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 |
|---|---|---|---|---|---|
| Bellevue Group AG | 276,266 | $3.17M | 0.06% | +172,904+167.3% | Added |
| Treasurer of the State of North Carolina | 276,799 | $3.17M | 0.01% | −267,454−49.1% | Reduced |
| Broyhill Asset Management | 277,534 | $3.18M | 2.80% | −6,350−2.2% | Reduced |
| Mutual of America Capital Management LLC | 283,753 | $3.25M | 0.03% | −31,092−9.9% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 285,474 | $3.27M | 0.03% | −7,442−2.5% | Reduced |
| Royal Bank of Canada | 293,984 | $3.37M | 0.00% | −2,883,852−90.7% | Reduced |
| State of Tennessee, Treasury Department | 310,711 | $3.39M | 0.01% | −31,952−9.3% | Reduced |
| Comerica Bank | 296,375 | $3.40M | 0.01% | −127,981−30.2% | Reduced |
| Neo Ivy Capital Management | 299,042 | $3.43M | 0.54% | +61,628+26.0% | Added |
| Circumference Group LLC | 305,000 | $3.50M | 3.90% | +305,000 | New |
| Amalgamated Bank | 307,843 | $3.53M | 0.03% | −2,340−0.8% | Reduced |
| Janus Henderson Group PLC | 307,978 | $3.53M | 0.00% | +20,572+7.2% | Added |
| Tudor Investment Corp Et Al | 323,394 | $3.71M | 0.02% | +323,394 | New |
| MetLife Investment Management | 332,811 | $3.81M | 0.02% | −17,239−4.9% | Reduced |
| Agman Capital LLC | 341,605 | $3.91M | 3.33% | +341,605 | New |
| Edgestream Partners, L.P. | 343,367 | $3.93M | 0.11% | +204,789+147.8% | Added |
| Gotham Asset Management, LLC | 362,356 | $4.15M | 0.02% | −685,178−65.4% | Reduced |
| Advisors Capital Management, LLC | 365,922 | $4.19M | 0.05% | +9,082+2.5% | Added |
| New York State Common Retirement Fund | 376,803 | $4.32M | 0.01% | −45,011−10.7% | Reduced |
| New York State Teachers Retirement System | 383,415 | $4.39M | 0.01% | 00.0% | Unchanged |
| Great West Life Assurance Co | 386,383 | $4.43M | 0.01% | −43,818−10.2% | Reduced |
| SG Americas Securities, LLC | 401,969 | $4.61M | 0.01% | +272,093+209.5% | Added |
| Quantinno Capital Management LP | 406,859 | $4.66M | 0.01% | −126,720−23.7% | Reduced |
| Mackenzie Financial Corp | 412,455 | $4.72M | 0.01% | +380,236+1,180.2% | Added |
| Two Sigma Investments, LP | 412,713 | $4.73M | 0.01% | +129,831+45.9% | Added |
| Pacific Capital Partners Ltd | 424,520 | $4.86M | 5.17% | −80,638−16.0% | Reduced |
| Aquatic Capital Management LLC | 425,812 | $4.88M | 0.14% | +425,812 | New |
| Boston Partners | 433,421 | $4.97M | 0.01% | +433,421 | New |
| State of Wisconsin Investment Board | 461,936 | $5.29M | 0.01% | +3,824+0.8% | Added |
| Reinhart Partners, Inc. | 484,963 | $5.56M | 0.17% | −202,842−29.5% | Reduced |
| Taikang Asset Management (Hong Kong) Co Ltd | 486,565 | $5.58M | 0.55% | +171,679+54.5% | Added |
| Moore Capital Management, LP | 499,086 | $5.72M | 0.12% | +205,492+70.0% | Added |
| Clearline Capital LP | 502,683 | $5.76M | 0.43% | +502,683 | New |
