To The Moon

🎲The Hook: Why Operating Margin Is the Only Number That Matters Right Now

You’ve seen the YTD returns. $NVIDIA(NVDA)$ +60%, $Advanced Micro Devices(AMD)$ +131%, $ARM Holdings(ARM)$ +144%, $Micron Technology(MU)$ ripping on every $HBM headline.

The AI semiconductor trade has been the single most powerful theme in equities for two years running. But here’s what most retail investors miss: revenue growth tells you the story; operating margin tells you the business.

A chip company can double revenue and still lose money if its cost structure is wrong. A company with 50%+ operating margins? It's printing cash fast enough to fund its own AI arms race — no dilution needed.

We pulled the latest filings for 22 AI semiconductor stocks and ranked them into four tiers. The spread is staggering: the top stock runs at 58% operating margin — the bottom at just 11%. That’s a 5x+ profitability gap between companies riding the same macro wave. Below is the full breakdown.

🎯The Macro Backdrop: A $1.5 Trillion Pie Growing 90%

The setup:

• $1.51 trillion — WSTS's revised 2026 global semiconductor forecast (Spring 2026), up 90% YoY. That's sharply higher than their own Autumn 2025 call of $975B / 25% growth — AI memory demand simply outran the model.

• ~$725 billion — combined 2026 capex from $Amazon.com(AMZN)$, $Alphabet(GOOG)$, $Microsoft(MSFT)$, and $Meta Platforms, Inc.(META)$. Up ~77% from ~$410B in 2025.

• $60–64 billion — TSMC's newly lifted 2026 capex guide, funding CoWoS packaging expansion to keep up with AI accelerator demand.

Translation: the pie is enormous, growing faster than forecasters can track — and the highest-margin companies are capturing the most value per AI dollar spent. Here's who they are.

1️⃣TIER 1 — TOP TIER: 50%+ Operating Margin

$Micron Technology(MU)$ · $NVIDIA(NVDA)$ · $SanDisk Corp.(SNDK)$ · $SK hynix(SKHY)$ · $Taiwan Semiconductor Manufacturing(TSM)$ — Average ~62%

The cash printers. These five companies don’t just participate in AI — they tax it. Every AI GPU shipped, every HBM module stacked, every wafer processed flows through their income statements at margins that would make a software company jealous.

Notice the mix: three of the five are memory companies (MU, SNDK, SKHY). The market obsesses over NVIDIA’s GPUs, but HBM and NAND suppliers quietly generate higher operating margins per dollar of revenue than the GPU leader itself.

⚡What’s driving it:

• HBM3E sold out through 2027. SK Hynix commands 50%+ global HBM share, Micron is ramping from low single digits toward 20–25%, and every HBM stack that goes into an NVIDIA GB200/GB300 rack carries 3–4x the margin of standard DRAM.

• Blackwell + Vera Rubin ramp. NVIDIA’s product cadence and CUDA lock-in defend premium pricing. Q4 FY26 revenue is guided to ~65B, with full-year north of 200B. Even at 64% operating margin, that prints roughly $128B in annual operating income.

• Foundry pricing power. TSMC’s 3nm/2nm lines are sold out, CoWoS capacity is the binding constraint of the entire AI buildout, and Q3 operating margin is guiding toward 65.5–67.5% — near all-time highs. 13 of 15 Wall Street analysts rate it Buy with consensus targets in the 404–465 range.

• NAND discipline. SanDisk, freshly spun out of Western Digital, is the cleanest pure-play on AI-driven enterprise SSD demand, with 400+ layer roadmaps extending through 2027.

Bottom line: structural monopolies of the AI era — memory IP, GPU IP, advanced packaging, leading-edge foundry. The smallest, most durable club in the market.

2️⃣TIER 2 — ELITE: 40%–49% Operating Margin

$Arista Networks(ANET)$ · $Broadcom(AVGO)$ · $KLA Corporation(KLAC)$ — Average ~42%

The enablers. These three companies don’t make the chips themselves — they make the networking, the custom silicon, and the inspection equipment that makes the chips possible. The Elite tier is the clearest proof that in AI infrastructure, the picks-and-shovels players can be just as profitable as the gold miners. Margins sit in a tight 42–43% band, and all three are running at or near multi-year highs.

⚡What’s driving it:

• Networking is the new bottleneck. Arista's 800G/1.6T Ethernet is the switching fabric for hyperscale AI clusters — 43% GAAP margin (49.9% non-GAAP), locked-in design wins at Meta, Microsoft, Oracle.

• Custom AI silicon is a 100B business. Broadcom's XPU programs (Google TPU, Meta, OpenAI) target $100B in FY27 — up from $20B in 2025. The 42% GAAP number understates it: the semi segment runs 67% non-GAAP, diluted only by VMware.

• Inspection scales with node complexity. KLA’s process control monopoly gets more valuable as the industry moves from 3nm to 2nm and into advanced packaging (CoWoS, chiplets). Over 55% market share plus a services annuity tied to the installed base make this one of the highest-quality businesses in semis.

Bottom line: Smallest tier by count, but arguably the highest quality — all three are #1 or #2 in their respective niches, all are expanding margins, and none face meaningful competitive threats on a 12–24 month view.

3️⃣TIER 3 — STRONG: 20%–39% Operating Margin

$ASML Holding NV(ASML)$ · $Lam Research(LRCX)$ · $Western Digital(WDC)$ · $Credo Technology Group Holding Ltd(CRDO)$ · $Applied Materials(AMAT)$ · $Astera Labs, Inc.(ALAB)$ — Average ~29%

The equipment and connectivity layer. Largest tier (6 stocks), most diverse: EUV lithography (ASML), etch/deposition (LRCX, AMAT), NAND/HDD storage (WDC), AI connectivity (CRDO, ALAB). Most names trending toward Elite within 2–3 quarters.

