Jane Street

Tracked participation in 5 Atlas companies, with 1 explicitly attributed lead.

5portfolio companies

10round participations

1lead positions

$700Mled round total

Conviction

Most recent leads

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

Aug 2026EtchedSeries D$700Mat $21B valuation

Capital activity

Portfolio

CompanyLatest valuationFirst → latestRoundsRoleAttributed partner

EEtchedChipsEtched is an AI chip startup building “frontier inference clusters” designed to accelerate inference (both prefill…$21Bvaluation$2.6BraisedRecent roundsSeries D · Aug 2026$700M · led by Jane StreetMultiple unannounced financings (reported total $800M raised) · Jun 2026$800M · Hudson River Trading, Jane Street +9Unspecified financing tranche within stealth period (pre-Series C) · Jun 2026$500MEtched$21BDec 2025 → Aug 20263 rounds1 led—

AAnthropic$965BMar 2025 → May 20264 roundsParticipant—

NNscaleNeocloudsNscale is a London-headquartered “full-stack” AI cloud and sovereign compute infrastructure provider that designs,…$14.6Bvaluation$6.8BraisedRecent roundsDebt - Revolving Credit Facility · Jul 2026$900M · Bank of America, Crédit Agricole CIB +10Debt / financing commitment (Narvik data center expansion) · May 2026$790M · ABN AMRO, DNB +3Series C · Mar 2026$2B · led by 8090 Industries, Aker ASANscale$14.6BMar 2026 → Mar 20261 roundParticipant—

TMThinking Machines Lab$12BJul 2025 → Jul 20251 roundParticipant—

MMagic—Aug 2024 → Aug 20241 roundParticipant—

DateCompanyRoundRaisedValuationRoleEvidence

Aug 18, 2026EEtchedChipsEtched is an AI chip startup building “frontier inference clusters” designed to accelerate inference (both prefill…$21Bvaluation$2.6BraisedRecent roundsSeries D · Aug 2026$700M · led by Jane StreetMultiple unannounced financings (reported total $800M raised) · Jun 2026$800M · Hudson River Trading, Jane Street +9Unspecified financing tranche within stealth period (pre-Series C) · Jun 2026$500MEtchedSeries D$700M$21BLead

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Jun 30, 2026EEtchedChipsEtched is an AI chip startup building “frontier inference clusters” designed to accelerate inference (both prefill…$21Bvaluation$2.6BraisedRecent roundsSeries D · Aug 2026$700M · led by Jane StreetMultiple unannounced financings (reported total $800M raised) · Jun 2026$800M · Hudson River Trading, Jane Street +9Unspecified financing tranche within stealth period (pre-Series C) · Jun 2026$500MEtchedMultiple unannounced financings (reported total $800M raised)$800M—Participant

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May 28, 2026AAnthropicSeries H$65B$965BParticipant

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Mar 09, 2026NNscaleNeocloudsNscale is a London-headquartered “full-stack” AI cloud and sovereign compute infrastructure provider that designs,…$14.6Bvaluation$6.8BraisedRecent roundsDebt - Revolving Credit Facility · Jul 2026$900M · Bank of America, Crédit Agricole CIB +10Debt / financing commitment (Narvik data center expansion) · May 2026$790M · ABN AMRO, DNB +3Series C · Mar 2026$2B · led by 8090 Industries, Aker ASANscaleSeries C$2B$14.6BParticipant

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Feb 12, 2026AAnthropicSeries G$30B$380BParticipant

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Dec 01, 2025EEtchedChipsEtched is an AI chip startup building “frontier inference clusters” designed to accelerate inference (both prefill…$21Bvaluation$2.6BraisedRecent roundsSeries D · Aug 2026$700M · led by Jane StreetMultiple unannounced financings (reported total $800M raised) · Jun 2026$800M · Hudson River Trading, Jane Street +9Unspecified financing tranche within stealth period (pre-Series C) · Jun 2026$500MEtchedSeries B$500M$5BParticipant

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