AltMountain

Socii River, L.P.

Menlo Park, CA · CIK 2160203 · Sponsor: Solomon River GP, LLC

Socii River, L.P. is a private investment fund based in Menlo Park, California. Its most recent Form D, filed Oct 14, 2026, reports no sales yet. The filing does not set a minimum investment. It relies on the Section 3(c)(1) exclusion, which limits it to 100 beneficial owners, typically accredited investors. The offering uses Rule 506(b), which does not permit general solicitation. Related persons named in the filing include Solomon River GP, LLC.

Total raised
$0Cumulative sales reported on Form D
Investors
0
First sale
—
Minimum investment
None set
Who can invest
Accredited investorsSection 3(c)(1): up to 100 beneficial owners
Offering exemption
Rule 506(b)No general advertising
Key people and entities
Solomon River GP, LLC
Latest Form D
Oct 14, 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. Returns are not part of SEC filings. Private funds are speculative, illiquid and generally limited to accredited investors or qualified purchasers. Full disclosures · Request a correction

Questions about Socii River, L.P.

What is the minimum investment for Socii River, L.P.?

Socii River, L.P.'s latest Form D, filed Oct 14, 2026, does not set a minimum investment. Managers can still require one in the offering documents.

Who can invest in Socii River, L.P.?

Socii River, L.P. is generally open only to accredited investors, and it may have no more than 100 beneficial owners because it relies on Section 3(c)(1). It uses Rule 506(b), which does not allow general advertising.

How much has Socii River, L.P. raised?

Socii River, L.P.'s latest Form D, filed Oct 14, 2026, reports no sales yet.

Where is Socii River, L.P. based?

Socii River, L.P. is based in Menlo Park, California.

Size compared with every private investment fund

This fund hasn't reported any sales yet.

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