Market snapshot, not real-time
S&P 500 (SPY) $748.62 +0.88% Nasdaq-100 (QQQ) $708.90 +1.85% Dow (DIA) $522.55 +0.89% Russell 2000 (IWM) $295.82 +1.20% 10-Year Treasury (IEF) $93.32 −0.23% Crude Oil (USO) $128.37 +2.28% Gold (GLD) $373.85 +1.70% US Dollar Index (UUP) $28.45 +0.23% Volatility (VXX) $21.29 −3.77% Semiconductors (SMH) $583.24 +4.37% Silver (SLV) $53.36 +4.67% Emerging Markets (EEM) $65.45 +2.97% Bitcoin (BTC) $66,470.13 +1.90% Ethereum (ETH) $1,922.88 +1.00% S&P 500 (SPY) $748.62 +0.88% Nasdaq-100 (QQQ) $708.90 +1.85% Dow (DIA) $522.55 +0.89% Russell 2000 (IWM) $295.82 +1.20% 10-Year Treasury (IEF) $93.32 −0.23% Crude Oil (USO) $128.37 +2.28% Gold (GLD) $373.85 +1.70% US Dollar Index (UUP) $28.45 +0.23% Volatility (VXX) $21.29 −3.77% Semiconductors (SMH) $583.24 +4.37% Silver (SLV) $53.36 +4.67% Emerging Markets (EEM) $65.45 +2.97% Bitcoin (BTC) $66,470.13 +1.90% Ethereum (ETH) $1,922.88 +1.00%

Position · Emerging Growth

Arm Holdings plc (ARM)

1.57% of book · Avg. cost $207.83 · Return +15.33%

Compare vs. competitors: Broadcom vs. Marvell vs. Qualcomm →

Read the full fiscal Q4 2026 earnings report →

Subscribe to ARM updates (RSS) →

Download full 3-statement model (.xlsx) →

Thesis StatementArm's architecture sits underneath nearly every mobile chip and an increasing share of AI silicon, giving it a royalty-like claim on the broader semiconductor buildout.

ARM Arm Holdings plc
AEA Institutional Tear Sheet
1.57% of book · Avg. cost $207.83 · Return +15.33%

Core Thesis

Arm owns and develops the processor architecture used in roughly 99% of smartphone CPU cores, licensing its designs to companies including Apple and Qualcomm, giving it a royalty-like claim on chip volume growth across multiple end markets.

Financial Metrics

  • Market Cap$336.74B
  • P/E (TTM)401.75
  • EPS (TTM)$0.84
  • Div. Yield0.00%
  • Price$315.28

Bear Case

Licensees who now compete with Arm's own chip products reduce their reliance on Arm's architecture or invest more in-house, the transition to a hybrid licensing-plus-products model creates channel conflict that slows growth, and the stock's premium multiple...

Investment Thesis

The Thesis
Arm owns and develops the processor architecture used in roughly 99% of smartphone CPU cores, licensing its designs to companies including Apple and Qualcomm, giving it a royalty-like claim on chip volume growth across multiple end markets.
The Catalyst
In 2026 Arm began shipping its own CPU products directly, moving beyond a pure licensing model for the first time — a real change to the business model as it expands beyond mobile into data-center and AI chip designs, worth watching for early traction.
The Risk
Licensees who now compete with Arm's own chip products could reduce their reliance on Arm's architecture or invest more in-house, and the transition to a hybrid licensing-plus-products model could create channel conflict that slows growth against a premium multiple.
The Connection
Core to my semiconductor theme, though positioned differently than SNDK/AMD/MU/INTC — Arm's exposure to AI comes through architecture licensing and expansion into data-center chip design rather than memory or accelerators directly.

Pre-Mortem Thesis Invalidation Parameters

Codified in advance, before any of these have happened, so a future decision to hold or exit isn't rationalized in the moment. If a condition below is met, the thesis as written is invalidated and the position gets re-underwritten from scratch — not automatically sold, but automatically questioned.

