Define Ventures | Activity | F4

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Define Ventures Activity

Every public signal F4 has attached to this firm, with sources and cross-entity links.

Types

Time range

Investment

Define Ventures led Arintra's $25M Series B for its AI-driven medical coding and revenue assurance platform.

Arintra

Arintra Define Ventures

fiercehealthcare.comAUG 26, 2026

definevc.com

AUG 26, 2026

Milestone

Define Ventures published a portfolio spotlight on Arintra, an enterprise-grade autonomous medical coding platform powering coding at leading health systems.

Arintra

Arintra Define Ventures

definevc.comAUG 26, 2026

AUG 26, 2026

Investment

Led 9amHealth's $26M Series B for AI-driven virtual specialty care for chronic conditions.

9amHealth

9amHealth Define Ventures

hlth.comMAY 14, 2026

mobihealthnews.com

MAY 14, 2026

Investment

Define Ventures led 9amHealth's $26M Series B to expand its virtual specialty care platform for cardiometabolic conditions.

9am Health

9am Health Define Ventures

fiercehealthcare.comMAY 13, 2026

MAY 13, 2026

Essay

Published comprehensive AI investing thesis outlining framework for healthcare transformation across four layers: front-door personalization, data foundation, insight extraction, and workflow automation.

AI in Healthcare: From Noise to Meaningful Transformation

Define Ventures

definevc.com

Added recently

Milestone

Define Ventures published a portfolio spotlight on Valius Sciences, which uses advanced diagnostics to identify personalized treatment options for patients with rare and aggressive cancers.

Valius Sciences

Valius Sciences Define Ventures

definevc.comAPR 23, 2026

APR 23, 2026

Milestone

Define Ventures published a portfolio spotlight on Luminai, which automates manual business processes for healthcare operations at enterprise scale.

Luminai

Luminai Define Ventures

definevc.comAPR 9, 2026

APR 9, 2026

Investment

Participated in Valius Sciences' $10M seed financing for comprehensive cancer diagnostics.

Valius Sciences

Valius Sciences Define Ventures

valiussciences.comAPR 9, 2026

definevc.com

APR 9, 2026

Investment

Led investment in Luminai's $38M Series B round for AI-powered healthcare workflow automation, bringing total capital raised to ~$60M.

Luminai

Luminai Define Ventures

forbes.comAPR 9, 2026

APR 9, 2026

Exit

Portfolio company Fair Square Medicare was acquired in January 2026.

Fair Square Medicare

Fair Square Medicare Define Ventures

tracxn.comJAN 2026

seniormarketsales.com

JAN 2026

Milestone

Define Ventures published a portfolio spotlight on Hyro, a conversational AI platform for healthcare patient access.

Hyro

Hyro Define Ventures

definevc.comOCT 21, 2025

OCT 21, 2025

Milestone

Define Ventures published a portfolio spotlight on Foundation Health, a holistic pharmacy platform improving navigation across the pharmaceutical ecosystem.

Foundation Health

Foundation Health Define Ventures

definevc.comOCT 8, 2025

OCT 8, 2025

Exit

Portfolio company Waltz Health completed an exit in August 2025.

Waltz Health

Waltz Health Define Ventures

pitchbook.comAUG 26, 2025

eversana.com

AUG 26, 2025

Essay

Define Ventures published a comprehensive AI investing thesis, 'AI in Healthcare — From Noise to Meaningful Transformation,' detailing the firm's 'House of Healthcare' framework for AI value creation across personalization, data liquidity, and workflow automation.

Define Ventures publishes comprehensive AI in Healthcare thesis

Define Ventures

definevc.comAUG 21, 2025

AUG 21, 2025

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