Marathon-London is an SEC registered investment adviser. Its latest Form ADV filing, dated January 28, 2026, reports $37.4B in regulatory assets under management, 77 employees, and 50 accounts.
Assets Under Management
$37.4B
Employees
77
Offices
--
Total Clients
45
Primary office
LONDON
THE FLORAL BUILDING, 27B FLORAL STREET, LONDON, United Kingdom
Portfolio management for pooled investment vehicles
Fee models offered
2 types reported
Asset based fees
Performance-based fees
Sources checked May 17, 2026
Client Coverage Demographics
Top client segmentPooled Investment Vehicles represent 42.2% of total clients.
Top client categories% of clientsClients
1
Pooled Investment Vehicles
42.2%
19
2
Government
28.9%
13
3
Pension Plans
22.2%
10
4
Investment Cos.
6.7%
3
Categories with <5 clients
Charitable Organizations<5 clients
Corporations or other businesses not listed above<5 clients
Other categories<5 clients
Regulatory Assets Under Management Breakdown
Total regulatory assets under management$37.4Bas of January 28, 2026
Discretionary100.0%
$37.4B
100% of total RAUM100.0%
Non-discretionary0.0%
$0
0% of total RAUM0.0%
All regulatory assets under management are discretionary.
Assets under management Growth by Quarter
Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.
Total AUM$37.4B
Total Accounts50
10Y AUM Change$-15.2B (-28.9%)
Employee Growth by Quarter
Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.
Total Employees77
Clients per Employee1:1
10Y Employee Change+4 (+5.5%)
* Metrics are based on the latest available data, including Form ADV filings, brochures, and relationship summaries pulled from the SEC IAPD, and may be subject to change. Learn what is included in the Rialytix data. Please refer to the firm's official disclosures for the most accurate information using their CRD number. This is not investment advice.