Sound Ventures

Tracked participation in 3 Atlas companies, with 0 explicitly attributed leads.

3portfolio companies

4round participations

0lead positions

Mar 2026latest activity

Capital activity

Portfolio

CompanyLatest valuationFirst → latestRoundsRoleAttributed partner

OOpenAIFrontierOpenAI is a frontier AI research and deployment organization structured around a nonprofit mission and a for-profit…$730Bvaluation$399.6BraisedRecent roundsFunding round (new investment + valuation) · Sep 2026$110B · Amazon, NVIDIA +1Funding round (committed capital at close) · Mar 2026$122B · Altimeter, Amazon +37Equity financing (new investment) · Feb 2026$110B · Amazon, NVIDIA +1OpenAI$852BMar 2026 → Mar 20261 roundParticipant—

AAnthropic—May 2023 → May 20242 roundsParticipant—

HFHugging Face$4.5BAug 2023 → Aug 20231 roundParticipant—

DateCompanyRoundRaisedValuationRoleEvidence

Mar 31, 2026OOpenAIFrontierOpenAI is a frontier AI research and deployment organization structured around a nonprofit mission and a for-profit…$730Bvaluation$399.6BraisedRecent roundsFunding round (new investment + valuation) · Sep 2026$110B · Amazon, NVIDIA +1Funding round (committed capital at close) · Mar 2026$122B · Altimeter, Amazon +37Equity financing (new investment) · Feb 2026$110B · Amazon, NVIDIA +1OpenAIFunding round (committed capital at close)$122B$852BParticipant

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May 23, 2024AAnthropicSeries C$450M—Participant

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Aug 24, 2023HFHugging FaceSeries D$235M$4.5BParticipant

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May 23, 2023AAnthropicSeries C$450M—Participant

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DateCompanyRoundRaisedValuationRoleEvidence

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May 23, 2024AAnthropicSeries C$450M—Participant

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May 23, 2023AAnthropicSeries C$450M—Participant

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Aug 24, 2023HFHugging FaceSeries D$235M$4.5BParticipant

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