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NYSE · AVTRHealthcareLab Analytical Instruments

Avantor, Inc. (AVTR)

$15.65+0.38%
Close Nov 4, 2026 · split-adjusted
Nov 4, 2026$15.65▲ 35.15% in range
Nov 4, 2025Low $7.41 · High $17.29Nov 4, 2026
What changed · written from our data
As of Nov 4, 2026

Avantor closed at $15.65 on Nov 4, up 0.38%, 9.5% below its 52-week closing high. Volume of 10.0M shares was 0.94× its 20-day average (close to normal).

Split-adjusted performance: +1.4% over one month, +85.6% over six months, +34.0% over one year.

In the quarter ended Sep 30, 2026, revenue was $1.70B, up 4.6% from a year earlier, with a net margin of 12.0%.

Short interest was 34.6M shares at the Oct 15 settlement, down 12.0% from the prior report (5.3% of float, 4.6 days to cover).

Market cap$10.60B677.6M shares
Revenue · quarter$1.70B+4.6% YoY
Diluted EPS$0.30—
P/E · TTM31.4×P/S 1.6×
Net margin12.0%Gross 31.5%
Dividend yieldNone
52-week range7.41 – 17.29−9.5% from high
Volume10.0M0.94× 20-day avg
Volatility · 60d29.6%Annualised
Short % of float5.3%4.6 days to cover
Net cash-$3.25BCash $464.3M
Next earnings—Not scheduled
Split-adjusted performance
1W −6.2%1M +1.4%3M +18.7%6M +85.6%YTD +36.6%1Y +34.0%3Y −8.7%5Y −57.6%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Lab Analytical Instruments

Percentile among 22 companies (100 = best)

6-month momentum95
Revenue growth47
Net margin81
Value (low P/E)—
Size76

Industry medians: 6-month return +33.8%, revenue growth +4.9%, net margin −19.0%, P/E 38.3×.

Short interest

Details →
Shares short34.6M−12.0% vs prior
Days to cover4.6Settled Oct 15
% of float5.3%
Short vol. 10d43.1%of daily volume

Closest peers by size in Lab Analytical Instruments

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
AVTRAvantor$15.65+0.38%+85.6%+4.6%12.0%31.4$10.60B
BIOBio-Rad Laboratories$379.99+1.35%+46.7%−0.1%57.1%45.7$10.16BCompare
BIO.BBio-Rad Laboratories$379.50+4.22%—−0.1%57.1%45.6$10.15BCompare
BRKRBruker$63.79+12.90%+50.8%+5.2%−7.5%—$9.72BCompare
TXG10x Genomics$67.52+3.42%+196.9%−12.6%−11.9%—$8.80BCompare
RVTYRevvity$159.43−2.48%+60.9%+1.3%7.1%74.9$17.79BCompare
ILMNIllumina$226.54−4.90%+58.9%+4.2%19.5%38.3$34.25BCompare
MTDMettler-Toledo International$1,723.24+1.48%+29.9%+4.5%22.7%38.1$34.53BCompare
WATWaters$467.60+1.67%+33.8%+113.4%−8.3%276.5$45.94BCompare

News about Avantor

All news →
Avantor, Inc. (AVTR) is a Great Momentum Stock: Should You Buy?Zacks Investment Research · 5d ago▲ PositiveAvantor (AVTR) Upgraded to Buy: What Does It Mean for the Stock?Zacks Investment Research · 5d ago▲ PositiveAvantor, Inc. (AVTR) Surpasses Q3 Earnings and Revenue EstimatesZacks Investment Research · Oct 28, 2026NeutralHere's Why You Should Add Avantor Stock to Your Portfolio for NowZacks Investment Research · Oct 13, 2026▲ PositiveVTRS vs. AVTR: Which Stock Is the Better Value Option?Zacks Investment Research · Oct 6, 2026Neutral

Quick answers

What does Avantor do?
Avantor Inc provides products and services to customers in the biopharma, healthcare, education & government, and advanced technologies & applied materials industries. The company operates through two segments: Laboratory Solutions and Bioscience Production.
What is AVTR's market cap?
$10.60B, based on the Nov 4 close of $15.65.
What is AVTR's P/E ratio?
31.4× trailing-twelve-month earnings of $337.20M.
Does Avantor pay a dividend?
No regular cash dividend has been paid in the last year.
How much of AVTR is sold short?
34.6M shares, 5.3% of float, as of Oct 15, 2026.
What sector is AVTR in?
Healthcare, in the Lab Analytical Instruments industry.

About Avantor

Avantor Inc provides products and services to customers in the biopharma, healthcare, education & government, and advanced technologies & applied materials industries. The company operates through two segments: Laboratory Solutions and Bioscience Production. It offers materials & consumables, equipment & instrumentation, and services & specialty procurement. Product groups include Equipment & Instrumentation, Services & Specialty Procurement, Proprietary Materials & Consumables, and Third-Party Materials & Consumables. Materials & consumables include high-purity chemicals and reagents, lab supplies, customized excipients, single-use assemblies, chromatography products, sample preparation kits, and fluid handling solutions. It operates in the Americas, Europe, and AMEA.

HQ: Radnor, PA13,500 employeesListed May 17, 2019avantorsciences.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology