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, Q2 2026
Institutional positions in Avantor, Inc. as of Jun 30, 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
- 460
- +33 vs. Q1 2026
- Shares held
- 699.2M
- +23.9M (+3.5%) vs. Q1 2026
- Total value
- $6.92B
- +$1.62B (+30.7%) vs. Q1 2026
- New holders
- 99
- 190 more added
- Sold out
- 66
- 111 more reduced
6 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Avantor, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Robeco Schweiz AG | 1,465,796 | $14.5M | 0.23% | −2,723,740−65.0% | Reduced |
| New South Capital Management Inc | 1,472,617 | $14.6M | 0.64% | −90,690−5.8% | Reduced |
| Loomis Sayles & Co L P | 1,473,525 | $14.6M | 0.02% | +232,093+18.7% | Added |
| Voya Investment Management LLC | 1,475,242 | $14.6M | 0.01% | −2,263,080−60.5% | Reduced |
| Principal Financial Group Inc | 1,549,887 | $15.3M | 0.01% | +27,324+1.8% | Added |
| Rhumbline Advisers | 1,668,123 | $16.5M | 0.01% | +9,685+0.6% | Added |
| Shapiro Capital Management LLC | 1,672,410 | $16.6M | 1.00% | +1,136,135+211.9% | Added |
| CI Private Wealth, LLC | 1,760,605 | $17.4M | 0.02% | +1,123,075+176.2% | Added |
| Kettle Hill Capital Management, LLC | 1,860,954 | $18.4M | 4.53% | +732,417+64.9% | Added |
| UBS Asset Management Americas Inc | 2,027,738 | $20.1M | 0.00% | −118,991−5.5% | Reduced |
| Western Standard LLC | 2,109,984 | $20.9M | 7.07% | +2,109,984 | New |
| Loews Corp | 2,200,000 | $21.8M | 0.17% | +200,000+10.0% | Added |
| Quantinno Capital Management LP | 2,442,138 | $24.2M | 0.03% | +1,272,991+108.9% | Added |
| Gotham Asset Management, LLC | 2,516,444 | $24.9M | 0.06% | +1,188,265+89.5% | Added |
| Prescott General Partners LLC | 2,600,000 | $25.7M | 1.32% | 00.0% | Unchanged |
| Voss Capital, LLC | 2,650,000 | $26.2M | 1.31% | −1,797,083−40.4% | Reduced |
| Private Management Group Inc | 3,097,234 | $30.7M | 0.81% | +364,239+13.3% | Added |
| Frontier Capital Management Co LLC | 3,506,970 | $34.7M | 0.32% | +1,482,960+73.3% | Added |
| Royce & Associates LP | 3,676,084 | $36.4M | 0.29% | +2,212,462+151.2% | Added |
| Bank of New York Mellon Corp | 4,121,222 | $40.8M | 0.01% | −297,765−6.7% | Reduced |
| Jones Financial Companies LLLP | 4,120,981 | $42.4M | 0.02% | +1,790,214+76.8% | Added |
| Vanguard Fiduciary Trust Co | 4,322,245 | $42.8M | 0.01% | +94,499+2.2% | Added |
| Brickwood Asset Management LLP | 4,597,519 | $45.5M | 32.70% | +260,507+6.0% | Added |
| Southeastern Asset Management IncSuperinvestorSoutheastern Asset Management (Longleaf) | 4,725,478 | $46.8M | 2.44% | +1,205,266+34.2% | Added |
| Yacktman Asset Management LP | 4,770,000 | $47.2M | 0.58% | +25,000+0.5% | Added |
| Natixis Advisors, L.P. | 4,946,488 | $49.0M | 0.06% | +2,404,813+94.6% | Added |
| Ameriprise Financial Inc | 5,524,942 | $54.7M | 0.01% | +1,409,248+34.2% | Added |
| UBS Group AG | 5,672,297 | $56.2M | 0.01% | +2,012,273+55.0% | Added |
| Freestone Grove Partners LP | 5,714,884 | $56.6M | 0.37% | +2,923,727+104.7% | Added |
| Northern Trust Corp | 5,732,678 | $56.8M | 0.01% | +274,022+5.0% | Added |
| Charles Schwab Investment Management Inc | 5,821,005 | $57.6M | 0.01% | +410,261+7.6% | Added |
| Norges Bank | 6,091,712 | $60.3M | 0.01% | +6,091,712 | New |
| Goldman Sachs Group Inc | 6,204,341 | $61.4M | 0.01% | +2,490,066+67.0% | Added |
| Morgan Stanley | 6,758,161 | $66.9M | 0.00% | +659,874+10.8% | Added |
| Clarkston Capital Partners, LLC | 6,789,314 | $67.2M | 5.68% | −1,840,075−21.3% | Reduced |
| Vaughan Nelson Investment Management, L.P. | 7,392,825 | $73.2M | 0.65% | +7,392,825 | New |
| Gendell Jeffrey L | 7,607,270 | $75.3M | 0.68% | +2,690,000+54.7% | Added |
| FMR LLC | 7,845,462 | $77.7M | 0.00% | +235,144+3.1% | Added |
| SEI Investments Co | 7,947,198 | $78.7M | 0.07% | +2,659,348+50.3% | Added |
| First Pacific Advisors, LP | 8,190,740 | $81.1M | 1.00% | +101,717+1.3% | Added |
| D. E. Shaw & Co., Inc. | 9,571,523 | $94.8M | 0.06% | −3,539,151−27.0% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 10,256,345 | $101.5M | 0.28% | −375,767−3.5% | Reduced |
| London Co of Virginia | 10,485,960 | $103.8M | 0.59% | −366,297−3.4% | Reduced |
| Earnest Partners LLC | 10,748,525 | $106.4M | 0.38% | +4,723,813+78.4% | Added |
