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Investors / 645 Ventures / Compare with Phase One Ventures

645 Ventures vs Phase One Ventures

645 Ventures lists 81 portfolio companies and has joined 25 funding rounds; Phase One Ventures lists 15 companies and has joined 0 rounds. 645 Ventures comes in most often at Series A (46% of its entries). 1 company is on both portfolios, among them Cotiss.

81Portfolio companies15
25Funding rounds joined0
5Rounds led0
17Rounds, last 12 months0
$20M to $100MTypical round it comes in atn/a
0%Sites no longer answering0%
Show as a table
645 Ventures and Phase One Ventures, head to head
645 VenturesPhase One Ventures
Portfolio companies8115
Funding rounds joined250
Rounds led50
Rounds, last 12 months170
Typical round it comes in at$20M to $100Mn/a
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed38%0%
Series A46%0%
Series B8%0%
Growth8%0%

645 VenturesPhase One Ventures

Show as a table
Entry stages of 645 Ventures and Phase One Ventures, share of entries
645 VenturesPhase One Ventures
Pre-seed0%0%
Seed38%0%
Series A46%0%
Series B8%0%
Growth8%0%

Themes

share of checked companies
AI & Machine Learning30%33%
Fintech12%15%
Enterprise Software9%11%
Legal & Compliance0%11%
Cybersecurity9%4%
Education6%7%

645 VenturesPhase One Ventures

Show as a table
Themes of 645 Ventures and Phase One Ventures, share of checked companies
645 VenturesPhase One Ventures
AI & Machine Learning30%33%
Fintech12%15%
Enterprise Software9%11%
Legal & Compliance0%11%
Cybersecurity9%4%
Education6%7%

Companies both back

1

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 Phase One 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/645ventures.com/portfolio

# also
GET /v1/firms/phaseone.ventures/portfolio
GET /v1/firms/645ventures.com/coinvestors
The same data as an MCP server for Claude, Cursor and other AI tools. Set up MCP · Docs · Pricing