AltMountain

Antiportfolio Fund I, LP

Wilmington, DE · CIK 2083275
Emerging

Antiportfolio Fund I, LP is a venture capital fund based in Wilmington, Delaware. According to its most recent Form D, filed Jan 14, 2026, it has sold $9,950,000 of interests to 27 investors since its first sale in Jan 2026. The minimum investment it accepts from an outside investor is $10,000. 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 Ryan Morgan; Antiportfolio Fund I GP, LLC.

Total raised
$9,950,000Cumulative sales reported on Form D
Investors
27
First sale
Jan 5, 2026
Minimum investment
$10,000
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
Ryan Morgan; Antiportfolio Fund I GP, LLC
Latest Form D
Jan 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 Antiportfolio Fund I, LP

What is the minimum investment for Antiportfolio Fund I, LP?

According to its latest Form D, filed Jan 14, 2026, the minimum investment Antiportfolio Fund I, LP accepts from an outside investor is $10,000.

Who can invest in Antiportfolio Fund I, LP?

Antiportfolio Fund I, LP 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 Antiportfolio Fund I, LP raised?

Antiportfolio Fund I, LP reports $9,950,000 sold from 27 investors on its Form D filed Jan 14, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is Antiportfolio Fund I, LP based?

Antiportfolio Fund I, LP is based in Wilmington, Delaware.

When did Antiportfolio Fund I, LP launch?

Antiportfolio Fund I, LP reports its first sale in Jan 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 venture capital fund

Raised more than 97% of the 4,797 venture capital funds based in Delaware, and more than 87% of all 15,160 that report sales.

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