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Firm & fund profile / Sourced portfolio

Spark Capital

Tracked participation in 11 Atlas companies, with 10 explicitly attributed leads.

Firm website ↗

11portfolio companies

23round participations

10lead positions

$2.3Bled round total

Conviction

Most recent leads

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

Apr 2026MastraSeries A$22M Feb 2025BasetenSeries C$75M Oct 2024GranolaSeries A$20M Jun 2024PikaSeries B$80Mat $470M valuation Mar 2024ProfluentAdditional funding / Series A (amount disclosed as additional $35M)$35MOct 2023AbridgeSeries B$30M

Capital activity

Portfolio

CompanyLatest valuationFirst → latestRoundsRoleAttributed partner

GAGeneralist AI$2BMar 2025 → Jun 20263 roundsParticipant—

MMastra—Apr 2026 → Apr 20261 round1 led—

PProfluent—Mar 2024 → Nov 20252 rounds1 led—

CCrusoeNeocloudsCrusoe is a vertically integrated AI infrastructure provider built around energy-first compute. The company says it…$10Bvaluation$3.8BraisedRecent roundsSeries E · Oct 2025$1.4B · led by Mubadala Capital, Valor Equity PartnersDebt financing (credit facility) · Jun 2025$750M · led by Brookfield Asset ManagementDebt financing (credit facility) · Mar 2025$225M · led by Upper90 Capital ManagementCrusoe$10BOct 2025 → Oct 20251 roundParticipant—

GGranola$250MOct 2024 → May 20252 rounds1 led—

BBaseten$13BFeb 2025 → Feb 20253 rounds3 led—

AAbridge—Oct 2023 → Feb 20253 rounds1 led—

PPika$470MJun 2024 → Jun 20241 round1 led—

AAnthropic$18.4BMay 2023 → Jan 20242 rounds1 led—

DDescript$550MJan 2021 → Nov 20222 rounds1 ledNabeel Hyatt

LLightmatter—Feb 2018 → May 20213 roundsParticipant—

DateCompanyRoundRaisedValuationRoleEvidence

Jun 04, 2026GAGeneralist AISeries B$400M$2BParticipant

Apr 09, 2026MMastraSeries A$22M—Lead

Nov 19, 2025PProfluentSeries B$106M—Participant

Oct 24, 2025CCrusoeNeocloudsCrusoe is a vertically integrated AI infrastructure provider built around energy-first compute. The company says it…$10Bvaluation$3.8BraisedRecent roundsSeries E · Oct 2025$1.4B · led by Mubadala Capital, Valor Equity PartnersDebt financing (credit facility) · Jun 2025$750M · led by Brookfield Asset ManagementDebt financing (credit facility) · Mar 2025$225M · led by Upper90 Capital ManagementCrusoeSeries E$1.4B$10BParticipant

May 14, 2025GGranolaSeries B$43M$250MParticipant

Mar 19, 2025GAGeneralist AISeries A$128M$440MParticipant

Mar 19, 2025GAGeneralist AISeries Seed$12.5M$440MParticipant

Source ↗+1 ↗

Feb 19, 2025BBasetenSeries C$75M—Lead

Feb 17, 2025AAbridgeSeries D$250M—Participant

Oct 23, 2024GGranolaSeries A$20M—Lead

Jun 05, 2024PPikaSeries B$80M$470MLead

Mar 21, 2024PProfluentAdditional funding / Series A (amount disclosed as additional $35M)$35M—Lead

Feb 23, 2024AAbridgeSeries C$150M—Participant

Jan 11, 2024AAnthropicSeries D$750M$18.4BParticipant

Oct 26, 2023AAbridgeSeries B$30M—Lead

May 23, 2023AAnthropicSeries C$450M—Lead

Nov 15, 2022DDescriptSeries C$50M$550MParticipant

May 06, 2021LLightmatterSeries B$80M—Participant

Jan 12, 2021DDescriptSeries B$30M—Lead · Nabeel Hyatt

Feb 25, 2019LLightmatterSeries A-1$22M—Participant

Feb 05, 2018LLightmatterSeries A$11M—Participant

UndatedBBasetenSeries B$40M—Lead

UndatedBBasetenSeries F$1.5B$13BLead

DateCompanyRoundRaisedValuationRoleEvidence

UndatedBBasetenSeries F$1.5B$13BLead

Oct 24, 2025CCrusoeNeocloudsCrusoe is a vertically integrated AI infrastructure provider built around energy-first compute. The company says it…$10Bvaluation$3.8BraisedRecent roundsSeries E · Oct 2025$1.4B · led by Mubadala Capital, Valor Equity PartnersDebt financing (credit facility) · Jun 2025$750M · led by Brookfield Asset ManagementDebt financing (credit facility) · Mar 2025$225M · led by Upper90 Capital ManagementCrusoeSeries E$1.4B$10BParticipant

Jan 11, 2024AAnthropicSeries D$750M$18.4BParticipant

May 23, 2023AAnthropicSeries C$450M—Lead

Jun 04, 2026GAGeneralist AISeries B$400M$2BParticipant

Feb 17, 2025AAbridgeSeries D$250M—Participant

Feb 23, 2024AAbridgeSeries C$150M—Participant

Mar 19, 2025GAGeneralist AISeries A$128M$440MParticipant

Nov 19, 2025PProfluentSeries B$106M—Participant

Jun 05, 2024PPikaSeries B$80M$470MLead

May 06, 2021LLightmatterSeries B$80M—Participant

Feb 19, 2025BBasetenSeries C$75M—Lead

Nov 15, 2022DDescriptSeries C$50M$550MParticipant

May 14, 2025GGranolaSeries B$43M$250MParticipant

UndatedBBasetenSeries B$40M—Lead

Mar 21, 2024PProfluentAdditional funding / Series A (amount disclosed as additional $35M)$35M—Lead

Oct 26, 2023AAbridgeSeries B$30M—Lead

Jan 12, 2021DDescriptSeries B$30M—Lead · Nabeel Hyatt

Apr 09, 2026MMastraSeries A$22M—Lead

Feb 25, 2019LLightmatterSeries A-1$22M—Participant

Oct 23, 2024GGranolaSeries A$20M—Lead

Mar 19, 2025GAGeneralist AISeries Seed$12.5M$440MParticipant

Source ↗+1 ↗

Feb 05, 2018LLightmatterSeries A$11M—Participant