# Avantor, Inc. (AVTR)

> Avantor, Inc. (AVTR) trades at $15.57 (-0.54%) as of 11:31:21 AM EST on Nov 5, 2026, +1.47% over the past month. Market cap is $10.6B, with 4.6 days to cover in short interest.

Canonical: https://massive.com/quote/avtr
Data as of: 2026-11-05T16:31:21.026Z (15-minute delayed)
Source: Massive (https://massive.com/docs/llms.txt)

## Price

**$15.57** -0.09 (-0.54%)
As of 11:31:21 AM EST on Nov 5, 2026 · 15-minute delayed
NYSE · usd

## Stock performance

How Avantor, Inc. (AVTR) stock has performed from one day to one year, with its 52-week range.

| Period | Return |
| --- | --- |
| 1D | -0.48% |
| 1W | -6.62% |
| 1M | +1.47% |
| YTD | +35.91% |
| 1Y | +37.59% |
| 52-wk range | $7.27 – $17.45 |

From daily closes through Nov 5, 2026.

## Key statistics

Today's trading snapshot for AVTR: day range, open, previous close, volume and market cap.

| Measure | Value |
| --- | --- |
| Day range | $15.30 – $15.67 |
| Open | $15.60 |
| Prev close | $15.65 |
| Volume | 2M |
| Market cap | $10.6B |
| Shares out | 677.62M |

## Valuation and profitability ratios

Valuation and profitability ratios for Avantor, Inc.: P/E, P/S, P/B, ROE and more.

| Measure | Value |
| --- | --- |
| P/E | 31.45 |
| P/S | 1.60 |
| P/B | 1.82 |
| P/FCF | 24.15 |
| ROE | 5.8% |
| ROA | 2.9% |
| Debt/Equity | 0.64 |
| Div yield | 0.00% |

As of Nov 4, 2026

## Insider trading

[Avantor, Inc. (AVTR) insider trading](https://massive.com/quote/avtr/insider-trading.md): open-market Form 4 buys and sells by Avantor, Inc. insiders over the last 12 months.

## 8-K filings

Material corporate events Avantor, Inc. has disclosed to the SEC on Form 8-K.

- Nov 3, 2026 · Executive compensation change
  “On October 30, 2026, the Compensation and Human Resources Committee ... approved a special long-term incentive award for the Company's Executive Vice President, Chief Legal and Compliance Officer and Secretary, Claudius Sokenu... The award was granted on October 31, 2026, and is a grant of 62,305 restricted stock units ("RSUs") under the Company's 2019 Equity Incentive Plan.”
- Oct 28, 2026 · [Quarterly earnings](https://massive.com/quote/sec-filings/8-k/earnings-releases.md)
  “On October 28, 2026, Avantor, Inc. issued a press release announcing its financial results for the quarter ended September 30, 2026.”
- Sep 21, 2026 · Equity compensation grant
  “The Employment Letter also provides for an initial long-term equity grant under the Company's 2019 Equity Incentive Plan in the target amount of $1,500,000, half of which will be granted in the form of restricted stock units and half will be granted in the form of stock options issued at a 10% premium to the closing price of a share of the Company's common stock on the grant date.”
- Sep 21, 2026 · Equity compensation grant
  “The Employment Letter also provides for an initial long-term equity grant under the Company's 2019 Equity Incentive Plan in the target amount of $1,500,000, half of which will be granted in the form of restricted stock units and half will be granted in the form of stock options issued at a 10% premium to the closing price of a share of the Company's common stock on the grant date.”
- Jul 17, 2026 · Debt retirement
  “The Incremental B-7 Euro Term Loans replaced and refinanced certain of the Borrower's existing senior secured euro term loans, which had an interest rate equal to the floating EURIBO Rate plus a spread of 2.50% per annum, that were scheduled to mature on October 9, 2032.”

## Similar companies

Public companies in a similar business to Avantor, Inc..

- [TMO](https://massive.com/quote/tmo.md) Thermo Fisher Scientific, Inc. (-1.41%)
- [RVTY](https://massive.com/quote/rvty.md) Revvity, Inc. (-1.81%)
- [A](https://massive.com/quote/a.md) Agilent Technologies Inc. (-1.40%)

Daily change in the latest session, 15-minute delayed.

