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AVTR · CUSIP 05352A100

Avantor, Inc.

Reported by 5 of 79 curated managers in Q2 2026, in the holdings snapshot last exported 2026-08-24.

Managers holding
5
Average portfolio weight
1.5%
Combined reported value
$1.6B
Research group
79

5 of the 79 superinvestors Shameless Cloning tracks reported Avantor, Inc. (AVTR) in their Q2 2026 13F filings, worth $1.6B combined, at an average 1.5% of their portfolios. The largest positions by portfolio weight belong to Greenhaven Associates (2.8%), Mason Hawkins (2.4%), First Pacific Advisors (1.0%).

Reporting managers

This is a historical 13F snapshot, not a live shareholder register. The count covers all matched managers; dashboard rankings use only those with at least 95% coverage. Reported value is measured at filing quarter-end, not at today's price.

Managers reporting Avantor, Inc.
Manager / SEC filer% of portfolioReported value
Greenhaven AssociatesGREENHAVEN ASSOCIATES INC2.8%$243.9M
Mason HawkinsSOUTHEASTERN ASSET MANAGEMENT INC/TN/2.4%$46.8M
First Pacific AdvisorsFirst Pacific Advisors, LP1.0%$81.1M
Dodge & Cox FundsDodge & Cox0.6%$1.2B
Yacktman Asset ManagementYACKTMAN ASSET MANAGEMENT LP0.6%$47.2M