B Capital

Tracked participation in 5 Atlas companies, with 2 explicitly attributed leads.

5portfolio companies

10round participations

2lead positions

$500Mled round total

Conviction

Most recent leads

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

Feb 2026GoodfireSeries B$150Mat $1.3B valuation Feb 2025ApptronikSeries A$350Mat $1.8B valuation

Capital activity

Portfolio

CompanyLatest valuationFirst → latestRoundsRoleAttributed partner

AApptronikPhysical AIApptronik is a private, Austin, Texas-based robotics company building “general-purpose” humanoid robots aimed at…$5.3Bvaluation$1.8BraisedRecent roundsSeries A-X (extension / re-opened) · Feb 2026$520M · AT&T Ventures, B Capital +5Series A-X extension · Nov 2025$520M · AT&T Ventures, B Capital +5Series A extension / additional close · Mar 2025$53M · ARK Invest, B Capital +8Apptronik$5.3BFeb 2025 → Feb 20265 rounds1 led—

GGoodfire$1.3BApr 2025 → Feb 20262 rounds1 led—

RAReflection AI$8BOct 2025 → Oct 20251 roundParticipant—

WWriter$1.9BNov 2024 → Nov 20241 roundParticipant—

LLambda—Feb 2024 → Feb 20241 roundParticipant—

DateCompanyRoundRaisedValuationRoleEvidence

Feb 11, 2026AApptronikPhysical AIApptronik is a private, Austin, Texas-based robotics company building “general-purpose” humanoid robots aimed at…$5.3Bvaluation$1.8BraisedRecent roundsSeries A-X (extension / re-opened) · Feb 2026$520M · AT&T Ventures, B Capital +5Series A-X extension · Nov 2025$520M · AT&T Ventures, B Capital +5Series A extension / additional close · Mar 2025$53M · ARK Invest, B Capital +8ApptronikSeries A-X (extension / re-opened)$520M$5.3BParticipant

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Feb 05, 2026GGoodfireSeries B$150M$1.3BLead

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Nov 05, 2025AApptronikPhysical AIApptronik is a private, Austin, Texas-based robotics company building “general-purpose” humanoid robots aimed at…$5.3Bvaluation$1.8BraisedRecent roundsSeries A-X (extension / re-opened) · Feb 2026$520M · AT&T Ventures, B Capital +5Series A-X extension · Nov 2025$520M · AT&T Ventures, B Capital +5Series A extension / additional close · Mar 2025$53M · ARK Invest, B Capital +8ApptronikSeries A-X extension$520M$5.3BParticipant

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Oct 09, 2025RAReflection AISeries B$2B$8BParticipant

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Apr 17, 2025GGoodfireSeries A$50M—Participant

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Mar 18, 2025AApptronikPhysical AIApptronik is a private, Austin, Texas-based robotics company building “general-purpose” humanoid robots aimed at…$5.3Bvaluation$1.8BraisedRecent roundsSeries A-X (extension / re-opened) · Feb 2026$520M · AT&T Ventures, B Capital +5Series A-X extension · Nov 2025$520M · AT&T Ventures, B Capital +5Series A extension / additional close · Mar 2025$53M · ARK Invest, B Capital +8ApptronikSeries A extension / additional close$53M$1.8BParticipant

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Feb 13, 2025AApptronikPhysical AIApptronik is a private, Austin, Texas-based robotics company building “general-purpose” humanoid robots aimed at…$5.3Bvaluation$1.8BraisedRecent roundsSeries A-X (extension / re-opened) · Feb 2026$520M · AT&T Ventures, B Capital +5Series A-X extension · Nov 2025$520M · AT&T Ventures, B Capital +5Series A extension / additional close · Mar 2025$53M · ARK Invest, B Capital +8ApptronikSeries A$350M$1.8BLead

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Nov 12, 2024WWriterSeries C$200M$1.9BParticipant

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Feb 15, 2024LLambdaSeries C$320M—Participant

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DateCompanyRoundRaisedValuationRoleEvidence

Oct 09, 2025RAReflection AISeries B$2B$8BParticipant

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Feb 15, 2024LLambdaSeries C$320M—Participant

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Nov 12, 2024WWriterSeries C$200M$1.9BParticipant

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Feb 05, 2026GGoodfireSeries B$150M$1.3BLead

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Apr 17, 2025GGoodfireSeries A$50M—Participant

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