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 |
|---|---|---|---|---|---|
| Massachusetts Financial Services Co | 7,214,408 | $82.7M | 0.03% | −287,678−3.8% | Reduced |
| Robeco Schweiz AG | 7,280,961 | $83.4M | 1.87% | −639,216−8.1% | Reduced |
| FMR LLC | 7,670,732 | $87.9M | 0.00% | +48,902+0.6% | Added |
| UBS Group AG | 7,731,643 | $88.6M | 0.02% | +3,573,739+86.0% | Added |
| Manufacturers Life Insurance Company, The | 8,734,396 | $100.1M | 0.08% | −3,271,856−27.3% | Reduced |
| Engine Capital Management, LP | 11,927,812 | $136.7M | 18.87% | −7,792,618−39.5% | Reduced |
| London Co of Virginia | 11,936,522 | $136.8M | 0.79% | −857,435−6.7% | Reduced |
| Geode Capital Management, LLC | 11,978,560 | $137.3M | 0.01% | −317,126−2.6% | Reduced |
| New Mountain Capital, L.L.C. | 14,000,000 | $160.4M | 100.00% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 14,606,596 | $167.4M | 0.04% | +1,222,850+9.1% | Added |
| Clarkston Capital Partners, LLC | 15,105,065 | $173.1M | 4.01% | +84,740+0.6% | Added |
| Invesco Ltd. | 17,178,716 | $196.9M | 0.02% | +1,125,348+7.0% | Added |
| Morgan Stanley | 17,468,418 | $200.2M | 0.01% | +11,216,565+179.4% | Added |
| State Street Corp | 20,209,406 | $231.6M | 0.01% | −156,364−0.8% | Reduced |
| Greenhaven Associates IncSuperinvestorGreenhaven Associates | 20,500,653 | $234.9M | 3.81% | +2,189,083+12.0% | Added |
| Wellington Management Group LLP | 23,436,636 | $268.6M | 0.05% | +23,436,636 | New |
| T. Rowe Price Investment Management, Inc. | 32,131,843 | $368.2M | 0.23% | −795,852−2.4% | Reduced |
| Barrow Hanley Mewhinney & Strauss LLC | 33,287,174 | $381.5M | 1.27% | −1,260,955−3.6% | Reduced |
| BlackRock, Inc. | 59,596,926 | $683.0M | 0.01% | −1,120,061−1.8% | Reduced |
| Vanguard Group Inc | 64,904,889 | $743.8M | 0.01% | −1,084,088−1.6% | Reduced |
| Dodge & Cox | 117,065,143 | $1.34B | 0.72% | −681,745−0.6% | Reduced |
| Holocene Advisors, LP | 0 | $0 | 0.00% | −5,493,677−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −2,495,068−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −1,651,100−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −1,628,501−100.0% | Sold out |
| American Century Companies Inc | 0 | $0 | 0.00% | −1,524,991−100.0% | Sold out |
| Great Lakes Advisors, LLC | 0 | $0 | 0.00% | −1,075,946−100.0% | Sold out |
| Norris Perne & French LLP | 0 | $0 | 0.00% | −897,435−100.0% | Sold out |
| Medina Singh Partners, LLC | 0 | $0 | 0.00% | −781,188−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −649,886−100.0% | Sold out |
| Easterly Investment Partners LLC | 0 | $0 | 0.00% | −356,112−100.0% | Sold out |
| APG Asset Management N.V. | 0 | $0 | 0.00% | −384,600−100.0% | Sold out |
| Bancreek Capital Management, LP | 0 | $0 | 0.00% | −306,252−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −300,029−100.0% | Sold out |
| Ontario Teachers Pension Plan Board | 0 | $0 | 0.00% | −289,022−100.0% | Sold out |
| Phocas Financial Corp. | 0 | $0 | 0.00% | −280,546−100.0% | Sold out |
| Macquarie Group Ltd | 0 | $0 | 0.00% | −253,232−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −232,762−100.0% | Sold out |
| Dean Investment Associates, LLC | 0 | $0 | 0.00% | −180,436−100.0% | Sold out |
| HighVista Strategies LLC | 0 | $0 | 0.00% | −172,400−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −167,725−100.0% | Sold out |
| Blackstone Group Inc. | 0 | $0 | 0.00% | −104,660−100.0% | Sold out |
| Dean Capital Management | 0 | $0 | 0.00% | −92,349−100.0% | Sold out |
| RNC Capital Management LLC | 0 | $0 | 0.00% | −79,430−100.0% | Sold out |
| Blue Door Asset Management, LLC | 0 | $0 | 0.00% | −77,100−100.0% | Sold out |
| SummitTX Capital, L.P. | 0 | $0 | 0.00% | −73,800−100.0% | Sold out |
| Suvretta Capital Management, LLC | 0 | $0 | 0.00% | −71,850−100.0% | Sold out |
