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Avantor (AVTR) Institutional Ownership

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$14.89 -0.36 (-2.36%)
Closing price 09/9/2026 03:59 PM Eastern
Extended Trading
$14.81 -0.08 (-0.54%)
As of 09:19 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Avantor (NYSE:AVTR)

Current
Institutional Ownership
Percentage
95.08%
Number of
Institutional Buyers
(last 12 months)
254
Total
Institutional Inflows
(last 12 months)
$3.09B
Number of
Institutional Sellers
(last 12 months)
188
Total
Institutional Outflows
(last 12 months)
$1.25B
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AVTR Institutional Buying and Selling by Quarter

Avantor Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/9/2026 Sequoia Financial Advisors LLC22,739$225K0.0%+100.1%0.003%
9/9/2026 WINTON GROUP Ltd10,300$102K0.0%-84.9%0.002%
9/9/2026 Engineers Gate Manager LP54,570$540K0.0%+362.5%0.008%
9/9/2026 Cidel Asset Management Inc.11,299$112K0.0%N/A0.002%
9/9/2026 Integrated Wealth Concepts LLC12,912$128K0.0%N/A0.002%
9/9/2026 IFP Advisors Inc5,858$58K0.0%+901.4%0.001%
9/9/2026 Squarepoint Ops LLC1,006,446$9.96M0.0%+418.1%0.149%
9/8/2026 Allworth Financial LP16,512$163K0.0%+663.4%0.002%
9/8/2026 Arizona State Retirement System181,895$1.80M0.0%-2.9%0.027%
9/8/2026 Nykredit A S13,287$132K0.0%N/A0.002%
8/27/2026 Corient Private Wealth LP1,760,605$17.43M0.0%+176.2%0.260%
8/26/2026 Amundi515,503$5.10M0.0%-3.0%0.076%
8/26/2026 HighTower Advisors LLC85,072$842K0.0%+3.4%0.013%
8/25/2026 VIRGINIA RETIREMENT SYSTEMS ET Al194,100$1.92M0.0%N/A0.029%
8/24/2026 California State Teachers Retirement System7,557,403$763.37M0.0%+861.7%1.117%
8/23/2026 HB Wealth Management LLC28,137$279K0.0%N/A0.004%
8/22/2026 AlphaGrep UK Ltd15,752$156K0.0%N/A0.002%
8/22/2026 Syon Capital LLC23,415$232K0.0%+112.4%0.003%
8/21/2026 AXQ Capital LP32,254$319K0.0%-80.0%0.005%
8/21/2026 Nykredit A S13,287$132K0.0%N/A0.002%
8/20/2026 Straightline Group LLC28,179$279K0.1%N/A0.004%
8/20/2026 Private Management Group Inc.3,097,234$30.66M0.8%+13.3%0.458%
8/20/2026 Greenleaf Trust20,108$199K0.0%N/A0.003%
8/19/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC2,027,738$20.08M0.0%-5.5%0.300%
8/19/2026 Hsbc Holdings PLC33,534$332K0.0%+8.0%0.005%
8/18/2026 North Star Asset Management Inc.138,877$1.38M0.1%N/A0.021%
8/18/2026 Empowered Funds LLC25,594$253K0.0%N/A0.004%
8/18/2026 United Capital Financial Advisors LLC25,124$249K0.0%N/A0.004%
8/18/2026 Public Employees Retirement System of Ohio187,865$1.86M0.0%N/A0.028%
8/17/2026 Corient Private Wealth LP1,722,983$17.06M0.0%N/A0.255%
8/17/2026 Bank of America Corp DE10,989,344$108.80M0.0%N/A1.625%
8/15/2026 Freestone Grove Partners LP5,714,884$56.58M0.4%N/A0.845%
8/15/2026 Man Group plc990,477$9.81M0.0%N/A0.146%
8/15/2026 Jupiter Topco LLC307,978$3.05M0.0%N/A0.046%
8/14/2026 ADAR1 Capital Management LLC130,000$1.29M0.1%N/A0.019%
8/14/2026 Hsbc Holdings PLC33,534$332K0.0%N/A0.005%
8/14/2026 EFG International AG87,500$866K0.0%N/A0.013%
8/14/2026 Canada Pension Plan Investment Board241,800$2.39M0.0%N/A0.036%
8/14/2026 Legal & General Group Plc888,490$8.80M0.0%N/A0.131%
8/14/2026 The Manufacturers Life Insurance Company953,968$9.44M0.0%N/A0.141%
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8/14/2026 Algert Global LLC576,390$5.71M0.1%-8.6%0.085%
8/13/2026 Sanctuary Advisors LLC63,333$627K0.0%N/A0.009%
8/13/2026 Connor Clark & Lunn Investment Management Ltd.388,392$3.85M0.0%N/A0.057%
8/13/2026 Meiji Yasuda Asset Management Co Ltd.15,889$157K0.0%N/A0.002%
