BlackRock affiliated funds

Tracked participation in 2 Atlas companies, with 0 explicitly attributed leads.

2portfolio companies

3round participations

0lead positions

Mar 2026latest activity

Capital activity

Portfolio

CompanyLatest valuationFirst → latestRoundsRoleAttributed partner

OOpenAIFrontierOpenAI is a frontier AI research and deployment organization structured around a nonprofit mission and a for-profit…$730Bvaluation$399.6BraisedRecent roundsFunding round (new investment + valuation) · Sep 2026$110B · Amazon, NVIDIA +1Funding round (committed capital at close) · Mar 2026$122B · Altimeter, Amazon +37Equity financing (new investment) · Feb 2026$110B · Amazon, NVIDIA +1OpenAI$852BMar 2026 → Mar 20261 roundParticipant—

AAnthropic$380BSep 2025 → Feb 20262 roundsParticipant—

DateCompanyRoundRaisedValuationRoleEvidence

Mar 31, 2026OOpenAIFrontierOpenAI is a frontier AI research and deployment organization structured around a nonprofit mission and a for-profit…$730Bvaluation$399.6BraisedRecent roundsFunding round (new investment + valuation) · Sep 2026$110B · Amazon, NVIDIA +1Funding round (committed capital at close) · Mar 2026$122B · Altimeter, Amazon +37Equity financing (new investment) · Feb 2026$110B · Amazon, NVIDIA +1OpenAIFunding round (committed capital at close)$122B$852BParticipant

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

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Sep 02, 2025AAnthropicSeries F$13B$183BParticipant

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DateCompanyRoundRaisedValuationRoleEvidence

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

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Sep 02, 2025AAnthropicSeries F$13B$183BParticipant

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