AltMountain

1898 S1, LLC

Atlanta, GA · CIK 2146806
Emerging

1898 S1, LLC is a private investment fund based in Atlanta, Georgia. According to its most recent Form D, filed Jul 23, 2026, it has sold $367,500 of interests to 2 investors since its first sale in Jul 2026. 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. Based on its first sale date and the amount raised, AltMountain classifies it as an emerging manager. Related persons named in the filing include Kelmhurst GP, LLC.

Total raised
$367,500Cumulative sales reported on Form D
Investors
2
First sale
Jul 7, 2026
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
Kelmhurst GP, LLC
Latest Form D
Jul 23, 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 1898 S1, LLC

What is the minimum investment for 1898 S1, LLC?

1898 S1, LLC's latest Form D, filed Jul 23, 2026, does not set a minimum investment. Managers can still require one in the offering documents.

Who can invest in 1898 S1, LLC?

1898 S1, LLC 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 1898 S1, LLC raised?

1898 S1, LLC reports $367,500 sold from 2 investors on its Form D filed Jul 23, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is 1898 S1, LLC based?

1898 S1, LLC is based in Atlanta, Georgia.

When did 1898 S1, LLC launch?

1898 S1, LLC reports its first sale in Jul 2026, which makes it an emerging manager by AltMountain's definition (first sale in 2021 or later and under $50 million raised).

Size compared with every private investment fund

Raised more than 14% of the 237 private investment funds based in Georgia, and more than 7% of all 10,266 that report sales.

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