Avantor, Inc. (NYSE:AVTR) showed up in the 13F filings of 404 institutional investors as of December 2025.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| DODGE & COX | 31 Mar, 2026 | 119,648,329 | 2,583,186 | 2.21% | $938,042,899.00 |
| BlackRock, Inc. | 31 Mar, 2026 | 65,703,554 | 6,106,628 | 10.25% | $515,115,868.00 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 31 Mar, 2026 | 31,275,847 | 31,275,847 | 0.00% | $245,202,640.00 |
| VANGUARD CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 30,606,112 | 30,606,112 | 0.00% | $239,951,918.00 |
| WELLINGTON MANAGEMENT GROUP LLP | 31 Mar, 2026 | 24,224,156 | 787,520 | 3.36% | $189,917,384.00 |
| GREENHAVEN ASSOCIATES INC | 31 Mar, 2026 | 22,593,838 | 2,093,185 | 10.21% | $177,135,690.00 |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC | 31 Mar, 2026 | 22,358,399 | -10,928,775 | -32.83% | $175,289,848.00 |
| State Street Corp | 31 Mar, 2026 | 20,721,079 | 511,673 | 2.53% | $162,453,259.00 |
| Engine Capital Management, LP | 31 Mar, 2026 | 19,780,830 | 7,853,018 | 65.84% | $155,081,707.00 |
| DIMENSIONAL FUND ADVISORS LP | 31 Mar, 2026 | 16,894,649 | 2,288,053 | 15.66% | $132,443,131.00 |
| T. Rowe Price Investment Management, Inc. | 31 Mar, 2026 | 14,786,678 | -38,584,079 | -72.29% | $115,928.00 |
| New Mountain Capital, L.L.C. | 31 Mar, 2026 | 14,000,000 | 0 | 0.00% | $109,760,000.00 |
| D. E. Shaw & Co., Inc. | 31 Mar, 2026 | 13,110,674 | 6,894,751 | 110.92% | $102,787,684.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 12,891,421 | 912,861 | 7.62% | $101,093,207.00 |
| LONDON CO OF VIRGINIA | 31 Mar, 2026 | 10,852,257 | -1,084,265 | -9.08% | $85,081,702.00 |
| FULLER & THALER ASSET MANAGEMENT, INC. | 31 Mar, 2026 | 10,632,112 | 7,387,318 | 227.67% | $83,355,761.00 |
| Clarkston Capital Partners, LLC | 31 Mar, 2026 | 8,629,389 | -6,475,676 | -42.87% | $67,654,410.00 |
| First Pacific Advisors, LP | 31 Mar, 2026 | 8,089,023 | 4,120,403 | 103.82% | $63,417,940.00 |
| Invesco Ltd. | 31 Mar, 2026 | 8,073,854 | -9,104,862 | -53.00% | $63,299,016.00 |
| FMR LLC | 31 Mar, 2026 | 7,610,318 | -60,414 | -0.79% | $59,664,887.00 |