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Investors / Greylock / Compare with Madrona

Greylock vs Madrona

Greylock lists 152 portfolio companies and has joined 48 funding rounds; Madrona lists 160 companies and has joined 37 rounds. Greylock comes in most often at Seed (28% of its entries), Madrona comes in most often at Seed (31% of its entries). 6 companies are on both portfolios, among them Anthropic, Coda and Common Room.

152Portfolio companies160
48Funding rounds joined37
15Rounds led15
24Rounds, last 12 months23
$20M to $100MTypical round it comes in at$20M to $100M
0%Sites no longer answering0%
Show as a table
Greylock and Madrona, head to head
GreylockMadrona
Portfolio companies152160
Funding rounds joined4837
Rounds led1515
Rounds, last 12 months2423
Typical round it comes in at$20M to $100M$20M to $100M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed28%31%
Series A28%31%
Series B25%22%
Growth20%16%

GreylockMadrona

Show as a table
Entry stages of Greylock and Madrona, share of entries
GreylockMadrona
Pre-seed0%0%
Seed28%31%
Series A28%31%
Series B25%22%
Growth20%16%

Themes

share of checked companies
AI & Machine Learning27%30%
Cybersecurity16%7%
Enterprise Software11%16%
Fintech14%8%
Healthcare & Biotech7%10%
Space & Defense5%3%

GreylockMadrona

Show as a table
Themes of Greylock and Madrona, share of checked companies
GreylockMadrona
AI & Machine Learning27%30%
Cybersecurity16%7%
Enterprise Software11%16%
Fintech14%8%
Healthcare & Biotech7%10%
Space & Defense5%3%

Companies both back

6

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 Greylock and Madrona 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/greylock.com/portfolio

# also
GET /v1/firms/madrona.com/portfolio
GET /v1/firms/greylock.com/coinvestors
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