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, Q4 2025
Institutional positions in Avantor, Inc. as of Dec 31, 2025. 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
- 421
- −37 vs. Q3 2025
- Shares held
- 694.1M
- +17.9M (+2.6%) vs. Q3 2025
- Total value
- $7.97B
- −$465.4M (−5.5%) vs. Q3 2025
- New holders
- 65
- 116 more added
- Sold out
- 102
- 193 more reduced
8 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Avantor, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Dodge & Cox | 117,065,143 | $1.34B | 0.72% | −681,745−0.6% | Reduced |
| Vanguard Group Inc | 64,904,889 | $743.8M | 0.01% | −1,084,088−1.6% | Reduced |
| BlackRock, Inc. | 59,596,926 | $683.0M | 0.01% | −1,120,061−1.8% | Reduced |
| Barrow Hanley Mewhinney & Strauss LLC | 33,287,174 | $381.5M | 1.27% | −1,260,955−3.6% | Reduced |
| T. Rowe Price Investment Management, Inc. | 32,131,843 | $368.2M | 0.23% | −795,852−2.4% | Reduced |
| Wellington Management Group LLP | 23,436,636 | $268.6M | 0.05% | +23,436,636 | New |
| Greenhaven Associates IncSuperinvestorGreenhaven Associates | 20,500,653 | $234.9M | 3.81% | +2,189,083+12.0% | Added |
| State Street Corp | 20,209,406 | $231.6M | 0.01% | −156,364−0.8% | Reduced |
| Morgan Stanley | 17,468,418 | $200.2M | 0.01% | +11,216,565+179.4% | Added |
| Invesco Ltd. | 17,178,716 | $196.9M | 0.02% | +1,125,348+7.0% | Added |
| Clarkston Capital Partners, LLC | 15,105,065 | $173.1M | 4.01% | +84,740+0.6% | Added |
| Dimensional Fund Advisors LP | 14,606,596 | $167.4M | 0.04% | +1,222,850+9.1% | Added |
| New Mountain Capital, L.L.C. | 14,000,000 | $160.4M | 100.00% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 11,978,560 | $137.3M | 0.01% | −317,126−2.6% | Reduced |
| London Co of Virginia | 11,936,522 | $136.8M | 0.79% | −857,435−6.7% | Reduced |
| Engine Capital Management, LP | 11,927,812 | $136.7M | 18.87% | −7,792,618−39.5% | Reduced |
| Manufacturers Life Insurance Company, The | 8,734,396 | $100.1M | 0.08% | −3,271,856−27.3% | Reduced |
| UBS Group AG | 7,731,643 | $88.6M | 0.02% | +3,573,739+86.0% | Added |
| FMR LLC | 7,670,732 | $87.9M | 0.00% | +48,902+0.6% | Added |
| Robeco Schweiz AG | 7,280,961 | $83.4M | 1.87% | −639,216−8.1% | Reduced |
| Massachusetts Financial Services Co | 7,214,408 | $82.7M | 0.03% | −287,678−3.8% | Reduced |
| Norges Bank | 6,398,087 | $73.3M | 0.01% | +6,398,087 | New |
| D. E. Shaw & Co., Inc. | 6,215,923 | $71.2M | 0.05% | +4,835,148+350.2% | Added |
| Earnest Partners LLC | 6,031,807 | $69.1M | 0.30% | −164,905−2.7% | Reduced |
| Bank of America Corp | 5,685,243 | $65.2M | 0.00% | −1,283,900−18.4% | Reduced |
| Northern Trust Corp | 5,309,454 | $60.8M | 0.01% | −251,563−4.5% | Reduced |
| SEI Investments Co | 5,241,143 | $60.1M | 0.06% | +677,675+14.9% | Added |
| Voya Investment Management LLC | 4,961,474 | $56.9M | 0.06% | −6,066−0.1% | Reduced |
| Charles Schwab Investment Management Inc | 4,879,423 | $55.9M | 0.01% | +151,144+3.2% | Added |
