AltMountain

Diffusion ONE, LP

San Francisco, CA · CIK 2141438 · Managed by Diffusion Holdings LLC

Diffusion ONE, LP is a venture capital fund based in San Francisco, California. According to its most recent Form D, filed Oct 9, 2026, it has sold $1,252,000,000 of interests to 113 investors since its first sale in Jun 2026. 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 Diffusion ONE GP, LLC; Kristian Fredrickson; Victor Lazarte.

Total raised
$1,252,000,000Cumulative sales reported on Form D
Investors
113
First sale
Jun 23, 2026
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
Diffusion ONE GP, LLC; Kristian Fredrickson; Victor Lazarte
Latest Form D
Oct 9, 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 Diffusion ONE, LP

What is the minimum investment for Diffusion ONE, LP?

Diffusion ONE, LP's latest Form D, filed Oct 9, 2026, does not set a minimum investment. Managers can still require one in the offering documents.

Who can invest in Diffusion ONE, LP?

Diffusion ONE, 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 Diffusion ONE, LP raised?

Diffusion ONE, LP reports $1,252,000,000 sold from 113 investors on its Form D filed Oct 9, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is Diffusion ONE, LP based?

Diffusion ONE, LP is based in San Francisco, California and is managed by Diffusion Holdings LLC.

When did Diffusion ONE, LP launch?

Diffusion ONE, LP reports its first sale in Jun 2026.

Size compared with every venture capital fund

Raised more than 100% of the 2,268 venture capital funds based in California, and more than 100% of all 15,160 that report sales.

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