Metric / EventAutomatic Review Trigger
Licensing Revenue GrowthSlows for 2 consecutive quarters as a top-5 licensee discloses reduced reliance on Arm's architecture.
Products Segment MarginCompresses for 2 consecutive quarters as channel conflict with licensees intensifies.
Market cap$336.74B
P/E ratio (TTM)401.75
EPS (TTM)$0.84
Dividend yield0.00%
Shares outstandingN/A — not provided
SectorCPU IP licensing
EBITDAEarnings Before Interest, Taxes, Depreciation, and Amortization — a measure of operating profitability before financing and accounting decisions. EV/EBITDA compares a company's full value (including debt) to this figure, often used to compare companies with different capital structures.EV/EBITDA 299.95x (5yr EBITDA growth 11.6%)
PEG ratioPrice/Earnings-to-Growth: the P/E ratio divided by expected earnings growth. Below 1.0 is often read as cheap relative to growth; above suggests the market is pricing in a lot of future growth already. Different providers use different growth-rate assumptions, so figures vary by source.14.36
Capex$545.00M (TTM)

Market cap, P/E, EPS, and dividend yield via Blossom. No dividend. Shares outstanding not available from a source I trust for this entry — left blank rather than estimated. EBITDA, PEG ratio, and capex sourced from public filings and financial-data aggregators (GuruFocus, StockAnalysis, company earnings releases). PEG ratio is sourced primarily from GuruFocus where available; different providers calculate PEG using different growth-rate assumptions, so figures from other sources for the same stock can vary by several multiples — a known limitation of PEG as a metric, not unique to any name here.

Valuation Logic

401.75x trailing earnings is one of the richest multiples in the book, justified only if licensing revenue — already growing faster than royalties — continues converting into a much larger long-term royalty base, per management's own $25B-by-FY2031 target.

DCF Sensitivity Tool

A simplified single-stage model for exploring how WACC and terminal growth assumptions move an implied share price — not AEA's own valuation of this stock. Adjust the base cash-flow figure to run your own numbers.

Implied Share Price
Formula: Base FCF/Share × (1 + terminal growth) ÷ (WACC − terminal growth). A real DCF would forecast several years of cash flow explicitly rather than capitalize a single base year in perpetuity — this tool is a simplified illustration of how sensitive that kind of valuation is to two assumptions, not a price target.
$100.02 (52-wk low)$315.28$452.70 (52-wk high)

About the business

Arm owns and develops the Arm processor architecture, used in roughly 99% of smartphone CPU cores, and licenses its designs to companies including Apple and Qualcomm. In 2026 it began shipping its own CPU products directly, moving beyond a pure licensing model for the first time.

Why I own it

Arm's architecture is embedded in nearly every mobile device and is increasingly showing up in data-center and AI chip designs, giving it a royalty-like claim on chip volume growth across multiple end markets. The shift to shipping its own products is a real change to the business model worth watching closely, since it's new and moves Arm from a pure IP licensor into direct competition with some of its own licensees.

Risk/Reward Profile

Bull CaseBear Case
Arm's architecture keeps gaining share in data-center and AI chip designs on top of its dominant mobile position, and its move into shipping its own CPU products succeeds without alienating existing licensees who now compete with Arm directly in some segments.Licensees who now compete with Arm's own chip products reduce their reliance on Arm's architecture or invest more in-house, the transition to a hybrid licensing-plus-products model creates channel conflict that slows growth, and the stock's premium multiple has little room for a growth disappointment.

Base case: Arm keeps growing royalty and licensing revenue steadily as chip volumes grow across its existing markets, the new own-chip business scales slowly as one contributor among several, and the stock tracks that blended growth.

Download this position's data

Fundamentals, scenario matrix, and risk/reward table — exported exactly as published on this page, no reformatting.

Macro Stress-Test: How ARM Fits In

The book-level stress test runs four scenarios against the whole portfolio. Here is exactly where ARM sits in each one — named directly, or not addressed at all. Nothing below is invented for this page; it’s the same book-level analysis, filtered to this position.

Current positioning, no shock assumed

ARM is 1.66% of the book, in the Semiconductors sector. See the full base-case positioning on Holdings.

Where this position sits in the book’s least-defended scenario

Not individually named in the book-level inflation analysis. ARM contributes to the book’s overall growth-multiple exposure only through its Semiconductors sector weight — see the full scenario on Holdings for what is and isn’t defended.

Not individually assessed

Where this position sits in the book’s best-defended scenario

ARM is a liquid, publicly traded security like every other position in the book — no private equity, no illiquid credit, no lockups. A genuinely broad market drawdown would still hurt (the book’s beta is 1.79), but this position doesn’t face the structural exit friction an illiquid holding would.

Liquid, publicly traded

Where this position sits in the book’s largest concentrated risk

ARM is one of the six names (AMD, ARM, AVGO, INTC, MU, SNDK) that make up the book’s 30.73% direct semiconductor exposure — the single largest concentrated risk identified anywhere on this site. Several depend on Taiwan-based or Taiwan-adjacent fabrication capacity for leading-edge nodes.

Directly named — part of the 30.73% semiconductor exposure