StockData
AVTRNYSELaboratory Analytical InstrumentsFiscal year ends December 31

Avantor, Inc.

Financials through Q1 FY2026, quarter ended Mar 31, 2026Last filing: 10-Q on Jul 29, 2026
$16.29−0.13 (-0.79%)

Close on Oct 19, 2026

Market cap
$11.03B
P/E (TTM)
–
Dividend yield
–

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
100.0%
700M of 676M shares
Institutional holders
459
99 new, 66 sold out
Net institutional buying
24M
In Q2 2026
Insider trades, 12 months
8 buys · 0 sales
Net bought $8.69M

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
BlackRock, Inc.59,049,5758.70%13G (passive) amendmentSep 30, 2025
Vanguard Capital Management35,802,2635.29%13G (passive)Mar 31, 2026
Dodge & Cox117,433,48417.20%13G (passive) amendmentJun 30, 2025

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of AVTRValueChange% of portfolio
Dodge & Cox120,020,97417.75%$1.19B+372,6450.62%
BlackRock, Inc.70,281,23110.39%$695.78M+4,577,6770.01%
Vanguard Portfolio Management LLC31,343,2504.63%$310.30M+67,4030.01%
Vanguard Capital Management LLC30,802,8354.55%$304.95M+196,7230.01%
Greenhaven Associates Inc24,637,3103.64%$243.91M+2,043,4722.82%
State Street Corp21,572,9743.19%$213.57M+851,8950.01%
Dimensional Fund Advisors LP20,412,1813.02%$202.09M+3,517,5320.04%
Engine Capital Management, LP19,860,8302.94%$196.62M+80,00019.13%
Barrow Hanley Mewhinney & Strauss LLC19,735,9682.92%$195.39M−2,622,4310.59%
New Mountain Capital, L.L.C.14,000,0002.07%$138.60M–100.00%
Invesco Ltd.13,885,3602.05%$137.47M+5,811,5060.01%
Geode Capital Management, LLC13,180,5671.95%$130.52M+289,1460.01%
Marshall Wace, Llp13,130,1581.94%$129.99M+9,692,3250.10%
Aqr Capital Management LLC11,627,5661.72%$115.11M+6,760,3580.04%
Bank Of America Corp /De/10,989,3441.62%$108.79M+3,921,7810.01%
Earnest Partners LLC10,748,5251.59%$106.41M+4,723,8130.38%
London Co Of Virginia10,485,9601.55%$103.81M−366,2970.59%
Fuller & Thaler Asset Management, Inc.10,256,3451.52%$101.54M−375,7670.28%
D. E. Shaw & Co., Inc.9,571,5231.42%$94.76M−3,539,1510.05%
First Pacific Advisors, LP8,190,7401.21%$81.09M+101,7171.00%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 2026459700M100.0%99 / 189111 / 66106M81M
Q1 2026433676M99.9%91 / 168127 / 72162M138M
Q4 2025421718M100.0%65 / 116193 / 102115M75M
Q3 2025466681M100.0%75 / 144203 / 111107M140M
Q2 2025505713M100.0%92 / 217143 / 65127M111M
Q1 2025484697M100.0%63 / 196167 / 6575M61M
Q4 2024493686M100.0%62 / 170210 / 8080M80M
Q3 2024519687M100.0%80 / 207173 / 70134M55M
Q2 2024514651M96.3%75 / 190174 / 5266M64M
Q1 2024496652M96.3%64 / 207161 / 3764M62M
Q4 2023471650M96.1%86 / 162164 / 49110M89M
Q3 2023438629M93.0%52 / 181136 / 5174M51M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

