AltMountain

Keystone US Fund

George Town Grand Cayman, Cayman Islands · CIK 1926276
Offshore

Keystone US Fund is a hedge fund based in George Town Grand Cayman, Cayman Islands. According to its most recent Form D, filed Jun 12, 2026, the fund has sold $101,650,000 of interests to 15 investors since its first sale in Jun 2022. The minimum investment it accepts from an outside investor is $1,000,000. 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 Simon Cox; Xuan Liu; Josephine Orgill.

Performance

No verified returns have been reported for this fund. Hedge fund returns are not part of SEC filings; managers report them to AltMountain directly.

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Total raised
$101,650,000Cumulative sales reported on Form D
Investors
15
First sale
Jun 1, 2022
Minimum investment
$1,000,000
Who can invest
Qualified purchasersSection 3(c)(7): generally $5M+ in investments
Offering exemption
Rule 506(b)No general advertising
Key people and entities
Simon Cox; Xuan Liu; Josephine Orgill
Latest Form D
Jun 12, 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 Keystone US Fund

What is the minimum investment for Keystone US Fund?

According to its latest Form D, filed Jun 12, 2026, the minimum investment Keystone US Fund accepts from an outside investor is $1,000,000.

Who can invest in Keystone US Fund?

Keystone US Fund 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 Keystone US Fund raised?

Keystone US Fund reports $101,650,000 sold from 15 investors on its Form D filed Jun 12, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is Keystone US Fund based?

Keystone US Fund is based in George Town Grand Cayman, Cayman Islands.

When did Keystone US Fund launch?

Keystone US Fund reports its first sale in Jun 2022.

Size compared with every hedge fund

Raised more than 49% of the 2,363 hedge funds based in Cayman Islands, and more than 58% of all 10,307 that report sales.

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