AvantorAVTR
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 421 institutions reported holding Avantor Inc. (AVTR) in their 13F filings, down 45 from Q3 2025. 52 opened new positions and 102 sold out. The largest holders were Dodge & Cox ($1.3B), Vanguard Group Inc. ($743.8M) and BlackRock, Inc. ($683.0M). 6 famous investors held it, including David E. Shaw (0.1% of D. E. Shaw & Co.'s portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- Avantor Inc.
- CUSIP
- 05352A100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 52 | $439.8M |
| Exits | 102 | $261.0M |
All 13F filers, Q3 2025 → Q4 2025: 85,654,371 shares bought and 74,762,606 shares sold, net +10,891,765 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 421 holders
| Dodge & Cox | 0.72% | Reduce -0.6% | 117,065,143 | $1.3B |
| Vanguard Group Inc. | 0.01% | Reduce -1.6% | 64,904,889 | $743.8M |
| BlackRock, Inc. | 0.01% | Reduce -1.8% | 59,596,926 | $683.0M |
| Barrow Hanley Mewhinney & Strauss LLC | 1.27% | Reduce -3.6% | 33,287,174 | $381.5M |
| T. Rowe Price Investment Management, Inc. | 0.23% | Reduce -2.4% | 32,131,843 | $368.2M |
| Wellington Management Group LLP | 0.05% | New | 23,436,636 | $268.6M |
| Greenhaven Associates Inc. | 3.81% | Add +11.9% | 20,500,653 | $234.9M |
| State Street Corp. | 0.01% | Reduce -0.8% | 20,209,406 | $231.6M |
| Morgan Stanley | 0.01% | Add +179.4% | 17,468,418 | $200.2M |
| Invesco Ltd. | 0.02% | Add +7.0% | 17,178,716 | $196.9M |
| Clarkston Capital Partners, LLC | 4.01% | Add +0.6% | 15,105,065 | $173.1M |
| Dimensional Fund Advisors LP | 0.04% | Add +9.1% | 14,606,596 | $167.4M |
| New Mountain Capital, L.L.C. | 100.00% | No change | 14,000,000 | $160.4M |
| Geode Capital Management, LLC | 0.01% | Reduce -2.6% | 11,978,560 | $137.3M |
| London Co. of Virginia | 0.79% | Reduce -6.7% | 11,936,522 | $136.8M |
| Engine Capital Management, LP | 18.87% | Reduce -39.5% | 11,927,812 | $136.7M |
| Manufacturers Life Insurance Company, The | 0.08% | Reduce -27.3% | 8,734,396 | $100.1M |
| UBS Group AG | 0.02% | Add +86.0% | 7,731,643 | $88.6M |
| FMR LLC | 0.00% | Add +0.6% | 7,670,732 | $87.9M |
| Robeco Schweiz AG | 1.87% | Reduce -8.1% | 7,280,961 | $83.4M |
| Massachusetts Financial Services Co. | 0.03% | Reduce -3.8% | 7,214,408 | $82.7M |
| Norges Bank | 0.01% | — | 6,398,087 | $73.3M |
| D. E. Shaw & Co. | 0.06% | Add +350.2% | 6,215,923 | $71.2M |
| Earnest Partners LLC | 0.30% | Reduce -2.7% | 6,031,807 | $69.1M |
| Bank of America Corp. | 0.00% | Reduce -18.4% | 5,685,243 | $65.2M |
| Northern Trust Corp. | 0.01% | Reduce -4.5% | 5,309,454 | $60.8M |
| Sei Investments Co. | 0.06% | Add +14.8% | 5,241,143 | $60.1M |
| Voya Investment Management LLC | 0.06% | Reduce -0.1% | 4,961,474 | $56.9M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +3.2% | 4,879,423 | $55.9M |
| Bank of New York Mellon Corp | 0.01% | Add +2.2% | 4,417,910 | $50.6M |
| AQR Capital Management | 0.03% | Add +263.2% | 4,391,597 | $50.3M |
| Voss Capital, LP | 2.50% | Reduce -9.3% | 4,102,790 | $47.0M |
| First Pacific Advisors, LP | 0.61% | Reduce -2.5% | 3,968,620 | $45.5M |
| Jane Street Group, LLC | 0.05% | Add +12256.3% | 3,831,817 | $43.9M |
| Millennium Management | 0.03% | Add +35.8% | 3,668,997 | $42.0M |
| Ameriprise Financial Inc. | 0.01% | Add +141.8% | 3,625,696 | $41.6M |
| Assenagon Asset Management S.A. | 0.06% | New | 3,620,455 | $41.5M |
| Southeastern Asset Management Inc. | 1.81% | Reduce -31.1% | 3,548,518 | $40.7M |
| Brickwood Asset Management LLP | 25.39% | Add +6891.9% | 3,184,043 | $36.5M |
| Eversept Partners, LP | 2.04% | Add +243.6% | 3,176,644 | $36.4M |
| Freestone Grove Partners LP | 0.21% | New | 2,584,006 | $29.6M |
| Private Management Group Inc. | 0.82% | Add +50.4% | 2,456,859 | $28.2M |
| TD Asset Management Inc | 0.02% | Reduce -6.9% | 2,292,088 | $26.3M |
| Natixis Advisors, LLC | 0.03% | Add +11.3% | 2,121,823 | $24.3M |
| First Trust Advisors LP | 0.02% | Reduce -21.5% | 2,114,915 | $24.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Reduce -12.1% | 2,092,626 | $24.0M |