FundShares% of AVTRValue% of fundAs of
Dodge & Cox Stock Fund74,871,71511.07%$741.23M0.63%Jun 30, 2026
iShares Core S&P Mid-Cap ETF23,369,1463.46%$231.35M0.19%Jun 30, 2026
Vanguard Total Stock Market Index Fund21,677,4223.21%$214.61M0.01%Jun 30, 2026
Vanguard Small-Cap Index Fund15,664,5042.32%$155.08M0.08%Jun 30, 2026
Bridge Builder Large Cap Value Fund10,911,8941.61%$108.03M0.37%Jun 30, 2026
Vanguard Small-Cap Value Index Fund9,918,8941.47%$98.20M0.14%Jun 30, 2026
Invesco Small Cap Value Fund9,615,9321.42%$132.51M1.19%Jul 31, 2026
Touchstone Funds Group Trust-Touchstone Mid Cap Fund9,518,5521.41%$94.23M2.09%Jun 30, 2026
Undiscovered Managers Behavioral Value Fund8,365,4531.24%$82.82M0.92%Jun 30, 2026
Vanguard Extended Market Index Fund7,837,8921.16%$77.60M0.08%Jun 30, 2026
Dodge & Cox Global Stock Fund7,756,6001.15%$76.79M0.59%Jun 30, 2026
U.S. Small Cap Value Portfolio6,943,5831.03%$95.68M0.49%Jul 31, 2026
Dodge & Cox Balanced Fund6,317,7000.93%$62.55M0.42%Jun 30, 2026
FPA Crescent Fund4,862,1510.72%$48.14M0.39%Jun 30, 2026
AMG Yacktman Fund4,500,0000.67%$44.55M0.61%Jun 30, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Emmanuel LignerPresident and CEO, Director737,3340.11%Aug 20, 2026
Michael StubblefieldPresident & CEO, Director1,917,5220.28%May 21, 2025
Todd W. GarnerEVP and CFO49,6880.01%Sep 23, 2026
Brittany HankamerEVP, Chief HR Officer248,8640.04%Aug 18, 2026
Steven W. EckSVP & Chief Accounting Officer129,5930.02%Aug 4, 2026
Claudius SokenuEVP, Chief Legal & Compliance251,2280.04%Jul 27, 2026
Corey WalkerPresident, VWR Dist. & Servs.384,5350.06%Jun 22, 2026
Ludovic BrellierEVP, Bioscience & Medtech146,5660.02%May 5, 2026
Benoit GourdierEVP, Bioscience & Medtech362,8590.05%Feb 25, 2026
R. Brent JonesEVP, Chief Financial Officer419,7820.06%Feb 25, 2026
Mary BlennEVP, Chief Operating Officer253,3840.04%Feb 23, 2026
Christophe CouturierEVP, AMEA211,2710.03%Aug 12, 2025
James BramwellEVP Sales, Customer Excellence86,6050.01%Feb 28, 2025
Michael SeverinoDirector85,8210.01%May 11, 2026
Mala MurthyDirector69,4790.01%May 11, 2026
Gregory L. SummeDirector483,3810.07%May 11, 2026
Sanjeev K. MehraDirector508,3760.08%May 11, 2026
Joseph R. MassaroDirector77,4080.01%May 11, 2026
Gregory T. LucierDirector94,0060.01%May 11, 2026
Louise MakinDirector47,1400.01%May 11, 2026
Simon DingemansDirector56,4950.01%May 11, 2026
Jonathan M. PeacockDirector219,8150.03%May 12, 2025
Juan AndresDirector65,4800.01%May 12, 2025
John CarethersDirector45,8580.01%May 12, 2025
Lan KangDirector52,3150.01%May 12, 2025

