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Marathon Asset Management Limited

SEC-registered adviser since 2004London, United KingdomCRD 132391

42
Clients
16
Advisory staff

From Form ADV filed 5 May 2026 · data retrieved 15 October 2026SEC record

Marathon Asset Management Limited is an investment adviser headquartered in London, United Kingdom, and registered with the SEC since 2004. Its clients include pooled investment vehicles, state or municipal government entities and investment companies.

Its services include portfolio management for investment companies, portfolio management for pooled vehicles and portfolio management for institutions. Fee arrangements include a percentage of assets under management and performance-based fees. William Arah owns 75% or more of Marathon Asset Management Limited.

Clients

Marathon Asset Management Limited serves 42 clients, 18 of them pooled investment vehicles. The average client has about $930 million with the firm.

Regulatory assets by client type
  • Investment companies3 clients23%
  • Pooled investment vehicles18 clients28%
  • Pension and profit-sharing plans7 clients4%
  • Charitable organizations14%
  • State or municipal government entities14 clients25%
  • OtherSovereign wealth funds and foreign official institutions, Insurance companies, Corporations and other businesses6%
Show client breakdown
Investment companies
Clients
3
Regulatory AUM
$8,881,644,639
Share
22.7%
Avg. per client
$2.96B
Pooled investment vehicles
Clients
18
Regulatory AUM
$11,064,047,455
Share
28.3%
Avg. per client
$614.7M
Pension and profit-sharing plans
Clients
7
Regulatory AUM
$1,387,459,218
Share
3.6%
Avg. per client
$198.2M
Charitable organizations
Clients
Not reported
Regulatory AUM
$5,442,030,170
Share
13.9%
Avg. per client
—
State or municipal government entities
Clients
14
Regulatory AUM
$9,816,126,050
Share
25.1%
Avg. per client
$701.2M
Insurance companies
Clients
Not reported
Regulatory AUM
$232,457,972
Share
0.6%
Avg. per client
—
Sovereign wealth funds and foreign official institutions
Clients
Not reported
Regulatory AUM
$2,101,357,721
Share
5.4%
Avg. per client
—
Corporations and other businesses
Clients
Not reported
Regulatory AUM
$117,148,993
Share
0.3%
Avg. per client
—

Total

Clients
42
Regulatory AUM
$39,042,272,218
Share
100%
Avg. per client
$929.6M

What it does

Marathon Asset Management Limited provides portfolio management for investment companies, portfolio management for pooled vehicles and portfolio management for institutions. It is paid through a percentage of assets and performance-based fees.

Marathon Asset Management Limited advises 8 private funds.

100.0% of assets ($39.04B across 50 accounts) are managed with discretion. 46% of clients are outside the U.S., and 0 clients received advice without assets under management last fiscal year.

What the accounts hold

Separately managed account assets by class, year end
  • Stocks97%
  • Cash2%

Filed values cover 99%. The neutral 1% gap has no reported category.

Custodians

Marathon Asset Management Limited’s client accounts are held mainly at State Street Bank and Trust, with 24% of managed assets, and The Bank of New York Mellon, with 16%. Marathon Asset Management Limited has custody of client assets.

Managed account assets by custodian
  • The Bank of New York MellonThe Bank of New York Mellon Corporation · New York, NY · $6.12B16%
  • State Street Bank and TrustState Street Bank and Trust Company · Boston, MA · $9.24B24%
  • The Hongkong and Shanghai Banking Corporation LimitedThe Hongkong and Shanghai Banking Corporation Limited · London · $2.10B5%
  • All other custodians$21.57B55%

Ownership and leadership

William Arah owns 75% or more of Marathon Asset Management Limited.

Who owns the firm
Marathon Asset Management Limited· the adviser
  • William Arah

    Control person · since November 2003

    Owns 75% or more of Marathon Asset Management Limited
  • M.a.m Investments LTD

    Control person · since August 2021

    Owns 10% to 25% of Marathon Asset Management Limited

Leadership

  • James Beveridge
    Chief Financial Officer
  • William Arah
    Director
  • James Bennett
    Chief Risk and Compliance Officer
  • Charles Carter
    Managing Director
  • Dianna Gonzalesburdin
    Non-Executive Director
  • Robert Hingley
    Chair
  • Claire Holdsworth
    General Counsel
  • Jeremy Hosking
    Retired Non-Executive Shareholder
  • Neil Ostrer
    Non-Executive Director

Staff

  • 74 employees
  • 16 in advisory functions

Reported holdings

Marathon Asset Management Limited’s reported 13F holdings total $2.46B across 74 positions, and the ten largest make up 37.6% of it.

