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Investors / EcoR1 Capital / Compare with venBio

EcoR1 Capital vs venBio

EcoR1 Capital lists 19 portfolio companies and has joined 5 funding rounds; venBio lists 33 companies and has joined 6 rounds. EcoR1 Capital comes in most often at Growth (50% of its entries), venBio comes in most often at Growth (50% of its entries). 1 company is on both portfolios, among them Attovia Therapeutics.

19Portfolio companies33
5Funding rounds joined6
0Rounds led1
3Rounds, last 12 months5
$20M to $100MTypical round it comes in at$100M or more
0%Sites no longer answering0%
Show as a table
EcoR1 Capital and venBio, head to head
EcoR1 CapitalvenBio
Portfolio companies1933
Funding rounds joined56
Rounds led01
Rounds, last 12 months35
Typical round it comes in at$20M to $100M$100M or more
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed0%0%
Series A25%33%
Series B25%17%
Growth50%50%

EcoR1 CapitalvenBio

Show as a table
Entry stages of EcoR1 Capital and venBio, share of entries
EcoR1 CapitalvenBio
Pre-seed0%0%
Seed0%0%
Series A25%33%
Series B25%17%
Growth50%50%

Themes

share of checked companies
Healthcare & Biotech100%95%
Media & Entertainment0%5%

EcoR1 CapitalvenBio

Show as a table
Themes of EcoR1 Capital and venBio, share of checked companies
EcoR1 CapitalvenBio
Healthcare & Biotech100%95%
Media & Entertainment0%5%

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 EcoR1 Capital and venBio 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/ecor1cap.com/portfolio

# also
GET /v1/firms/venbio.com/portfolio
GET /v1/firms/ecor1cap.com/coinvestors
The same data as an MCP server for Claude, Cursor and other AI tools. Set up MCP · Docs · Pricing