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Todd W. Garner
EVP and CFO
Sep 21, 2026Award+49,688––49,688
Emmanuel Ligner
President and CEO, Director
Aug 18, 2026Tax withholding−29,803$13.33$397.27K737,334
Brittany Hankamer
EVP, Chief HR Officer
Aug 14, 2026Tax withholding−181$13.66$2.47K248,864
Steven W. Eck
SVP & Chief Accounting Officer
Jul 31, 2026Tax withholding−1,385$13.78$19.09K129,593
Claudius Sokenu
EVP, Chief Legal & Compliance
Jul 24, 2026Tax withholding−1,201$11.44$13.74K251,228
Corey Walker
President, VWR Dist. & Servs.
Jun 21, 2026Tax withholding−3,010$9.58$28.84K384,535
Gregory T. Lucier
Director
May 8, 2026Buy+10,000$8.32$83.20K60,000
Mala Murthy
Director
May 7, 2026Award+25,270––69,479
Gregory T. Lucier
Director
May 7, 2026Award+25,270––34,006
Louise Makin
Director
May 7, 2026Award+25,270––47,140
Michael Severino
Director
May 7, 2026Award+25,270––85,821
Gregory L. Summe
Director
May 7, 2026Award+25,270––83,381
Joseph R. Massaro
Director
May 7, 2026Award+25,270––77,408
Simon Dingemans
Director
May 7, 2026Award+25,270––31,495
Sanjeev K. Mehra
Director
May 7, 2026Award+25,270––33,376
Ludovic Brellier
EVP, Bioscience & Medtech
May 1, 2026Award+146,566––146,566
Simon Dingemans
Director
May 1, 2026Buy+25,000$8.14$203.50K25,000
Steven W. Eck
SVP & Chief Accounting Officer
Apr 3, 2026Award+31,645––130,978
Sanjeev K. Mehra
Director
Mar 10, 2026Buy+125,000$8.01$1.00M475,000
Brittany Hankamer
EVP, Chief HR Officer
Feb 24, 2026Tax withholding−359$9.11$3.27K249,045
Steven W. Eck
SVP & Chief Accounting Officer
Feb 24, 2026Tax withholding−452$9.11$4.12K99,333
R. Brent Jones
EVP, Chief Financial Officer
Feb 23, 2026Tax withholding−2,805$8.89$24.94K419,782
Claudius Sokenu
EVP, Chief Legal & Compliance
Feb 23, 2026Tax withholding−2,376$8.89$21.12K252,429
Brittany Hankamer
EVP, Chief HR Officer
Feb 23, 2026Tax withholding−1,324$8.89$11.77K249,404
Steven W. Eck
SVP & Chief Accounting Officer
Feb 23, 2026Tax withholding−2,017$8.89$17.93K99,785
Benoit Gourdier
EVP, Bioscience & Medtech
Feb 23, 2026Tax withholding−3,029$8.89$26.93K362,859
Steven W. Eck
SVP & Chief Accounting Officer
Feb 20, 2026Tax withholding−2,125$9.03$19.19K101,802
Benoit Gourdier
EVP, Bioscience & Medtech
Feb 20, 2026Tax withholding−4,160$9.03$37.56K365,888
R. Brent Jones
EVP, Chief Financial Officer
Feb 20, 2026Tax withholding−9,506$9.03$85.84K422,587
Brittany Hankamer
EVP, Chief HR Officer
Feb 20, 2026Tax withholding−1,453$9.03$13.12K250,728
Claudius Sokenu
EVP, Chief Legal & Compliance
Feb 20, 2026Tax withholding−2,919$9.03$26.36K254,805
Corey Walker
President, VWR Dist. & Servs.
Feb 20, 2026Tax withholding−4,963$9.03$44.82K387,545
Steven W. Eck
SVP & Chief Accounting Officer
Feb 19, 2026Award+48,859––103,927
Benoit Gourdier
EVP, Bioscience & Medtech
Feb 19, 2026Award+134,364––370,048
R. Brent Jones
EVP, Chief Financial Officer
Feb 19, 2026Award+161,237––432,093
Brittany Hankamer
EVP, Chief HR Officer
Feb 19, 2026Award+80,618––252,181
Claudius Sokenu
EVP, Chief Legal & Compliance
Feb 19, 2026Award+80,618––257,724
Mary Blenn
EVP, Chief Operating Officer
Feb 19, 2026Award+235,993––253,384
Corey Walker
President, VWR Dist. & Servs.
Feb 19, 2026Award+161,237––392,508
Emmanuel Ligner
President and CEO, Director
Feb 19, 2026Award+483,713––767,137
Gregory T. Lucier
Director
Feb 19, 2026Buy+50,000$9.16$458.00K50,000
Gregory L. Summe
Director
Feb 12, 2026Buy+100,000$9.40$940.00K400,000
Simon Dingemans
Director
Jan 2, 2026Award+6,225––6,225
Sanjeev K. Mehra
Director
Dec 5, 2025Buy+350,000$11.09$3.88M350,000
Sanjeev K. Mehra
Director
Dec 5, 2025Award+8,106––8,106
Emmanuel Ligner
President and CEO, Director
Nov 17, 2025Buy+87,500$11.35$993.13K283,424
Mary Blenn
EVP, Chief Operating Officer
Nov 10, 2025Award+17,391––17,391
Gregory L. Summe
Director
Oct 30, 2025Buy+100,000$11.25$1.13M300,000
Gregory T. Lucier
Director
Oct 3, 2025Award+8,736––8,736
Benoit Gourdier
EVP, Bioscience Production
Oct 2, 2025Tax withholding−1,264$13.77$17.41K235,684
Gregory L. Summe
Director
Aug 21, 2025Buy+100,000$12.56$1.26M200,000
Emmanuel Ligner
President and CEO, Director
Aug 18, 2025Award+195,924––195,924
Brittany Hankamer
EVP, Chief HR Officer
Aug 14, 2025Tax withholding−181$12.98$2.35K171,563
Christophe Couturier
EVP, AMEA
Aug 8, 2025Award+65,217––211,271
Steven W. Eck
SVP & Chief Accounting Officer
Aug 5, 2025Sale(10b5-1 plan)−3,476$11.39$39.59K55,068
Steven W. Eck
SVP & Chief Accounting Officer
Jul 31, 2025Tax withholding−1,385$13.44$18.61K58,544
Claudius Sokenu
EVP, Chief Legal & Compliance
Jul 24, 2025Tax withholding−3,123$14.01$43.75K177,106
Corey Walker
President Laboratory Solutions
Jun 21, 2025Tax withholding−2,730$13.57$37.05K231,271
Gregory L. Summe
Director
May 23, 2025Buy+30,000$12.50$375.00K100,000
Gregory L. Summe
Director
May 22, 2025Buy+20,000$12.65$253.00K70,000