| Capitolis Liquid Global Markets LLC | 505,000 | $5.79M | 0.03% | +505,000 | New |
| Gendell Jeffrey L | 545,000 | $6.25M | 0.11% | +545,000 | New |
| Price T Rowe Associates Inc | 563,477 | $6.46M | 0.00% | +26,022+4.8% | Added |
| State Board of Administration of Florida Retirement System | 568,121 | $6.51M | 0.01% | −37,035−6.1% | Reduced |
| Thornburg Investment Management Inc | 576,959 | $6.61M | 0.08% | +131,186+29.4% | Added |
| Verition Fund Management LLC | 581,330 | $6.66M | 0.04% | +218,939+60.4% | Added |
| CI Private Wealth, LLC | 624,623 | $7.16M | 0.01% | −2,881,330−82.2% | Reduced |
| California State Teachers Retirement System | 640,754 | $7.34M | 0.01% | −584−0.1% | Reduced |
| Envestnet Asset Management Inc | 657,980 | $7.54M | 0.00% | −231,356−26.0% | Reduced |
| Sector Gamma AS | 695,403 | $7.97M | 1.82% | +218,299+45.8% | Added |
| Lightrock Netherlands B.V. | 267,468 | $8.59M | 1.82% | −287,912−51.8% | Reduced |
| Weiss Asset Management LP | 755,396 | $8.66M | 0.12% | +204,788+37.2% | Added |
| Readystate Asset Management LP | 813,081 | $9.32M | 0.41% | +738,890+995.9% | Added |
| Olstein Capital Management, L.P. | 818,000 | $9.37M | 1.92% | +24,000+3.0% | Added |
| Retirement Systems of Alabama | 818,287 | $9.38M | 0.03% | −5,977−0.7% | Reduced |
| Alliancebernstein L.P. | 857,513 | $9.83M | 0.00% | −1,012−0.1% | Reduced |
| Prosight Management, LP | 898,499 | $10.3M | 2.13% | +898,499 | New |
| Stanley Capital Management, LLC | 918,500 | $10.5M | 1.76% | −400,000−30.3% | Reduced |
| California Public Employees Retirement System | 925,349 | $10.6M | 0.01% | −9,172−1.0% | Reduced |
| Goldman Sachs Group Inc | 933,920 | $10.7M | 0.00% | −911,384−49.4% | Reduced |
| Westwood Holdings Group Inc. | 949,003 | $10.9M | 0.09% | +949,003 | New |
| Barclays PLC | 967,555 | $11.1M | 0.00% | −149,603−13.4% | Reduced |
| Walleye Capital LLC | 991,436 | $11.4M | 0.06% | −37,792−3.7% | Reduced |
| Legal & General Group Plc | 999,263 | $11.5M | 0.00% | −138,227−12.2% | Reduced |
| Loews Corp | 1,000,000 | $11.5M | 0.09% | −400,000−28.6% | Reduced |
| Alberta Investment Management Corp | 1,111,144 | $12.7M | 0.08% | +1,111,144 | New |
| JPMorgan Chase & Co | 1,192,645 | $13.7M | 0.00% | −613,867−34.0% | Reduced |
| Citadel Advisors LLC | 1,243,956 | $14.3M | 0.01% | −6,728,978−84.4% | Reduced |
| Raymond James Financial Inc | 1,297,268 | $14.9M | 0.00% | −520,760−28.6% | Reduced |
| Swiss National Bank | 1,344,100 | $15.4M | 0.01% | +23,500+1.8% | Added |
| Wells Fargo & Company | 1,356,216 | $15.5M | 0.00% | −390,467−22.4% | Reduced |
| Nuveen, LLC | 1,443,742 | $16.5M | 0.00% | +518,445+56.0% | Added |
| DekaBank Deutsche Girozentrale | 628,082 | $16.6M | 0.03% | 00.0% | Unchanged |
| Principal Financial Group Inc | 1,466,173 | $16.8M | 0.01% | −47,244−3.1% | Reduced |