$2.46B
Reported 13F value
74
Positions
37.6%
In the 10 largest
−5.6%
Value vs. prior quarter
Ten largest positions, share of reported value
  1. Cnh Indl N V5.1%
  2. Alphabet Inc.4.4%
  3. Coca-cola Europacific Partne4.2%
  4. Amazon Com Inc.4.1%
  5. Millicom Intl Cellular S A3.9%
  6. Elevance Health Inc. Formerly3.4%
  7. Southern Copper Corp.3.4%
  8. Bank Nova Scotia B C3.4%
  9. Brookfield Corp.3.0%
  10. Copa Holdings SA2.6%

Together, the ten largest are 37.6% of reported value.

The 50 largest positions and quarterly changesQuarter ended 30 June 2026 · filed 14 August 2026

A 13F covers only exchange-traded long positions the firm holds with discretion, so this $2.46B is not its $39.04B in regulatory assets and does not represent any individual client's portfolio.

Fees

Marathon Asset Management Limited is paid through a percentage of assets under management and performance-based fees.

Marathon Asset Management Limited’s fee rates are not included in this profile. Find its brochure on the SEC’s site.

Offices and registrations

Besides its headquarters, Marathon Asset Management Limited has 0 offices, with 1 listed address with no US state reported.

Registration details

Legal name
Marathon Asset Management Limited
Headquarters
The Floral Building, 27b Floral Street, London, United Kingdom WC2E 9DP
Website
Not reported
SEC file
801-63397
Structure
other (specify) organized in United Kingdom
Fiscal year end
March

This directory does not report disciplinary history, for any firm or individual, in either direction. The SEC publishes the complete record, including any disciplinary events, and it is the authoritative place to check one. See this firm's record on adviserinfo.sec.gov

Common questions

How many clients does Marathon Asset Management Limited have?

Marathon Asset Management Limited has 42 clients and manages $39 billion for them, as of May 2026. They include 18 pooled investment vehicles, 14 state or municipal government entities and 7 pension and profit-sharing plans.

Source: Form ADV Part 1A, Items 5.D and 5.F, filed 5 May 2026

What services does Marathon Asset Management Limited offer?

Marathon Asset Management Limited provides portfolio management for investment companies, portfolio management for pooled vehicles and portfolio management for institutions.

Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file

Which custodians does Marathon Asset Management Limited use?

Marathon Asset Management Limited’s separately managed account assets are held at State Street Bank and Trust Company (Boston, MA), with $9,244,753,089, The Bank of New York Mellon Corporation (New York, NY), with $6,124,631,604 and The Hongkong and Shanghai Banking Corporation Limited (London), with $2,101,357,721. Only custodians holding at least a tenth of those assets are named.

Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 5 May 2026

How many financial advisors does Marathon Asset Management Limited have?

Marathon Asset Management Limited has 0 investment adviser representatives registered with state securities authorities, out of 74 employees, and 16 perform investment advisory functions. None are registered representatives of a broker-dealer or licensed insurance agents.

Source: Form ADV Part 1A, Items 5.A and 5.B, from the SEC's 2 October 2026 data file

What does Marathon Asset Management Limited invest in?

At the end of its last fiscal year, Marathon Asset Management Limited’s separately managed accounts held 97% exchange-traded equities and 2% cash and equivalents. It advises 8 private funds.

Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file

Who owns Marathon Asset Management Limited?

Marathon Asset Management Limited is owned through a chain of holding companies by Neil Mark Ostrer and Jeremy Hosking. Its direct owners are William Arah (75% or more) and M.a.m Investments LTD (10% to 25%).

Source: Form ADV Part 1A, Schedules A and B, filed 5 May 2026

How does Marathon Asset Management Limited get paid?

Marathon Asset Management Limited is paid through a percentage of assets under management and performance-based fees. Its Form ADV lists no commissions among how it is paid.

Source: Form ADV Part 1A, Item 5.E, from the SEC's 2 October 2026 data file

Sources

  1. Form ADV Part 1A, amendment filed 5 May 2026. Items 1, 5, 9, 11 and Schedules A, B and D.
  2. IAPD firm record, CRD 132391.
  3. Form 13F-HR, filed 14 August 2026 for the quarter ended 30 June 2026.

Retrieved 15 October 2026. All are published by the SEC and may have been amended since.

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This profile is compiled from public regulatory filings and is provided for informational purposes only. Niva Wealth is not affiliated with Marathon Asset Management Limited and makes no representation about the quality of its services. Figures reflect the filing dates shown and may have changed. Ownership percentages are the bands reported to the SEC, not exact figures.