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, Q3 2025
Institutional positions in Avantor, Inc. as of Sep 30, 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
- 466
- −36 vs. Q2 2025
- Shares held
- 678.8M
- −24.7M (−3.5%) vs. Q2 2025
- Total value
- $8.47B
- −$1.00B (−10.6%) vs. Q2 2025
- New holders
- 74
- 145 more added
- Sold out
- 110
- 203 more reduced
4 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Avantor, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Dodge & Cox | 117,746,888 | $1.47B | 0.79% | +313,404+0.3% | Added |
| Vanguard Group Inc | 65,988,977 | $823.5M | 0.01% | +1,135,279+1.8% | Added |
| BlackRock, Inc. | 60,716,987 | $757.7M | 0.01% | −11,188,159−15.6% | Reduced |
| Barrow Hanley Mewhinney & Strauss LLC | 34,548,129 | $431.2M | 1.37% | +3,356,861+10.8% | Added |
| T. Rowe Price Investment Management, Inc. | 32,927,695 | $410.9M | 0.25% | −23,573,020−41.7% | Reduced |
| State Street Corp | 20,365,770 | $254.2M | 0.01% | −3,118,996−13.3% | Reduced |
| Engine Capital Management, LP | 19,720,430 | $246.1M | 29.22% | +14,216,121+258.3% | Added |
| Greenhaven Associates IncSuperinvestorGreenhaven Associates | 18,311,570 | $228.5M | 3.48% | +18,311,570 | New |
| Invesco Ltd. | 16,053,368 | $200.3M | 0.03% | +119,508+0.8% | Added |
| Clarkston Capital Partners, LLC | 15,020,325 | $187.5M | 4.04% | +1,038,235+7.4% | Added |
| New Mountain Capital, L.L.C. | 14,000,000 | $174.7M | 100.00% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 13,383,746 | $167.0M | 0.04% | +2,482,519+22.8% | Added |
| London Co of Virginia | 12,793,957 | $159.7M | 0.88% | +12,793,957 | New |
| Geode Capital Management, LLC | 12,295,686 | $153.5M | 0.01% | +390,039+3.3% | Added |
| Manufacturers Life Insurance Company, The | 12,006,252 | $149.8M | 0.12% | −3,908,321−24.6% | Reduced |
| Citadel Advisors LLC | 7,972,934 | $99.5M | 0.08% | +5,183,010+185.8% | Added |
| Robeco Schweiz AG | 7,920,177 | $98.8M | 2.22% | −807,007−9.2% | Reduced |
| FMR LLC | 7,621,830 | $95.1M | 0.00% | +706,358+10.2% | Added |
| Massachusetts Financial Services Co | 7,502,086 | $93.6M | 0.03% | +1,640,120+28.0% | Added |
| Bank of America Corp | 6,969,143 | $87.0M | 0.01% | −525,952−7.0% | Reduced |
| Morgan Stanley | 6,251,853 | $78.0M | 0.00% | −619,227−9.0% | Reduced |
| Earnest Partners LLC | 6,196,712 | $77.3M | 0.34% | +99,466+1.6% | Added |
| Northern Trust Corp | 5,561,017 | $69.4M | 0.01% | −953,396−14.6% | Reduced |
| Holocene Advisors, LP | 5,493,677 | $68.6M | 0.16% | +4,040,154+278.0% | Added |
| Southeastern Asset Management IncSuperinvestorSoutheastern Asset Management (Longleaf) | 5,149,420 | $64.3M | 3.28% | +5,149,420 | New |
| Voya Investment Management LLC | 4,967,540 | $62.0M | 0.06% | −18,997−0.4% | Reduced |
| Charles Schwab Investment Management Inc | 4,728,279 | $59.0M | 0.01% | +1,289,560+37.5% | Added |
| SEI Investments Co | 4,563,468 | $57.0M | 0.06% | +157,309+3.6% | Added |
| Voss Capital, LLC | 4,525,000 | $56.5M | 3.25% | +4,075,000+905.6% | Added |
