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Astera Labs vs ON Semiconductor: Which Stock Looks Stronger in 2026?

Astera Labs holds the cleaner structural position, with the lead spread across growth and profitability. ON Semiconductor does not offset that deficit through any equally strong structural edge elsewhere. In the market, ON Semiconductor carries the stronger setup — intact trend against Astera Labs's broken trend. That leaves a split case: the structural lead stays with Astera Labs, but the market is not currently confirming it.

The comparison is based on similar long-term financial trajectories, not sector labels.

Updated 2026-04-05

This is not just a one-metric split: both growth and profitability materially support the lead. Astera Labs, Inc. leads by 30 points on the overall comparison score.

INDUSTRY COMPARISON

Both operate in: Semiconductors

This comparison is based on industry proximity, not on functional trajectory similarity. ALAB and ON share the same industry classification.

For a similarity-based comparison, see how Astera Labs and ON Semiconductor each position within their functional peer groups in AssetNext.

Peer-Relative Score
ALAB
Astera Labs, Inc.
52
Peer-Score
Signal qualityHigh
vs
ON
ON Semiconductor Corporation
22
Peer-Score
Signal qualityHigh

Scores reflect position relative to comparable companies with similar long-term financial trajectories.

More than one operating dimension supports the result here.

Dimension spread: ALAB vs ON Profitability 82 33 Stability 37 37 Valuation 22 9 Growth 69 9 ALAB ON
Gap Ranking
#1 Growth +60
#2 Profitability +49
#3 Valuation +13
#4 Stability
Price Setup

Left means cheaper relative valuation. Higher means stronger structure.

Price setup map for ALAB and ON Stronger + cheaper Stronger + richer Weaker + cheaper Weaker + richer ALABON Relative valuation Structural strength

The setup is mixed: neither company clearly combines the stronger profile with the more supportive price setup.

Valuation position uses peer-relative PE percentile (idx_pct_pe) where available.

Relative Position vs Comparable Companies
Growth
Astera Labs, Inc. ranks near the top of the group on growth; ON Semiconductor Corporation sits in the weaker half.
Profitability
On profitability, the gap still runs the same way: Astera Labs, Inc. sits near the top of the group, while ON Semiconductor Corporation remains in the weaker half.
Growth — Dominant Gap
ALAB
69
ON
9
Gap+60in favour of ALAB

One company is still expanding while the other is contracting, which creates a very wide growth split.

What else supports the lead

Capital efficiency adds support, with a 82-point ROIC advantage.

What this means for the comparison

The lead is built on both growth and profitability, making it broader than a single-dimension result.

Explore full peer positioning in AssetNext

Break down the ALAB vs ON comparison across all dimensions with the full interactive tool.

Explore full breakdown →
Similar growth-and-profitability comparisons

Explore how ALAB and ON each compare against other companies in their peer groups.

Rule-based, descriptive analysis only. Derived from peer percentile dimensions. Not investment advice. Peer groups are determined algorithmically based on structural similarity — not by sector classification alone.

How AssetNext Peer Scores Work

AssetNext scores reflect each company's structural position within its functional peer group — not a ranking against all stocks simultaneously. Peers are identified by similarity across eight financial dimensions, including revenue growth trajectory, margin structure, capital intensity, and earnings stability. A score of 75 means the company ranks in the top quartile within its own peer group, not the entire market.

Four dimension scores drive the overall peer score: Growth (revenue trajectory and expansion dynamics), Quality (margin structure and capital efficiency), Valuation (peer-relative pricing on standard multiples), and Stability (earnings consistency and financial predictability). Each dimension is scored 0–100 relative to the peer group, then combined into an overall peer score using equal weighting.

Scores are recalculated periodically as underlying financial data is updated. All analysis is descriptive and rule-based — AssetNext describes structural realities and never issues buy, sell or hold recommendations.