Avantor, Inc. (NYSE:AVTR) currently has 10 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| DODGE & COX | 30 Sep, 2025 | 117,746,888 | 313,404 | 0.27% | $1,469,481,162.00 |
| VANGUARD GROUP INC | 30 Sep, 2025 | 65,988,977 | 1,135,279 | 1.75% | $823,542,433.00 |
| BlackRock, Inc. | 30 Sep, 2025 | 60,716,987 | -11,188,159 | -15.56% | $757,747,993.00 |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC | 30 Sep, 2025 | 34,548,129 | 3,356,861 | 10.76% | $431,160,650.00 |
| T. Rowe Price Investment Management, Inc. | 30 Sep, 2025 | 32,927,695 | -23,573,020 | -41.72% | $410,938.00 |
| STATE STREET CORP | 30 Sep, 2025 | 20,365,770 | -3,118,996 | -13.28% | $254,164,810.00 |
| Engine Capital Management, LP | 30 Sep, 2025 | 19,720,430 | 14,216,121 | 258.27% | $246,110,966.00 |
| GREENHAVEN ASSOCIATES INC | 30 Sep, 2025 | 18,311,570 | 18,311,570 | 0.00% | $228,528,394.00 |
| Invesco Ltd. | 30 Sep, 2025 | 16,053,368 | 119,508 | 0.75% | $200,346,033.00 |
| Clarkston Capital Partners, LLC | 30 Sep, 2025 | 15,020,325 | 1,038,235 | 7.43% | $187,453,656.00 |
| New Mountain Capital, L.L.C. | 30 Sep, 2025 | 14,000,000 | 0 | 0.00% | $174,720,000.00 |
| DIMENSIONAL FUND ADVISORS LP | 30 Sep, 2025 | 13,383,746 | 2,482,519 | 22.77% | $167,001,203.00 |
| LONDON CO OF VIRGINIA | 30 Sep, 2025 | 12,793,957 | 12,793,957 | 0.00% | $159,668,591.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 30 Sep, 2025 | 12,295,686 | 390,039 | 3.28% | $153,479,272.00 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 30 Sep, 2025 | 12,006,252 | -3,908,321 | -24.56% | $149,838,025.00 |
| CITADEL ADVISORS LLC | 30 Sep, 2025 | 7,972,934 | 7,972,934 | 0.00% | $99,502,216.00 |
| Robeco Schweiz AG | 30 Sep, 2025 | 7,920,177 | -807,007 | -9.25% | $98,843,809.00 |
| FMR LLC | 30 Sep, 2025 | 7,621,830 | 706,358 | 10.21% | $95,120,445.00 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 30 Sep, 2025 | 7,502,086 | 1,640,120 | 27.98% | $93,626,033.00 |
| BANK OF AMERICA CORP /DE/ | 30 Sep, 2025 | 6,969,143 | -525,952 | -7.02% | $86,974,905.00 |