United States · Pre-seed startup
13 rounds we have observed, with the 22 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 2 months ago
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Funding summaryUpdated 5 Nov 2026
$341Mraised across 13 rounds since 2012, from 14 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
MosaicAI1 / 21Their pitch deckMosaic's pitch deck, 21 slidesEach slide read for what it argues, against the decks that raised at the same stage.→Source recorded
No investor was named in the report.
From a historical funding record
Reported by pevc.dowjones.com
From Mosaic's own website: 1 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.
Radical VenturesL
Y Combinator
Spring Ventures
Andreessen Horowitz
SV Angel
Founders Fund
Innovate UK
Pioneer Fund
Flybridge
8VCMissing a round, or an investor who was in one? Tell us.
Mosaic's investors include Radical Ventures, Y Combinator, Spring Ventures, Andreessen Horowitz and SV Angel, and 17 more on record.
Mosaic has raised $341M across 13 rounds since 2012.
Mosaic's most recent round was a Pre-seed of $500K in Sept 2026.
Mosaic's largest round on record is $220M (Undisclosed round), in Aug 2016.
Mosaic's first round on record, in May 2012, was backed by Spring Ventures.
Mosaic's latest named round is a Pre-seed, in Sept 2026.
Mosaic is based in the United States.
Radical Ventures led the Series A in 2026.
In the same sector, and raised in the last eighteen months.
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United States · 
