Marble Bar Asset Management LLP
Marble Bar Asset Management LLP is an SEC-registered investment adviser based in London, United Kingdom that reports managing 6 hedge funds on Form ADV. It reports $3.6 billion in regulatory assets under management. Its private funds, of all types, hold $3.2 billion in gross assets. Over a longer period they returned an estimated +5.2% from Q2 2026 to Q2 2026, compared with +14.8% for the S&P 500, based on 13F filings.
- Regulatory assets under management
- $3.6 billionForm ADV Item 5.F
- Gross assets of private funds
- $3.2 billionAll private fund types, Form ADV
- Hedge funds managed
- 66 private funds in total
- Employees
- 70Form ADV Item 5.A
- Registration
- SEC-registered adviserCRD 160882
- Latest Form ADV
- 09/01/2026Disciplinary disclosures: none reported
Estimated 13F portfolio performance
| Quarter | Est. 13F return | S&P 500 |
|---|---|---|
| Q2 2026 | +5.2% | +14.8% |
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
- Warner Bros Discovery Inc Com Ser A$47.7 million
- Echostar Corp$36.6 million
- Medical Properties Trust Inc$7.3 million
- Anterix Inc$7.0 million
- Commscope$4.4 million
- Liberty Media Corp Del$2.7 million
- Electronic Arts Inc Com$2.7 million
- International Game Tech PLC$2.6 million
- United Airls Hldgs Inc$2.0 million
- Ftai Aviation LTD SHS$1.8 million
As of 2026-06-30, from 13F filing by Marble Bar Asset Management LLP.
Private funds reported on Form ADV (5)
As reported in the adviser's Form ADV filed Nov 12, 2024. Funds also listed from Form D are shown above.
From SEC filings. Firm data comes from the SEC's Form ADV data as of Oct 2, 2026; performance estimates come from Form 13F. AltMountain has not verified this information, and it is not an offer, solicitation or recommendation. Full disclosures