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United States / Direct investor

Turning science fiction into science fact.

Science and technology investor backing founders across AI, automation, biology, aerospace, defense, computing and the physical world.

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Fund IX median cheque, reportedAbout $25M
ApproachEarly-stage biased
Lux Ventures IX$1.5B
Selected official portfolio28 companies

01 / The fund

What Lux looks for

Scientific and engineering ideas that look too early, difficult or unconventional, but could become important infrastructure. Lux invests across computational, physical and life sciences and helps build companies from their first experiments through scale.

Lux Ventures IX was announced in January 2026 at $1.5B, taking the firm's reported assets under management to $7B. The firm describes itself as early-stage biased, often leading at seed or Series A, with capital for a decade or more of company building.

January 2026 reporting describes a Fund IX median cheque of about $25M, with a wide range from much smaller investments to over $100M for selected companies. Lux's own announcement describes deploying the first $100K and the last $100M across a company's life. These are not presented as a guaranteed first-cheque range.

Official fund announcement ↗

02 / Portfolio

Explore by sector

28 companies in the current official selected-portfolio showcase. This is not the complete historical Lux portfolio. Acquisitions and public listings are retained as milestones, not hidden or presented as current private holdings. DTT groups the showcase by technology.

BioTech 6

Benchling logo
Benchling ↗

Cloud software for life-science research, development data and workflows.

Holding source ↗
Eikon Therapeutics logo
Eikon Therapeutics ↗

Tracks individual proteins in living cells to help find new medicines.

Holding source ↗
Kallyope logo
Kallyope ↗

Studies signals between the gut and brain to develop medicines.

Holding source ↗
Recursion Pharma logo
Recursion Pharma ↗
Lux investment: 2016 IPO: 2021

Uses automated biology experiments and machine learning to find new drug candidates.

Holding source ↗
eGenesis logo
eGenesis ↗

Edits animal genomes to develop organs suitable for human transplantation.

Holding source ↗
Valthos logo
Valthos ↗

AI systems that detect biological threats and design medical countermeasures.

Holding source ↗

Physical AI 6

Anduril logo
Anduril ↗

Combines AI software and defense hardware for national security systems.

Holding source ↗
Applied Intuition logo
Applied Intuition ↗

Applied Intuition is powering the future of physical AI, building tools and infrastructure, operating systems, and autonomy for the automotive, defense, trucking, construction, mining, and agriculture industries.

Holding source ↗
Physical Intelligence logo
Physical Intelligence ↗

Physical Intelligence is building a foundation model for robotics, bringing general-purpose AI into the physical world.

Holding source ↗
Auris Health logo
Auris Health ↗
Lux investment: 2012 Acquired by J&J: 2019

Robotic tools for minimally invasive surgery and lung procedures. Acquired by Johnson & Johnson in 2019.

Holding source ↗
Hadrian logo
Hadrian ↗

Hadrian makes autonomous factories for space and defense manufacturing.

Holding source ↗
Matterport logo
Matterport ↗
Lux investment: 2013 Publicly listed: 2021 Acquired by CoStar: 2025

Matterport, the world's most powerful all-in-one 3D data platform, lets you turn a space into an accurate and immersive digital twin. The company listed publicly [NASDAQ: MTTR] in 2021.

Holding source ↗

Space Tech 3

Impulse Space logo
Impulse Space ↗

Impulse Space is leading the development of in-space transportation services for the inner solar system.

Holding source ↗
AMCA logo
AMCA ↗

Amca is renewing the spirit of the aerospace and defense industry's golden age. We acquire, develop, and scale the next generation of mission-critical products that make every program possible.

Holding source ↗
Varda logo
Varda ↗

Varda is pioneering space manufacturing.

Holding source ↗

Energy & Materials 1

Osmo logo
Osmo ↗

Combines AI and chemistry to digitize smell and create new fragrance molecules.

Holding source ↗

Others 12

Databricks logo
Databricks ↗

Databricks unifies all your data, analytics, and AI on one platform.

Holding source ↗
Cognition logo
Cognition ↗

Cognition is the leading AI coding agent company and makers of Devin, the first AI software engineer. Cognition is building collaborative AI teammates that enable engineers to focus on more interesting problems and empower engineering teams to strive for more ambitious goals. The company is led by a team of world-class engineers, gold medalist coders, former founders, and leaders from companies at the cutting edge of AI.

Holding source ↗
Ramp logo
Ramp ↗

Ramp is building the world's first finance automation platform.

Holding source ↗
Modal logo
Modal ↗

Modal helps people run code in the cloud and is the easiest way for developers to get access to containerized, serverless compute.

Holding source ↗
Hugging Face logo
Hugging Face ↗

Hugging Face is on a mission to advance and democratize Natural Language Processing.

Holding source ↗
Erebor logo
Erebor ↗

Erebor is a purpose-built bank for the innovation economy

Holding source ↗
Together.xyz logo
Together.xyz ↗

Together's aim is to help create open models that outrival closed models and establish open-source as the default way to incorporate AI.

Holding source ↗
Runway logo
Runway ↗

Runway is building the next generation of creative tools.

Holding source ↗
Applied Compute logo
Applied Compute ↗

Applied Compute builds Specific Intelligence for enterprises, unlocking the knowledge inside a company to train custom models and deploy an in-house agent workforce.

Holding source ↗
Chronosphere logo
Chronosphere ↗
Lux investment: 2019 Acquired by Palo Alto Networks: 2026

Chronosphere empowers customers to reduce data complexity and volume, optimize costs, and remediate issues faster.

Holding source ↗
Nominal logo
Nominal ↗

Nominal accelerates your mission-critical test cadence with modern analysis tools, real-time observability, and advanced data infrastructure - all in one collaborative workspace.

Holding source ↗
Sakana AI logo
Sakana AI ↗

Sakana AI is a Tokyo-based R&D company on a quest to build a new kind of foundation model based on nature-inspired intelligence.

Holding source ↗

03 / Team & connect

Investment team

Tess van Stekelenburg

Tess van Stekelenburg

Partner

AI, biotechnology, aerospace and physical technology

Official profile ↗

The current official investing group is shown here. Capital formation, legal, finance, operations, content and external venture advisors are excluded. Sarah Hess and Mia Krishnamurthy joined as investment partners in September 2026. Peter and Tess link to official profiles because no personal LinkedIn link is supplied there.

Official founder contact ↗

04 / Fund network

Limited partners

Current and historical backing are separated. The individual below is a documented early backer, not represented as a new Fund IX LP.

Bill Conway

Bill Conway

Early anchor and reported prior-fund LP

Carlyle co-founder and co-chairman. Lux describes his capital as the anchor that put the firm in business.

Lux account ↗

Japan Investment Corporation

Lux Ventures IX LP

$50M LP investment decision announced by JIC in February 2026.

Investor source ↗

New Mexico State Investment Council

Reported prior-fund LP

Named as an investor in previous Lux funds; not asserted as a Fund IX commitment.

Investor source ↗

California Public Employees Retirement System

Reported prior-fund LP

CalPERS is named as an investor in previous Lux funds; not asserted as a Fund IX commitment.

Investor source ↗

John S. and James L. Knight Foundation

Reported prior-fund LP

Named among investors in previous Lux funds.

Investor source ↗

Kissick Family Foundation

Reported prior-fund LP

Named among investors in previous Lux funds.

Investor source ↗

Sidley Austin Master Pension Trust

Reported prior-fund LP

Named among investors in previous Lux funds.

Investor source ↗

Grantham Foundation

Reported prior-fund LP

Named among investors in previous Lux funds.

Investor source ↗