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Follow The Bill

A methodology for understanding investment opportunities by tracing capital flows through the AI and Robotics ecosystems. When billions flow into these technologies, we ask: where does that money ultimately go?

AI Ecosystem

From cloud providers and AI companies through semiconductors, data centers, energy, and fundamental resources.

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Robotics Ecosystem

Global robotics leaders from US, Japan, and China—humanoid robots, industrial automation, sensors, and shared infrastructure.

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Dual Ecosystem Analysis

Deep-dive research into AI and Robotics supply chains with shared infrastructure insights

Global Coverage

Stocks from US, Japan, China, and Europe—covering all major robotics and AI markets

Community Driven

Join discussions with like-minded strategic investors

Two Investment Chains

Understanding how capital flows through both ecosystems—with shared infrastructure at the foundation.

AI Ecosystem

AI Companies

Top-tier AI and tech giants driving demand

OpenAIGoogleMicrosoftNVIDIA

Cloud Infrastructure

Massive data center expansion and compute needs

AWSAzureGoogle Cloud

Semiconductor Manufacturing

Chip production and fabrication

TSMCSamsungIntel

Data Centers

Physical infrastructure and cooling systems

EquinixDigital Realty

Energy Providers

Power generation and distribution

VistraConstellation

Uranium Mining

Fundamental resource extraction

CamecoKazatomprom

Follow the money from AI to atoms

Robotics Ecosystem

Humanoid & Industrial Robotics

Global robotics manufacturers (US, Japan, China)

Fanuc 🇯🇵Tesla 🇺🇸Baidu 🇨🇳ABB 🇨🇭

Motion Control & Actuators

Precision motion systems powering robotic movement

Rockwell 🇺🇸Emerson 🇺🇸Hitachi 🇯🇵

Sensors & Vision

Machine vision and sensing technologies

Cognex 🇺🇸Keyence 🇯🇵Teledyne 🇺🇸

AI & Autonomy

Intelligence powering robotic systems

NVIDIA 🇺🇸Tesla 🇺🇸Google 🇺🇸

Semiconductors

Shared with AI

Chips powering robotic intelligence

NVIDIATSMCAMD

Energy Providers

Shared with AI

Power generation for manufacturing and data centers

VistraConstellation

Resources

Shared with AI

Raw materials for electrification and robotics

CamecoMP Materials

Follow the money from robots to resources

Latest Report

Our most recent analysis covering both AI and Robotics ecosystem investments.

December 2025
The Silicon Ceiling and the Indium Key: A Strategic Analysis of AXT Inc.

The AI "Growth" Story Ends in 2026. Unless We Fix the Physics. Our latest deep dive uncovers the single most obscure, yet critical bottleneck in the AI supply chain: Indium Phosphide (InP), essential for the photonics shift. AXT Inc. ($AXTI) controls ~30-35% of the world's substrate capacity and access to raw materials, making it a critical choke point for hyperscalers like Google, Microsoft, and Nvidia. As AI compute scales, securing InP becomes a multi-trillion dollar imperative.

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This is an educational non-profit. We do not offer financial advice or manage investments.