| ASR Vermogensbeheer N.V. | 0 | $0 | 0.00% | −69,430−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −68,457−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −68,142−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −67,700−100.0% | Sold out |
| CSS LLC | 0 | $0 | 0.00% | −62,423−100.0% | Sold out |
| Employees Provident Fund Board | 0 | $0 | 0.00% | −62,000−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −53,529−100.0% | Sold out |
| CAPROCK Group, Inc. | 0 | $0 | 0.00% | −46,551−100.0% | Sold out |
| Eschler Asset Management LLP | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −47,037−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −42,200−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −41,306−100.0% | Sold out |
| J. Safra Sarasin Holding AG | 0 | $0 | 0.00% | −38,936−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −38,110−100.0% | Sold out |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −37,925−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −37,199−100.0% | Sold out |
| Sumitomo Mitsui Trust Holdings, Inc. | 0 | $0 | 0.00% | −25,799−100.0% | Sold out |
| Armistice Capital, LLC | 0 | $0 | 0.00% | −25,360−100.0% | Sold out |
| Tectonic Advisors LLC | 0 | $0 | 0.00% | −24,976−100.0% | Sold out |
| Requisite Capital Management, LLC | 0 | $0 | 0.00% | −22,971−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −22,764−100.0% | Sold out |
| Intech Investment Management LLC | 0 | $0 | 0.00% | −22,673−100.0% | Sold out |
| Sig Brokerage, LP | 0 | $0 | 0.00% | −21,640−100.0% | Sold out |
| Tandem Capital Management Corp | 0 | $0 | 0.00% | −20,720−100.0% | Sold out |
| RBF Capital, LLC | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −18,500−100.0% | Sold out |
| Everence Capital Management Inc | 0 | $0 | 0.00% | −18,410−100.0% | Sold out |
| John G Ullman & Associates Inc | 0 | $0 | 0.00% | −16,300−100.0% | Sold out |
| Integrated Quantitative Investments LLC | 0 | $0 | 0.00% | −15,714−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −15,488−100.0% | Sold out |
| Golden State Equity Partners | 0 | $0 | 0.00% | −14,927−100.0% | Sold out |
| Evergreen Capital Management LLC | 0 | $0 | 0.00% | −14,347−100.0% | Sold out |
| Beverly Hills Private Wealth, LLC | 0 | $0 | 0.00% | −14,009−100.0% | Sold out |
| Vident Advisory, LLC | 0 | $0 | 0.00% | −13,774−100.0% | Sold out |
| Board of the Pension Protection Fund | 0 | $0 | 0.00% | −13,700−100.0% | Sold out |
| HighPoint Advisor Group LLC | 0 | $0 | 0.00% | −13,000−100.0% | Sold out |
| Janney Montgomery Scott LLC | 0 | $0 | 0.00% | −12,911−100.0% | Sold out |
| Brown Advisory Inc | 0 | $0 | 0.00% | −12,350−100.0% | Sold out |
| TCG Advisory Services, LLC | 0 | $0 | 0.00% | −11,688−100.0% | Sold out |
| Chicago Trust Co NA | 0 | $0 | 0.00% | −11,217−100.0% | Sold out |
| Sage Rhino Capital LLC | 0 | $0 | 0.00% | −11,149−100.0% | Sold out |
| Diversify Advisory Services, LLC | 0 | $0 | 0.00% | −11,452−100.0% | Sold out |
| O'Shaughnessy Asset Management, LLC | 0 | $0 | 0.00% | −10,645−100.0% | Sold out |
| Voleon Capital Management LP | 0 | $0 | 0.00% | −10,402−100.0% | Sold out |
| Ci Investments Inc. | 0 | $0 | 0.00% | −8,836−100.0% | Sold out |
| TD Private Client Wealth LLC | 0 | $0 | 0.00% | −7,985−100.0% | Sold out |
| Van Eck Associates Corp | 0 | $0 | 0.00% | −7,068−100.0% | Sold out |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 0 | $0 | 0.00% | −6,317−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −5,365−100.0% | Sold out |
| Peregrine Capital Management LLC | 0 | $0 | 0.00% | −4,198−100.0% | Sold out |
| Mirae Asset Global ETFs Holdings Ltd. | 0 | $0 | 0.00% | −4,123−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −1,927−100.0% | Sold out |
| Rise Advisors, LLC | 0 | $0 | 0.00% | −1,523−100.0% | Sold out |