8/13/2026 Barrow Hanley Mewhinney & Strauss LLC19,735,968$195.39M0.6%N/A2.918%
8/12/2026 Quantbot Technologies LP19,791$196K0.0%N/A0.003%
8/12/2026 Evolve Private Wealth LLC14,040$139K0.0%N/A0.002%
8/12/2026 Callan Family Office LLC204,134$2.02M0.0%N/A0.030%
8/12/2026 Manhattan West Asset Management LLC224,212$2.22M0.4%N/A0.033%
8/11/2026 Allworth Financial LP16,512$163K0.0%N/A0.002%
8/11/2026 Advisors Capital Management LLC441,317$4.37M0.0%N/A0.065%
8/11/2026 Vise Technologies Inc.73,825$731K0.0%N/A0.011%
8/11/2026 Western Standard LLC2,109,984$20.89M7.1%N/A0.312%
8/10/2026 NewEdge Wealth LLC13,800$137K0.0%N/A0.002%
8/10/2026 Danica Pension Livsforsikringsaktieselskab63,072$624K0.0%N/A0.009%
8/10/2026 Diversify Advisory Services LLC33,469$394K0.0%N/A0.005%
8/8/2026 Meeder Advisory Services Inc.24,941$247K0.0%N/A0.004%
8/7/2026 Citizens Financial Group Inc. RI23,150$229K0.0%N/A0.003%
8/7/2026 BlackRock Inc.70,281,231$695.78M0.0%N/A10.391%
8/7/2026 Deutsche Bank AG190,914$1.89M0.0%N/A0.028%
8/7/2026 OneDigital Investment Advisors LLC142,922$1.42M0.0%N/A0.021%
8/7/2026 Diamond Hill Capital Management LLC Investment Advisor1,046,390$10.36M0.1%N/A0.155%
8/6/2026 Bank of New York Mellon Corp4,121,222$40.80M0.0%N/A0.609%
8/6/2026 State of Wyoming7,473$74K0.0%N/A0.001%
8/6/2026 GSA Capital Partners LLP80,841$800K0.1%N/A0.012%
8/3/2026 Oppenheimer Asset Management Inc.81,327$805K0.0%N/A0.012%
7/10/2026 Handelsbanken Fonder AB278,500$2.76M0.0%+41.2%0.041%
7/9/2026 First Bank & Trust26,696$264K0.0%-18.4%0.004%
7/8/2026 Assenagon Asset Management S.A.556,871$5.51M0.0%+425.0%0.082%
7/7/2026 GAMMA Investing LLC46,592$461K0.0%+93.3%0.007%
7/2/2026 Versant Capital Management Inc9,073$90K0.0%+372.1%0.001%
6/18/2026 Pacer Advisors Inc.78,486$615K0.0%-28.3%0.011%
6/16/2026 Empowered Funds LLC22,518$177K0.0%-15.9%0.003%
6/3/2026 Parallel Advisors LLC8,452$66K0.0%+21.4%0.001%
5/22/2026 Verus Capital Partners LLC14,147$111K0.0%N/A0.002%
5/19/2026 Bank of America Corp DE7,067,563$55.41M0.0%+24.3%1.035%
5/19/2026 Edgestream Partners L.P.418,095$3.28M0.1%+21.8%0.061%
5/18/2026 ADAR1 Capital Management LLC80,000$627K0.0%+14.3%0.012%
5/18/2026 Amundi531,575$4.17M0.0%+357.3%0.078%
5/18/2026 California State Teachers Retirement System785,799$6.16M0.0%+22.6%0.115%
5/18/2026 Readystate Asset Management LP788,250$6.18M0.3%-3.1%0.115%
5/18/2026 Royal Bank of Canada230,629$1.81M0.0%-21.6%0.034%
5/18/2026 Empowered Funds LLC22,518$177K0.0%-15.9%0.003%
5/18/2026 Engine Capital Management LP19,780,830$155.08M18.7%+65.8%2.897%
5/18/2026 Eversept Partners LP2,974,287$23.32M1.2%-6.4%0.436%
5/16/2026 The Manufacturers Life Insurance Company1,101,504$8.64M0.0%-87.4%0.161%
5/16/2026 Maverick Capital Ltd.100,814$790K0.0%N/A0.015%
5/16/2026 Quantinno Capital Management LP1,169,147$9.17M0.0%+187.4%0.171%
5/16/2026 Lazard Asset Management LLC81,813$641K0.0%N/A0.012%
5/16/2026 ABS Direct Equity Fund LLC75,000$588K0.5%-25.0%0.011%
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5/15/2026 Weiss Asset Management LP527,903$4.14M0.1%-30.1%0.077%
5/15/2026 London Co. of Virginia10,852,257$85.08M0.5%-9.1%1.589%
5/14/2026 Gabelli Funds LLC110,500$866K0.0%-39.0%0.016%
5/14/2026 Public Employees Retirement System of Ohio192,289$1.51M0.0%-3.3%0.028%
5/14/2026 Caxton Associates LLP10,055$79K0.0%N/A0.001%
5/14/2026 Clarkston Capital Partners LLC8,629,389$67.65M5.2%-42.9%1.264%
5/14/2026 Bank of Nova Scotia41,600$326K0.0%-67.0%0.006%
5/14/2026 Sei Investments Co.5,287,850$41.46M0.0%+0.9%0.774%
5/14/2026 State of Wyoming34,905$274K0.0%+473.0%0.005%
5/13/2026 Cetera Investment Advisers38,569$302K0.0%+34.1%0.006%


