Avantor, Inc.
AVTR- Exchange
- NYSE
- Industry
- Laboratory Analytical Instruments
- SEC CIK
- 0001722482
No open-market purchases or sales by Avantor, Inc. insiders were filed in the last 90 days; 460 institutions reported holding it in 13F filings for Q2 2026, worth $6.92B in total; superinvestors Greenhaven Associates and Southeastern Asset Management (Longleaf) hold it.
13F holders, Q1 2026
Institutional positions in Avantor, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 433
- +20 vs. Q4 2025
- Shares held
- 675.7M
- +53.9M (+8.7%) vs. Q4 2025
- Total value
- $5.30B
- −$1.85B (−25.8%) vs. Q4 2025
- New holders
- 91
- 169 more added
- Sold out
- 71
- 126 more reduced
8 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AVTR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 460 | $6.92B |
| Q1 2026 | 433 | $5.30B |
| Q4 2025 | 421 | $7.97B |
| Q3 2025 | 466 | $8.47B |
| Q2 2025 | 506 | $9.58B |
| Q1 2025 | 485 | $11.2B |
| Q4 2024 | 493 | $14.4B |
| Q3 2024 | 520 | $17.7B |
| Q2 2024 | 515 | $13.8B |
| Q1 2024 | 497 | $16.5B |
| Q4 2023 | 472 | $14.8B |
| Q3 2023 | 439 | $13.3B |
| Q2 2023 | 443 | $12.6B |
| Q1 2023 | 467 | $13.0B |
| Q4 2022 | 446 | $12.5B |
| Q3 2022 | 440 | $11.6B |
| Q2 2022 | 484 | $18.5B |
| Q1 2022 | 481 | $19.4B |
| Q4 2021 | 497 | $23.6B |
| Q3 2021 | 476 | $23.0B |
| Q2 2021 | 440 | $18.9B |
| Q1 2021 | 415 | $15.8B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Avantor, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Dodge & Cox | 119,648,329 | $938.0M | 0.52% | +2,583,186+2.2% | Added |
| BlackRock, Inc. | 65,703,554 | $515.1M | 0.01% | +6,106,628+10.2% | Added |
| Vanguard Portfolio Management LLC | 31,275,847 | $245.2M | 0.01% | +31,275,847 | New |
| Vanguard Capital Management LLC | 30,606,112 | $240.0M | 0.01% | +30,606,112 | New |
| Wellington Management Group LLP | 24,224,156 | $189.9M | 0.04% | +787,520+3.4% | Added |
| Greenhaven Associates IncSuperinvestorGreenhaven Associates | 22,593,838 | $177.1M | 2.92% | +2,093,185+10.2% | Added |
| Barrow Hanley Mewhinney & Strauss LLC | 22,358,399 | $175.3M | 0.57% | −10,928,775−32.8% | Reduced |
| State Street Corp | 20,721,079 | $162.5M | 0.01% | +511,673+2.5% | Added |
| Engine Capital Management, LP | 19,780,830 | $155.1M | 18.72% | +7,853,018+65.8% | Added |
| Dimensional Fund Advisors LP | 16,894,649 | $132.4M | 0.03% | +2,288,053+15.7% | Added |
| T. Rowe Price Investment Management, Inc. | 14,786,678 | $115.9M | 0.08% | −17,345,165−54.0% | Reduced |
| New Mountain Capital, L.L.C. | 14,000,000 | $109.8M | 100.00% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 13,110,674 | $102.8M | 0.08% | +6,894,751+110.9% | Added |
| Geode Capital Management, LLC | 12,891,421 | $101.1M | 0.01% | +912,861+7.6% | Added |
| London Co of Virginia | 10,852,257 | $85.1M | 0.52% | −1,084,265−9.1% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 10,632,112 | $83.4M | 0.28% | +9,009,715+555.3% | Added |
| Clarkston Capital Partners, LLC | 8,629,389 | $67.7M | 5.16% | −6,475,676−42.9% | Reduced |
| First Pacific Advisors, LP | 8,089,023 | $63.4M | 0.89% | +4,120,403+103.8% | Added |
| Invesco Ltd. | 8,073,854 | $63.3M | 0.01% | −9,104,862−53.0% | Reduced |
| FMR LLC | 7,610,318 | $59.7M | 0.00% | −60,414−0.8% | Reduced |
| Bank of America Corp | 7,067,563 | $55.4M | 0.00% | +1,382,320+24.3% | Added |
