Avantor (AVTR)Vaughan Nelson Investment Management, L.P. opened a new position $73.2M

7.39M

Shares reported

0.65%

Disclosed portfolio weight

$73.2M

Reported value

Holdings as of

Jun 30, 2026

Filed

Jul 16, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Apr 17, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“On April 23, 2026, Avantor, Inc. (the “Company”) filed a Current Report on Form 8-K (the “Original 8-K”) disclosing that Benoit Gourdier, the Company’s Executive Vice President, Bioscience and Medtech Products, would transition to a new role supporting the Company’s segment integration activities for a period of time, after which he would depart the Company.”
2. Jul 14, 2026Company filing · Form 8-K · Material agreement, New debtSigned an important agreement, and took on new debt or obligations

What came next

1. Jul 29, 2026Company filing · Form 8-K · ResultsReported its results
2. Aug 3, 2026Federal contract · $96K obligatedDepartment of Health and Human Services awarded Avantor, Inc.: $96K obligated to date
3. Sep 17, 2026Company filing · Form 8-K · Executive change, Reg FDChanged a top executive or board member, and shared information with investors“On September 21, 2026, Avantor, Inc. (the “Company”), announced the appointment of Todd Garner as Executive Vice President and Chief Financial Officer, effective as of September 21, 2026 (the “Commencement Date”).”
4. Sep 17, 2026Company filing · Form 8-K · Executive change, Reg FDChanged a top executive or board member, and shared information with investors“On September 21, 2026, Avantor, Inc. (the “Company”), announced the appointment of Todd Garner as Executive Vice President and Chief Financial Officer, effective as of September 21, 2026 (the “Commencement Date”).”

How to read SEC Form 13F-HR

Form 13F is the quarterly report in which investment managers that oversee $100 million or more list the US-listed stocks and some other securities they held on the last day of the quarter.

Full guide: What is an SEC Form 13F?

What else is on file for Avantor

For Avantor, OQRO holds 13 fund holdings reports (13F) and 1 federal contract award dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its AVTR page.

How this filing works

• SEC Form 13F

Other disclosures at Avantor

• USAspending.gov award recordAug 31, 2026
• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRAug 14, 2026

Everything OQRO holds on this company is on its AVTR page.