The Tech Skeleton.

Understand the dependencies. If Layer 1 breaks, Layer 5 collapses.
Follow the supply chain to find the real alpha.

Live tracking 4 companies across 5 layers

Layer 1: enablers

1 company

The tools that make chips possible. Without these, nothing else works.

ASML

$ASML

Dutch monopoly on EUV lithography machines. The only company that can make the machines that make the most advanced chips. If ASML stops, the entire semiconductor industry stops.

Key Dependencies

No dependencies listed

Competitors

Market leader / No direct competitors

Key Products

EUV Lithography Systems, DUV Systems

Market Cap

$350B

Revenue

$28B

Layer 2: foundrys

1 company

The factories that manufacture silicon. They turn designs into physical chips.

Taiwan Semiconductor (TSMC)

$TSM

The world's most advanced chip manufacturer. Makes chips for Apple, NVIDIA, AMD. Controls 60%+ of global foundry market.

Key Dependencies

ASMLApplied Materials

Competitors

Samsung FoundryIntel Foundry

Key Products

3nm chips, 5nm chips, N2 (2nm) coming

Market Cap

$850B

Revenue

$70B

Layer 3: designers

1 company

The architects. They design the chips but don't own fabs.

NVIDIA

$NVDA

GPU designer and AI infrastructure leader. Designs chips but doesn't manufacture them (fabless). Dominant in AI accelerators with 90%+ market share.

Key Dependencies

TSMCSK Hynix (HBM memory)

Competitors

AMDIntelCustom chips (Google TPU, AWS Trainium)

Key Products

H100, H200, GB200 (Blackwell), CUDA software

Market Cap

$3.2T

Revenue

$60B

Layer 4: hyperscalers

1 company

The buyers. They build data centers and run AI at scale.

Meta (Facebook)

$META

Builds massive data centers to train AI models. Uses NVIDIA GPUs to power Llama and recommendation algorithms. Spends $30B+ per year on infrastructure.

Key Dependencies

NVIDIAAMDIntel

Competitors

GoogleMicrosoftAmazon

Key Products

Llama AI, Instagram, WhatsApp, Quest VR

Market Cap

$1.4T

Revenue

$135B

Want Deeper Analysis?

Get trade ideas, supply chain alerts, and earnings breakdowns for these companies in our Premium Feed.

Join ATLA PRO — $29/mo