AltMountain

Capstone Blue Fund Ltd.

George Town, Grand Cayman, Cayman Islands · CIK 1803807 · Managed by Capstone Investment Advisors, LLC
Offshore

Capstone Blue Fund Ltd. is a hedge fund based in George Town, Grand Cayman, Cayman Islands. According to its most recent Form D, filed May 21, 2026, the fund has sold $61,000,000 of interests to 1 investor since its first sale in Jan 2020. The minimum investment it accepts from an outside investor is $100,000. It relies on the Section 3(c)(7) exclusion, so investors generally must be qualified purchasers. The offering uses Rule 506(b), which does not permit general solicitation. Related persons named in the filing include Paul Britton; Capstone Investment Advisors, LLC; Boris Onefater.

Performance

13F estimate · public data only

No verified returns have been reported for this fund. As a rough guide, Capstone Investment Advisors, LLC, which manages it, disclosed U.S. stock holdings that returned an estimated +7.3% 2026 YTD through Jun 30 (S&P 500: +9.5%), based only on its public 13F filings. Over a longer period, Q3 2024 to Q2 2026, the estimate is +55.9% (S&P 500: +37.2%).

This estimate covers the firm's whole disclosed long U.S. stock portfolio. It is not this fund's return and excludes dividends, fees, shorts, derivatives, bonds, cash and trading within each quarter.

Is this your fund? Report your monthly returns · How performance works

Total raised
$61,000,000Cumulative sales reported on Form D
Investors
1
First sale
Jan 27, 2020
Minimum investment
$100,000
Who can invest
Qualified purchasersSection 3(c)(7): generally $5M+ in investments
Offering exemption
Rule 506(b)No general advertising
Key people and entities
Paul Britton; Capstone Investment Advisors, LLC; Boris Onefater
Latest Form D
May 21, 2026

From SEC filings, not verified. This page republishes the fund's Form D as filed. It is not an offer, solicitation or recommendation, and AltMountain has not reviewed the fund. “Raised” is cumulative sales, not current assets or performance. Private funds are speculative, illiquid and generally limited to accredited investors or qualified purchasers. Full disclosures · Request a correction

Questions about Capstone Blue Fund Ltd.

What is the minimum investment for Capstone Blue Fund Ltd.?

According to its latest Form D, filed May 21, 2026, the minimum investment Capstone Blue Fund Ltd. accepts from an outside investor is $100,000.

Who can invest in Capstone Blue Fund Ltd.?

Capstone Blue Fund Ltd. is generally open only to qualified purchasers (generally individuals with at least $5 million in investments), because it relies on Section 3(c)(7). It uses Rule 506(b), which does not allow general advertising.

How much has Capstone Blue Fund Ltd. raised?

Capstone Blue Fund Ltd. reports $61,000,000 sold from 1 investor on its Form D filed May 21, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is Capstone Blue Fund Ltd. based?

Capstone Blue Fund Ltd. is based in George Town, Grand Cayman, Cayman Islands and is managed by Capstone Investment Advisors, LLC.

When did Capstone Blue Fund Ltd. launch?

Capstone Blue Fund Ltd. reports its first sale in Jan 2020.

Size compared with every hedge fund

Raised more than 42% of the 2,363 hedge funds based in Cayman Islands, and more than 49% of all 10,308 that report sales.

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