| Bank of New York Mellon Corp | 4,324,708 | $54.0M | 0.01% | −713,836−14.2% | Reduced |
| UBS Group AG | 4,157,904 | $51.9M | 0.01% | −1,939,992−31.8% | Reduced |
| First Pacific Advisors, LP | 4,070,978 | $50.8M | 0.70% | +3,995,978+5,328.0% | Added |
| CI Private Wealth, LLC | 3,505,953 | $43.8M | 0.07% | +3,465,221+8,507.4% | Added |
| Royal Bank of Canada | 3,177,836 | $39.7M | 0.01% | +1,518,890+91.6% | Added |
| Silvercrest Asset Management Group LLC | 3,080,082 | $38.4M | 0.25% | +382,719+14.2% | Added |
| Citigroup Inc | 3,072,134 | $38.3M | 0.03% | −400,042−11.5% | Reduced |
| Thrivent Financial for Lutherans | 2,828,696 | $35.3M | 0.07% | +176,999+6.7% | Added |
| Millennium Management LLC | 2,702,510 | $33.7M | 0.03% | +2,689,632+20,885.5% | Added |
| First Trust Advisors LP | 2,694,790 | $33.6M | 0.03% | +776,412+40.5% | Added |
| Frontier Capital Management Co LLC | 2,544,141 | $31.8M | 0.28% | +1,890,976+289.5% | Added |
| Point72 Asset Management, L.P. | 2,495,068 | $31.1M | 0.07% | +858,428+52.5% | Added |
| TD Asset Management Inc | 2,463,084 | $30.7M | 0.02% | −904,361−26.9% | Reduced |
| UBS Asset Management Americas Inc | 2,380,992 | $29.7M | 0.01% | −4,078,464−63.1% | Reduced |
| Natixis Advisors, L.P. | 1,907,077 | $23.8M | 0.03% | +1,058,617+124.8% | Added |
| Goldman Sachs Group Inc | 1,845,304 | $23.0M | 0.00% | −451,267−19.6% | Reduced |
| Kinney Asset Management, LLC | 1,845,000 | $23.0M | 34.31% | +470,000+34.2% | Added |
| New South Capital Management Inc | 1,830,126 | $22.8M | 1.04% | +20,310+1.1% | Added |
| Raymond James Financial Inc | 1,818,028 | $22.7M | 0.01% | +50,976+2.9% | Added |
| JPMorgan Chase & Co | 1,806,512 | $22.5M | 0.00% | +91,254+5.3% | Added |
| Perpetual Ltd | 1,803,730 | $22.5M | 0.28% | −1,767−0.1% | Reduced |
| Wells Fargo & Company | 1,746,683 | $21.8M | 0.00% | +431,257+32.8% | Added |
| Rhumbline Advisers | 1,734,641 | $21.6M | 0.02% | −175,164−9.2% | Reduced |
| Zuckerman Investment Group, LLC | 1,723,522 | $21.5M | 1.99% | −60,904−3.4% | Reduced |
| Renaissance Technologies LLC | 1,651,100 | $20.6M | 0.03% | +416,200+33.7% | Added |
| Private Management Group Inc | 1,633,287 | $20.4M | 0.61% | +280,156+20.7% | Added |
| Woodline Partners LP | 1,628,501 | $20.3M | 0.10% | −2,142,196−56.8% | Reduced |
| American Century Companies Inc | 1,524,991 | $19.0M | 0.01% | +1,524,991 | New |
| Principal Financial Group Inc | 1,513,417 | $18.9M | 0.01% | −30,792−2.0% | Reduced |
| Ameriprise Financial Inc | 1,499,771 | $18.7M | 0.00% | −77,628−4.9% | Reduced |
| Loews Corp | 1,400,000 | $17.5M | 0.15% | −750,000−34.9% | Reduced |
| Russell Investments Group, Ltd. | 1,455,140 | $17.4M | 0.02% | +17,176+1.2% | Added |
| D. E. Shaw & Co., Inc. | 1,380,775 | $17.2M | 0.01% | +1,358,707+6,156.9% | Added |
| Swiss National Bank | 1,320,600 | $16.5M | 0.01% | −742,200−36.0% | Reduced |
| Stanley Capital Management, LLC | 1,318,500 | $16.5M | 2.71% | 00.0% | Unchanged |
| Franklin Resources Inc | 1,146,256 | $14.3M | 0.00% | −8,557−0.7% | Reduced |
