Avantor market cap AVTR
Share price times shares outstanding: what the whole company sells for, since 2019.
- Today, Oct 23, 2026
- $11.7B
- Highest close in our data
- $25.7B
- Sep 2021
Avantor is worth $11.7B at the close on Oct 23, 2026, at $17.29 a share.
That is up 11% over the last year and down 52% over five years.
Its highest close in our data was $25.7B in Sep 2021.
Market cap over time
Year by year
| Year | End of year | Low | High | Change |
|---|---|---|---|---|
| 2026 so far | $11.7B | $5.1B | $11.7B | +50% |
| 2025 | $7.8B | $7.5B | $15.2B | −47% |
| 2024 | $14.6B | $14.1B | $18.3B | −6% |
| 2023 | $15.4B | $12.1B | $16.9B | +9% |
| 2022 | $14.2B | $13B | $23B | −45% |
| 2021 | $25.7B | $15.9B | $25.7B | +58% |
| 2020 | $16.3B | $6B | $16.3B | +56% |
| 2019 | $10.4B | $7.9B | $10.4B | n/a |
Against its peers
Companies in Medical - Diagnostics & Research nearest Avantor's size, closest first, today.
| Company | Market cap |
|---|---|
| AVTRAvantor | $11.7B |
| BIOBio-Rad Laboratories | $9.9B |
| CAICaris Life Sciences | $9B |
| RVTYRevvity | $17.7B |
| MEDPMedpace | $18.7B |
| LNTHLantheus | $6.5B |
| LHLabcorp | $26.7B |
| DGXQuest Diagnostics | $26.7B |
| BLLNBillionToOne | $5.1B |
| MTDMettler-Toledo International | $33.5B |
| VCYTVeracyte | $3.9B |
| Peer median | $13.8B |
What the market cap tells you
Share price times shares outstanding: what the whole company sells for today.
Size, not quality. Large caps move slower and are covered more. That is all it tells you.
More on Avantor
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.