StepStone Group

Tracked participation in 7 Atlas companies, with 0 explicitly attributed leads.

Firm website ↗

7portfolio companies

7round participations

0lead positions

Jan 2026latest activity

Capital activity

Portfolio

CompanyLatest valuationFirst → latestRoundsRoleAttributed partner

SSpaceXAI—Jan 2026 → Jan 20261 roundParticipant—

BFBlack Forest Labs$3.3BDec 2025 → Dec 20251 roundParticipant—

CCrusoeNeocloudsCrusoe is an energy-first AI infrastructure company that builds and operates AI data center “factory” capacity and…$10Bvaluation$3.8BraisedRecent roundsSeries E (initial closing) · Oct 2025$1.4B · led by Mubadala Capital, Valor Equity PartnersCredit facility (debt) · Aug 2025$175M · led by Victory Park CapitalCredit facility (debt) · Jun 2025$750M · led by Brookfield Asset Management (infrastructure debt platform)Crusoe$10BOct 2025 → Oct 20251 roundParticipant—

SSiMa.aiChipsSiMa.ai (SiMa Technologies, Inc.) builds machine-learning systems-on-chip (MLSoC) technology and a software…$362MraisedRecent roundsStrategic investment (equity; amount not disclosed) · Apr 2026Micron Technology, Inc.Oversubscribed round · Aug 2025$85M · led by Maverick CapitalAdditional funding (post-Series B / growth round as described by SiMa.ai) · Apr 2024$70M · led by Maverick CapitalSiMa.ai—Aug 2025 → Aug 20251 roundParticipant—

RRegie.ai—Feb 2025 → Feb 20251 roundParticipant—

PPoolside$3BOct 2024 → Oct 20241 roundParticipant—

KKodiakPhysical AIKodiak AI (Nasdaq: KDK) is a physical-AI autonomous trucking company building the Kodiak Driver, a vehicle-agnostic…$471.3MraisedRecent roundsPIPE (private placement) · May 2026$100M · Ares Management (affiliate), Ares Management affiliate (including an affiliate of Ares Management)PIPE / convertible preferred investment (Series A Preferred Investment) · Sep 2025$145MSecond Lien Facility (convertible notes bridge financing) · Apr 2025$28.3M · Aliya Growth Fund LLC—Series AGKodiak—Nov 2021 → Nov 20211 roundParticipant—

DateCompanyRoundRaisedValuationRoleEvidence

Jan 06, 2026SSpaceXAISeries E$20B—Participant

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Dec 01, 2025BFBlack Forest LabsSeries B$300M$3.3BParticipant

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Oct 24, 2025CCrusoeNeocloudsCrusoe is an energy-first AI infrastructure company that builds and operates AI data center “factory” capacity and…$10Bvaluation$3.8BraisedRecent roundsSeries E (initial closing) · Oct 2025$1.4B · led by Mubadala Capital, Valor Equity PartnersCredit facility (debt) · Aug 2025$175M · led by Victory Park CapitalCredit facility (debt) · Jun 2025$750M · led by Brookfield Asset Management (infrastructure debt platform)CrusoeSeries E (initial closing)$1.4B$10BParticipant

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Aug 01, 2025SSiMa.aiChipsSiMa.ai (SiMa Technologies, Inc.) builds machine-learning systems-on-chip (MLSoC) technology and a software…$362MraisedRecent roundsStrategic investment (equity; amount not disclosed) · Apr 2026Micron Technology, Inc.Oversubscribed round · Aug 2025$85M · led by Maverick CapitalAdditional funding (post-Series B / growth round as described by SiMa.ai) · Apr 2024$70M · led by Maverick CapitalSiMa.aiOversubscribed round$85M—Participant

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Feb 26, 2025RRegie.aiSeries B$30M—Participant

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Oct 02, 2024PPoolsideSeries B$500M$3BParticipant

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Nov 11, 2021KKodiakPhysical AIKodiak AI (Nasdaq: KDK) is a physical-AI autonomous trucking company building the Kodiak Driver, a vehicle-agnostic…$471.3MraisedRecent roundsPIPE (private placement) · May 2026$100M · Ares Management (affiliate), Ares Management affiliate (including an affiliate of Ares Management)PIPE / convertible preferred investment (Series A Preferred Investment) · Sep 2025$145MSecond Lien Facility (convertible notes bridge financing) · Apr 2025$28.3M · Aliya Growth Fund LLC—Series AGKodiakSeries B$125M—Participant

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DateCompanyRoundRaisedValuationRoleEvidence

Jan 06, 2026SSpaceXAISeries E$20B—Participant

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Oct 02, 2024PPoolsideSeries B$500M$3BParticipant

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Dec 01, 2025BFBlack Forest LabsSeries B$300M$3.3BParticipant

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Feb 26, 2025RRegie.aiSeries B$30M—Participant

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