AVTR Institutional Ownership - Frequently Asked Questions

During the previous two years, 565 institutional investors and hedge funds held shares of Avantor. The most heavily invested institutionals were Dodge & Cox ($1.34B), California State Teachers Retirement System ($763.37M), Vanguard Group Inc. ($743.81M), BlackRock Inc. ($695.78M), T. Rowe Price Investment Management Inc. ($368.23M), Wellington Management Group LLP ($268.58M), and Greenhaven Associates Inc. ($234.94M).Learn more on Avantor's institutional investors.

95.08% of Avantor's stock is owned by institutional investors. Learn more on AVTR's institutional investor holdings.

Of the 484 institutional investors that purchased Avantor's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($70.28M), Dodge & Cox ($49.33M), Barrow Hanley Mewhinney & Strauss LLC ($32.03M), Wellington Management Group LLP ($23.60M), Norges Bank ($21.20M), Greenhaven Associates Inc. ($20.50M), and Bank of America Corp DE ($16.49M).

Institutional investors have bought a total of 286,305,223 shares in the last 24 months. This purchase volume represents approximately $3.09B in transactions.

Of the 188 institutional investors that sold Avantor's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: T. Rowe Price Investment Management Inc. ($12.48M), The Manufacturers Life Insurance Company ($10.90M), Engine Capital Management LP ($7.79M), Bessemer Group Inc. ($7.00M), Clarkston Capital Partners LLC ($6.48M), Corient Private Wealth LLC ($5.76M), and Close Asset Management Ltd ($4.62M).

Institutional investors have sold a total of 112,178,380 shares in the last 24 months. This volume of shares sold represents approximately $1.25B in transactions.


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Institutional ownership data for NYSE:AVTR is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/9/2026. New 13F filings are added each quarter as they're published.
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