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Stock Comparison · Single-driver result

Illumina vs Merck & Co.: Which Stock Looks Stronger in 2026?

The structural profiles are close, with Merck carrying a narrow edge on stability. Illumina still has the edge on growth, 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.

Updated 2026-04-05

Stability still does most of the heavy lifting in this comparison.

Trajectory Similarity
0.66
Moderately similar
Peer-set rank: #6
within Illumina, Inc.'s functional peer set

These two companies are linked by measured long-term financial trajectory similarity within the selected peer universe.

The pair shares a valid long-term profile match, but the trajectories are not especially close.

The match is driven mainly by capital structure and recent revenue growth.

Similarity drivers
capital structurerecent revenue growth
How to read the score
0.85–1.00 · Very similar0.70–0.84 · Similar0.55–0.69 · Moderately similarbelow 0.55 · Loose match
Peer-Relative Score
ILMN
Illumina, Inc.
59
Peer-Score
Signal qualityHigh
vs
MRK
Merck & Co., Inc.
63
Peer-Score
Signal qualityHigh

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

The clearest separation appears in stability.

Dimension spread: ILMN vs MRK Profitability 65 62 Stability 18 57 Valuation 85 88 Growth 54 31 ILMN MRK
Gap Ranking
#1 Stability +39
#2 Growth +23
#3 Profitability +3
#4 Valuation +3
Price Setup

Left means cheaper relative valuation. Higher means stronger structure.

Price setup map for ILMN and MRK Stronger + cheaper Stronger + richer Weaker + cheaper Weaker + richer ILMNMRK Relative valuation Structural strength

Structure stays fairly close here, while current pricing still looks more supportive for Merck & Co., Inc..

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

Relative Position vs Comparable Companies
Stability
Merck & Co., Inc. sits in the stronger part of the group on stability, while Illumina, Inc. is closer to mid-pack.
Growth
On growth, Illumina, Inc. is positioned higher in the group, while Merck & Co., Inc. is closer to the middle.
Stability — Dominant Gap
ILMN
18
MRK
57
Gap+39in favour of MRK

The clearest distance comes from a steadier profile over time.

What keeps the gap from being one-sided

Earnings growth also leans the other way, which keeps the score lead from reading as a full growth sweep.

What this means for the comparison

The main read on stability is clearer than the broader score gap.

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Break down the ILMN vs MRK comparison across all dimensions with the full interactive tool.

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Other comparisons with conflicting dimension signals

Explore how ILMN and MRK 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.