AltMountain

Kleiner Perkins Flex I, LLC

Menlo Park, CA · CIK 2114646 · Managed by Kleiner Perkins

Kleiner Perkins Flex I, LLC is a venture capital fund based in Menlo Park, California. According to its most recent Form D, filed Apr 7, 2026, it has sold $555,000,000 of interests to 55 investors since its first sale in Mar 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 Ilya Fushman; Mamoon Hamid.

Total raised
$555,000,000Cumulative sales reported on Form D
Investors
55
First sale
Mar 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
Ilya Fushman; Mamoon Hamid
Latest Form D
Apr 7, 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 Kleiner Perkins Flex I, LLC

What is the minimum investment for Kleiner Perkins Flex I, LLC?

Kleiner Perkins Flex I, LLC's latest Form D, filed Apr 7, 2026, does not set a minimum investment. Managers can still require one in the offering documents.

Who can invest in Kleiner Perkins Flex I, LLC?

Kleiner Perkins Flex I, LLC 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 Kleiner Perkins Flex I, LLC raised?

Kleiner Perkins Flex I, LLC reports $555,000,000 sold from 55 investors on its Form D filed Apr 7, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is Kleiner Perkins Flex I, LLC based?

Kleiner Perkins Flex I, LLC is based in Menlo Park, California and is managed by Kleiner Perkins.

When did Kleiner Perkins Flex I, LLC launch?

Kleiner Perkins Flex I, LLC reports its first sale in Mar 2026.

Size compared with every venture capital fund

Raised more than 99% 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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