Below is a list of the largest UK asset managers ranked by total global AUM. Legal & General Investment Management (LGIM) is the largest fund manager responsible for more than US$1.4 trillion of assets under management.

Rank Company Total Assets under Management
(USD billion)
Balance sheet
1 Legal & General Investment 1,440 06/30/2019
2 Insight Investment 842.0 06/30/2019
3 Prudential plc 833.7 12/31/2018
4 Standard Life Aberdeen * 669.1 06/30/2019
5 Schroder Investment Management 565.5 06/30/2019
6 HSBC Global Asset Management 507.3 06/30/2019
7 Aviva Investors 439.2 06/30/2019
8 M&G Prudential 432.7 06/30/2019
9 Janus Henderson Investors ** 359.8 06/30/2019
10 Baillie Gifford 262.7 06/30/2019
11 Royal London Asset Management 164.3 06/30/2019
12 Man Group 114.4 06/30/2019
13 Ashmore Group 91.80 06/30/2019
14 Northill Capital LLP 82.50 03/31/2019
15 Walter Scott & Partners 69.00 06/30/2019
16 Newton Investment Management 63.80 06/30/2019
17 BlueBay Asset Management 60.00 03/31/2019
18 Record Currency Management 58.30 06/30/2019
19 Jupiter Fund Management 58.25 06/30/2019
20 Mondrian Investment Partners 51.00 06/30/2019
21 Kames Capital 47.46 06/30/2019
22 Pantheon Ventures (UK) LLP 46.30 03/31/2019
23 Colchester Global Investors 44.07 12/31/2018
24 Intermediate Capital Group (ICG) 43.88 06/30/2019
25 JO Hambro Capital Management 38.10 06/30/2019
26 Artemis Investment Management (Artemis Fund Managers) 33.20 08/31/2019
27 Winton Group 23.60 12/31/2018
28 Savills Investment Management 21.03 09/20/2019
29 Veritas Asset Management 19.74 12/31/2018
30 Genesis Asset Managers 18.23 12/31/2018
31 Majedie Asset Management 16.00 06/30/2019

* Standard Life Aberdeen plc operatates under the brand Aberdeen Standard Investments. The company was created in 2017 from the merger of Standard Life plc and Aberdeen Asset Management.
** Janus Henderson Investors was formed from the merger of Janus Capital Group and Henderson Global Investors in May 2017.

August 15, 2019
M&G Prudential have announced its intention to list its shares under the name M&G plc when it demerges from Prudential plc later this year.