital Partners

Daiwa SB Investments

Dimensional Fund Advisors

Eaton Vance Corp

Federated Investors

Fidelity Investments

Franklin Templeton Investments (Franklin Resources Inc)

Genesis Asset Managers

Geode Capital Management

HSBC Global Asset Management

Insight Investment

Intermediate Capital Group (ICG)

Invesco Ltd

Janus Henderson Investors

JO Hambro Capital Management

JP Morgan Asset Management

Jupiter Fund Management

Kames Capital

Legal & General Investment Management

Legg Mason

M&G Investments

Majedie Asset Management

Man Group

Marathon Asset Management

MFS Investment Management

Mondrian Investment Partners

MUFG Assets Under Management

Natixis Investment Managers

New York Life Insurance Company

Newton Investment Management

Nomura Asset Management (NAM)

Northern Trust

Northill Capital LLP

Nuveen

Pantheon Ventures (UK) LLP

PIMCO

Record Currency Management

Royal London Asset Management

Savills Investment Management

Schroder Investment Management

Standard Life Aberdeen

State Street Global Advisors

Sumitomo Mitsui Trust (SuMi Trust)

T. Rowe Price

Vanguard Group

Veritas Asset Management

Walter Scott & Partners

Wellington Management Company

Winton Group