Kleiner Perkins is a venture capital firm that provides financial capital and strategic guidance to early-stage startups with high growth potential. It partners with founders across diverse industries to help them move from inception to IPO and beyond. The firm earns returns by taking equity stakes in its portfolio companies and realizing value through exits such as IPOs or acquisitions. Its differentiators include a long history in venture investing, a global and multi-industry portfolio, and a hands-on approach that supports companies from early stages through growth, aligning with ambitious entrepreneurs to transform ideas into scalable businesses.
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Industries
Company Size
201-500
Company Stage
N/A
Total Funding
$92.8B
Headquarters
Menlo Park, California
Founded
1972
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Total Funding
$92.8B
Above
Industry Average
Funded Over
0 Rounds
Stock trading platform Aries has raised $7 million in seed funding, led by Thomas Peterffy. Kleiner Perkins, Collision, John Paulson, and 638 users also took part in the round. Aries is building a stock trading platform and has launched Aries Infinite. The company describes it as an infinitely scalable trading canvas where users can build components one by one or ask AI to generate trading interfaces.
Flapping Airplanes, a year-old artificial intelligence startup, has raised $1 billion at a $6 billion valuation. It is the latest example of investors backing newer AI research labs that have yet to launch commercial products. Index Ventures and Lux Capital led the round, which is set to be announced Wednesday. Sequoia Capital, Alphabet Inc.'s GV, and Kleiner Perkins also took part. The valuation, which includes the new money, has quadrupled from a prior round in January. Founded in late 2025, Flapping Airplanes is one of a growing number of so-called AI neolabs, startups that focus first on research.
Gambit Security, a cyber resilience company, has been named to the Disruptors 60, Class of 2026, Greenfield Partners' annual list of the world's most groundbreaking AI startups. The list was unveiled on October 20, 2026, at TechCrunch Disrupt in New York. The recognition comes less than eight months after Gambit emerged from stealth with $61 million in combined Seed and Series A funding from Spark Capital, Kleiner Perkins, and Cyberstarts. Gambit's platform maps the applications, data, and dependencies a business needs to operate, and continuously tests that it can recover. It deploys without agents in 15 minutes and generates audit-ready evidence for DORA, NIST CSF, and SOX. Since launch, Gambit has added integrations with Wiz, Cyera, and Microsoft Sentinel, and partnered with AHEAD.
Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for businesses of all sizes.
Glean today emerged from stealth with the debut of an intuitive work assistant to address the ubiquitous problem for knowledge workers: finding the right inf...
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Industries
Company Size
201-500
Company Stage
N/A
Total Funding
$92.8B
Headquarters
Menlo Park, California
Founded
1972
Find jobs on Simplify and start your career today