AltMountain

Petra Fund I, LP

San Francisco, CA · CIK 2128387
Emerging

Petra Fund I, LP is a venture capital fund based in San Francisco, California. According to its most recent Form D, filed Apr 10, 2026, it has sold $7,250,000 of interests to 21 investors since its first sale in Apr 2026. The minimum investment it accepts from an outside investor is $50,000. 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 Petra Ventures, LLC; Aaryaman Vaidya; Lukas Linemayr.

Total raised
$7,250,000Cumulative sales reported on Form D
Investors
21
First sale
Apr 1, 2026
Minimum investment
$50,000
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
Petra Ventures, LLC; Aaryaman Vaidya; Lukas Linemayr
Latest Form D
Apr 10, 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 Petra Fund I, LP

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

According to its latest Form D, filed Apr 10, 2026, the minimum investment Petra Fund I, LP accepts from an outside investor is $50,000.

Who can invest in Petra Fund I, LP?

Petra 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 Petra Fund I, LP raised?

Petra Fund I, LP reports $7,250,000 sold from 21 investors on its Form D filed Apr 10, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is Petra Fund I, LP based?

Petra Fund I, LP is based in San Francisco, California.

When did Petra Fund I, LP launch?

Petra Fund I, LP reports its first sale in Apr 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 71% of the 2,268 venture capital funds based in California, and more than 85% of all 15,160 that report sales.

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