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)
Pear Tree Ventures
VC AI T2
Los Angeles, United States
unknown
Pear Tree Ventures is a Los Angeles seed and Series A fund focused on Web3, AI, and climate technology. It is distinct…
AI/ML in Healthcare Health IT / Healthcare Software
Polaris Partners
VC T3
Boston, United States
unknown
Polaris Partners is a Boston-based, multi-stage investment firm with deep healthcare and life-sciences expertise, having backed category-leading therapeutics, devices, diagnostics and digital…
AI/ML in Healthcare Biotech
Precision Life Science Partners
VC T3
Newark, United States
unknown
Precision Life Science Partners, with website plsp.pro, is positioned as a specialist life-sciences investor based on its name, though the source data…
Biotech Medical Devices / MedTech
Q Angels
Angel Network T3
Istanbul, Turkey
unknown
Q Angels is an angel network or syndicate vehicle, signaled by its LinkedIn, Twitter and Crunchbase presence but absence of a dedicated…
Digital Health
QVT Financial
Family Office T3
New York, United States
unknown
QVT Financial is a multi-strategy investment management firm based in New York with a long history in distressed debt, special situations, event-driven…
Biotech Life Sciences Tools
Radical Ventures
VC T1
Toronto, Canada
unknown
Radical Ventures is a Toronto-headquartered AI-first venture capital firm with offices in San Francisco and London and over $2.5 billion in assets…
AI/ML in Healthcare Biotech
Recode Ventures
VC T3
San Francisco, United States
unknown
Recode Ventures is a venture firm with website and LinkedIn presence whose naming suggests a thesis around technology-driven transformation or ‘recoding’ legacy…
AI/ML in Healthcare Biotech
Ride Home Fund
VC T3
Brooklyn, United States
unknown
Ride Home Fund is the venture vehicle associated with Brian McCullough’s Techmeme Ride Home and Founders Journey podcasts, deploying small early-stage checks…
AI/ML in Healthcare Biotech
Riyad Capital
PE AI T2
Riyadh, Saudi Arabia
unknown
Riyad Capital is the investment arm of Riyad Bank, one of Saudi Arabia’s largest commercial banks, operating private equity, asset management, and…
Care Delivery / Tech-Enabled Services Digital Health
Samsung Next
Corporate VC T3
Mountain View, United States
unknown
Samsung Next is the venture and innovation arm of Samsung focused on consumer software, AI, and digital platforms, including selectively digital health,…
AI/ML in Healthcare Care Delivery / Tech-Enabled Services
Santé Ventures
VC T3
Austin, United States
unknown
Santé Ventures is an Austin-based healthcare-dedicated venture firm investing across medical devices, biotechnology, digital health, and healthcare services, with a long track…
AI/ML in Healthcare Biotech
Saudi Venture Capital Company (SVC)
VC AI T2
Riyadh, Saudi Arabia
unknown
Saudi Venture Capital Company (SVC) is a Riyadh-based, government-backed fund of funds that anchors Saudi Arabia’s venture capital and venture debt ecosystem.…
Digital Health Health IT / Healthcare Software
Section 32
VC T3
Palo Alto, United States
unknown
Section 32 is a venture firm founded by former Google Ventures partner Bill Maris with a thesis at the intersection of frontier…
AI/ML in Healthcare Biotech
Secure Octane Investments
VC T3
San Francisco, United States
unknown
Secure Octane Investments is a small specialist venture firm focused on cybersecurity, with a portfolio concentrated in security infrastructure, identity, and adjacent…
AI/ML in Healthcare Health IT / Healthcare Software
Semapa Next
Corporate VC T3
Lisbon, Portugal
unknown
Semapa Next is the corporate venture arm of Semapa, the Portuguese industrial holding group, investing in startups whose products align with the…
Wellness / Consumer Health
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