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 |
|---|---|---|---|---|---|
| Calamos Advisors LLC | 38,401 | $301.1K | 0.00% | +38,401 | New |
| Calamos Wealth Management LLC | 38,401 | $301.1K | 0.01% | +38,401 | New |
| Ensign Peak Advisors, Inc | 38,546 | $302.2K | 0.00% | 00.0% | Unchanged |
| Cetera Investment Advisers | 38,569 | $302.4K | 0.00% | +9,799+34.1% | Added |
| Numerai GP LLC | 39,142 | $306.9K | 0.03% | +39,142 | New |
| Truist Financial Corp | 39,266 | $307.8K | 0.00% | +1,236+3.3% | Added |
| Federation des caisses Desjardins du Quebec | 39,619 | $310.6K | 0.00% | −12,629−24.2% | Reduced |
| DnB Asset Management AS | 40,627 | $318.5K | 0.00% | +30,222+290.5% | Added |
| Bank of Nova Scotia | 41,600 | $326.1K | 0.00% | −84,322−67.0% | Reduced |
| Swiss Life Asset Management Ltd | 42,079 | $329.9K | 0.00% | +9,404+28.8% | Added |
| Leo Wealth, LLC | 42,246 | $331.2K | 0.02% | +3,427+8.8% | Added |
| Prudential Financial Inc | 43,385 | $340.1K | 0.00% | −1,415−3.2% | Reduced |
| South Dakota Investment Council | 45,000 | $353.0K | 0.01% | 00.0% | Unchanged |
| Harbor Capital Advisors, Inc. | 45,709 | $358.0K | 0.03% | +45,709 | New |
| Wiley Bros.-Aintree Capital, LLC | 41,972 | $359.0K | 0.00% | +31,603+304.8% | Added |
| Crossmark Global Holdings, Inc. | 46,259 | $362.7K | 0.01% | +10.0% | Added |
| Toroso Investments, LLC | 46,371 | $363.5K | 0.00% | +2,850+6.5% | Added |
| The PNC Financial Services Group, Inc. | 47,157 | $369.7K | 0.00% | +21,481+83.7% | Added |
| Securian Asset Management, Inc | 50,274 | $394.1K | 0.02% | +585+1.2% | Added |
| Vestcor Inc | 50,388 | $395.0K | 0.01% | 00.0% | Unchanged |
| IMC-Chicago, LLC | 54,264 | $425.4K | 0.01% | −19,968−26.9% | Reduced |
| JustInvest LLC | 54,572 | $427.8K | 0.00% | +5,018+10.1% | Added |
| Aristeia Capital LLC | 54,604 | $428.1K | 0.01% | +13,794+33.8% | Added |
| Vise Technologies, Inc. | 38,112 | $436.8K | 0.01% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 56,763 | $445.0K | 0.00% | −930−1.6% | Reduced |
| RSM US Wealth Management LLC | 60,698 | $475.9K | 0.01% | +25,051+70.3% | Added |
| Skba Capital Management LLC | 62,967 | $493.7K | 0.07% | −400−0.6% | Reduced |
| Danica Pension, Livsforsikringsaktieselskab | 63,072 | $494.5K | 0.01% | 00.0% | Unchanged |
| Pathstone Holdings, LLC | 64,688 | $507.2K | 0.00% | −34,728−34.9% | Reduced |
| Regions Financial Corp | 65,548 | $513.9K | 0.00% | +2,345+3.7% | Added |
| Bank of Montreal | 65,910 | $516.7K | 0.00% | −136,556−67.4% | Reduced |
| LPL Financial LLC | 67,227 | $527.1K | 0.00% | −100,399−59.9% | Reduced |
| State of Alaska, Department of Revenue | 67,352 | $528.0K | 0.01% | 00.0% | Unchanged |
| Public Employees Retirement Association of Colorado | 67,868 | $532.0K | 0.00% | 00.0% | Unchanged |
| Winton Group Ltd | 68,157 | $534.4K | 0.02% | +38,000+126.0% | Added |
| Modera Wealth Management, LLC | 70,815 | $555.2K | 0.01% | −200.0% | Reduced |
| ABS Direct Equity Fund LLC | 75,000 | $588.0K | 0.45% | −25,000−25.0% | Reduced |
| Quadrature Capital Ltd | 76,817 | $602.2K | 0.01% | +793+1.0% | Added |
| Pacer Advisors, Inc. | 78,486 | $615.0K | 0.00% | −30,931−28.3% | Reduced |
| ADAR1 Capital Management, LLC | 80,000 | $627.2K | 0.04% | +10,000+14.3% | Added |
| Intech Investment Management LLC | 80,458 | $630.8K | 0.01% | +80,458 | New |
| Xponance, Inc. | 81,161 | $636.3K | 0.00% | +18,943+30.4% | Added |
| New York Life Investment Management LLC | 81,627 | $640.0K | 0.01% | +23,436+40.3% | Added |
| Lazard Asset Management LLC | 81,813 | $641.4K | 0.00% | +81,813 | New |
| HighTower Advisors, LLC | 82,285 | $645.1K | 0.00% | −5,335−6.1% | Reduced |
| Massachusetts Financial Services Co | 82,746 | $648.7K | 0.00% | −7,131,662−98.9% | Reduced |
| Summit Trail Advisors, LLC | 83,157 | $652.0K | 0.01% | +35,606+74.9% | Added |
| Rialto Wealth Management, LLC | 84,489 | $662.4K | 0.15% | +63+0.1% | Added |
| AlphaGrep UK Ltd | 85,025 | $666.6K | 0.20% | +72,783+594.5% | Added |
| Tran Capital Management, L.P. | 86,908 | $681.4K | 0.09% | +43,400+99.8% | Added |
| EFG International AG | 87,500 | $686.0K | 0.01% | 00.0% | Unchanged |
