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

Insider buying vs selling

Have Avantor Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Corey WalkerPresident Laboratory Solutions2025-06-212,730$13.57
$37.05kSell
Gregory L. SummeDirector2025-05-2330,000$12.50
$375.00kBuy
Gregory L. SummeDirector2025-05-2220,000$12.65
$253.00kBuy
Gregory L. SummeDirector2025-05-0725,000$12.00
$300.00kBuy
Joseph R. MassaroDirector2025-04-298,100$12.30
$99.63kBuy
Jonathan M. PeacockDirector2025-04-288,091$12.81
$103.65kBuy
Gregory L. SummeDirector2025-04-2825,000$12.50
$312.50kBuy
Lan KangDirector2025-04-285,000$12.57
$62.85kBuy
Christophe CouturierEVP AMEA2025-04-05569$15.13
$8.61kSell
James BramwellEVP Sales Customer Excellence2025-02-27774$17.00
$13.16kSell

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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 Cox14.71%100,262,723$1.36BInstitution
Blackrock Inc10.67%72,736,778$984.13MInstitution
Vanguard Group Inc9.53%64,952,926$878.81MInstitution
Thomas Connolly8.64%58,881,710$796.67MInsider
Goldman Sachs Co LLC6.38%43,483,708$588.33MInsider
T Rowe Price Investment Management Inc6.16%41,969,199$567.84MInstitution
Barrow Hanley Mewhinney Strauss LLC4.44%30,257,993$409.39MInstitution
New Mountain Investments III LLC4.11%28,000,000$378.84MInsider
State Street Corp3.46%23,597,923$319.28MInstitution
Janus Henderson Group PLC2.75%18,707,301$253.11MInstitution

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AVTR vs Specialty Chemical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
AVTR83.21%16.79%Net BuyingNet Buying
EMN90.10%2.05%Net Selling
WLK1.27%98.73%Net SellingNet Buying
SQM14.64%0.01%
ALB90.15%9.85%Net Selling

Avantor Stock Ownership FAQ

Who owns Avantor?

Avantor (NYSE: AVTR) is owned by 100.18% institutional shareholders, 20.22% Avantor insiders, and 0.00% retail investors. Thomas Connolly is the largest individual Avantor shareholder, owning 58.88M shares representing 8.64% of the company. Thomas Connolly's Avantor shares are currently valued at $796.67M.

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