| Morgan Stanley | 6,098,287 | $47.8M | 0.00% | −11,370,131−65.1% | Reduced |
| Earnest Partners LLC | 6,024,712 | $47.2M | 0.19% | −7,095−0.1% | Reduced |
| Northern Trust Corp | 5,458,656 | $42.8M | 0.01% | +149,202+2.8% | Added |
| Charles Schwab Investment Management Inc | 5,410,744 | $42.4M | 0.01% | +531,321+10.9% | Added |
| SEI Investments Co | 5,287,850 | $41.5M | 0.04% | +46,707+0.9% | Added |
| Jane Street Group, LLC | 4,966,462 | $38.9M | 0.04% | +1,134,645+29.6% | Added |
| Gendell Jeffrey L | 4,917,270 | $38.6M | 0.53% | +4,372,270+802.3% | Added |
| AQR Capital Management LLC | 4,867,208 | $37.7M | 0.02% | +475,611+10.8% | Added |
| Yacktman Asset Management LP | 4,745,000 | $37.2M | 0.50% | +4,745,000 | New |
| Voss Capital, LLC | 4,447,083 | $34.9M | 1.99% | +344,293+8.4% | Added |
| Bank of New York Mellon Corp | 4,418,987 | $34.6M | 0.01% | +1,0770.0% | Added |
| Brickwood Asset Management LLP | 4,337,012 | $34.0M | 25.52% | +1,152,969+36.2% | Added |
| Vanguard Fiduciary Trust Co | 4,227,746 | $33.1M | 0.01% | +4,227,746 | New |
| Robeco Schweiz AG | 4,189,536 | $32.8M | 0.69% | −3,091,425−42.5% | Reduced |
| Ameriprise Financial Inc | 4,115,694 | $32.3M | 0.01% | +489,998+13.5% | Added |
| Voya Investment Management LLC | 3,738,322 | $29.3M | 0.03% | −1,223,152−24.7% | Reduced |
| Goldman Sachs Group Inc | 3,714,275 | $29.1M | 0.00% | +2,780,355+297.7% | Added |
| UBS Group AG | 3,660,024 | $28.7M | 0.01% | −4,071,619−52.7% | Reduced |
| Southeastern Asset Management IncSuperinvestorSoutheastern Asset Management (Longleaf) | 3,520,212 | $27.6M | 1.36% | −28,306−0.8% | Reduced |
| Marshall Wace, LLP | 3,437,833 | $27.0M | 0.03% | +3,437,833 | New |
| Eversept Partners, LP | 2,974,287 | $23.3M | 1.54% | −202,357−6.4% | Reduced |
| Freestone Grove Partners LP | 2,791,157 | $21.9M | 0.16% | +207,151+8.0% | Added |
| Private Management Group Inc | 2,732,995 | $21.4M | 0.62% | +276,136+11.2% | Added |
| Prescott General Partners LLC | 2,600,000 | $20.4M | 1.49% | +2,600,000 | New |
| Natixis Advisors, L.P. | 2,541,675 | $19.9M | 0.03% | +419,852+19.8% | Added |
| Millennium Management LLC | 2,435,280 | $19.1M | 0.01% | −1,233,717−33.6% | Reduced |
| Tudor Investment Corp Et Al | 2,344,437 | $18.4M | 0.10% | +2,021,043+624.9% | Added |
| Jones Financial Companies LLLP | 2,330,767 | $17.3M | 0.01% | +2,329,658+210,068.3% | Added |
| UBS Asset Management Americas Inc | 2,146,729 | $16.8M | 0.00% | +54,103+2.6% | Added |
| Frontier Capital Management Co LLC | 2,024,010 | $15.9M | 0.16% | +212,001+11.7% | Added |
| Loews Corp | 2,000,000 | $15.7M | 0.13% | +1,000,000+100.0% | Added |
| Diamond Hill Capital Management Inc | 1,767,029 | $13.9M | 0.09% | +1,767,029 | New |
| Rhumbline Advisers | 1,658,438 | $13.0M | 0.01% | +1,674+0.1% | Added |
| New South Capital Management Inc | 1,563,307 | $12.3M | 0.59% | −248,580−13.7% | Reduced |
| Principal Financial Group Inc | 1,522,563 | $11.9M | 0.01% | +56,390+3.8% | Added |
| Royce & Associates LP | 1,463,622 | $11.5M | 0.11% | +1,423,182+3,519.2% | Added |
| Nuveen, LLC | 1,431,353 | $11.2M | 0.00% | −12,389−0.9% | Reduced |
| Swiss National Bank | 1,349,400 | $10.6M | 0.01% | +5,300+0.4% | Added |
| JPMorgan Chase & Co | 1,383,348 | $10.5M | 0.00% | +190,703+16.0% | Added |
