645 Ventures is an early-stage venture capital firm backing exceptional founders across Enterprise, Deep Tech, AI Infrastructure, Fintech, Consumer, Cybersecurity, and Health Tech.
5 vehicles, latest 2022reported GAV $625M2 investment professionalsaienterprise softwarefintech
venture manager, reported GAV $122M across 38 vehicles
38 vehicles, latest 2025reported GAV $122M
Starting LineChicago, IL · startingline.vc, @startinglinevc · SEC venture capital fund adviser
VCOne firm, 2 filing advisers on startingline.vc, @startinglinevc
venture manager, reported GAV $106M across 12 vehicles
12 vehicles, latest 2024reported GAV $106M1 investment professional
One firm, 3 filing advisers on v•••••••••.com · V••• V•••••••
venture manager, reported GAV $640M across 4 vehicles
4 vehicles, latest 2019reported GAV $640M4 investment professionals1 investmentinvested Dec 1, 2025biotechmedia
venture manager, reported GAV $81M across 11 vehicles
11 vehicles, latest 2026reported GAV $80.7Mraising5 investment professionals1 investmentinvested Jan 13, 2026aihealthcarebiotech
venture manager, reported GAV $212M across 5 vehicles
6 vehicles, latest 20238 investment professionals1 investmentinvested Sep 16, 2026healthcarebiotechmedtech
venture manager, reported GAV $95M across 3 vehicles
3 vehicles, latest 20235 investment professionals20 investmentsinvested Sep 16, 2026media
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6 vehicles, latest 20232 investment professionals2 investmentsinvested Sep 16, 2026media
both early and growth/opportunity families, reported GAV $677M
5 vehicles, latest 2024reported GAV $677M1 investment professionalbiotechindustrial
One firm, 6 filing advisers on a•••••••••.com · A••• P•••••••
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4 vehicles, latest 20214 investment professionals1 investmentinvested Sep 13, 2026ai
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8 vehicles, latest 2024reported GAV $136M1 investment professional3 investmentsinvested Sep 16, 2026aienterprise softwarehealthcare
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5 vehicles, latest 2020reported GAV $765Maiconsumermarketplaces
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1 vehicle, latest 2021reported GAV $322M15 investment professionalsbiotechmedia
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12 vehicles, latest 2021reported GAV $100M1 investment professionalaifintechspace
O•• C••••••Oslo · o••.no · SEC venture capital fund adviser
CVCcorporate parent: OMP Sicav Plc
5 vehicles, latest 2024
venture manager, reported GAV $113M across 24 vehicles
25 vehicles, latest 2026reported GAV $113M1 investmentinvested Dec 2, 2025
both early and growth/opportunity families, reported GAV $114M
12 vehicles, latest 2023reported GAV $114M
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2 vehicles, latest 20256 investment professionals24 investmentsinvested Sep 16, 2026fintech
A•••• L••Great Falls, VA · a••.vc · SEC venture capital fund adviser
multi-stage••• Locked
5 vehicles, latest 2024reported GAV $188M2 investment professionals5 investmentsinvested Sep 16, 2026aienterprise softwarefintech
C•••• C••••••New York, NY · c•••••••••.com · SEC venture capital fund adviser
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7 vehicles, latest 2024reported GAV $134M9 investment professionals1 investmentinvested Mar 31, 2026aienterprise softwarehealthcare
venture manager, reported GAV $221M across 9 vehicles
10 vehicles, latest 2022
venture manager, reported GAV $111M across 9 vehicles
14 vehicles, latest 2024reported GAV $111M
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3 vehicles, latest 2025reported GAV $166M6 investment professionals6 investments2 partner-attributedemerginginvested Sep 18, 2026enterprise softwaredefenseindustrial
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4 vehicles, latest 2023reported GAV $116M2 investment professionals14 investmentsinvested Sep 16, 2026consumerclimateenergy
N•• C•••••• L••Stamford, CT · n•••••••••.com · SEC venture capital fund adviser
multi-stageboth early and growth/opportunity families, reported GAV $125M
9 vehicles, latest 20206 investment professionals
venture manager, reported GAV $100M across 8 vehicles
8 vehicles, latest 2025raising1 investment professional3 investmentsinvested Sep 16, 2026ai
venture manager, reported GAV $188M across 6 vehicles
8 vehicles4 investment professionals
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4 vehicles, latest 2024reported GAV $178M9 investment professionals2 investments1 partner-attributedinvested Sep 12, 2026aienterprise softwarehealthcare
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5 vehicles, latest 2023reported GAV $130Mraising13 investment professionals1 investment1 partner-attributedinvested Aug 9, 2024aienterprise softwarefintech
One firm, 2 filing advisers on i•••••••••.com · I•••••••
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4 vehicles, latest 2024reported GAV $49.8M5 investment professionals26 investmentsinvested Sep 16, 2026media
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9 vehicles, latest 2024reported GAV $74.3M3 investment professionals3 investments1 partner-attributedinvested Sep 16, 2026aihealthcareconsumer
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4 vehicles, latest 20224 investment professionals55 investmentsinvested Sep 16, 2026
both early and growth/opportunity families, reported GAV $71M
57 vehicles, latest 2026reported GAV $70.6Mraising3 investment professionals
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6 vehicles, latest 2024reported GAV $196M4 investment professionals2 investmentsinvested Sep 16, 2026healthcaremedtech
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3 vehicles, latest 20247 investment professionals52 investmentsinvested Sep 16, 2026aienterprise softwareconsumer
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8 vehicles, latest 2025reported GAV $76.5M7 investment professionals2 investmentsinvested Sep 16, 2026aifintechconsumer
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4 vehicles, latest 2023reported GAV $284M9 investment professionalsbiotech
both early and growth/opportunity families, reported GAV $140M
9 vehicles, latest 20184 investment professionals
venture manager, reported GAV $103M across 37 vehicles
37 vehicles, latest 2026reported GAV $103M
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4 vehicles, latest 2021reported GAV $606M3 investment professionalsaihardwaremedia
venture manager, reported GAV $103M across 14 vehicles
14 vehicles, latest 2026reported GAV $103Mraising
One firm, 2 filing advisers on r•••••••••.com · R•• V•••••••
venture manager, reported GAV $565M across 5 vehicles
5 vehicles, latest 20232 investment professionalsaienterprise softwarefintech
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6 vehicles, latest 20135 investment professionals2 investmentsinvested Sep 16, 2026hardwareroboticsmedia
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4 vehicles, latest 2024reported GAV $120M2 investment professionals12 investmentsinvested Sep 16, 2026biotechclimatemedia
venture manager, reported GAV $1,012M across 3 vehicles
3 vehicles, latest 2023reported GAV $1.0B1 investment professional
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7 vehicles, latest 20221 investment professional30 investmentsinvested Sep 16, 2026aispacedevtools
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11 vehicles, latest 2026reported GAV $101M2 investment professionals
E•••• P•••Boerne, TX · SEC venture capital fund adviser
multi-stageboth early and growth/opportunity families, reported GAV $294M
8 vehicles, latest 2026reported GAV $294Mraising
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2 vehicles, latest 20244 investment professionals22 investmentsinvested Sep 16, 2026healthcare
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8 vehicles, latest 2026reported GAV $71.2Mraising11 investment professionals1 investmentinvested Nov 17, 2025aiconsumerenergy