Schedule 13G/A

CERT Schedule 13G/A filing by Dimensional Fund Advisors

Dimensional Fund Advisors reported beneficial ownership of 6.0M shares, representing 3.9% of CERTARA INC in this filing.

FiledJul 14, 2026

Ownership dateJun 30, 2026

Reported shares6.0M

Reported ownership3.9%

Ownership details

Voting and dispositive power reported in the filing

These figures describe the reporting filer’s disclosed voting and investment authority. They should be read together with the reported share count and percentage.

Sole voting power 5.9M

Shared voting power 0

Sole dispositive power 6.0M

Shared dispositive power 0

Price context

Price dates alongside the ownership filing

Price data provides market context around the disclosure. It does not identify the filer’s actual transaction price.

Close near filing date$6.67as of Jul 14, 2026

Latest tracked price$8.06as of Aug 5, 2026

Source

Original filing and accession

Use the SEC filing as the primary source when you need the complete disclosure, footnotes, exhibits, or reporting-person details.

Reporting filer: Dimensional Fund Advisors
CIK: CIK0000354204
Accession: 0000354204-26-000786
Form: Schedule 13G/A

Open SEC filing View CERT ownership history

Read the filing in context

Understand what a Schedule 13 filing does—and does not—tell you.

How to read a Schedule 13G → Does a 13G mean the shares were just bought? → Filing date vs. ownership date →