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 |
|---|---|---|---|---|---|
| Bank of New York Mellon Corp | 4,418,987 | $34.6M | 0.01% | +1,0770.0% | Added |
| Voss Capital, LLC | 4,447,083 | $34.9M | 1.99% | +344,293+8.4% | Added |
| Yacktman Asset Management LP | 4,745,000 | $37.2M | 0.50% | +4,745,000 | New |
| AQR Capital Management LLC | 4,867,208 | $37.7M | 0.02% | +475,611+10.8% | Added |
| Gendell Jeffrey L | 4,917,270 | $38.6M | 0.53% | +4,372,270+802.3% | Added |
| Jane Street Group, LLC | 4,966,462 | $38.9M | 0.04% | +1,134,645+29.6% | Added |
| SEI Investments Co | 5,287,850 | $41.5M | 0.04% | +46,707+0.9% | Added |
| Charles Schwab Investment Management Inc | 5,410,744 | $42.4M | 0.01% | +531,321+10.9% | Added |
| Northern Trust Corp | 5,458,656 | $42.8M | 0.01% | +149,202+2.8% | Added |
| Earnest Partners LLC | 6,024,712 | $47.2M | 0.19% | −7,095−0.1% | Reduced |
| Morgan Stanley | 6,098,287 | $47.8M | 0.00% | −11,370,131−65.1% | Reduced |
| Bank of America Corp | 7,067,563 | $55.4M | 0.00% | +1,382,320+24.3% | Added |
| FMR LLC | 7,610,318 | $59.7M | 0.00% | −60,414−0.8% | Reduced |
| Invesco Ltd. | 8,073,854 | $63.3M | 0.01% | −9,104,862−53.0% | Reduced |
| First Pacific Advisors, LP | 8,089,023 | $63.4M | 0.89% | +4,120,403+103.8% | Added |
| Clarkston Capital Partners, LLC | 8,629,389 | $67.7M | 5.16% | −6,475,676−42.9% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 10,632,112 | $83.4M | 0.28% | +9,009,715+555.3% | Added |
| London Co of Virginia | 10,852,257 | $85.1M | 0.52% | −1,084,265−9.1% | Reduced |
| Geode Capital Management, LLC | 12,891,421 | $101.1M | 0.01% | +912,861+7.6% | Added |
| D. E. Shaw & Co., Inc. | 13,110,674 | $102.8M | 0.08% | +6,894,751+110.9% | Added |
| New Mountain Capital, L.L.C. | 14,000,000 | $109.8M | 100.00% | 00.0% | Unchanged |
| T. Rowe Price Investment Management, Inc. | 14,786,678 | $115.9M | 0.08% | −17,345,165−54.0% | Reduced |
| Dimensional Fund Advisors LP | 16,894,649 | $132.4M | 0.03% | +2,288,053+15.7% | Added |
| Engine Capital Management, LP | 19,780,830 | $155.1M | 18.72% | +7,853,018+65.8% | Added |
| State Street Corp | 20,721,079 | $162.5M | 0.01% | +511,673+2.5% | Added |
| Barrow Hanley Mewhinney & Strauss LLC | 22,358,399 | $175.3M | 0.57% | −10,928,775−32.8% | Reduced |
| Greenhaven Associates IncSuperinvestorGreenhaven Associates | 22,593,838 | $177.1M | 2.92% | +2,093,185+10.2% | Added |
| Wellington Management Group LLP | 24,224,156 | $189.9M | 0.04% | +787,520+3.4% | Added |
| Vanguard Capital Management LLC | 30,606,112 | $240.0M | 0.01% | +30,606,112 | New |
| Vanguard Portfolio Management LLC | 31,275,847 | $245.2M | 0.01% | +31,275,847 | New |
| BlackRock, Inc. | 65,703,554 | $515.1M | 0.01% | +6,106,628+10.2% | Added |
| Dodge & Cox | 119,648,329 | $938.0M | 0.52% | +2,583,186+2.2% | Added |
| Lightrock Netherlands B.V. | 328,626 | – | – | +61,158+22.9% | Added |
| Alberta Investment Management Corp | 0 | $0 | 0.00% | −1,111,144−100.0% | Sold out |
| Westwood Holdings Group Inc. | 0 | $0 | 0.00% | −949,003−100.0% | Sold out |
| Prosight Management, LP | 0 | $0 | 0.00% | −898,499−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −581,330−100.0% | Sold out |
| Thornburg Investment Management Inc | 0 | $0 | 0.00% | −576,959−100.0% | Sold out |
| Reinhart Partners, Inc. | 0 | $0 | 0.00% | −484,963−100.0% | Sold out |
| Boston Partners | 0 | $0 | 0.00% | −433,421−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −425,812−100.0% | Sold out |
| Pacific Capital Partners Ltd | 0 | $0 | 0.00% | −424,520−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −412,713−100.0% | Sold out |
| Circumference Group LLC | 0 | $0 | 0.00% | −305,000−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −299,042−100.0% | Sold out |
| Broyhill Asset Management | 0 | $0 | 0.00% | −277,534−100.0% | Sold out |
