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Allegro MicroSystems vs STMicroelectronics N.V.: Which Stock Looks Stronger in 2026?

Allegro MicroSystems leads structurally, with valuation as the clearest single gap between the two profiles. STMicroelectronics still leads on growth and stability, which keeps the comparison from looking entirely one-sided. 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. Peer scores are normalised within each company's primary universe (ALGM: Russell 1000, STMMI.MI: STOXX 600).

Updated 2026-07-05

Valuation still does most of the heavy lifting in this comparison. Allegro MicroSystems, Inc. leads by 8 points on the overall comparison score.

INDUSTRY COMPARISON

Both operate in: Semiconductors

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

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

Peer-Relative Score
ALGM
Allegro MicroSystems, Inc.
34
Peer-Score
Signal qualityHigh
Peer basis: Russell 1000
vs
STMMI.MI
STMicroelectronics N.V.
26
Peer-Score
Signal qualitylow
Peer basis: STOXX 600

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

Pricing shapes this comparison more than a broad operating gap.

Dimension spread: ALGM vs STMMI.MI Profitability 6 6 Stability 35 49 Valuation 58 8 Growth 41 61 ALGM STMMI.MI
Gap Ranking
#1 Valuation +50
#2 Growth +20
#3 Stability +14
#4 Profitability
Price Setup

Left means cheaper relative valuation. Higher means stronger structure.

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

STMicroelectronics N.V. occupies the cheaper side of the setup map, although Allegro MicroSystems, Inc. still holds the stronger structural profile.

Valuation position uses Forward P/E and peer-relative PE percentile (idx_pct_pe) where available.

Entry today — historical context

Where ALGM and STMMI.MI each sit in their own 5-year price and valuation history.

BASED ON 5-YEAR HISTORY ALGM Elevated · near norm 0th 50th 100th 0 pct gap STMMI.MI Elevated · above norm 0th 50th 100th 99th 99th
ALGM (99th percentile) and STMMI.MI (99th percentile) both sit in the upper portion of their own 5-year ranges. The historical entry context is broadly similar for both. This reflects entry timing, not which company is structurally stronger.

Describes historical entry positioning only. Descriptive — not investment advice.

Relative Position vs Comparable Companies
Valuation
On valuation, Allegro MicroSystems, Inc. is positioned higher in the group, while STMicroelectronics N.V. is closer to the middle.
Growth
Both look solid on growth, though STMicroelectronics N.V. still holds the stronger peer position.
Valuation — Dominant Gap
ALGM
58
STMMI.MI
8
Gap+50in favour of ALGM

The main spread comes from a meaningfully cheaper peer-relative valuation.

What keeps the gap from being one-sided

STMicroelectronics N.V. still has the more coherent overall profile, which keeps the result from looking completely one-sided.

What this means for the comparison

The valuation edge is decisive, even though current pricing and growth still lean somewhat toward STMicroelectronics N.V..

Explore full peer positioning in AssetNext

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

Explore full breakdown →
Other comparisons with conflicting dimension signals

Explore how ALGM 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.

Because scores are peer-relative, the same company can have slightly different scores in different index universes. On comparison pages, both companies are shown within their shared peer universe wherever possible — so the scores are directly comparable. The peer basis is stated on each score card.

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.