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Investors / 645 Ventures / Compare with Andreessen Horowitz

645 Ventures vs Andreessen Horowitz

645 Ventures lists 81 portfolio companies and has joined 25 funding rounds; Andreessen Horowitz lists 841 companies and has joined 814 rounds. 645 Ventures comes in most often at Series A (46% of its entries), Andreessen Horowitz comes in most often at Seed (38% of its entries). 4 companies are on both portfolios, among them Gimlet Labs, Overtime and sequencehq.com.

81Portfolio companies841
25Funding rounds joined814
5Rounds led518
17Rounds, last 12 months214
$20M to $100MTypical round it comes in at$20M to $100M
0%Sites no longer answering0%
Show as a table
645 Ventures and Andreessen Horowitz, head to head
645 VenturesAndreessen Horowitz
Portfolio companies81841
Funding rounds joined25814
Rounds led5518
Rounds, last 12 months17214
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-seed0%2%
Seed38%38%
Series A46%35%
Series B8%13%
Growth8%12%

645 VenturesAndreessen Horowitz

Show as a table
Entry stages of 645 Ventures and Andreessen Horowitz, share of entries
645 VenturesAndreessen Horowitz
Pre-seed0%2%
Seed38%38%
Series A46%35%
Series B8%13%
Growth8%12%

Themes

share of checked companies
AI & Machine Learning30%22%
Fintech12%16%
Enterprise Software9%11%
Healthcare & Biotech7%11%
Cybersecurity9%7%
Education6%3%

645 VenturesAndreessen Horowitz

Show as a table
Themes of 645 Ventures and Andreessen Horowitz, share of checked companies
645 VenturesAndreessen Horowitz
AI & Machine Learning30%22%
Fintech12%16%
Enterprise Software9%11%
Healthcare & Biotech7%11%
Cybersecurity9%7%
Education6%3%

Companies both back

4

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 645 Ventures and Andreessen Horowitz 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/645ventures.com/portfolio

# also
GET /v1/firms/a16z.com/portfolio
GET /v1/firms/645ventures.com/coinvestors
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