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Marketo among Y Combinator companies

Marketo was detected on 66 of 5,386 crawled Y Combinator company websites, a share of 1.2%.

GroupCrawledRunning MarketoShare
Inc 5000 (2026) 4,885 n/a n/a
Y Combinator companies 5,386 66 1.2%
Fortune 500 472 28 5.9%
Unicorns 1,000 121 12.1%

5,386 of 6,133 Y Combinator domains returned a usable record and form the denominator. 5,242 were counted from a rendered homepage crawl on 4 September 2026, 144 from a plain fetch only, and 747 returned no usable record. Company list: Y Combinator company directory. Rank 2 of the 5 CRM and Marketing Automation tools published for this group.

Software used by Y Combinator companies · CRM and Marketing Automation across all four groups · Marketo across every group and the wider sample

Marketo share of crawled company websites, by groupInc 5000 (2026)n/aY Combinator companies1.2%Fortune 5005.9%Unicorns12.1%
Marketo share of crawled company websites, by group

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Marketo runs on 1.2% of Y Combinator companies, 66 of 5,386 crawled companiesInstallmapUsed by 1.2% of Y Combinator companies
<a href="https://installmap.com/groups/yc/marketo"><img src="https://installmap.com/badges/yc/marketo.svg" alt="Marketo runs on 1.2% of Y Combinator companies, 66 of 5,386 crawled companies"></a>
[![Marketo runs on 1.2% of Y Combinator companies, 66 of 5,386 crawled companies](https://installmap.com/badges/yc/marketo.svg)](https://installmap.com/groups/yc/marketo)

Badge URL: https://installmap.com/badges/yc/marketo.svg · all badges.

Cite

Marketo was detected on 66 of 5,386 crawled Y Combinator company websites (1.2%). Installmap, 4 September 2026, https://installmap.com/groups/yc/marketo.

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