AVTR fund manager activity
Avantor, Inc · NYSE. Reported by 18 tracked fund managers in their 13F filings, Q2 2019 to Q2 2026.
Q2 2026
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|
| Dodge & Cox Funds | Added | 120,020,974 | $1,188,207,643 | 0.62% | Aug 13, 2026 |
| First Pacific Advisors | Added | 8,190,740 | $81,088,326 | 1.02% | Aug 14, 2026 |
| Jeremy Grantham - GMO | No change | 106,700 | $1,056,330 | 0.00% | Aug 13, 2026 |
| Joel Greenblatt - Gotham Asset Management | Added | 2,516,444 | $24,912,796 | 0.06% | Aug 14, 2026 |
| Greenhaven Associates | Added | 24,637,310 | $243,909,369 | 2.82% | Jul 28, 2026 |
| Lee Ainslie - Maverick Capital | Sold out | — | — | 0.00% | Aug 14, 2026 |
| Robert Olstein - Olstein Capital Management | Sold out | — | — | 0.00% | Jul 7, 2026 |
| Mason Hawkins - Southeastern Asset Management | Added | 4,725,478 | $46,782,232 | 2.44% | Aug 14, 2026 |
| Yacktman Asset Management | Added | 4,770,000 | $47,223,000 | 0.58% | Aug 11, 2026 |
Q1 2026
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|
| Dodge & Cox Funds | Added | 119,648,329 | $938,042,899 | 0.52% | May 14, 2026 |
| First Pacific Advisors | Added | 8,089,023 | $63,417,940 | 0.91% | May 14, 2026 |
| Jeremy Grantham - GMO | New | 106,700 | $836,528 | 0.00% | May 14, 2026 |
| Joel Greenblatt - Gotham Asset Management | Added | 1,328,179 | $10,412,923 | 0.03% | May 15, 2026 |
| Greenhaven Associates | Added | 22,593,838 | $177,135,690 | 2.92% | Apr 6, 2026 |
| Lee Ainslie - Maverick Capital | New | 100,814 | $790,382 | 0.01% | May 15, 2026 |
| Robert Olstein - Olstein Capital Management | Added | 1,210,000 | $9,486 | 2.07% | Apr 21, 2026 |
| Mason Hawkins - Southeastern Asset Management | Trimmed | 3,520,212 | $27,598,462 | 1.36% | May 15, 2026 |
| Yacktman Asset Management | New | 4,745,000 | $37,200,800 | 0.50% | May 1, 2026 |
Older quarters