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GP

Firm & fund profile / Sourced portfolio

Greylock Partners

Tracked participation in 3 Atlas companies, with 2 explicitly attributed leads.

3portfolio companies

11round participations

2lead positions

$105Mled round total

Conviction

Most recent leads

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

Feb 2020CrestaSeries A$15M Feb 2018AuroraSeries A$90M

Capital activity

Portfolio

CompanyLatest valuationFirst → latestRoundsRoleAttributed partner

BBaseten$44.6MDec 2019 → Feb 20255 roundsParticipantSarah Guo

CCresta$1.6BFeb 2020 → Nov 20245 rounds1 led—

AAuroraPhysical AIAurora Innovation (NASDAQ: AUR) is a public self-driving technology company focused on commercial autonomous…$3.9BraisedRecent roundsATM program (equity capital raised during Q2 2026) · Jun 2026$221M · ATM buyers (not individually specified in Form 10-Q)Equity public offering (upsized) · Aug 2024$483M · Public offering investors (not individually specified in press release)Equity public offering + concurrent private placement · Jul 2023$820M · Private placement investors (not individually specified in press release), Public offering investors (not individually specified in press release)Aurora—Feb 2018 → Feb 20181 round1 led—

DateCompanyRoundRaisedValuationRoleEvidence

Feb 19, 2025BBasetenSeries C$75M—Participant

Nov 18, 2024CCrestaSeries D$125M—Participant

Mar 17, 2022CCrestaSeries C$80M$1.6BParticipant

Mar 31, 2021CCrestaSeries B$50M—Participant

Feb 03, 2020CCrestaSeed + Series A (as disclosed for launch funding)$21M—Participant

Feb 03, 2020CCrestaSeries A$15M—Lead

Jan 01, 2020BBasetenSeries A$20M—Participant · Sarah Guo

Dec 02, 2019BBasetenSeed—$44.6MParticipant

Feb 28, 2018AAuroraPhysical AIAurora Innovation (NASDAQ: AUR) is a public self-driving technology company focused on commercial autonomous…$3.9BraisedRecent roundsATM program (equity capital raised during Q2 2026) · Jun 2026$221M · ATM buyers (not individually specified in Form 10-Q)Equity public offering (upsized) · Aug 2024$483M · Public offering investors (not individually specified in press release)Equity public offering + concurrent private placement · Jul 2023$820M · Private placement investors (not individually specified in press release), Public offering investors (not individually specified in press release)AuroraSeries A$90M—Lead

UndatedBBasetenSeed (co-led by Sarah Guo from Greylock Partners in 2019)——Participant · Sarah Guo

UndatedBBasetenSeries B$40M—Participant

DateCompanyRoundRaisedValuationRoleEvidence

Nov 18, 2024CCrestaSeries D$125M—Participant

Feb 28, 2018AAuroraPhysical AIAurora Innovation (NASDAQ: AUR) is a public self-driving technology company focused on commercial autonomous…$3.9BraisedRecent roundsATM program (equity capital raised during Q2 2026) · Jun 2026$221M · ATM buyers (not individually specified in Form 10-Q)Equity public offering (upsized) · Aug 2024$483M · Public offering investors (not individually specified in press release)Equity public offering + concurrent private placement · Jul 2023$820M · Private placement investors (not individually specified in press release), Public offering investors (not individually specified in press release)AuroraSeries A$90M—Lead

Mar 17, 2022CCrestaSeries C$80M$1.6BParticipant

Feb 19, 2025BBasetenSeries C$75M—Participant

Mar 31, 2021CCrestaSeries B$50M—Participant

UndatedBBasetenSeries B$40M—Participant

Feb 03, 2020CCrestaSeed + Series A (as disclosed for launch funding)$21M—Participant

Jan 01, 2020BBasetenSeries A$20M—Participant · Sarah Guo

Feb 03, 2020CCrestaSeries A$15M—Lead

Dec 02, 2019BBasetenSeed—$44.6MParticipant

UndatedBBasetenSeed (co-led by Sarah Guo from Greylock Partners in 2019)——Participant · Sarah Guo