| HRT Financial LP | 88,357 | $692.0K | 0.00% | +88,357 | New |
| Oppenheimer Asset Management Inc. | 89,209 | $699.4K | 0.01% | −51,808−36.7% | Reduced |
| Gerald Baker Financial Group LLC | 94,206 | $738.6K | 0.23% | +94,206 | New |
| Rock Creek Group, LP | 100,000 | $784.0K | 0.08% | +75,000+300.0% | Added |
| Maverick Capital LtdSuperinvestorMaverick Capital | 100,814 | $790.4K | 0.01% | +100,814 | New |
| Carnegie Lake Advisors LLC | 103,600 | $812.2K | 0.32% | +40,000+62.9% | Added |
| Franklin Resources Inc | 105,947 | $830.6K | 0.00% | +56,801+115.6% | Added |
| Assenagon Asset Management S.A. | 106,070 | $831.6K | 0.00% | −3,514,385−97.1% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 106,700 | $836.5K | 0.00% | +106,700 | New |
| Pictet Asset Management Holding SA | 106,835 | $837.6K | 0.00% | +2,274+2.2% | Added |
| Victory Capital Management Inc | 107,103 | $839.7K | 0.00% | +6,654+6.6% | Added |
| Gabelli Funds LLC | 110,500 | $866.3K | 0.01% | −70,500−39.0% | Reduced |
| Dark Forest Capital Management LP | 110,848 | $869.0K | 0.08% | +110,848 | New |
| Mercer Global Advisors Inc | 110,928 | $869.7K | 0.00% | +17,803+19.1% | Added |
| BNP Paribas Arbitrage, SA | 111,452 | $873.8K | 0.00% | −23,487−17.4% | Reduced |
| Moore Capital Management, LP | 115,153 | $902.8K | 0.03% | −383,933−76.9% | Reduced |
| Robeco Institutional Asset Management B.V. | 124,432 | $975.5K | 0.00% | −63,876−33.9% | Reduced |
| Ameritas Investment Partners, Inc. | 125,649 | $985.1K | 0.03% | +694+0.6% | Added |
| Bridgewater Associates, LP | 128,209 | $1.01M | 0.00% | +128,209 | New |
| Creative Planning | 131,604 | $1.03M | 0.00% | +74,812+131.7% | Added |
| Oregon Public Employees Retirement Fund | 139,857 | $1.10M | 0.01% | +4,300+3.2% | Added |
| Mangrove Partners | 140,513 | $1.10M | 0.09% | +140,513 | New |
| New Mexico Educational Retirement Board | 141,800 | $1.11M | 0.03% | 00.0% | Unchanged |
| Oak Thistle LLC | 144,337 | $1.13M | 0.11% | +43,608+43.3% | Added |
| KLP Kapitalforvaltning AS | 150,100 | $1.18M | 0.00% | +4,300+2.9% | Added |
| Northwestern Mutual Investment Management Company, LLC | 152,800 | $1.20M | 0.02% | +253+0.2% | Added |
| Axq Capital, LP | 160,895 | $1.26M | 0.16% | +160,895 | New |
| State of Michigan Retirement System | 164,100 | $1.29M | 0.01% | +3,000+1.9% | Added |
| Virginia Retirement Systems Et Al | 168,600 | $1.32M | 0.01% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 170,892 | $1.34M | 0.01% | +274+0.2% | Added |
| Vanguard Investments Australia, Ltd. | 171,134 | $1.34M | 0.00% | +171,134 | New |
| ING Groep NV | 172,600 | $1.35M | 0.01% | +172,600 | New |
| North Star Asset Management Inc | 180,358 | $1.41M | 0.06% | −57,810−24.3% | Reduced |
| Yousif Capital Management, LLC | 181,459 | $1.42M | 0.02% | −9,503−5.0% | Reduced |
| HighVista Strategies LLC | 186,500 | $1.46M | 0.40% | +186,500 | New |
| Arizona State Retirement System | 187,280 | $1.47M | 0.01% | −3,977−2.1% | Reduced |
| Deutsche Bank AG | 188,320 | $1.48M | 0.00% | +135,760+258.3% | Added |
| Public Employees Retirement System of Ohio | 192,289 | $1.51M | 0.00% | −6,554−3.3% | Reduced |
| Squarepoint Ops LLC | 194,243 | $1.52M | 0.00% | −15,555−7.4% | Reduced |
| Handelsbanken Fonder AB | 197,300 | $1.55M | 0.01% | 00.0% | Unchanged |
| Silvercrest Asset Management Group LLC | 197,489 | $1.55M | 0.01% | −1,375,233−87.4% | Reduced |
| Louisiana State Employees Retirement System | 197,800 | $1.55M | 0.03% | +9,100+4.8% | Added |
| Havemeyer Place LP | 202,483 | $1.59M | 0.18% | +202,483 | New |
| Callan Family Office, LLC | 208,228 | $1.63M | 0.04% | +124,153+147.7% | Added |
| Teachers Retirement System of the State of Kentucky | 216,730 | $1.70M | 0.01% | 00.0% | Unchanged |
| Brinker Capital Investments, LLC | 217,412 | $1.70M | 0.01% | +63,998+41.7% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 212,170 | $1.74M | 0.00% | −7,208−3.3% | Reduced |
| Magnetar Financial LLC | 224,084 | $1.76M | 0.02% | +224,084 | New |
| Mackenzie Financial Corp | 224,602 | $1.76M | 0.00% | −187,853−45.5% | Reduced |