AvantorAVTR
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 433 institutions reported holding Avantor Inc. (AVTR) in their 13F filings, up 12 from Q4 2025. 82 opened new positions and 70 sold out. The largest holders were Dodge & Cox ($938.0M), BlackRock, Inc. ($515.1M) and Vanguard Portfolio Management LLC ($245.2M). 10 famous investors held it, including Stephen Yacktman (0.5% of Yacktman Asset Management's portfolio), Paul Tudor Jones (0.1% of Tudor Investment Corporation's portfolio) and David E. Shaw (0.1% of D. E. Shaw & Co.'s portfolio).
- Company
- Avantor Inc.
- CUSIP
- 05352A100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 82 | $167.3M |
| Exits | 70 | $105.4M |
All 13F filers, Q4 2025 → Q1 2026: 96,077,722 shares bought and 109,743,825 shares sold, net −13,666,103 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 433 holders
| Dodge & Cox | 0.52% | Add +2.2% | 119,648,329 | $938.0M |
| BlackRock, Inc. | 0.01% | Add +10.3% | 65,703,554 | $515.1M |
| Vanguard Portfolio Management LLC | 0.01% | — | 31,275,847 | $245.2M |
| Vanguard Capital Management LLC | 0.01% | — | 30,606,112 | $240.0M |
| Wellington Management Group LLP | 0.04% | Add +3.4% | 24,224,156 | $189.9M |
| Greenhaven Associates Inc. | 2.92% | Add +10.2% | 22,593,838 | $177.1M |
| Barrow Hanley Mewhinney & Strauss LLC | 0.57% | Reduce -32.8% | 22,358,399 | $175.3M |
| State Street Corp. | 0.01% | Add +2.5% | 20,721,079 | $162.5M |
| Engine Capital Management, LP | 18.72% | Add +65.8% | 19,780,830 | $155.1M |
| Dimensional Fund Advisors LP | 0.03% | Add +15.7% | 16,894,649 | $132.4M |
| T. Rowe Price Investment Management, Inc. | 0.08% | Reduce -54.0% | 14,786,678 | $115.9M |
| New Mountain Capital, L.L.C. | 100.00% | No change | 14,000,000 | $109.8M |
| D. E. Shaw & Co. | 0.09% | Add +110.9% | 13,110,674 | $102.8M |
| Geode Capital Management, LLC | 0.01% | Add +7.6% | 12,891,421 | $101.1M |
| London Co. of Virginia | 0.52% | Reduce -9.1% | 10,852,257 | $85.1M |
| Fuller & Thaler Asset Management, Inc. | 0.28% | Add +555.3% | 10,632,112 | $83.4M |
| Clarkston Capital Partners, LLC | 5.16% | Reduce -42.9% | 8,629,389 | $67.7M |
| First Pacific Advisors, LP | 0.91% | Add +103.8% | 8,089,023 | $63.4M |
| Invesco Ltd. | 0.01% | Reduce -53.0% | 8,073,854 | $63.3M |
| FMR LLC | 0.00% | Reduce -0.8% | 7,610,318 | $59.7M |
| Bank of America Corp. | 0.00% | Add +24.3% | 7,067,563 | $55.4M |
| Morgan Stanley | 0.00% | Reduce -65.1% | 6,098,287 | $47.8M |
| Earnest Partners LLC | 0.19% | Reduce -0.1% | 6,024,712 | $47.2M |
| Northern Trust Corp. | 0.01% | Add +2.8% | 5,458,656 | $42.8M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +10.9% | 5,410,744 | $42.4M |
| Sei Investments Co. | 0.04% | Add +0.9% | 5,287,850 | $41.5M |
| Jane Street Group, LLC | 0.04% | Add +29.6% | 4,966,462 | $38.9M |
| Gendell Jeffrey L | 0.53% | Add +802.3% | 4,917,270 | $38.6M |
| AQR Capital Management | 0.02% | Add +10.8% | 4,867,208 | $37.7M |
| Yacktman Asset Management | 0.50% | New | 4,745,000 | $37.2M |
| Voss Capital, LP | 1.99% | Add +8.4% | 4,447,083 | $34.9M |
| Bank of New York Mellon Corp | 0.01% | Add +0.0% | 4,418,987 | $34.6M |
| Brickwood Asset Management LLP | 25.52% | Add +36.2% | 4,337,012 | $34.0M |
| Vanguard Fiduciary Trust Co. | 0.01% | — | 4,227,746 | $33.1M |
| Robeco Schweiz AG | 0.69% | Reduce -42.5% | 4,189,536 | $32.8M |
| Ameriprise Financial Inc. | 0.01% | Add +13.5% | 4,115,694 | $32.3M |
| Voya Investment Management LLC | 0.04% | Reduce -24.6% | 3,738,322 | $29.3M |
| Goldman Sachs Group Inc. | 0.00% | Add +297.7% | 3,714,275 | $29.1M |
| UBS Group AG | 0.01% | Reduce -52.7% | 3,660,024 | $28.7M |
| Southeastern Asset Management Inc. | 1.36% | Reduce -0.8% | 3,520,212 | $27.6M |
| Marshall Wace, LLP | 0.03% | New | 3,437,833 | $27.0M |
| Eversept Partners, LP | 1.54% | Reduce -6.4% | 2,974,287 | $23.3M |
| Freestone Grove Partners LP | 0.16% | Add +8.0% | 2,791,157 | $21.9M |
| Private Management Group Inc. | 0.62% | Add +11.2% | 2,732,995 | $21.4M |
| Prescott General Partners LLC | 1.49% | New | 2,600,000 | $20.4M |
