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Investors / ARK Venture Fund / Compare with EcoR1 Capital

ARK Venture Fund vs EcoR1 Capital

ARK Venture Fund lists 64 portfolio companies and has joined 27 funding rounds; EcoR1 Capital lists 19 companies and has joined 5 rounds. ARK Venture Fund comes in most often at Growth (48% of its entries), EcoR1 Capital comes in most often at Growth (50% of its entries). 2 companies are on both portfolios, among them Cellares and Freenome.

64Portfolio companies19
27Funding rounds joined5
2Rounds led0
18Rounds, last 12 months3
$100M or moreTypical round it comes in at$20M to $100M
0%Sites no longer answering0%
Show as a table
ARK Venture Fund and EcoR1 Capital, head to head
ARK Venture FundEcoR1 Capital
Portfolio companies6419
Funding rounds joined275
Rounds led20
Rounds, last 12 months183
Typical round it comes in at$100M or more$20M to $100M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed4%0%
Seed4%0%
Series A20%25%
Series B24%25%
Growth48%50%

ARK Venture FundEcoR1 Capital

Show as a table
Entry stages of ARK Venture Fund and EcoR1 Capital, share of entries
ARK Venture FundEcoR1 Capital
Pre-seed4%0%
Seed4%0%
Series A20%25%
Series B24%25%
Growth48%50%

Themes

share of checked companies
Healthcare & Biotech17%100%
AI & Machine Learning28%0%
Fintech10%0%
Industrial & Manufacturing8%0%
Enterprise Software7%0%
Gaming6%0%

ARK Venture FundEcoR1 Capital

Show as a table
Themes of ARK Venture Fund and EcoR1 Capital, share of checked companies
ARK Venture FundEcoR1 Capital
Healthcare & Biotech17%100%
AI & Machine Learning28%0%
Fintech10%0%
Industrial & Manufacturing8%0%
Enterprise Software7%0%
Gaming6%0%

Companies both back

2

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 ARK Venture Fund and EcoR1 Capital 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/ark-funds.com/portfolio

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