| Gotham Asset Management, LLC | 1,328,179 | $10.4M | 0.03% | +965,823+266.5% | Added |
| Loomis Sayles & Co L P | 1,241,432 | $9.73M | 0.01% | +1,241,432 | New |
| Alliancebernstein L.P. | 847,621 | $9.71M | 0.00% | −9,892−1.2% | Reduced |
| Olstein Capital Management, L.P. | 1,210,000 | $9.49M | 2.07% | +392,000+47.9% | Added |
| Quantinno Capital Management LP | 1,169,147 | $9.17M | 0.02% | +762,288+187.4% | Added |
| California Public Employees Retirement System | 1,155,532 | $9.06M | 0.01% | +230,183+24.9% | Added |
| Kettle Hill Capital Management, LLC | 1,128,537 | $8.85M | 2.22% | +1,128,537 | New |
| Clearline Capital LP | 1,123,806 | $8.81M | 0.69% | +621,123+123.6% | Added |
| Manufacturers Life Insurance Company, The | 1,101,504 | $8.64M | 0.01% | −7,632,892−87.4% | Reduced |
| Taikang Asset Management (Hong Kong) Co Ltd | 1,018,891 | $7.99M | 0.79% | +532,326+109.4% | Added |
| Barclays PLC | 996,561 | $7.81M | 0.00% | +29,006+3.0% | Added |
| Raymond James Financial Inc | 950,437 | $7.45M | 0.00% | −346,831−26.7% | Reduced |
| TD Asset Management Inc | 930,600 | $7.30M | 0.01% | −1,361,488−59.4% | Reduced |
| Stanley Capital Management, LLC | 918,500 | $7.20M | 1.20% | 00.0% | Unchanged |
| Legal & General Group Plc | 906,624 | $7.11M | 0.00% | −92,639−9.3% | Reduced |
| Retirement Systems of Alabama | 836,164 | $6.56M | 0.02% | +17,877+2.2% | Added |
| Cerity Partners LLC | 825,924 | $6.48M | 0.01% | +815,851+8,099.4% | Added |
| Wells Fargo & Company | 815,002 | $6.39M | 0.00% | −541,214−39.9% | Reduced |
| Readystate Asset Management LP | 788,250 | $6.18M | 0.36% | −24,831−3.1% | Reduced |
| California State Teachers Retirement System | 785,799 | $6.16M | 0.01% | +145,045+22.6% | Added |
| Woodline Partners LP | 755,694 | $5.92M | 0.02% | +755,694 | New |
| Sector Gamma AS | 695,403 | $5.45M | 1.29% | 00.0% | Unchanged |
| CI Private Wealth, LLC | 637,530 | $4.99M | 0.01% | +12,907+2.1% | Added |
| Price T Rowe Associates Inc | 634,950 | $4.98M | 0.00% | +71,473+12.7% | Added |
| Algert Global LLC | 630,360 | $4.94M | 0.07% | +555,000+736.5% | Added |
| DekaBank Deutsche Girozentrale | 628,082 | $4.91M | 0.01% | 00.0% | Unchanged |
| Man Group plc | 611,110 | $4.79M | 0.01% | +611,110 | New |
| Qube Research & Technologies Ltd | 608,347 | $4.77M | 0.01% | +608,347 | New |
| Vanguard Asset Management, Ltd | 601,610 | $4.72M | 0.00% | +601,610 | New |
| Citadel Advisors LLC | 569,511 | $4.46M | 0.00% | −674,445−54.2% | Reduced |
| Vanguard Global Advisers, LLC | 568,132 | $4.45M | 0.00% | +568,132 | New |
| Twinbeech Capital LP | 567,389 | $4.45M | 0.46% | +567,389 | New |
| State Board of Administration of Florida Retirement System | 563,860 | $4.42M | 0.01% | −4,261−0.8% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 548,787 | $4.30M | 0.01% | +413,923+306.9% | Added |
| Shapiro Capital Management LLC | 536,275 | $4.20M | 0.26% | +536,275 | New |
| Amundi | 531,575 | $4.17M | 0.00% | +415,342+357.3% | Added |
| Weiss Asset Management LP | 527,903 | $4.14M | 0.08% | −227,493−30.1% | Reduced |
| State of Wisconsin Investment Board | 520,813 | $4.08M | 0.01% | +58,877+12.7% | Added |
| King Luther Capital Management Corp | 504,734 | $3.96M | 0.02% | +472,734+1,477.3% | Added |
| Commonwealth Equity Services, LLC | 464,653 | $3.64M | 0.01% | +225,430+94.2% | Added |