Data sourced from SEC EDGAR filingsCompiled by Free Startup Funding DatabaseLast updated: Oct 2026
SEC Form D Verified2 Funds Tracked

Andreessen Horowitz Seed

Venture Capital Firm | Contact & Fund History

MENLO PARK, CA
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Funds Tracked

2

Total Raised

$434M

Latest Fund

Andreessen Horowitz Seed Fund I-B, L.P.

Apr 2022 · $34M

How to Contact Andreessen Horowitz Seed

Official Contact Channels

LinkedIn Profile
a16z.com

General Partners

Marc Andreessen; Ben Horowitz

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2 team members listed on the firm's website

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Andreessen Horowitz Seed Team

  • Marc Andreessen

    Co-founder

  • Ben Horowitz

    Co-founder

Listed on the firm's own website: a16z.com. Titles can change; check the firm's site before reaching out.

Fund History

Andreessen Horowitz Seed Fund I-B, L.P.

Apr 2022

$34M

Andreessen Horowitz Seed Fund I, L.P.

Aug 2021

$400M

Frequently Asked Questions

How do I contact Andreessen Horowitz Seed?

To contact Andreessen Horowitz Seed: visit a16z.com; connect on their LinkedIn company page; their team of 2 is listed on their website.

How many funds has Andreessen Horowitz Seed raised?

Andreessen Horowitz Seed has raised 2 tracked funds, totaling $434M in tracked capital.

Where is Andreessen Horowitz Seed located?

Andreessen Horowitz Seed is headquartered in MENLO PARK, CA.

Firm Details

Fund Family Size1
First FilingAug 2021
Latest FilingApr 2022

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Data Sources: SEC EDGAR filings, company disclosures, and verified public records.

Profile updated: Oct 23, 2026