| Citigroup Inc. | 0.02% | Reduce -34.9% | 2,001,522 | $22.9M |
| Perpetual Ltd | 0.30% | Add +1.6% | 1,832,066 | $21.0M |
| Frontier Capital Management Co. LLC | 0.22% | Reduce -28.8% | 1,812,009 | $20.8M |
| New South Capital Management Inc. | 0.96% | Reduce -1.0% | 1,811,887 | $20.8M |
| Zuckerman Investment Group, LLC | 1.80% | Add +1.5% | 1,749,569 | $20.1M |
| Rhumbline Advisers | 0.02% | Reduce -4.5% | 1,656,764 | $19.0M |
| Fuller & Thaler Asset Management, Inc. | 0.06% | New | 1,622,397 | $18.6M |
| Silvercrest Asset Management Group LLC | 0.12% | Reduce -48.9% | 1,572,722 | $18.0M |
| Principal Financial Group Inc. | 0.01% | Reduce -3.1% | 1,466,173 | $16.8M |
| DekaBank Deutsche Girozentrale | 0.03% | No change | 628,082 | $16.6M |
| Nuveen, LLC | 0.00% | Add +56.0% | 1,443,742 | $16.5M |
| Wells Fargo & Company | 0.00% | Reduce -22.4% | 1,356,216 | $15.5M |
| Swiss National Bank | 0.01% | Add +1.8% | 1,344,100 | $15.4M |
| Raymond James Financial Inc. | 0.00% | Reduce -28.6% | 1,297,268 | $14.9M |
| Citadel Advisors | 0.01% | Reduce -84.4% | 1,243,956 | $14.3M |
| JPMorgan Chase & Co. | 0.00% | Reduce -34.0% | 1,192,645 | $13.7M |
| Alberta Investment Management Corp | 0.08% | New | 1,111,144 | $12.7M |
| Loews Corp | 0.09% | Reduce -28.6% | 1,000,000 | $11.5M |
| Legal & General Group Plc | 0.00% | Reduce -12.2% | 999,263 | $11.5M |
| Walleye Capital LLC | 0.07% | Reduce -3.7% | 991,436 | $11.4M |
| Barclays PLC | 0.00% | Reduce -13.4% | 967,555 | $11.1M |
| Westwood Holdings Group Inc. | 0.09% | New | 949,003 | $10.9M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -49.4% | 933,920 | $10.7M |
| California Public Employees Retirement System | 0.01% | Reduce -1.0% | 925,349 | $10.6M |
| Stanley Capital Management, LLC | 1.76% | Reduce -30.3% | 918,500 | $10.5M |
| Prosight Management, LP | 2.13% | New | 898,499 | $10.3M |
| Alliancebernstein L.P. | 0.00% | Reduce -0.1% | 857,513 | $9.8M |
| Retirement Systems of Alabama | 0.03% | Reduce -0.7% | 818,287 | $9.4M |
| Olstein Capital Management, L.P. | 1.92% | Add +3.0% | 818,000 | $9.4M |
| Readystate Asset Management LP | 0.71% | Add +995.9% | 813,081 | $9.3M |
| Weiss Asset Management LP | 0.16% | Add +37.2% | 755,396 | $8.7M |
| Lightrock Netherlands B.V. | 1.78% | Reduce -51.8% | 267,468 | $8.6M |
| Sector Gamma As | 1.82% | Add +45.8% | 695,403 | $8.0M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -26.0% | 657,980 | $7.5M |
| California State Teachers Retirement System | 0.01% | Reduce -0.1% | 640,754 | $7.3M |
| Corient Private Wealth LP | 0.01% | Reduce -82.2% | 624,623 | $7.2M |
| Verition Fund Management LLC | 0.04% | Add +60.4% | 581,330 | $6.7M |
| Thornburg Investment Management Inc. | 0.08% | Add +29.4% | 576,959 | $6.6M |
| State Board of Administration of Florida Retirement System | 0.01% | Reduce -6.1% | 568,121 | $6.5M |
| T. Rowe Price Associates Inc. | 0.00% | Add +4.8% | 563,477 | $6.5M |
| Gendell Jeffrey L | 0.11% | New | 545,000 | $6.2M |
| Capitolis Liquid Global Markets LLC | 0.03% | New | 505,000 | $5.8M |
| Clearline Capital LP | 0.43% | New | 502,683 | $5.8M |
| Moore Capital Management, LP | 0.12% | Add +70.0% | 499,086 | $5.7M |
| Taikang Asset Management (Hong Kong) Co Ltd | 0.55% | Add +54.5% | 486,565 | $5.6M |
| Reinhart Partners, Llc. | 0.17% | Reduce -29.5% | 484,963 | $5.6M |
| State of Wisconsin Investment Board | 0.01% | Add +0.8% | 461,936 | $5.3M |
| Boston Partners | 0.01% | New | 433,421 | $5.0M |
| Aquatic Capital Management LLC | 0.14% | New | 425,812 | $4.9M |
| Pacific Capital Partners Ltd | 5.17% | Reduce -16.0% | 424,520 | $4.9M |
| Two Sigma Investments, LP | 0.01% | Add +45.9% | 412,713 | $4.7M |
| Mackenzie Financial Corp. | 0.01% | Add +1180.2% | 412,455 | $4.7M |
| Quantinno Capital Management LP | 0.01% | Reduce -23.8% | 406,859 | $4.7M |
| SG Americas Securities, LLC | 0.01% | Add +209.5% | 401,969 | $4.6M |
"% of holder's portfolio" is AVTR's weight in each manager's 13F, not the share of Avantor Inc. the manager owns.