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IQVIA Holdings vs Thermo Fisher Scientific: Which Stock Looks Stronger in 2026?

The structural profiles are close, with IQVIA carrying a narrow edge on growth. Thermo Fisher Scientific still has the edge on stability, which keeps the comparison from looking entirely one-sided. Both sides have seen trend damage — neither carries a clear market edge right now. With both trends damaged, the structural comparison carries most of the weight here.

The comparison is based on similar long-term financial trajectories, not sector labels. Both peer scores are relative to the S&P 500 universe, making them directly comparable.

Updated 2026-05-17

The clearest score difference appears in growth, while stability still leans the other way.

INDUSTRY COMPARISON

Both operate in: Diagnostics & Research

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

For a similarity-based comparison, see how IQVIA and Thermo Fisher Scientific each position within their functional peer groups in AssetNext.

Peer-Relative Score
IQV
IQVIA Holdings Inc.
53
Peer-Score
Signal qualitylow
Peer basis: S&P 500
vs
TMO
Thermo Fisher Scientific Inc.
49
Peer-Score
Signal qualitylow
Peer basis: S&P 500

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

The largest gaps do not all point in the same direction.

Dimension spread: IQV vs TMO Profitability 42 37 Stability 25 49 Valuation 75 67 Growth 66 40 IQV TMO
Gap Ranking
#1 Growth +26
#2 Stability +24
#3 Valuation +8
#4 Profitability +5
Price Setup

Left means cheaper relative valuation. Higher means stronger structure.

Price setup map for IQV and TMO Stronger + cheaper Stronger + richer Weaker + cheaper Weaker + richer IQVTMO Relative valuation Structural strength

The structural gap is limited here, but current pricing still leans against Thermo Fisher Scientific Inc..

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

Entry today — historical context

Where IQV and TMO each sit in their own 5-year price and valuation history.

BASED ON 5-YEAR HISTORY IQV Lower · below norm 0th 50th 100th 3 pct gap TMO Lower · below norm 0th 50th 100th 10th 7th
IQV (10th percentile) and TMO (7th percentile) both sit in the lower 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
Growth
Both profiles are strong on growth, but IQVIA Holdings Inc. leads clearly.
Stability
Stability also leans toward Thermo Fisher Scientific Inc., reinforcing the broader structural lead.
Growth — Dominant Gap
IQV
66
TMO
40
Gap+26in favour of IQV

The current lead is backed by a stronger multi-year growth trajectory.

What keeps the gap from being one-sided

There is still a strong counterforce in stability, so the lead stays clear without becoming a sweep.

What this means for the comparison

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

Explore full peer positioning in AssetNext

Break down the IQV vs TMO comparison across all dimensions with the full interactive tool.

Explore full breakdown →
Other comparisons with conflicting dimension signals

Explore how IQV and TMO 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.