AVTR · NYSE · Medical - Instruments & Supplies

Avantor (AVTR)

Supplies laboratory and bioproduction workflows from research through production.

$15.02
vs last close+0.08 (+0.50%)

13F · 13D/G · Form 4

Institutions104.24%705.01M shares
470 holders · as of Jun 30, 2026
Insiders0.83%5.58M shares
24 holders · as of Aug 20, 2026
Adds to105.07%

676.36M company shares as of Aug 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

These groups come from separate filings that can overlap, so they add to 105.07%; nothing is left for Other.

13F · 13D/G · Form 4

HolderStakeSharesDate
Dodge & CoxInstitution
17.75%120.02Mas of Jun 30, 2026
BlackRock, Inc.Institution
10.39%70.28Mas of Jun 30, 2026
Vanguard Portfolio Management LLCInstitution
4.63%31.34Mas of Jun 30, 2026
Vanguard Capital Management LLCInstitution
4.55%30.80Mas of Jun 30, 2026
Greenhaven Associates IncInstitution
3.64%24.64Mas of Jun 30, 2026
State Street CorpInstitution
3.19%21.57Mas of Jun 30, 2026
Dimensional Fund Advisors LPInstitution
3.02%20.41Mas of Jun 30, 2026
Engine Capital Management, LPInstitution
2.94%19.86Mas of Jun 30, 2026
Barrow Hanley Mewhinney & Strauss LLCInstitution
2.92%19.74Mas of Jun 30, 2026
New Mountain Capital, L.L.C.Institution
2.07%14.00Mas of Jun 30, 2026
Invesco Ltd.Institution
2.05%13.89Mas of Jun 30, 2026
Geode Capital Management, LLCInstitution
1.95%13.18Mas of Jun 30, 2026
Marshall Wace, LLPInstitution
1.94%13.13Mas of Jun 30, 2026
AQR Capital Management LLCInstitution
1.72%11.63Mas of Jun 30, 2026
Bank of America Corp /DE/Institution
1.62%10.99Mas of Jun 30, 2026
Earnest Partners LLCInstitution
1.59%10.75Mas of Jun 30, 2026
London Co of VirginiaInstitution
1.55%10.49Mas of Jun 30, 2026
Fuller & Thaler Asset Management, Inc.Institution
1.52%10.26Mas of Jun 30, 2026
D. E. Shaw & Co., Inc.Institution
1.42%9.57Mas of Jun 30, 2026
First Pacific Advisors, LPInstitution
1.21%8.19Mas of Jun 30, 2026
SEI Investments CoInstitution
1.17%7.95Mas of Jun 30, 2026
FMR LLCInstitution
1.16%7.85Mas of Jun 30, 2026
Gendell Jeffrey LInstitution
1.12%7.61Mas of Jun 30, 2026
Vaughan Nelson Investment Management, L.P.Institution
1.09%7.39Mas of Jun 30, 2026
Clarkston Capital Partners, LLCInstitution
1.00%6.79Mas of Jun 30, 2026

13F, as of Jun 30, 2026

470 holders · 705.01M shares · 99 new positions · 289 increased · 112 reduced · 71 closed

HolderShares% outstandingChg q/qFiled
Dodge & Cox120.02M17.75%+372.6KAug 13, 2026
BlackRock, Inc.70.28M10.39%+4.58MAug 7, 2026
Vanguard Portfolio Management LLC31.34M4.63%+67.4KAug 13, 2026
Vanguard Capital Management LLC30.80M4.55%+196.7KAug 13, 2026
Greenhaven Associates Inc24.64M3.64%+2.04MJul 28, 2026
State Street Corp21.57M3.19%+851.9KAug 7, 2026
Dimensional Fund Advisors LP20.41M3.02%+3.52MAug 11, 2026
Engine Capital Management, LP19.86M2.94%+80.0KAug 14, 2026

13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Dodge & Cox17.20%117.43M13GAug 13, 2025
BlackRock, Inc.8.70%59.05M13GOct 17, 2025
Vanguard Capital Management5.29%35.80M13GApr 29, 2026

Form 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
May 8, 2026
Gregory T. Lucierdirector
Purchase10,000$8.3260,000
May 1, 2026
Simon Dingemansdirector
Purchase25,000$8.1425,000
Mar 10, 2026
Sanjeev K. Mehradirector
Purchase125,000$8.01475,000
Feb 19, 2026
Gregory T. Lucierdirector
Purchase50,000$9.1650,000
Feb 12, 2026
Gregory L. Summedirector
Purchase100,000$9.40400,000
Dec 5, 2025
Sanjeev K. Mehradirector
Purchase350,000$11.09350,000
Nov 17, 2025
Emmanuel Lignerdirector, officer: President and CEO
Purchase87,500$11.35283,424
Oct 30, 2025
Gregory L. Summedirector
Purchase100,000$11.25300,000

House and Senate disclosures

Not reported.