United States · 
Who invested in Joost?
Joost's investors include Sequoia Capital, Index Ventures, Li Ka-shing, CBS Corporation and Viacom.
United States · Series A startup
Who invested in Joost
One round we have observed, with the 5 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Funding summaryUpdated 26 Oct 2026
$45Mraised across 1 round since 2007, from 1 source
- Latest round
- Series A, $45MMay 2007
- Investors
- 5
The rounds
- May 2007
The exit
ExitBuyerPriceWhen
AcquiredAdconion Media GroupundisclosedNov 2009
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Everyone who backed them
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Quick answers about Joost
How much has Joost raised?
Joost has raised $45M across 1 round since 2007.
When did Joost last raise?
Joost's most recent round was a Series A of $45M in May 2007.
What was Joost's biggest round?
Its most recent round, $45M in May 2007, is also its largest on record.
Who backed Joost first?
Joost's first round on record, in May 2007, was backed by Sequoia Capital, Index Ventures and Li Ka-shing and 2 others.
What stage is Joost at?
Joost's latest named round is a Series A, in May 2007.
Where is Joost based?
Joost is based in the United States.
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