United States · Series A startup
3 rounds we have observed, with the 8 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Raised 5 months ago
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Funding summaryUpdated 5 Nov 2026
$80Mraised across 3 rounds since 2026, from 3 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
Lightspeed Venture PartnersLead
SV Angel
Operator Partners
MANTIS Venture Capital
Kearny Jackson
Litquidity Ventures
Daybreak VenturesReported by TechCrunchSEC filing: $15M sold
From Sandstone's own website: 1 founder, 10 on the team.
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
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This firm lists Sandstone as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.
Sandstone's investors include SV Angel, Operator Partners, MANTIS Venture Capital, Lightspeed Venture Partners and Sequoia Capital, and 3 more on record. Lightspeed Venture Partners led its latest round.
Sandstone has raised $80M across 3 rounds since 2026.
Sandstone's most recent round was a Series A of $30M in Jun 2026, led by Lightspeed Venture Partners.
Sandstone's largest round on record is $40M, in May 2026.
Sandstone's first round on record, in Jan 2026, was backed by Sequoia Capital, SV Angel and Operator Partners and 1 others.
Sandstone's latest named round is a Series A, in Jun 2026.
Sandstone is based in the United States.
Lightspeed Venture Partners led the Series A in 2026.
In the same sector, and raised in the last eighteen months.
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United States · 
