vcvibes

Kleiner PerkinsFirm match from fund name (lower confidence)

Kleiner Perkins XXI, LLC

Open, writing first checks

Open: first sale Jun 2024, per Form D (fund age approximates vintage)

Limited data: built from SEC filings only.

Vintage
2024
Fund size
$825M (Form D)
Stages
Not stated
Sectors
Not stated
Regions
Not stated

01 · Thesis

No thesis found on the firm's website yet.

02 · Initial check

$8.25M to $13.75M (estimated from fund size)

Estimated from Form D

03 · Who to approach

Named on this fund's Form D

  • Mamoon Hamid, Managing Member of the Managing Member
  • Ilya Fushman, Managing Member of the Managing Member

04 · Deals

No deals attributed to this fund yet.

05 · Evidence

No quoted evidence from the firm's website yet.

06 · Sources

  1. https://www.sec.gov/Archives/edgar/data/2027881/000202788124000002/

Last verified: Oct 25, 2026