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Investors / Atlas Venture / Compare with Medicxi

Atlas Venture vs Medicxi

Atlas Venture lists 52 portfolio companies and has joined 11 funding rounds; Medicxi lists 5 companies and has joined 6 rounds. Atlas Venture comes in most often at Series B (73% of its entries), Medicxi comes in most often at Series B (80% of its entries). 1 company is on both portfolios, among them Ethyreal Bio.

52Portfolio companies5
11Funding rounds joined6
1Rounds led1
6Rounds, last 12 months5
$100M or moreTypical round it comes in at$100M or more
0%Sites no longer answering0%
Show as a table
Atlas Venture and Medicxi, head to head
Atlas VentureMedicxi
Portfolio companies525
Funding rounds joined116
Rounds led11
Rounds, last 12 months65
Typical round it comes in at$100M or more$100M or more
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed9%0%
Series A9%0%
Series B73%80%
Growth9%20%

Atlas VentureMedicxi

Show as a table
Entry stages of Atlas Venture and Medicxi, share of entries
Atlas VentureMedicxi
Pre-seed0%0%
Seed9%0%
Series A9%0%
Series B73%80%
Growth9%20%

Themes

share of checked companies
Healthcare & Biotech93%100%
Industrial & Manufacturing2%0%
Robotics & Hardware2%0%
AI & Machine Learning2%0%
Cybersecurity2%0%

Atlas VentureMedicxi

Show as a table
Themes of Atlas Venture and Medicxi, share of checked companies
Atlas VentureMedicxi
Healthcare & Biotech93%100%
Industrial & Manufacturing2%0%
Robotics & Hardware2%0%
AI & Machine Learning2%0%
Cybersecurity2%0%

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 Atlas Venture and Medicxi 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/atlasventure.com/portfolio

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