NYSE: AVTR
Avantor Inc Stock Ownership - Who owns Avantor?

Insider buying vs selling

Have Avantor Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Sanjeev K. MehraDirector2026-03-10125,000$8.01
$1.00MBuy
Brittany HankamerEVP Chief HR Officer2026-02-24359$9.11
$3.27kSell
Steven W. EckSVP Chief Accounting Officer2026-02-24452$9.11
$4.12kSell
Claudius SokenuEVP Chief Legal Compliance2026-02-232,376$8.89
$21.12kSell
Steven W. EckSVP Chief Accounting Officer2026-02-232,017$8.89
$17.93kSell
Benoit GourdierEVP Bioscience Medtech2026-02-233,029$8.89
$26.93kSell
Brittany HankamerEVP Chief HR Officer2026-02-231,324$8.89
$11.77kSell
R. Brent JonesEVP Chief Financial Officer2026-02-232,805$8.89
$24.94kSell
Claudius SokenuEVP Chief Legal Compliance2026-02-202,919$9.03
$26.36kSell
Brittany HankamerEVP Chief HR Officer2026-02-201,453$9.03
$13.12kSell

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Net Insider Buy/Sell (L12M) Ownership

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AVTR Shareholders

What type of owners hold Avantor Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Dodge Cox17.16%117,065,143$920.13MInstitution
Vanguard Group Inc9.52%64,904,889$510.15MInstitution
Blackrock Inc8.74%59,596,926$468.43MInstitution
Thomas Connolly8.63%58,881,710$462.81MInsider
Goldman Sachs Co LLC6.38%43,483,708$341.78MInsider
Barrow Hanley Mewhinney Strauss LLC4.88%33,287,174$261.64MInstitution
T Rowe Price Investment Management Inc4.71%32,131,843$252.56MInstitution
New Mountain Investments III LLC4.11%28,000,000$220.08MInsider
Wellington Management Group LLP3.44%23,436,636$184.21MInstitution
Greenhaven Associates Inc3.01%20,500,653$161.14MInstitution

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AVTR vs Specialty Chemical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
AVTR83.20%16.80%Net BuyingNet Buying
BCPC89.53%2.45%Net SellingNet Selling
SXT83.19%16.81%Net SellingNet Selling
AXTA46.42%53.58%Net SellingNet Selling
NEU55.64%44.36%Net SellingNet Selling

Avantor Stock Ownership FAQ

Who owns Avantor?

Avantor (NYSE: AVTR) is owned by 101.82% institutional shareholders, 20.56% Avantor insiders, and 0.00% retail investors. Thomas Connolly is the largest individual Avantor shareholder, owning 58.88M shares representing 8.62% of the company. Thomas Connolly's Avantor shares are currently valued at $462.22M.

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