Avantor, Inc.

Historical 13F Holders

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

13D/G Filers

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 Filers Shares, Excl. Options Value, Excl. Options
2026 Q3 395 544 M $8.20B
2026 Q2 463 699 M $6.93B
2026 Q1 434 676 M $5.31B
2025 Q4 424 716 M $8.22B
2025 Q3 471 686 M $8.56B
2025 Q2 515 712 M $9.58B
2025 Q1 498 692 M $11.3B
2024 Q4 503 686 M $14.4B
2024 Q3 530 685 M $17.7B
2024 Q2 523 650 M $13.8B
2024 Q1 503 645 M $16.5B
2023 Q4 476 645 M $14.8B
2023 Q3 443 630 M $13.3B
2023 Q2 448 612 M $12.6B
2023 Q1 471 615 M $13.0B
2022 Q4 449 592 M $12.5B
2022 Q3 446 594 M $11.6B
2022 Q2 488 594 M $18.5B
2022 Q1 488 572 M $19.4B
2021 Q4 504 561 M $23.6B
2021 Q3 478 561 M $23.0B
2021 Q2 443 533 M $18.9B
2021 Q1 418 546 M $15.8B
2020 Q4 395 533 M $15.1B
2020 Q3 326 495 M $11.1B
2020 Q2 271 484 M $8.24B
2020 Q1 178 457 M $5.71B
2019 Q4 169 461 M $8.36B
2019 Q3 154 446 M $6.56B
2019 Q2 113 418 M $7.88B
2019 Q1 1 137 $5.00k