Blackstone

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

Firm website ↗

7portfolio companies

9round participations

0lead positions

Aug 2026latest activity

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$21BAug 2026 → Aug 20261 roundParticipant—

DDatabricks$190BAug 2026 → Aug 20261 roundParticipant—

AAnthropic$965BSep 2025 → May 20263 roundsParticipant—

FFactory$1.5BApr 2026 → Apr 20261 roundParticipant—

OOpenAIFrontierOpenAI is an AI research and deployment company focused on building safe and beneficial artificial general…$852Bvaluation$291.6BraisedRecent roundsIssuer tender / employee stock tender (secondary liquidity; self-funded buyback) · Aug 2026$7Bcommitted capital funding round (latest) · Mar 2026$122B · Altimeter, Amazon +26Primary funding round (committed capital) · Feb 2026$110B · Amazon, Microsoft +2OpenAI$852BMar 2026 → Mar 20261 roundParticipant—

SAShield AIPhysical AIShield AI is a San Diego-based defense technology company building AI pilots and autonomous mission systems for…$12.7Bvaluation$3.1BraisedRecent roundsSeries G (plus fixed-return preferred equity and financing structure) · Mar 2026$1.5B · led by Advent International, JPMorganChase’s Security and Resiliency Initiative (Strategic Investment Group)F-1 strategic funding round · Mar 2025$240M · Andreessen Horowitz, Hanwha Asset Management +3Series F expansion · Dec 2023$500M · Hercules CapitalShield AI$12.7BMar 2026 → Mar 20261 roundParticipant—

OOpenEvidence$6BOct 2025 → Oct 20251 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$21BParticipant