AltMountain

Sunriver Long Fund LP

Greenwich, CT · CIK 1903856

Sunriver Long Fund LP is a hedge fund based in Greenwich, Connecticut. According to its most recent Form D, filed Mar 6, 2026, the fund has sold $52,116,414 of interests to 13 investors since its first sale in Jan 2022. The filing does not set a minimum investment. 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 Sunriver GP LLC; Sunriver Management LLC.

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
$52,116,414Cumulative sales reported on Form D
Investors
13
First sale
Jan 1, 2022
Minimum investment
None set
Who can invest
Qualified purchasersSection 3(c)(7): generally $5M+ in investments
Offering exemption
Rule 506(b)No general advertising
Key people and entities
Sunriver GP LLC; Sunriver Management LLC
Latest Form D
Mar 6, 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 Sunriver Long Fund LP

What is the minimum investment for Sunriver Long Fund LP?

Sunriver Long Fund LP's latest Form D, filed Mar 6, 2026, does not set a minimum investment. Managers can still require one in the offering documents.

Who can invest in Sunriver Long Fund LP?

Sunriver Long Fund 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 Sunriver Long Fund LP raised?

Sunriver Long Fund LP reports $52,116,414 sold from 13 investors on its Form D filed Mar 6, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is Sunriver Long Fund LP based?

Sunriver Long Fund LP is based in Greenwich, Connecticut.

When did Sunriver Long Fund LP launch?

Sunriver Long Fund LP reports its first sale in Jan 2022.

Size compared with every hedge fund

Raised more than 56% of the 862 hedge funds based in Connecticut, and more than 47% of all 10,307 that report sales.

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