Which has the lower trailing P/E, ILMN or IQV?

IQV has the lower trailing P/E: ILMN trades at 51.15 and IQV at 32.11. P/E is one valuation measure and does not by itself establish which business is cheaper.

Which has grown faster, ILMN or IQV?

Over the past five years, IQV grew revenue faster — ILMN at a 5.04% CAGR versus IQV at 5.61%.

Is ILMN or IQV more profitable?

ILMN runs the higher net margin — ILMN at 18.36% versus IQV at 8.10%.

How have ILMN and IQV total returns compared?

Over the past 10 years, ILMN delivered 4.17% and IQV delivered 12.39% annualized total return. Past performance doesn't predict future results.

Illumina, Inc. (ILMN) vs IQVIA Holdings Inc. (IQV)

A side-by-side comparison of Illumina, Inc. and IQVIA Holdings Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 2, 2026. Differences are shown without an overall score or investment verdict.

ILMN

Illumina, Inc.

$41.48B

$274.18HealthcareDelayed quote: Oct 2, 2026, 3:55 PM EDT

IQV

IQVIA Holdings Inc.

$42.60B

$258.83HealthcareDelayed quote: Oct 2, 2026, 3:55 PM EDT

Total return — ILMN vs IQV

growth of $100 · dividends reinvested · last 10y

ILMN +51.1% (+4.2%/yr)IQV +228.9% (+12.6%/yr)IQV compounded faster over this window

ILMN IQV

ILMN vs IQV: by the numbers

•IQV is the larger company ($42.60B vs $41.48B market cap).
•IQV trades at the lower trailing earnings multiple (32.11 vs 51.15 P/E), one valuation lens rather than an overall verdict.
•ILMN converts more revenue to profit (18.36% vs 8.10% net margin).
•IQV grew revenue faster over the past five years (5.61% vs 5.04% CAGR).

Metrics side by side

Valuation

Metric	ILMN	IQV
P/E ratio	51.15	32.11
Forward P/E	51.22	19.96
PEG ratio	12.04	0.79
P/S ratio	9.23	2.51
P/B ratio	14.62	6.90
EV / EBITDA	35.37	16.32
FCF yield	2.26%	N/A

Profitability

Metric	ILMN	IQV
Gross margin	66.79%	26.23%
Operating margin	20.97%	13.57%
Net margin	18.36%	8.10%
ROE	29.07%	22.28%
ROIC	13.74%	8.32%

Growth (annualized)

Metric	ILMN	IQV
Revenue CAGR (5Y)	5.04%	5.61%
EPS CAGR (5Y)	4.22%	40.21%
FCF CAGR (5Y)	1.03%	N/A
Total return CAGR (5Y)	-7.09%	1.54%

Frequently asked

Which has the lower trailing P/E, ILMN or IQV?: IQV has the lower trailing P/E: ILMN trades at 51.15 and IQV at 32.11. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, ILMN or IQV?: Over the past five years, IQV grew revenue faster — ILMN at a 5.04% CAGR versus IQV at 5.61%.
Is ILMN or IQV more profitable?: ILMN runs the higher net margin — ILMN at 18.36% versus IQV at 8.10%.
How have ILMN and IQV total returns compared?: Over the past 10 years, ILMN delivered 4.17% and IQV delivered 12.39% annualized total return. Past performance doesn't predict future results.

Go deeper

Full ILMN analysis Full IQV analysis Interactive comparison tool

Dig into the metrics

Illumina P/E ratio IQVIA P/E ratio Illumina ROE IQVIA ROE Illumina operating margin IQVIA operating margin Illumina revenue growth IQVIA revenue growth Illumina free cash flow IQVIA free cash flow

Illumina & IQVIA appear in these rankings

Highest ROE Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified October 2, 2026.