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F4/Defined VC/Activity

Defined VC Activity

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

Types

Time range

3 milestonesShow all

Milestone

Portfolio company Variational AI entered collaboration with Merck to discover novel small molecule therapeutics using its Enki AI platform. Total potential deal value up to USD $349 million.

Variational AI

Variational AI Defined VC

Defined VC | Activity | F4

definedvc.com

Added recently

Milestone

Portfolio company Zyphra announced Zyphra Cloud, a full-stack AI platform on AMD powered by TensorWave, launching with Zyphra Inference — a serverless inference service for frontier open-weight models focused on long-horizon agentic workloads.

Zyphra

Zyphra Defined VC

definedvc.com

Added recently

Milestone

Portfolio company Foundation Robotics entered strategic collaboration with AMD to power its Phantom humanoid robots using AMD Ryzen AI Embedded X100 Series processors. Foundation scales beyond $100M in contracted ARR.

Foundation

Foundation Defined VC

definedvc.com

Added recently

Exit

Portfolio company Nexera Robotics (warehouse robotic gripper) acquired by Locus Robotics, the global leader in warehouse automation. Nexera's NeuraGrasp AI-driven end-effector now sits at core of Locus Array's mobile manipulation roadmap.

Nexera

Nexera Defined VC

definedvc.com

Added recently

Milestone

Portfolio company Zyphra launched Zyphra Cloud, an AMD-powered AI platform with serverless inference for open-weight models.

Zyphra

Zyphra Defined VC

definedvc.comMAY 21, 2026

zyphra.com

MAY 21, 2026

Exit

Portfolio company Nexera Robotics was acquired by Locus Robotics to expand autonomous mobile manipulation capabilities.

Nexera

Nexera Defined VC

definedvc.comMAY 21, 2026

locusrobotics.com

MAY 21, 2026

Investment

Participated in Ranger AI's $8.4M seed round for an agentic industrial tendering platform.

Ranger AI

Ranger AI Defined VC

linkedin.comMAY 14, 2026

webwire.com

MAY 14, 2026

Milestone

Portfolio company Mythic announced joint development agreement with Honda to co-develop an automotive-grade AI SoC using Mythic's analog compute-in-memory technology, targeting 100x energy efficiency for next-gen software-defined vehicles.

Mythic

Mythic Defined VC

definedvc.comFEB 6, 2026

FEB 6, 2026

Investment

Participated in Variational AI's $5.5M Seed extension for Enki™, a foundation model for small molecule drug discovery.

Variational AI

Variational AI Defined VC

variational.aiFEB 20, 2025

FEB 20, 2025