Diffusion

Tracked participation in 3 Atlas companies, with 1 explicitly attributed lead.

3portfolio companies

4round participations

1lead positions

$550Mled round total

Conviction

Most recent leads

The latest rounds this investor is sourced as leading, newest first.

Sep 2026HarveyFunding round$550Mat $15.5B valuation

Capital activity

Portfolio

CompanyLatest valuationFirst → latestRoundsRoleAttributed partner

HHarveyApplicationsHarvey (harvey.ai) is a legal-focused AI platform for professional services that combines purpose-built “agentic”…$15.5Bvaluation$1.8BraisedRecent roundsFunding round · Sep 2026$550M · led by Diffusion, Lightspeed Venture PartnersStrategic investment (equity) · Jul 2026Goldman Sachs Alternatives (Growth Equity), J.P. Morgan Growth Equity PartnersGrowth round · Mar 2026$200M · led by GIC, Sequoia CapitalHarvey$15.5BSep 2026 → Sep 20261 round1 led—

CCognition$48BSep 2026 → Sep 20261 roundParticipant—

EEtchedChipsEtched is a private AI hardware company building “frontier inference clusters” for serving frontier AI models, with…$21Bvaluation$2.9BraisedRecent roundsSeries D (per Etched progress post wording as a production-acceleration round) · Aug 2026$700M · led by Jane StreetSeries C · Jul 2026$300M · led by Sequoia CapitalMultiple unannounced financings (stealth exit / launch update) totaling $800M · Jun 2026$800M · Andrej Karpathy, Arthur Mensch +11Etched$21BJul 2026 → Aug 20262 roundsParticipant—

DateCompanyRoundRaisedValuationRoleEvidence

Sep 09, 2026HHarveyApplicationsHarvey (harvey.ai) is a legal-focused AI platform for professional services that combines purpose-built “agentic”…$15.5Bvaluation$1.8BraisedRecent roundsFunding round · Sep 2026$550M · led by Diffusion, Lightspeed Venture PartnersStrategic investment (equity) · Jul 2026Goldman Sachs Alternatives (Growth Equity), J.P. Morgan Growth Equity PartnersGrowth round · Mar 2026$200M · led by GIC, Sequoia CapitalHarveyFunding round$550M$15.5BLead

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Sep 08, 2026CCognitionSeries E$2B$48BParticipant

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Aug 18, 2026EEtchedChipsEtched is a private AI hardware company building “frontier inference clusters” for serving frontier AI models, with…$21Bvaluation$2.9BraisedRecent roundsSeries D (per Etched progress post wording as a production-acceleration round) · Aug 2026$700M · led by Jane StreetSeries C · Jul 2026$300M · led by Sequoia CapitalMultiple unannounced financings (stealth exit / launch update) totaling $800M · Jun 2026$800M · Andrej Karpathy, Arthur Mensch +11EtchedSeries D (per Etched progress post wording as a production-acceleration round)$700M$21BParticipant

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Jul 23, 2026EEtchedChipsEtched is a private AI hardware company building “frontier inference clusters” for serving frontier AI models, with…$21Bvaluation$2.9BraisedRecent roundsSeries D (per Etched progress post wording as a production-acceleration round) · Aug 2026$700M · led by Jane StreetSeries C · Jul 2026$300M · led by Sequoia CapitalMultiple unannounced financings (stealth exit / launch update) totaling $800M · Jun 2026$800M · Andrej Karpathy, Arthur Mensch +11EtchedSeries C$300M$10.3BParticipant

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DateCompanyRoundRaisedValuationRoleEvidence

Sep 08, 2026CCognitionSeries E$2B$48BParticipant

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