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Investors / Greylock / Compare with Irregular Expressions

Greylock vs Irregular Expressions

Greylock lists 152 portfolio companies and has joined 48 funding rounds; Irregular Expressions lists 145 companies and has joined 1 round. Greylock comes in most often at Seed (28% of its entries), Irregular Expressions comes in most often at Seed (100% of its entries). 3 companies are on both portfolios, among them Airbnb, Cloudera and Shortcut.

152Portfolio companies145
48Funding rounds joined1
15Rounds led0
24Rounds, last 12 months0
$20M to $100MTypical round it comes in at$1M to $5M
0%Sites no longer answering0%
Show as a table
Greylock and Irregular Expressions, head to head
GreylockIrregular Expressions
Portfolio companies152145
Funding rounds joined481
Rounds led150
Rounds, last 12 months240
Typical round it comes in at$20M to $100M$1M to $5M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed28%100%
Series A28%0%
Series B25%0%
Growth20%0%

GreylockIrregular Expressions

Show as a table
Entry stages of Greylock and Irregular Expressions, share of entries
GreylockIrregular Expressions
Pre-seed0%0%
Seed28%100%
Series A28%0%
Series B25%0%
Growth20%0%

Themes

share of checked companies
AI & Machine Learning27%28%
Enterprise Software11%17%
Cybersecurity16%8%
Fintech14%12%
Healthcare & Biotech7%7%
E-commerce & Marketplaces4%5%

GreylockIrregular Expressions

Show as a table
Themes of Greylock and Irregular Expressions, share of checked companies
GreylockIrregular Expressions
AI & Machine Learning27%28%
Enterprise Software11%17%
Cybersecurity16%8%
Fintech14%12%
Healthcare & Biotech7%7%
E-commerce & Marketplaces4%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 Greylock and Irregular Expressions 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/irregex.vc/portfolio
GET /v1/firms/greylock.com/coinvestors
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