Avantor, Inc.

Historical 13F Holders

Symbol
AVTR
CUSIP
05352A100
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 05352A100 since 12/18/2024, largest first.

Filer % of Class Filed
Dodge & Cox 13G/A 17.2% 8/13/2025
Event 6/30/2025
BlackRock, Inc. 13G/A 8.7% 10/17/2025
Event 9/30/2025
Vanguard Capital Management LLC 13G 5.3% 4/29/2026
Event 3/31/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (3)
Barrow Hanley Mewhinney & Strauss LLC 13G 4.9% 2/11/2026
Event 12/31/2025
T. Rowe Price Investment Management, Inc. 13G/A 4.8% 11/14/2025
Event 9/30/2025
Vanguard Group Inc 13G/A 0% 3/26/2026
Event 3/13/2026

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 34 3.05 M $45.6 M
2026 Q2 476 707 M $7.70 B
2026 Q1 449 676 M $5.31 B
2025 Q4 453 718 M $8.24 B
2025 Q3 501 681 M $8.49 B
2025 Q2 551 713 M $9.60 B
2025 Q1 521 697 M $11.4 B
2024 Q4 533 686 M $14.5 B
2024 Q3 569 688 M $17.8 B
2024 Q2 556 656 M $13.9 B
2024 Q1 531 652 M $16.7 B
2023 Q4 507 651 M $14.9 B
2023 Q3 470 630 M $13.3 B
2023 Q2 471 614 M $12.6 B
2023 Q1 496 616 M $13.0 B
2022 Q4 469 609 M $12.9 B
2022 Q3 471 610 M $12.0 B
2022 Q2 515 594 M $18.5 B
2022 Q1 511 573 M $19.4 B
2021 Q4 532 562 M $23.7 B
2021 Q3 505 562 M $23.0 B
2021 Q2 469 534 M $19.0 B
2021 Q1 443 546 M $15.8 B
2020 Q4 421 534 M $15.1 B
2020 Q3 346 496 M $11.1 B
2020 Q2 289 485 M $8.25 B
2020 Q1 185 457 M $5.71 B
2019 Q4 182 472 M $8.57 B
2019 Q3 160 446 M $6.56 B
2019 Q2 119 420 M $7.91 B
2019 Q1 1 137 $5.00 k