## AVTR short interest

How heavily AVTR is shorted: shares short, days to cover and average daily volume.

| Measure | Value |
| --- | --- |
| Days to cover | 4.6 |
| Short interest | 34.65M |
| Avg volume | 7.57M |

As of Oct 15, 2026 · reported to FINRA twice monthly.

## AVTR news

The latest news and headlines about Avantor, Inc. (AVTR).

- [Avantor, Inc. (AVTR) is a Great Momentum Stock: Should You Buy?](https://www.zacks.com/stock/news/3019870/avantor-inc-avtr-is-a-great-momentum-stock-should-you-buy?cid=CS-ZC-FT-fundamental_analysis|yseop_template_10-3019870) · Zacks Investment Research · Oct 30, 2026 · positive sentiment
- [Avantor (AVTR) Upgraded to Buy: What Does It Mean for the Stock?](https://www.zacks.com/stock/news/3019880/avantor-avtr-upgraded-to-buy-what-does-it-mean-for-the-stock?cid=CS-ZC-FT-fundamental_analysis|yseop_template_12_zacks_rank_upgrade-3019880) · Zacks Investment Research · Oct 30, 2026 · positive sentiment
- [Avantor, Inc. (AVTR) Surpasses Q3 Earnings and Revenue Estimates](https://www.zacks.com/stock/news/3016747/avantor-inc-avtr-surpasses-q3-earnings-and-revenue-estimates?cid=CS-ZC-FT-fundamental_analysis|yseop_template_4-3016747) · Zacks Investment Research · Oct 28, 2026 · neutral sentiment
- [Here's Why You Should Add Avantor Stock to Your Portfolio for Now](https://www.zacks.com/stock/news/3006206/here-s-why-you-should-add-avantor-stock-to-your-portfolio-for-now?cid=CS-ZC-FT-analyst_blog|rank_focused-3006206) · Zacks Investment Research · Oct 13, 2026 · positive sentiment
- [Progyny (PGNY) Soars 6.3%: Is Further Upside Left in the Stock?](https://www.zacks.com/stock/news/3002387/progyny-pgny-soars-6-3-is-further-upside-left-in-the-stock?cid=CS-ZC-FT-fundamental_analysis|daily_price_change_5%-3002387) · Zacks Investment Research · Oct 8, 2026 · positive sentiment

## About Avantor, Inc.

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.

| Measure | Value |
| --- | --- |
| Exchange | NYSE |
| Market | stocks |
| Type | CS |
| Currency | USD |
| Industry | LABORATORY ANALYTICAL INSTRUMENTS |
| Employees | 13.5K |
| Listed | May 17, 2019 |

[Company website](https://www.avantorsciences.com)

## FAQ

### What is the Avantor, Inc. (AVTR) stock price today?

Avantor, Inc. (AVTR) is trading at $15.57 (-0.54% on the day) as of 11:31:21 AM EST on Nov 5, 2026. Prices are delayed at least 15 minutes; real-time quotes are available from the Massive API.

### What is Avantor, Inc.?

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 the short interest in AVTR?

As of Oct 15, 2026, AVTR has 34.65M shares short and 4.6 days to cover.

### What exchange is AVTR listed on?

Avantor, Inc. (AVTR) trades on NYSE in USD, in the LABORATORY ANALYTICAL INSTRUMENTS industry.

## Live data

Prices here are 15-minute delayed. For real-time AVTR quotes and the full history behind this page, use the Massive API or MCP server:

- `GET https://api.massive.com/v3/snapshot?ticker.any_of=AVTR`

Requests need a Massive API key. API reference for agents: https://massive.com/docs/llms.txt. Connect an AI agent through the Massive MCP server: https://massive.com/docs/ai-tools.

## Related

- [Avantor, Inc. (AVTR) insider trading](https://massive.com/quote/avtr/insider-trading.md)
- [SEC 8-K events](https://massive.com/quote/sec-filings/8-k.md)
- [Markets overview](https://massive.com/quote/index.md)

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