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AVTR: insider buying, 13F holders, analyst moves
Avantor Inc - US
A summary of public filings about Avantor Inc - US. For the latest insider history, price chart, analyst changes and activist filings, open the live lookup.
SEC Form 13F · Q2 2026
5 of our 100 managers hold AVTR
Combined reported value $494.3M; 2 sold out since Q1 2026.
Holders among our 100 managers: 2 in Q3 2023, 5 in Q2 2026.
| Manager | Value | % of portfolio | Change vs Q1 2026 |
|---|---|---|---|
| Greenhaven Associates | $243.9M | 2.82% | Added |
| First Pacific Advisors | $81.1M | 1.00% | Added |
| Jeffrey L. Gendell | $75.3M | 0.68% | Added |
| Yacktman Asset | $47.2M | 0.58% | Added |
| Southeastern Asset Management | $46.8M | 2.44% | Added |
Important information
Facts from public SEC filings, shown for information only. Not a recommendation. Not individualized investment advice. Gulfstream Capital and its clients may hold positions in securities shown.