Marathon-London
Marathon-London is an SEC-registered investment adviser based in London, United Kingdom that reports managing 8 hedge funds on Form ADV. It reports $39.0 billion in regulatory assets under management. Its private funds, of all types, hold $6.3 billion in gross assets. Its disclosed U.S. stock holdings returned an estimated +8.7% 2026 YTD through Jun 30 (S&P 500: +9.5%), based on 13F filings. Over a longer period they returned an estimated +35.9% from Q3 2024 to Q2 2026, compared with +37.2% for the S&P 500, based on 13F filings.
- Regulatory assets under management
- $39.0 billionForm ADV Item 5.F
- Gross assets of private funds
- $6.3 billionAll private fund types, Form ADV
- Hedge funds managed
- 88 private funds in total
- Employees
- 74Form ADV Item 5.A
- Registration
- SEC-registered adviserCRD 132391
- Latest Form ADV
- 05/05/2026Disciplinary disclosures: none reported
Estimated 13F portfolio performance
| Quarter | Est. 13F return | S&P 500 |
|---|---|---|
| Q2 2026 | +11.7% | +14.8% |
| Q1 2026 | -2.7% | -4.6% |
| Q4 2025 | +1.4% | +2.4% |
| Q3 2025 | +5.5% | +7.8% |
| Q2 2025 | +12.5% | +10.4% |
| Q1 2025 | -3.3% | -4.5% |
| Q4 2024 | +0.6% | +2.1% |
| Q3 2024 | +6.8% | +5.4% |
Estimate of the firm's disclosed long U.S. stock portfolio from its quarterly 13F filings, holding each quarter-end portfolio to the next quarter-end at prices implied by all 13F filers. It is a price return before dividends and fees, ignores shorts, options, bonds, cash and trading within the quarter, and is not the return of any fund. Disclosures
Largest disclosed holdings
- CNH Industrial NV$126.3 million
- Alphabet, Inc Voting Class$108.0 million
- Coca-cola European Partners P$103.8 million
- Amazon Com Inc Com$101.9 million
- Millicom Intl Cellular S A$96.8 million
- Elevance Health Inc Formerly$84.9 million
- Southern Copper Corp$83.0 million
- Bank Nova Scotia Halifax$82.6 million
- Brookfield Corp$72.7 million
- Copa Holdings SA F Class A$64.5 million
As of 2026-06-30, from 13F filing by Marathon Asset Management Ltd.
From SEC filings. Firm data comes from the SEC's Form ADV data as of Oct 2, 2026; performance estimates come from Form 13F. HedgeMountain has not verified this information, and it is not an offer, solicitation or recommendation. Full disclosures