AltMountain

Castle Ridge Apex LP

Offshore

Castle Ridge Apex LP is a hedge fund based in Grand Cayman, Cayman Islands. According to its most recent Form D, filed Feb 27, 2026, the fund has sold $40,794,641 of interests to 22 investors since its first sale in Oct 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 B.P. Martiuk; Castle Ridge Asset Management Limited; Adrian De Valois-Franklin.

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
$40,794,641Cumulative sales reported on Form D
Investors
22
First sale
Oct 1, 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
B.P. Martiuk; Castle Ridge Asset Management Limited; Adrian De Valois-Franklin
Latest Form D
Feb 27, 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 Castle Ridge Apex LP

What is the minimum investment for Castle Ridge Apex LP?

According to its latest Form D, filed Feb 27, 2026, the minimum investment Castle Ridge Apex LP accepts from an outside investor is $100,000.

Who can invest in Castle Ridge Apex LP?

Castle Ridge Apex LP 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 Castle Ridge Apex LP raised?

Castle Ridge Apex LP reports $40,794,641 sold from 22 investors on its Form D filed Feb 27, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is Castle Ridge Apex LP based?

Castle Ridge Apex LP is based in Grand Cayman, Cayman Islands and is managed by Castle Ridge Asset Management Limited.

When did Castle Ridge Apex LP launch?

Castle Ridge Apex LP reports its first sale in Oct 2020.

Size compared with every hedge fund

Raised more than 36% of the 2,363 hedge funds based in Cayman Islands, and more than 42% of all 10,308 that report sales.

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