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Investors / 3i Partners / Compare with Accel

3i Partners vs Accel

3i Partners lists 22 portfolio companies and has joined 3 funding rounds; Accel lists 710 companies and has joined 350 rounds. 3i Partners comes in most often at Seed (67% of its entries), Accel comes in most often at Seed (38% of its entries). 1 company is on both portfolios, among them Zumutor Biologics.

22Portfolio companies710
3Funding rounds joined350
1Rounds led220
3Rounds, last 12 months121
$1M to $5MTypical round it comes in at$5M to $20M
0%Sites no longer answering0%
Show as a table
3i Partners and Accel, head to head
3i PartnersAccel
Portfolio companies22710
Funding rounds joined3350
Rounds led1220
Rounds, last 12 months3121
Typical round it comes in at$1M to $5M$5M to $20M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%1%
Seed67%38%
Series A33%32%
Series B0%13%
Growth0%17%

3i PartnersAccel

Show as a table
Entry stages of 3i Partners and Accel, share of entries
3i PartnersAccel
Pre-seed0%1%
Seed67%38%
Series A33%32%
Series B0%13%
Growth0%17%

Themes

share of checked companies
Healthcare & Biotech41%7%
AI & Machine Learning13%24%
Industrial & Manufacturing19%3%
Fintech3%14%
Enterprise Software0%13%
Education13%0%

3i PartnersAccel

Show as a table
Themes of 3i Partners and Accel, share of checked companies
3i PartnersAccel
Healthcare & Biotech41%7%
AI & Machine Learning13%24%
Industrial & Manufacturing19%3%
Fintech3%14%
Enterprise Software0%13%
Education13%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 3i Partners and Accel 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/3ipartners.vc/portfolio

# also
GET /v1/firms/accel.com/portfolio
GET /v1/firms/3ipartners.vc/coinvestors
The same data as an MCP server for Claude, Cursor and other AI tools. Set up MCP · Docs · Pricing