| Bellevue Group AG | 0 | $0 | 0.00% | −276,266−100.0% | Sold out |
| CenterBook Partners LP | 0 | $0 | 0.00% | −231,253−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −210,598−100.0% | Sold out |
| AMG National Trust Bank | 0 | $0 | 0.00% | −138,313−100.0% | Sold out |
| Qsemble Capital Management, LP | 0 | $0 | 0.00% | −115,553−100.0% | Sold out |
| Twin Tree Management, LP | 0 | $0 | 0.00% | −93,341−100.0% | Sold out |
| B. Metzler seel. Sohn & Co. AG | 0 | $0 | 0.00% | −75,829−100.0% | Sold out |
| Vontobel Holding Ltd. | 0 | $0 | 0.00% | −70,135−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −63,754−100.0% | Sold out |
| AIA Group Ltd | 0 | $0 | 0.00% | −56,756−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −56,178−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −51,789−100.0% | Sold out |
| Brown Brothers Harriman & Co | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Burns Matteson Capital Management, LLC | 0 | $0 | 0.00% | −46,407−100.0% | Sold out |
| Ethic Inc. | 0 | $0 | 0.00% | −41,571−100.0% | Sold out |
| Legacy Wealth Asset Management, LLC | 0 | $0 | 0.00% | −37,081−100.0% | Sold out |
| Pekin Hardy Strauss, Inc. | 0 | $0 | 0.00% | −37,000−100.0% | Sold out |
| Dynamic Advisor Solutions LLC | 0 | $0 | 0.00% | −34,796−100.0% | Sold out |
| MML Investors Services, LLC | 0 | $0 | 0.00% | −27,790−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| Atria Investments LLC | 0 | $0 | 0.00% | −21,275−100.0% | Sold out |
| Veracity Capital LLC | 0 | $0 | 0.00% | −20,462−100.0% | Sold out |
| Hunting Hill Global Capital, LLC | 0 | $0 | 0.00% | −20,387−100.0% | Sold out |
| Fieldview Capital Management, LLC | 0 | $0 | 0.00% | −18,546−100.0% | Sold out |
| Alpine Global Management, LLC | 0 | $0 | 0.00% | −18,448−100.0% | Sold out |
| Citizens Financial Group Inc | 0 | $0 | 0.00% | −18,055−100.0% | Sold out |
| Gateway Investment Advisers LLC | 0 | $0 | 0.00% | −15,065−100.0% | Sold out |
| Archer Investment Corp | 0 | $0 | 0.00% | −13,047−100.0% | Sold out |
| Private Advisor Group, LLC | 0 | $0 | 0.00% | −11,981−100.0% | Sold out |
| Rafferty Asset Management, LLC | 0 | $0 | 0.00% | −11,458−100.0% | Sold out |
| Transcend Wealth Collective, LLC | 0 | $0 | 0.00% | −10,649−100.0% | Sold out |
| Portside Wealth Group, LLC | 0 | $0 | 0.00% | −10,213−100.0% | Sold out |
| Castleview Partners, LLC | 0 | $0 | 0.00% | −10,199−100.0% | Sold out |
| Wexford Capital LP | 0 | $0 | 0.00% | −8,953−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −6,550−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −6,051−100.0% | Sold out |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 0 | $0 | 0.00% | −5,040−100.0% | Sold out |
| PEAK6 LLC | 0 | $0 | 0.00% | −2,697−100.0% | Sold out |
| DV Trading LLC | 0 | $0 | 0.00% | −1,601−100.0% | Sold out |
| Fideuram Asset Management (Ireland) dac | 0 | $0 | 0.00% | −580−100.0% | Sold out |
| CoreCap Advisors, LLC | 0 | $0 | 0.00% | −781−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −429−100.0% | Sold out |
| Ancora Advisors, LLC | 0 | $0 | 0.00% | −385−100.0% | Sold out |
| Elyxium Wealth, LLC | 0 | $0 | 0.00% | −363−100.0% | Sold out |
| High Note Wealth, LLC | 0 | $0 | 0.00% | −354−100.0% | Sold out |
| Ameriflex Group, Inc. | 0 | $0 | 0.00% | −301−100.0% | Sold out |
| Basecamp Wealth Advisors LLC | 0 | $0 | 0.00% | −205−100.0% | Sold out |
| Cornerstone Financial Management LLC | 0 | $0 | 0.00% | −166−100.0% | Sold out |
| Cromwell Holdings LLC | 0 | $0 | 0.00% | −113−100.0% | Sold out |
| Atlantic Edge Private Wealth Management, LLC | 0 | $0 | 0.00% | −63−100.0% | Sold out |
| Motco | 0 | $0 | 0.00% | −55−100.0% | Sold out |
| Fortitude Family Office, LLC | 0 | $0 | 0.00% | −46−100.0% | Sold out |
| Financial Consulate, Inc | 0 | $0 | 0.00% | −34−100.0% | Sold out |