AltMountain

SDP Flagship Offshore Fund, Ltd.

Offshore

SDP Flagship Offshore Fund, Ltd. is a hedge fund based in Grand Cayman, Cayman Islands. According to its most recent Form D, filed Sep 21, 2026, the fund has sold $485,903,446 of interests to 47 investors since its first sale in Jan 2015. 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 Jonathan Morgan; Sentinel Dome Partners, LLC; Scott Craven Jones.

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
$485,903,446Cumulative sales reported on Form D
Investors
47
First sale
Jan 1, 2015
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
Jonathan Morgan; Sentinel Dome Partners, LLC; Scott Craven Jones
Latest Form D
Sep 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 SDP Flagship Offshore Fund, Ltd.

What is the minimum investment for SDP Flagship Offshore Fund, Ltd.?

According to its latest Form D, filed Sep 21, 2026, the minimum investment SDP Flagship Offshore Fund, Ltd. accepts from an outside investor is $1,000,000.

Who can invest in SDP Flagship Offshore Fund, Ltd.?

SDP Flagship Offshore 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 SDP Flagship Offshore Fund, Ltd. raised?

SDP Flagship Offshore Fund, Ltd. reports $485,903,446 sold from 47 investors on its Form D filed Sep 21, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is SDP Flagship Offshore Fund, Ltd. based?

SDP Flagship Offshore Fund, Ltd. is based in Grand Cayman, Cayman Islands and is managed by Sentinel Dome Partners, LLC.

When did SDP Flagship Offshore Fund, Ltd. launch?

SDP Flagship Offshore Fund, Ltd. reports its first sale in Jan 2015.

Size compared with every hedge fund

Raised more than 74% of the 2,363 hedge funds based in Cayman Islands, and more than 81% of all 10,307 that report sales.

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