| Bank of New York Mellon Corp | 4,417,910 | $50.6M | 0.01% | +93,202+2.2% | Added |
| AQR Capital Management LLC | 4,391,597 | $50.3M | 0.03% | +3,182,434+263.2% | Added |
| Voss Capital, LLC | 4,102,790 | $47.0M | 2.50% | −422,210−9.3% | Reduced |
| First Pacific Advisors, LP | 3,968,620 | $45.5M | 0.60% | −102,358−2.5% | Reduced |
| Jane Street Group, LLC | 3,831,817 | $43.9M | 0.05% | +3,800,806+12,256.3% | Added |
| Millennium Management LLC | 3,668,997 | $42.0M | 0.03% | +966,487+35.8% | Added |
| Ameriprise Financial Inc | 3,625,696 | $41.6M | 0.01% | +2,125,925+141.7% | Added |
| Assenagon Asset Management S.A. | 3,620,455 | $41.5M | 0.06% | +3,620,455 | New |
| Southeastern Asset Management IncSuperinvestorSoutheastern Asset Management (Longleaf) | 3,548,518 | $40.7M | 1.81% | −1,600,902−31.1% | Reduced |
| Brickwood Asset Management LLP | 3,184,043 | $36.5M | 25.39% | +3,138,504+6,891.9% | Added |
| Eversept Partners, LP | 3,176,644 | $36.4M | 2.04% | +2,252,202+243.6% | Added |
| Freestone Grove Partners LP | 2,584,006 | $29.6M | 0.21% | +2,584,006 | New |
| Private Management Group Inc | 2,456,859 | $28.2M | 0.82% | +823,572+50.4% | Added |
| TD Asset Management Inc | 2,292,088 | $26.3M | 0.02% | −170,996−6.9% | Reduced |
| Natixis Advisors, L.P. | 2,121,823 | $24.3M | 0.03% | +214,746+11.3% | Added |
| First Trust Advisors LP | 2,114,915 | $24.2M | 0.02% | −579,875−21.5% | Reduced |
| UBS Asset Management Americas Inc | 2,092,626 | $24.0M | 0.01% | −288,366−12.1% | Reduced |
| Citigroup Inc | 2,001,522 | $22.9M | 0.02% | −1,070,612−34.8% | Reduced |
| Perpetual Ltd | 1,832,066 | $21.0M | 0.30% | +28,336+1.6% | Added |
| Frontier Capital Management Co LLC | 1,812,009 | $20.8M | 0.22% | −732,132−28.8% | Reduced |
| New South Capital Management Inc | 1,811,887 | $20.8M | 0.96% | −18,239−1.0% | Reduced |
| Zuckerman Investment Group, LLC | 1,749,569 | $20.1M | 1.79% | +26,047+1.5% | Added |
| Rhumbline Advisers | 1,656,764 | $19.0M | 0.02% | −77,877−4.5% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 1,622,397 | $18.6M | 0.06% | +1,622,397 | New |
| Silvercrest Asset Management Group LLC | 1,572,722 | $18.0M | 0.12% | −1,507,360−48.9% | Reduced |
| Principal Financial Group Inc | 1,466,173 | $16.8M | 0.01% | −47,244−3.1% | Reduced |
| DekaBank Deutsche Girozentrale | 628,082 | $16.6M | 0.03% | 00.0% | Unchanged |
| Nuveen, LLC | 1,443,742 | $16.5M | 0.00% | +518,445+56.0% | Added |
| Wells Fargo & Company | 1,356,216 | $15.5M | 0.00% | −390,467−22.4% | Reduced |
| Swiss National Bank | 1,344,100 | $15.4M | 0.01% | +23,500+1.8% | Added |
| Raymond James Financial Inc | 1,297,268 | $14.9M | 0.00% | −520,760−28.6% | Reduced |
| Citadel Advisors LLC | 1,243,956 | $14.3M | 0.01% | −6,728,978−84.4% | Reduced |
| JPMorgan Chase & Co | 1,192,645 | $13.7M | 0.00% | −613,867−34.0% | Reduced |
| Alberta Investment Management Corp | 1,111,144 | $12.7M | 0.08% | +1,111,144 | New |
| Loews Corp | 1,000,000 | $11.5M | 0.09% | −400,000−28.6% | Reduced |