| Bank of America Corp | 10,989,344 | $108.8M | 0.01% | +3,921,781+55.5% | Added |
| AQR Capital Management LLC | 11,627,566 | $115.1M | 0.04% | +6,760,358+138.9% | Added |
| Marshall Wace, LLP | 13,130,158 | $130.0M | 0.11% | +9,692,325+281.9% | Added |
| Geode Capital Management, LLC | 13,180,567 | $130.5M | 0.01% | +289,146+2.2% | Added |
| Invesco Ltd. | 13,885,360 | $137.5M | 0.01% | +5,811,506+72.0% | Added |
| New Mountain Capital, L.L.C. | 14,000,000 | $138.6M | 100.00% | 00.0% | Unchanged |
| Barrow Hanley Mewhinney & Strauss LLC | 19,735,968 | $195.4M | 0.59% | −2,622,431−11.7% | Reduced |
| Engine Capital Management, LP | 19,860,830 | $196.6M | 19.13% | +80,000+0.4% | Added |
| Dimensional Fund Advisors LP | 20,412,181 | $202.1M | 0.04% | +3,517,532+20.8% | Added |
| State Street Corp | 21,572,974 | $213.6M | 0.01% | +851,895+4.1% | Added |
| Greenhaven Associates IncSuperinvestorGreenhaven Associates | 24,637,310 | $243.9M | 2.82% | +2,043,472+9.0% | Added |
| Vanguard Capital Management LLC | 30,802,835 | $304.9M | 0.01% | +196,723+0.6% | Added |
| Vanguard Portfolio Management LLC | 31,343,250 | $310.3M | 0.01% | +67,403+0.2% | Added |
| BlackRock, Inc. | 70,281,231 | $695.8M | 0.01% | +4,577,677+7.0% | Added |
| Dodge & Cox | 120,020,974 | $1.19B | 0.62% | +372,645+0.3% | Added |
| Lightrock Netherlands B.V. | 322,626 | – | – | −6,000−1.8% | Reduced |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −24,224,156−100.0% | Sold out |
| T. Rowe Price Investment Management, Inc. | 0 | $0 | 0.00% | −14,786,678−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −4,966,462−100.0% | Sold out |
| Eversept Partners, LP | 0 | $0 | 0.00% | −2,974,287−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −2,344,437−100.0% | Sold out |
| Olstein Capital Management, L.P. | 0 | $0 | 0.00% | −1,210,000−100.0% | Sold out |
| TD Asset Management Inc | 0 | $0 | 0.00% | −930,600−100.0% | Sold out |
| Stanley Capital Management, LLC | 0 | $0 | 0.00% | −918,500−100.0% | Sold out |
| Readystate Asset Management LP | 0 | $0 | 0.00% | −788,250−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −755,694−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −608,347−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −567,389−100.0% | Sold out |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −527,903−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −418,432−100.0% | Sold out |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −306,044−100.0% | Sold out |
| Cna Financial Corp | 0 | $0 | 0.00% | −300,000−100.0% | Sold out |
| HighVista Strategies LLC | 0 | $0 | 0.00% | −186,500−100.0% | Sold out |
| ING Groep NV | 0 | $0 | 0.00% | −172,600−100.0% | Sold out |
| Oak Thistle LLC | 0 | $0 | 0.00% | −144,337−100.0% | Sold out |
| Moore Capital Management, LP | 0 | $0 | 0.00% | −115,153−100.0% | Sold out |
| Maverick Capital LtdSuperinvestorMaverick Capital | 0 | $0 | 0.00% | −100,814−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −88,357−100.0% | Sold out |
| Tran Capital Management, L.P. | 0 | $0 | 0.00% | −86,908−100.0% | Sold out |
| New York Life Investment Management LLC | 0 | $0 | 0.00% | −81,627−100.0% | Sold out |
| Intech Investment Management LLC | 0 | $0 | 0.00% | −80,458−100.0% | Sold out |
| ABS Direct Equity Fund LLC | 0 | $0 | 0.00% | −75,000−100.0% | Sold out |
| Skba Capital Management LLC | 0 | $0 | 0.00% | −62,967−100.0% | Sold out |
| Vestcor Inc | 0 | $0 | 0.00% | −50,388−100.0% | Sold out |
| Toroso Investments, LLC | 0 | $0 | 0.00% | −46,371−100.0% | Sold out |
| South Dakota Investment Council | 0 | $0 | 0.00% | −45,000−100.0% | Sold out |
| Bank of Nova Scotia | 0 | $0 | 0.00% | −41,600−100.0% | Sold out |
| Numerai GP LLC | 0 | $0 | 0.00% | −39,142−100.0% | Sold out |
| Calamos Advisors LLC | 0 | $0 | 0.00% | −38,401−100.0% | Sold out |
| Calamos Wealth Management LLC | 0 | $0 | 0.00% | −38,401−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −34,523−100.0% | Sold out |
| Shay Capital LLC | 0 | $0 | 0.00% | −32,500−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −28,877−100.0% | Sold out |
| Omers Administration Corp | 0 | $0 | 0.00% | −24,181−100.0% | Sold out |
| VisionPoint Advisory Group, LLC | 0 | $0 | 0.00% | −19,987−100.0% | Sold out |
| Lighthouse Investment Partners, LLC | 0 | $0 | 0.00% | −19,466−100.0% | Sold out |