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Investors / 01A / Compare with Greylock

01A vs Greylock

01A lists 47 portfolio companies and has joined 5 funding rounds; Greylock lists 152 companies and has joined 48 rounds. 01A comes in most often at Series B (60% of its entries), Greylock comes in most often at Seed (28% of its entries). 3 companies are on both portfolios, among them Baseten, Common Room and Postscript.

47Portfolio companies152
5Funding rounds joined48
0Rounds led15
0Rounds, last 12 months24
$20M to $100MTypical round it comes in at$20M to $100M
0%Sites no longer answering0%
Show as a table
01A and Greylock, head to head
01AGreylock
Portfolio companies47152
Funding rounds joined548
Rounds led015
Rounds, last 12 months024
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%
Seed0%28%
Series A0%28%
Series B60%25%
Growth40%20%

01AGreylock

Show as a table
Entry stages of 01A and Greylock, share of entries
01AGreylock
Pre-seed0%0%
Seed0%28%
Series A0%28%
Series B60%25%
Growth40%20%

Themes

share of checked companies
AI & Machine Learning26%27%
Cybersecurity9%16%
Fintech13%14%
Enterprise Software13%11%
Healthcare & Biotech7%7%
Space & Defense6%5%

01AGreylock

Show as a table
Themes of 01A and Greylock, share of checked companies
01AGreylock
AI & Machine Learning26%27%
Cybersecurity9%16%
Fintech13%14%
Enterprise Software13%11%
Healthcare & Biotech7%7%
Space & Defense6%5%

Companies both back

3

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 01A and Greylock 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/01a.com/portfolio

# also
GET /v1/firms/greylock.com/portfolio
GET /v1/firms/01a.com/coinvestors
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