What’s driving it:

• Equipment capex supercycle. TSMC's $60–64B guide + aggressive HBM buildouts at Samsung, SK Hynix, Micron flow straight to ASML, LRCX, AMAT. ASML's large backlog + High-NA EUV ramp point to rising leverage as it moves from development to volume.

• HBM is a multi-x tailwind for etch. Each HBM stack requires 3–4x more etch steps than standard DRAM — Lam dominates high-aspect-ratio etch and guided next-quarter revenue above consensus on "unprecedented" memory demand.

• AI connectivity is the fastest-growing pocket. Credo and Astera Labs are pure-plays on the signal integrity challenge of connecting hundreds of thousands of GPUs. Both are growing revenue 60–100%+ YoY, and both have non-GAAP margins already in Elite-tier territory. As SBC and acquisition amortization normalize, GAAP margins should follow.

• WDC’s split is creating two clean stories. Post-spin, investors get pure-play NAND (the SNDK economics) plus a HDD-focused entity riding AI cold-storage demand for training datasets. The blended 30% masks two separate margin profiles.

Bottom line: The most leverage to the next leg of the AI capex cycle. Watch Credo and Astera closely — they’re the most likely promotions to Elite.

4️⃣TIER 4 — STEADY: Below 20% Operating Margin

$ARM Holdings(ARM)$ · $Lumentum(LITE)$ · $Marvell Technology(MRVL)$ · $Advanced Micro Devices(AMD)$ · $Coherent(COHR)$ · $ON Semiconductor(ON)$ — Average ~15%

The recovery stories. Lowest margins in the ranking — but low margin today ≠ bad investment. Five of six are GAAP-depressed (not cash-losing) by SBC, acquisition amortization, or restructuring, with some of the group's steepest expansion trajectories.

What’s driving the tier:

• ARM: ~43% non-GAAP wearing an 18% GAAP costume (FY26). ~97.5% GAAP gross margin; the gap is mostly SBC (~17–18% of revenue). Data center royalty revenue more than doubled YoY.

• AMD: data center is the engine, not the dividend. Q1 FY26 revenue $10.25B (+38% YoY); data center now the largest segment at $5.8B (+57% YoY). 14% GAAP vs. 25% non-GAAP — MI-series R&D + acquisition amortization.

• Marvell: the custom ASIC dark horse — designs for Amazon (Trainium/Inferentia) and Microsoft (Maia). Non-GAAP gross margin nearing 60%; 16% GAAP reflects integration cost + ASIC R&D.

• Lumentum, Coherent, and onsemi：optical/power picks-and-shovels for AI interconnects and power infra. Same shape across all three — GAAP depressed, non-GAAP already Strong-tier: Lumentum: 17% GAAP / 37% non-GAAP; Coherent: 12% / 22%; onsemi: 11% / 21% (AI data center revenue more than doubled YoY)

Bottom line: The most mispriced tier on a non-GAAP basis. If SBC normalizes and ASIC/optical/power demand holds, GAAP catches up to non-GAAP.

💹The Big Picture: What This Tier List Tells You

Three takeaways for your portfolio:

• Memory is one of the highest-margin segments in AI semis. 3 of the top 5 stocks by margin are memory names (MU, SNDK, HXSCF) — quietly on par with the GPU leader.

• GAAP vs. non-GAAP matters enormously in the lower tiers. ARM (18%→43%), AMD (14%→25%), Marvell (16%→35%) — know which metric drives the valuation.

• Trajectory > level. onsemi's 11% is growing fastest in the group. Credo's GAAP margin is closing the gap to its non-GAAP level. TSMC's ~57% is close to a cyclical peak.

✨What Could Break the Trade

• Memory pricing reversal: If HBM supply catches up with demand faster than expected ( $Samsung Electronics Co., Ltd.(SSNLF)$ and $Micron Technology(MU)$ both expanding aggressively), the Top Tier’s 60%+ margins could compress rapidly.

• Custom silicon cannibalization: If $Broadcom(AVGO)$ and $Marvell Technology(MRVL)$’s custom ASICs meaningfully displace $NVIDIA(NVDA)$ GPUs, the GPU monopoly pricing power erodes — impacting $NVIDIA(NVDA)$, TSMC, and the entire ecosystem.

• Geopolitical escalation: US-China chip restrictions could reduce addressable market by 15–25%, hitting equipment makers ( $ASML Holding NV(ASML)$, $Applied Materials(AMAT)$, $KLA Corporation(KLAC)$, $Lam Research(LRCX)$) disproportionately.

• Capex digestion: If hyperscaler AI capex slows from 90% growth to single digits, the equipment and connectivity tier faces the most severe estimate revisions.

🐯Tiger Coin Giveaway!

That’s the full ladder — 22 stocks, four tiers, and a profitability spread from 66% down to 11% that tells you exactly who’s winning the AI semiconductor war.

Now it’s your turn. Which AI semiconductor stock are you most bullish on for the next 6 months — and why?

Drop your take in the comments! Best analysis gets Tiger Coins!

Good allocation isn’t just about investing — it’s also about keeping everyday life organised.

Just like a well-balanced portfolio, the right organisation can make business trips, travel and workouts a little easier. The new Tiger Toiletry Bag features a dual-layer dry & wet separation design with plenty of space to keep your essentials neatly organised, wherever you go.

Redeem the new Tiger Toiletry Bag now in Tiger Coin Mall. https://laohu8.com/J/redeemGift?goodID=100538&type=delivery