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Investors / IA Seed Ventures / Compare with Mayfield

IA Seed Ventures vs Mayfield

IA Seed Ventures lists 11 portfolio companies and has joined 1 funding round; Mayfield lists 134 companies and has joined 38 rounds. Mayfield comes in most often at Series A (39% of its entries). 2 companies are on both portfolios, among them Lyft and Poshmark.

11Portfolio companies134
1Funding rounds joined38
0Rounds led13
1Rounds, last 12 months21
$1M to $5MTypical round it comes in at$20M to $100M
0%Sites no longer answering0%
Show as a table
IA Seed Ventures and Mayfield, head to head
IA Seed VenturesMayfield
Portfolio companies11134
Funding rounds joined138
Rounds led013
Rounds, last 12 months121
Typical round it comes in at$1M to $5M$20M to $100M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%3%
Seed0%36%
Series A0%39%
Series B0%10%
Growth0%13%

IA Seed VenturesMayfield

Show as a table
Entry stages of IA Seed Ventures and Mayfield, share of entries
IA Seed VenturesMayfield
Pre-seed0%3%
Seed0%36%
Series A0%39%
Series B0%10%
Growth0%13%

Themes

share of checked companies
AI & Machine Learning14%34%
Cybersecurity14%11%
Fintech14%7%
E-commerce & Marketplaces10%4%
Healthcare & Biotech10%9%
Mobility & Logistics10%0%

IA Seed VenturesMayfield

Show as a table
Themes of IA Seed Ventures and Mayfield, share of checked companies
IA Seed VenturesMayfield
AI & Machine Learning14%34%
Cybersecurity14%11%
Fintech14%7%
E-commerce & Marketplaces10%4%
Healthcare & Biotech10%9%
Mobility & Logistics10%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 IA Seed Ventures and Mayfield 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/iasv.co/portfolio

# also
GET /v1/firms/mayfield.com/portfolio
GET /v1/firms/iasv.co/coinvestors
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