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ON Semiconductor vs STMicroelectronics N.V.: Which Stock Looks Stronger in 2026?

ON Semiconductor leads structurally, with profitability as the clearest single gap between the two profiles. The market setup is broadly comparable for both — no clear directional signal from price behavior. The market is not adding a decisive signal either way — the structural read carries the weight.

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

Updated 2026-04-05

Profitability still does most of the heavy lifting in this comparison. The overall score gap is 9 points in favour of ON Semiconductor Corporation.

INDUSTRY COMPARISON

Both operate in: Semiconductors

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

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

Peer-Relative Score
ON
ON Semiconductor Corporation
22
Peer-Score
Signal qualityHigh
vs
STMMI.MI
STMicroelectronics N.V.
13
Peer-Score
Signal qualityHigh

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

The clearest separation appears in profitability.

Dimension spread: ON vs STMMI.MI Profitability 33 2 Stability 37 43 Valuation 9 8 Growth 9 8 ON STMMI.MI
Gap Ranking
#1 Profitability +31
#2 Stability +6
#3 Growth +1
#4 Valuation +1
Price Setup

Left means cheaper relative valuation. Higher means stronger structure.

Price setup map for ON and STMMI.MI Stronger + cheaper Stronger + richer Weaker + cheaper Weaker + richer ONSTMMI.MI Relative valuation Structural strength

The setup remains mixed because the stronger profile and the more supportive price setup do not sit on the same side.

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

Relative Position vs Comparable Companies
Profitability
Both sit in the weaker half on profitability, with ON Semiconductor Corporation still coming out ahead.
Profitability — Dominant Gap
ON
33
STMMI.MI
2
Gap+31in favour of ON

The profitability lead is mainly driven by a 11.7-point operating margin advantage.

What else supports the lead

ON Semiconductor Corporation also shows lower market-fundamental divergence, which makes the lead look less detached from the underlying business picture.

What this means for the comparison

One dimension still does most of the work here, even if the score points the same way overall.

Explore full peer positioning in AssetNext

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

Explore full breakdown →
Similar profitability-driven comparisons

Explore how ON and STMMI.MI 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.