| Legal & General Group Plc | 999,263 | $11.5M | 0.00% | −138,227−12.2% | Reduced |
| Walleye Capital LLC | 991,436 | $11.4M | 0.06% | −37,792−3.7% | Reduced |
| Barclays PLC | 967,555 | $11.1M | 0.00% | −149,603−13.4% | Reduced |
| Westwood Holdings Group Inc. | 949,003 | $10.9M | 0.09% | +949,003 | New |
| Goldman Sachs Group Inc | 933,920 | $10.7M | 0.00% | −911,384−49.4% | Reduced |
| California Public Employees Retirement System | 925,349 | $10.6M | 0.01% | −9,172−1.0% | Reduced |
| Stanley Capital Management, LLC | 918,500 | $10.5M | 1.76% | −400,000−30.3% | Reduced |
| Prosight Management, LP | 898,499 | $10.3M | 2.13% | +898,499 | New |
| Alliancebernstein L.P. | 857,513 | $9.83M | 0.00% | −1,012−0.1% | Reduced |
| Retirement Systems of Alabama | 818,287 | $9.38M | 0.03% | −5,977−0.7% | Reduced |
| Olstein Capital Management, L.P. | 818,000 | $9.37M | 1.92% | +24,000+3.0% | Added |
| Readystate Asset Management LP | 813,081 | $9.32M | 0.41% | +738,890+995.9% | Added |
| Weiss Asset Management LP | 755,396 | $8.66M | 0.12% | +204,788+37.2% | Added |
| Lightrock Netherlands B.V. | 267,468 | $8.59M | 1.82% | −287,912−51.8% | Reduced |
| Sector Gamma AS | 695,403 | $7.97M | 1.82% | +218,299+45.8% | Added |
| Envestnet Asset Management Inc | 657,980 | $7.54M | 0.00% | −231,356−26.0% | Reduced |
| California State Teachers Retirement System | 640,754 | $7.34M | 0.01% | −584−0.1% | Reduced |
| CI Private Wealth, LLC | 624,623 | $7.16M | 0.01% | −2,881,330−82.2% | Reduced |
| Verition Fund Management LLC | 581,330 | $6.66M | 0.04% | +218,939+60.4% | Added |
| Thornburg Investment Management Inc | 576,959 | $6.61M | 0.08% | +131,186+29.4% | Added |
| State Board of Administration of Florida Retirement System | 568,121 | $6.51M | 0.01% | −37,035−6.1% | Reduced |
| Price T Rowe Associates Inc | 563,477 | $6.46M | 0.00% | +26,022+4.8% | Added |
| Gendell Jeffrey L | 545,000 | $6.25M | 0.11% | +545,000 | New |
| Capitolis Liquid Global Markets LLC | 505,000 | $5.79M | 0.03% | +505,000 | New |
| Clearline Capital LP | 502,683 | $5.76M | 0.43% | +502,683 | New |
| Moore Capital Management, LP | 499,086 | $5.72M | 0.12% | +205,492+70.0% | Added |
| Taikang Asset Management (Hong Kong) Co Ltd | 486,565 | $5.58M | 0.55% | +171,679+54.5% | Added |
| Reinhart Partners, Inc. | 484,963 | $5.56M | 0.17% | −202,842−29.5% | Reduced |
| State of Wisconsin Investment Board | 461,936 | $5.29M | 0.01% | +3,824+0.8% | Added |
| Boston Partners | 433,421 | $4.97M | 0.01% | +433,421 | New |
| Aquatic Capital Management LLC | 425,812 | $4.88M | 0.14% | +425,812 | New |
| Pacific Capital Partners Ltd | 424,520 | $4.86M | 5.17% | −80,638−16.0% | Reduced |
| Two Sigma Investments, LP | 412,713 | $4.73M | 0.01% | +129,831+45.9% | Added |
| Mackenzie Financial Corp | 412,455 | $4.72M | 0.01% | +380,236+1,180.2% | Added |
| Quantinno Capital Management LP | 406,859 | $4.66M | 0.01% | −126,720−23.7% | Reduced |
| SG Americas Securities, LLC | 401,969 | $4.61M | 0.01% | +272,093+209.5% | Added |