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Investors / Andreessen Horowitz / Compare with Index Ventures

Andreessen Horowitz vs Index Ventures

Andreessen Horowitz lists 841 portfolio companies and has joined 814 funding rounds; Index Ventures lists 306 companies and has joined 125 rounds. Andreessen Horowitz comes in most often at Seed (38% of its entries), Index Ventures comes in most often at Series A (30% of its entries). 27 companies are on both portfolios, among them Cowboy, Apex and capitolis.com.

841Portfolio companies306
814Funding rounds joined125
518Rounds led50
214Rounds, last 12 months81
$20M to $100MTypical round it comes in at$20M to $100M
0%Sites no longer answering0%
Show as a table
Andreessen Horowitz and Index Ventures, head to head
Andreessen HorowitzIndex Ventures
Portfolio companies841306
Funding rounds joined814125
Rounds led51850
Rounds, last 12 months21481
Typical round it comes in at$20M to $100M$20M to $100M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed2%0%
Seed38%22%
Series A35%30%
Series B13%21%
Growth12%27%

Andreessen HorowitzIndex Ventures

Show as a table
Entry stages of Andreessen Horowitz and Index Ventures, share of entries
Andreessen HorowitzIndex Ventures
Pre-seed2%0%
Seed38%22%
Series A35%30%
Series B13%21%
Growth12%27%

Themes

share of checked companies
AI & Machine Learning22%24%
Fintech16%18%
Enterprise Software11%12%
Healthcare & Biotech11%6%
E-commerce & Marketplaces4%7%
Cybersecurity7%6%

Andreessen HorowitzIndex Ventures

Show as a table
Themes of Andreessen Horowitz and Index Ventures, share of checked companies
Andreessen HorowitzIndex Ventures
AI & Machine Learning22%24%
Fintech16%18%
Enterprise Software11%12%
Healthcare & Biotech11%6%
E-commerce & Marketplaces4%7%
Cybersecurity7%6%

Companies both back

27

Shared companies are those both firms' own portfolio pages list, each checked against the company's site. The same comparison through the API is POST /v1/overlap, for up to 20 firms. How the data is graded

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Compare Andreessen Horowitz and Index Ventures as data

Pull both portfolios and every co-investor through one API key or MCP, and lay up to 20 firms side by side with POST /v1/overlap. A free account adds Ask AI searches and alerts when either firm adds a company.

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  • Ask AI5 plain-English investor searches a day
  • Full listsEvery portfolio row and two-firm overlap
  • API and MCP100 REST or MCP calls a month, one key
  • AlertsFollow 5 investors for portfolio and fund changes
VCinfo API
$ curl -H "X-API-Key: YOUR_KEY" \
  https://api.vcinfo.io/v1/firms/a16z.com/portfolio

# also
GET /v1/firms/indexventures.com/portfolio
GET /v1/firms/a16z.com/coinvestors
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