Follow The Bill Lander

Follow The Bill

“Follow The Bill” is a methodology for understanding investment opportunities by tracing capital flows through the AI ecosystem. When billions flow into AI development, we ask: where does that money ultimately go?

Strategic Analysis

Deep-dive research into the full AI investment supply chain

Independent Research

Non-profit, unbiased analysis without conflicts of interest

Community Driven

Join discussions with like-minded strategic investors

The Investment Chain

Understanding how capital flows through the AI ecosystem—from tech giants to the fundamental resources that power them.

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

Latest Report

Our most recent analysis of AI 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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