Isabella Capital Management LLP
Isabella Capital Management LLP is an exempt reporting adviser based in Westminster, London, United Kingdom that reports managing 1 hedge fund on Form ADV. Its private funds, of all types, hold $277.4 million in gross assets. Its disclosed U.S. stock holdings returned an estimated -0.8% 2026 YTD through Jun 30 (S&P 500: +9.5%), based on 13F filings. Over a longer period they returned an estimated -0.8% from Q1 2026 to Q2 2026, compared with +9.5% for the S&P 500, based on 13F filings.
- Regulatory assets under management
- —Form ADV Item 5.F
- Gross assets of private funds
- $277.4 millionAll private fund types, Form ADV
- Hedge funds managed
- 11 private funds in total
- Employees
- —Form ADV Item 5.A
- Registration
- Exempt reporting adviserCRD 337760
- Latest Form ADV
- 05/12/2026Disciplinary disclosures: none reported
Estimated 13F portfolio performance
| Quarter | Est. 13F return | S&P 500 |
|---|---|---|
| Q2 2026 | +0.5% | +14.8% |
| Q1 2026 | -1.3% | -4.6% |
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
- Ishares Iboxx High YLD Corp$15.6 million
- 02079k404$505,640
- 02079k602$500,847
As of 2026-06-30, from 13F filing by Isabella Capital Management LLP.
Hedge funds filing Form D (3)
Matched to this firm by the fund names and related persons in each Form D. The list may be incomplete.
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