| Natixis Advisors, LLC | 0.03% | Add +19.8% | 2,541,675 | $19.9M |
| Millennium Management | 0.01% | Reduce -33.6% | 2,435,280 | $19.1M |
| Tudor Investment Corporation | 0.10% | Add +625.0% | 2,344,437 | $18.4M |
| Jones Financial Companies LLLP | 0.01% | Add +210068.4% | 2,330,767 | $17.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +2.6% | 2,146,729 | $16.8M |
| Frontier Capital Management Co. LLC | 0.16% | Add +11.7% | 2,024,010 | $15.9M |
| Loews Corp | 0.13% | Add +100.0% | 2,000,000 | $15.7M |
| Diamond Hill Capital Management, LLC (Investment Advisor) | 0.09% | New | 1,767,029 | $13.9M |
| Rhumbline Advisers | 0.01% | Add +0.1% | 1,658,438 | $13.0M |
| New South Capital Management Inc. | 0.59% | Reduce -13.7% | 1,563,307 | $12.3M |
| Principal Financial Group Inc. | 0.01% | Add +3.9% | 1,522,563 | $11.9M |
| Royce & Associates LP | 0.11% | Add +3519.2% | 1,463,622 | $11.5M |
| Nuveen, LLC | 0.00% | Reduce -0.9% | 1,431,353 | $11.2M |
| Swiss National Bank | 0.01% | Add +0.4% | 1,349,400 | $10.6M |
| JPMorgan Chase & Co. | 0.00% | Add +16.0% | 1,383,348 | $10.5M |
| Gotham Asset Management | 0.03% | Add +266.5% | 1,328,179 | $10.4M |
| Loomis Sayles & Co. L P | 0.01% | New | 1,241,432 | $9.7M |
| Alliancebernstein L.P. | 0.00% | Reduce -1.1% | 847,621 | $9.7M |
| Olstein Capital Management, L.P. | 2.07% | Add +47.9% | 1,210,000 | $9.5M |
| Lightrock Netherlands B.V. | 1.96% | Add +22.9% | 328,626 | $9.2M |
| Quantinno Capital Management LP | 0.02% | Add +187.4% | 1,169,147 | $9.2M |
| California Public Employees Retirement System | 0.01% | Add +24.9% | 1,155,532 | $9.1M |
| Kettle Hill Capital Management, LLC | 2.22% | New | 1,128,537 | $8.8M |
| Clearline Capital LP | 0.69% | Add +123.6% | 1,123,806 | $8.8M |
| Manufacturers Life Insurance Company, The | 0.01% | Reduce -87.4% | 1,101,504 | $8.6M |
| Taikang Asset Management (Hong Kong) Co Ltd | 0.80% | Add +109.4% | 1,018,891 | $8.0M |
| Barclays PLC | 0.00% | Add +3.0% | 996,561 | $7.8M |
| Raymond James Financial Inc. | 0.00% | Reduce -26.7% | 950,437 | $7.5M |
| TD Asset Management Inc | 0.01% | Reduce -59.4% | 930,600 | $7.3M |
| Stanley Capital Management, LLC | 1.20% | No change | 918,500 | $7.2M |
| Legal & General Group Plc | 0.00% | Reduce -9.3% | 906,624 | $7.1M |
| Retirement Systems of Alabama | 0.02% | Add +2.2% | 836,164 | $6.6M |
| Cerity Partners LLC | 0.01% | Add +8099.4% | 825,924 | $6.5M |
| Wells Fargo & Company | 0.00% | Reduce -39.9% | 815,002 | $6.4M |
| Readystate Asset Management LP | 0.63% | Reduce -3.0% | 788,250 | $6.2M |
| California State Teachers Retirement System | 0.01% | Add +22.6% | 785,799 | $6.2M |
| Woodline Partners LP | 0.02% | New | 755,694 | $5.9M |
| Sector Gamma As | 1.29% | No change | 695,403 | $5.5M |
| Corient Private Wealth LP | 0.01% | Add +2.1% | 637,530 | $5.0M |
| T. Rowe Price Associates Inc. | 0.00% | Add +12.7% | 634,950 | $5.0M |
| Algert Global LLC | 0.07% | Add +736.5% | 630,360 | $4.9M |
| DekaBank Deutsche Girozentrale | 0.01% | No change | 628,082 | $4.9M |
| Man Group plc | 0.01% | New | 611,110 | $4.8M |
| Qube Research & Technologies Ltd | 0.01% | New | 608,347 | $4.8M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 601,610 | $4.7M |
| Citadel Advisors | 0.00% | Reduce -54.2% | 569,511 | $4.5M |
| Vanguard Global Advisers, LLC | 0.00% | — | 568,132 | $4.5M |
| Twinbeech Capital LP | 0.46% | New | 567,389 | $4.4M |
| State Board of Administration of Florida Retirement System | 0.01% | Reduce -0.8% | 563,860 | $4.4M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Add +306.9% | 548,787 | $4.3M |
| Shapiro Capital Management LLC | 0.26% | New | 536,275 | $4.2M |
| Amundi | 0.00% | Add +357.3% | 531,575 | $4.2M |
| Weiss Asset Management LP | 0.11% | Reduce -30.1% | 527,903 | $4.1M |
| State of Wisconsin Investment Board | 0.01% | Add +12.8% | 520,813 | $4.1M |
| King Luther Capital Management Corp. | 0.02% | Add +1477.3% | 504,734 | $4.0M |
"% of holder's portfolio" is AVTR's weight in each manager's 13F, not the share of Avantor Inc. the manager owns.