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.

Planned insider sales

Notices of proposed sale filed on Form 144 before shares are sold

SellerFiledSharesMarket valuePlanned saleAcquired through
Edwards Todd
officer
Nov 6, 202529,131$732.93KNov 6, 2025Restricted shares vest
Steven W. Eck
Officer
Aug 5, 20253,476$39.59KAug 5, 2025Restricted Stock Grant Vest
Steven W. Eck
Officer
Feb 27, 20251,033$17.57KFeb 27, 2025Restricted Stock Grant Vest
James Bramwell
Officer
Feb 27, 2025774$13.17KFeb 27, 2025Restricted stock vest
James Bramwell
Officer
Feb 26, 20253,758$65.89KFeb 26, 2025Restricted stock vest
Steven W. Eck
Officer
Feb 26, 20254,907$86.04KFeb 26, 2025Restricted Stock Grant Vest
Steven W. Eck
Officer
Sep 5, 20243,525$88.34KSep 5, 2024RSU Vesting
Michael Wondrasch
Officer
Aug 26, 202417,000$434.25KAug 26, 2024Stock Option Exercise
Christophe Couturier
Officer
Jul 31, 2024100$2.80KJul 31, 2024Restricted stock vest
Christophe Couturier
Officer
Jul 30, 202410,000$270.06KJul 30, 2024Restricted Stock Vest
Randy Lee Stone
Former officer
Jul 26, 2024143,523$3.28MJul 26, 2024Restricted stock vest
Steven W. Eck
Officer
Mar 12, 20243,685$95.00KMar 8, 2024Restricted Stock Grant Vest
Gerard Brophy
Officer
Mar 1, 2024232,267$5.81MMar 1, 2024Restricted stock vest
James Bramwell
Officer
Feb 29, 20244,910$120.42KFeb 29, 2024Restricted stock vest
Christophe Couturier
Officer
Feb 29, 202413,074$320.76KFeb 29, 2024Restricted stock vest