Healthcare AI investors writing unknown checks

Investors whose typical check size falls in the unknown range for healthcare AI deals. Useful for sizing your round and identifying the right tier of partners.

An "unknown" check size indicates that the precise investment amount was intentionally kept confidential by the startup and the investors. This is a common practice in highly competitive deals, strategic corporate venture investments, or unpriced bridge financing rounds.
111 investors match

Within unknown: top investment stages

Seed (97) Series A (76) Pre-Seed (44) Series B (38) Growth (24) Series C (11) Series D+ (9)
Joyance Partners
VC T3
San Francisco, United States
unknown
Joyance Partners is a Bay Area-based seed fund founded by Howard Morgan and Mike Edelhart, with a distinctive thesis focused on companies…
Biotech Digital Health
Kamet Ventures
Startup Studio T3
Paris, France
unknown
Kamet Ventures is the venture builder and investor arm of AXA, the French global insurance group, with a thesis built around building…
AI/ML in Healthcare Care Delivery / Tech-Enabled Services
Kickstart Innovation
Accelerator T3
Zurich, Switzerland
unknown
Kickstart Innovation is a Zurich-based startup accelerator and corporate innovation platform connecting Swiss and international startups with corporate partners across smart cities,…
AI/ML in Healthcare Digital Health
LeverageVC
VC T3
Toronto, Canada
unknown
LeverageVC is a small, generalist early-stage firm with a quiet public footprint and no declared healthcare specialization. The thesis appears to lean…
Care Delivery / Tech-Enabled Services Digital Health
Lightbank
VC T3
Chicago, United States
unknown
Lightbank is the Chicago-based early-stage venture firm founded by the Groupon founders, focused on B2B software, marketplaces, and consumer internet companies in…
AI/ML in Healthcare Biotech
Lightspeed Venture Partners
VC T1
Menlo Park, United States
unknown
Lightspeed Venture Partners is one of the largest multi-stage firms in the world, with offices in the US, India, China, Europe, Israel,…
AI/ML in Healthcare Biotech
Lightstone Ventures
VC T3
Menlo Park, United States
unknown
Lightstone Ventures is a Boston- and Bay Area-anchored healthcare venture firm investing across biotech, medical devices, and digital health, with the resources…
Biotech Medical Devices / MedTech
LRVHealth
VC T3
Boston, United States
unknown
LRVHealth is a Boston-based healthcare-dedicated venture firm with one of the more distinctive structures in the category: its limited partners are predominantly…
AI/ML in Healthcare Care Delivery / Tech-Enabled Services
Lumine Group
PE T3
Mississauga, Canada
unknown
Lumine Group is a publicly traded vertical market software acquirer spun out of Constellation Software, with a buy-and-hold mandate focused on communications…
Health IT / Healthcare Software
M12
Corporate VC T3
San Francisco, United States
unknown
M12 is Microsoft’s venture arm, investing across enterprise software, AI infrastructure, security, and selectively in health technology where the company integrates with…
AI/ML in Healthcare Biotech
Madrona Venture Group
VC T3
Seattle, United States
unknown
Madrona Venture Group is a Seattle-based generalist firm with a multi-decade track record of investing across enterprise software, AI infrastructure, and applied…
AI/ML in Healthcare Biotech
Marigold Capital
VC T3
Toronto, Canada
unknown
Marigold Capital is an impact-oriented investor with a thesis tilted toward social outcomes, including health equity, community wellbeing, and inclusive economic development.…
Digital Health Mental & Behavioral Health
Mater Dei (CVC)
Corporate VC AI T2
Belo Horizonte, Brazil
unknown
Mater Dei’s corporate venture activity sits inside one of Brazil’s most respected private hospital networks, and this is the prism through which…
Care Delivery / Tech-Enabled Services Health IT / Healthcare Software
MD One Ventures
VC T3
London, United Kingdom
unknown
MD One Ventures is a healthcare-focused early-stage venture firm investing in companies aligned with provider-side innovation, digital health, and clinical workflow categories.…
Biotech Diagnostics
Meridian Street Capital
VC T3
New York, United States
unknown
Meridian Street Capital is an Indianapolis-area investment firm whose name draws on a defining street in the city, signaling a Midwest-rooted, often…
Care Delivery / Tech-Enabled Services Digital Health
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