ON Semiconductor Leads AI Power — Why I’m Not Buying Stock

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This article takes a look at ON Semiconductor’s Q1 2026 results and guidance. We’re digging into whether the power semiconductor cycle has finally hit bottom, especially with AI infrastructure demand ramping up.

We’ll break down the company’s earnings mix and segment performance. There’s also a focus on ON Semi’s strategic bets—silicon carbide (SiC), 300mm/200mm manufacturing, and how they’re handling capital returns, plus a glance at how the market’s weighing risk and upside.

Q1 2026 results at a glance

ON Semiconductor posted revenue of $1.51 billion and non‑GAAP earnings per share of $0.64. That beat their guidance.

GAAP results, though, took a hit from $329.3 million in restructuring and impairment charges. This led to a GAAP net loss for the quarter.

Non‑GAAP profitability lined up with the company’s operational direction. But GAAP numbers were dragged down by adjustments tied to consolidation and cost-cutting moves.

Segment results were all over the place as AI-driven demand started to shift the mix. The Power Solutions Group revenue jumped 14% year over year.

The Analog & Mixed‑Signal segment slipped by about 5%. Intelligent Sensing ticked up just 1%.

Management’s pretty bullish that AI data center infrastructure could drive major growth in 2026. Automotive and other markets, though, still look a bit shaky.

AI infrastructure demand and near‑term guidance

Management thinks AI data center revenue could double in 2026. There’s stronger demand now for high‑reliability power and advanced sensing in data center racks.

They threw out a pretty wild stat: per‑rack revenue could leap from $15,000 today to as much as $115,000 by 2030. That’s all about racks getting more power-dense and efficient.

These numbers fit with ON Semi’s push to ride the AI compute wave. They’re also trying to keep their automotive exposure in check elsewhere in the portfolio.

ON Semiconductor also talked up its SiC leadership for EVs and its manufacturing plans. About 55% of new EV models at big auto shows now feature ON Semi’s SiC designs, which is a pretty strong position in a fast‑growing market.

They’re betting that vertical integration and a shift to 200mm SiC could cut die costs by roughly 30% over the next 24 months. That could help margins or let them price more aggressively.

It all ties back to a bigger plan: boost gross margins through better manufacturing economics.

Manufacturing strategy: Fab Right and SiC scale

ON Semiconductor’s Fab Right initiative is all about consolidating around automated 300mm fabs. They’re outsourcing some processes to keep things lean.

The goal here is to make gross margins and free cash flow (FCF) structurally better by cutting complexity and capital needs in a high‑volume, high‑reliability setup. Management thinks they could hit a FCF run rate over $2 billion if they keep up the cost discipline and ramp up scalable manufacturing.

The shift to 200mm SiC is also a big piece of the company’s automotive strategy. This move should help them deliver SiC devices more cost‑effectively, making ON Semi more competitive on performance and total cost in EVs.

These manufacturing bets feel pretty crucial for long‑term profitability, especially as AI‑driven product cycles need tough, energy‑efficient power solutions.

Financial strategy, leverage, and risk factors

Financially, ON Semi reported net debt-to-EBITDA below 1x. That puts them in a solid spot to fund growth, buy back shares, and make select investments.

They’ve got a big $6 billion buyback program lined up. Management wants to return most of their free cash flow to shareholders, which helps the earnings story even if GAAP profits are still a bit messy due to non‑cash and one‑time charges.

But, there are risks. The company mentioned an L-shaped industrial recovery could be in the cards, plus ongoing Chinese state‑backed SiC competition, and maybe some softness in Western EV adoption.

That could mean a gap before AI revenue is big enough to make up for any automotive weakness. Right now, the equity market’s kind of on the fence: Wall Street consensus is Moderate Buy with 13 Buys and 13 Holds. Not exactly a ringing endorsement unless AI and cost-savings really start to show up in GAAP profits.

What to watch next

Investors and analysts should keep an eye on a few important developments. First, there’s the pace of AI data center deployments and whether those actually drive per‑rack revenue growth.

Then, there’s the Fab Right program. Is it really boosting gross margins and free cash flow, or just making a lot of noise?

Another area worth tracking is progress with 200mm SiC production. If ON can scale that up, will it finally improve unit economics in a meaningful way?

And of course, the path of EV adoption in Western markets compared to China remains a wild card. Any surprise policy changes or shifts in demand could shake things up.

Honestly, I’m curious to see how ON Semiconductor juggles all this—AI demand, the ongoing shift in automotive, and their push to modernize manufacturing. Will these efforts show up in real numbers like gross margin growth, free cash flow, and ROIC? Guess we’ll find out over the next few quarters.

 
Here is the source article for this story: ON Semiconductor (ON) Is Winning in AI Power. I’m Still Not Chasing the Stock

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