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Investors / Diagram / Compare with Greylock

Diagram vs Greylock

Diagram lists 42 portfolio companies and has joined 0 funding rounds; Greylock lists 153 companies and has joined 48 rounds. Greylock comes in most often at Seed (28% of its entries). 1 company is on both portfolios, among them Wealthsimple.

42Portfolio companies153
0Funding rounds joined48
0Rounds led15
0Rounds, last 12 months24
n/aTypical round it comes in at$20M to $100M
0%Sites no longer answering0%
Show as a table
Diagram and Greylock, head to head
DiagramGreylock
Portfolio companies42153
Funding rounds joined048
Rounds led015
Rounds, last 12 months024
Typical round it comes in atn/a$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 B0%25%
Growth0%20%

DiagramGreylock

Show as a table
Entry stages of Diagram and Greylock, share of entries
DiagramGreylock
Pre-seed0%0%
Seed0%28%
Series A0%28%
Series B0%25%
Growth0%20%

Themes

share of checked companies
Fintech33%14%
AI & Machine Learning19%27%
Cybersecurity0%16%
Enterprise Software8%11%
Healthcare & Biotech10%7%
Space & Defense5%5%

DiagramGreylock

Show as a table
Themes of Diagram and Greylock, share of checked companies
DiagramGreylock
Fintech33%14%
AI & Machine Learning19%27%
Cybersecurity0%16%
Enterprise Software8%11%
Healthcare & Biotech10%7%
Space & Defense5%5%

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 Diagram 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/diagram.vc/portfolio

# also
GET /v1/firms/greylock.com/portfolio
GET /v1/firms/diagram.vc/coinvestors
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