S3 Ventures
Portfolio in United States: 2 funded startups tracked by Uback, 2 of them in a ranking.
Portfolio on Uback2startups, 1 country
In a ranking2ranked by AI-estimated valuation
On the Radar0eligible, not ranked
Latest deal trackedAug 2026Boom
Portfolio on Uback
Sorted by Uback rank, then Radar by last round| Company | Uback | Sector | Round backed | Valuation (AI) |
|---|---|---|---|---|
| Boom | #19 Rentals | Proptech & construction › Transactions › Rentals | Series A · USD 15M · Aug 2026 | Tens of M$ |
| NoiseAware | #31 Vacation rentals | Travel, hospitality & leisure › Hospitality › Vacation rentals | Series A · USD 8M · Apr 2021 | Tens of M$ |
Only startups that meet Uback’s eligibility rules are shown. Amounts are round sizes, not the fund’s share. Rounds as reported by public sources.
By sector
Deals tracked per year
12021
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12026
Co-investors
Mischief VC · Starting Line VC · Gilgamesh Ventures · Thayer Ventures
Investors that joined the same rounds, as reported by public sources.
Last updated: Oct 2026Report a missing dealReport an error
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