| AQR Capital Management LLC | 1,209,163 | $14.3M | 0.01% | −831,734−40.8% | Reduced |
| Legal & General Group Plc | 1,137,490 | $14.2M | 0.00% | −1,966,157−63.3% | Reduced |
| Barclays PLC | 1,117,158 | $13.9M | 0.01% | −2,008,122−64.3% | Reduced |
| Great Lakes Advisors, LLC | 1,075,946 | $13.4M | 0.11% | −201,607−15.8% | Reduced |
| Gotham Asset Management, LLC | 1,047,534 | $13.1M | 0.06% | +522,283+99.4% | Added |
| Walleye Capital LLC | 1,029,228 | $12.8M | 0.10% | −867,701−45.7% | Reduced |
| California Public Employees Retirement System | 934,521 | $11.7M | 0.01% | +5,516+0.6% | Added |
| Nuveen, LLC | 925,297 | $11.5M | 0.00% | −255,053−21.6% | Reduced |
| Eversept Partners, LP | 924,442 | $11.5M | 0.88% | −601,722−39.4% | Reduced |
| Norris Perne & French LLP | 897,435 | $11.2M | 0.78% | −14,860−1.6% | Reduced |
| Envestnet Asset Management Inc | 889,336 | $11.1M | 0.00% | +132,280+17.5% | Added |
| Alliancebernstein L.P. | 858,525 | $10.7M | 0.00% | −9,450−1.1% | Reduced |
| Retirement Systems of Alabama | 824,264 | $10.3M | 0.03% | −8,597−1.0% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 816,705 | $10.2M | 0.03% | −356,057−30.4% | Reduced |
| Olstein Capital Management, L.P. | 794,000 | $9.91M | 1.87% | +115,000+16.9% | Added |
| Medina Singh Partners, LLC | 781,188 | $9.75M | 2.28% | +40,880+5.5% | Added |
| Reinhart Partners, Inc. | 687,805 | $8.54M | 0.28% | +119,476+21.0% | Added |
| Arrowstreet Capital, Limited Partnership | 649,886 | $8.11M | 0.01% | +525,810+423.8% | Added |
| California State Teachers Retirement System | 641,338 | $8.00M | 0.01% | −547,898−46.1% | Reduced |
| State Board of Administration of Florida Retirement System | 605,156 | $7.55M | 0.01% | −35,408−5.5% | Reduced |
| DekaBank Deutsche Girozentrale | 628,082 | $7.31M | 0.01% | 00.0% | Unchanged |
| Weiss Asset Management LP | 550,608 | $6.87M | 0.10% | +550,608 | New |
| Treasurer of the State of North Carolina | 544,253 | $6.79M | 0.02% | −11,779−2.1% | Reduced |
| Price T Rowe Associates Inc | 537,455 | $6.71M | 0.00% | +31,083+6.1% | Added |
| Quantinno Capital Management LP | 533,579 | $6.66M | 0.02% | −380,438−41.6% | Reduced |
| Pacific Capital Partners Ltd | 505,158 | $6.30M | 7.02% | −146,861−22.5% | Reduced |
| Sector Gamma AS | 477,104 | $5.95M | 1.48% | +104,466+28.0% | Added |
| Lightrock Netherlands B.V. | 555,380 | $5.90M | 1.54% | +52,880+10.5% | Added |
| State of Wisconsin Investment Board | 458,112 | $5.72M | 0.01% | +88,674+24.0% | Added |
| Thornburg Investment Management Inc | 445,773 | $5.56M | 0.07% | −15,549−3.4% | Reduced |
| Comerica Bank | 424,356 | $5.30M | 0.02% | +132,386+45.3% | Added |
| Cubist Systematic Strategies, LLC | 423,251 | $5.28M | 0.07% | −81,041−16.1% | Reduced |
| New York State Common Retirement Fund | 421,814 | $5.26M | 0.01% | +84,587+25.1% | Added |
| Winton Group Ltd | 409,558 | $5.11M | 0.19% | +363,928+797.6% | Added |
| Great West Life Assurance Co | 430,201 | $5.09M | 0.01% | −72,274−14.4% | Reduced |