Avantor, Inc. filed its Form 10-Q for the quarterly period ended September 30, 2026 with the U.S. Securities and Exchange Commission on October 28, 2026, covering financial results and disclosures for the third quarter of fiscal year 2026.

Key Highlights

  • Shares outstanding: As of October 23, 2026, 677,615,769 shares of common stock, $0.01 par value per share, were outstanding.
  • Filer status: Avantor is classified as a large accelerated filer, and is not a smaller reporting company or emerging growth company, according to the filing.
  • Exchange listing: The common stock trades on the New York Stock Exchange under the ticker symbol AVTR.
  • Reporting period: The quarterly report covers the period ended September 30, 2026, with the company incorporated in Delaware and headquartered in Radnor, Pennsylvania.
  • Forward-looking statements: The filing contains forward-looking statements subject to the safe harbor under the Private Securities Litigation Reform Act of 1995, with the company cautioning that assumptions and expectations may not prove correct.

Avantor's Third-Quarter 2026 Quarterly Report: Filing Details and Structure

Avantor, Inc. (NYSE:AVTR), a Delaware-incorporated company headquartered at Radnor Corporate Center, Building One, Suite 200, 100 Matsonford Road, Radnor, Pennsylvania 19087, submitted its Form 10-Q for the quarterly period ended September 30, 2026. The filing carries Commission file number 001-38912 and an IRS Employer Identification Number of 82-2758923. As of October 23, 2026, the company reported 677,615,769 shares of common stock outstanding at a par value of $0.01 per share.

The filing confirms that Avantor has filed all reports required under Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months and has been subject to filing requirements for the past 90 days. The company also confirmed it submitted all required Interactive Data Files electronically. It is not a shell company, as indicated in the filing.

The report's table of contents references financial statements, management's discussion and analysis of financial condition and results of operations, quantitative and qualitative disclosures about market risk, and controls and procedures under Part I, along with legal proceedings, risk factors, and other information under Part II. The filing includes a glossary defining key operational terms, including business segments such as Fluid Handling, Process Chemicals, Research and Specialty Chemicals, Services, and the VWR Channel, among others. The company noted that its forward-looking statements, which appear throughout the report, "are not guarantees of performance" and are subject to risks and uncertainties described in the filing and the company's Annual Report on Form 10-K for the year ended December 31, 2025.

What Was Disclosed

Avantor, Inc. filed a Form 10-Q for the quarter ended September 30, 2026, reporting 677,615,769 shares of common stock outstanding as of October 23, 2026, and confirming its status as a large accelerated filer listed on the New York Stock Exchange.