| Silvercrest Asset Management Group LLC | 1,572,722 | $18.0M | 0.12% | −1,507,360−48.9% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 1,622,397 | $18.6M | 0.06% | +1,622,397 | New |
| Rhumbline Advisers | 1,656,764 | $19.0M | 0.02% | −77,877−4.5% | Reduced |
| Zuckerman Investment Group, LLC | 1,749,569 | $20.1M | 1.79% | +26,047+1.5% | Added |
| New South Capital Management Inc | 1,811,887 | $20.8M | 0.96% | −18,239−1.0% | Reduced |
| Frontier Capital Management Co LLC | 1,812,009 | $20.8M | 0.22% | −732,132−28.8% | Reduced |
| Perpetual Ltd | 1,832,066 | $21.0M | 0.30% | +28,336+1.6% | Added |
| Citigroup Inc | 2,001,522 | $22.9M | 0.02% | −1,070,612−34.8% | Reduced |
| UBS Asset Management Americas Inc | 2,092,626 | $24.0M | 0.01% | −288,366−12.1% | Reduced |
| First Trust Advisors LP | 2,114,915 | $24.2M | 0.02% | −579,875−21.5% | Reduced |
| Natixis Advisors, L.P. | 2,121,823 | $24.3M | 0.03% | +214,746+11.3% | Added |
| TD Asset Management Inc | 2,292,088 | $26.3M | 0.02% | −170,996−6.9% | Reduced |
| Private Management Group Inc | 2,456,859 | $28.2M | 0.82% | +823,572+50.4% | Added |
| Freestone Grove Partners LP | 2,584,006 | $29.6M | 0.21% | +2,584,006 | New |
| Eversept Partners, LP | 3,176,644 | $36.4M | 2.04% | +2,252,202+243.6% | Added |
| Brickwood Asset Management LLP | 3,184,043 | $36.5M | 25.39% | +3,138,504+6,891.9% | Added |
| Southeastern Asset Management IncSuperinvestorSoutheastern Asset Management (Longleaf) | 3,548,518 | $40.7M | 1.81% | −1,600,902−31.1% | Reduced |
| Assenagon Asset Management S.A. | 3,620,455 | $41.5M | 0.06% | +3,620,455 | New |
| Ameriprise Financial Inc | 3,625,696 | $41.6M | 0.01% | +2,125,925+141.7% | Added |
| Millennium Management LLC | 3,668,997 | $42.0M | 0.03% | +966,487+35.8% | Added |
| Jane Street Group, LLC | 3,831,817 | $43.9M | 0.05% | +3,800,806+12,256.3% | Added |
| First Pacific Advisors, LP | 3,968,620 | $45.5M | 0.60% | −102,358−2.5% | Reduced |
| Voss Capital, LLC | 4,102,790 | $47.0M | 2.50% | −422,210−9.3% | Reduced |
| AQR Capital Management LLC | 4,391,597 | $50.3M | 0.03% | +3,182,434+263.2% | Added |
| Bank of New York Mellon Corp | 4,417,910 | $50.6M | 0.01% | +93,202+2.2% | Added |
| Charles Schwab Investment Management Inc | 4,879,423 | $55.9M | 0.01% | +151,144+3.2% | Added |
| Voya Investment Management LLC | 4,961,474 | $56.9M | 0.06% | −6,066−0.1% | Reduced |
| SEI Investments Co | 5,241,143 | $60.1M | 0.06% | +677,675+14.9% | Added |
| Northern Trust Corp | 5,309,454 | $60.8M | 0.01% | −251,563−4.5% | Reduced |
| Bank of America Corp | 5,685,243 | $65.2M | 0.00% | −1,283,900−18.4% | Reduced |
| Earnest Partners LLC | 6,031,807 | $69.1M | 0.30% | −164,905−2.7% | Reduced |
| D. E. Shaw & Co., Inc. | 6,215,923 | $71.2M | 0.05% | +4,835,148+350.2% | Added |
| Norges Bank | 6,398,087 | $73.3M | 0.01% | +6,398,087 | New |