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Avantor, Inc.

AVTR
Exchange
NYSE
Industry
Laboratory Analytical Instruments
SEC CIK
0001722482

No open-market purchases or sales by Avantor, Inc. insiders were filed in the last 90 days; 460 institutions reported holding it in 13F filings for Q2 2026, worth $6.92B in total; superinvestors Greenhaven Associates and Southeastern Asset Management (Longleaf) hold it.

13F holders, Q3 2025

Institutional positions in Avantor, Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
466
−36 vs. Q2 2025
Shares held
678.8M
−24.7M (−3.5%) vs. Q2 2025
Total value
$8.47B
−$1.00B (−10.6%) vs. Q2 2025
New holders
74
145 more added
Sold out
110
203 more reduced

4 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting AVTR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 466 institutions
Q1 2021: 415 institutionsQ2 2021: 440 institutionsQ3 2021: 476 institutionsQ4 2021: 497 institutionsQ1 2022: 481 institutionsQ2 2022: 484 institutionsQ3 2022: 440 institutionsQ4 2022: 446 institutionsQ1 2023: 467 institutionsQ2 2023: 443 institutionsQ3 2023: 439 institutionsQ4 2023: 472 institutionsQ1 2024: 497 institutionsQ2 2024: 515 institutionsQ3 2024: 520 institutionsQ4 2024: 493 institutionsQ1 2025: 485 institutionsQ2 2025: 506 institutionsQ3 2025: 466 institutionsQ4 2025: 421 institutionsQ1 2026: 433 institutionsQ2 2026: 460 institutions
Value heldQ3 2025: $8.47B
Q1 2021: $15.8BQ2 2021: $18.9BQ3 2021: $23.0BQ4 2021: $23.6BQ1 2022: $19.4BQ2 2022: $18.5BQ3 2022: $11.6BQ4 2022: $12.5BQ1 2023: $13.0BQ2 2023: $12.6BQ3 2023: $13.3BQ4 2023: $14.8BQ1 2024: $16.5BQ2 2024: $13.8BQ3 2024: $17.7BQ4 2024: $14.4BQ1 2025: $11.2BQ2 2025: $9.58BQ3 2025: $8.47BQ4 2025: $7.97BQ1 2026: $5.30BQ2 2026: $6.92B
Institutions holding AVTR and their total value by quarter
QuarterHoldersValue
Q2 2026460$6.92B
Q1 2026433$5.30B
Q4 2025421$7.97B
Q3 2025466$8.47B
Q2 2025506$9.58B
Q1 2025485$11.2B
Q4 2024493$14.4B
Q3 2024520$17.7B
Q2 2024515$13.8B
Q1 2024497$16.5B
Q4 2023472$14.8B
Q3 2023439$13.3B
Q2 2023443$12.6B
Q1 2023467$13.0B
Q4 2022446$12.5B
Q3 2022440$11.6B
Q2 2022484$18.5B
Q1 2022481$19.4B
Q4 2021497$23.6B
Q3 2021476$23.0B
Q2 2021440$18.9B
Q1 2021415$15.8B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Avantor, Inc.; share changes are against Q2 2025.

Institutions holding AVTR in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
SG Americas Securities, LLC129,876$1.62M0.01%+92,798+250.3%Added
Zurcher Kantonalbank (Zurich Cantonalbank)135,014$1.68M0.00%−20,573−13.2%Reduced
Whittier Trust Co of Nevada Inc118,571$1.69M0.04%+506+0.4%Added
Oregon Public Employees Retirement Fund137,257$1.71M0.02%−1,442−1.0%Reduced
Neuberger Berman Group LLC138,264$1.73M0.00%+26,658+23.9%Added
Edgestream Partners, L.P.138,578$1.73M0.05%+138,578New
Ensign Peak Advisors, Inc138,896$1.73M0.00%−44,650−24.3%Reduced
New Mexico Educational Retirement Board141,800$1.77M0.05%00.0%Unchanged
KLP Kapitalforvaltning AS142,200$1.77M0.01%−102,500−41.9%Reduced
XTX Topco Ltd143,973$1.80M0.09%+143,973New
CenterBook Partners LP145,913$1.82M0.09%+19,744+15.6%Added
FIL Ltd151,525$1.89M0.00%+136,436+904.2%Added
Northwestern Mutual Investment Management Company, LLC151,957$1.90M0.03%−189−0.1%Reduced
Victory Capital Management Inc152,128$1.90M0.00%−110,024−42.0%Reduced
HighTower Advisors, LLC152,736$1.91M0.00%+90,344+144.8%Added
VisionPoint Advisory Group, LLC161,087$2.01M0.40%−141,027−46.7%Reduced
State of Michigan Retirement System162,300$2.03M0.01%−1,500−0.9%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH163,708$2.04M0.00%−216,587−57.0%Reduced
Squarepoint Ops LLC165,112$2.06M0.00%+12,447+8.2%Added
Entropy Technologies, LP167,725$2.09M0.16%+88,952+112.9%Added
HighVista Strategies LLC172,400$2.15M0.53%+172,400New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys174,967$2.18M0.01%−113−0.1%Reduced
Oppenheimer Asset Management Inc.178,858$2.23M0.02%+38,556+27.5%Added
Point72 Asia (Singapore) Pte. Ltd.180,167$2.25M0.35%+180,167New
Dean Investment Associates, LLC180,436$2.25M0.32%+180,436New
Robeco Institutional Asset Management B.V.188,308$2.35M0.00%+85,119+82.5%Added
Louisiana State Employees Retirement System189,800$2.37M0.04%−1,900−1.0%Reduced
Yousif Capital Management, LLC195,251$2.44M0.03%−13,900−6.6%Reduced
Handelsbanken Fonder AB197,300$2.46M0.01%+32,500+19.7%Added
LPL Financial LLC199,936$2.50M0.00%−68,954−25.6%Reduced
Arizona State Retirement System201,567$2.52M0.01%+2,400+1.2%Added
Public Employees Retirement System of Ohio206,386$2.58M0.01%+1,279+0.6%Added
Bank of Montreal207,861$2.59M0.00%+5,597+2.8%Added
Teachers Retirement System of the State of Kentucky216,730$2.70M0.02%−310,823−58.9%Reduced
Manhattan West Asset Management, LLC223,392$2.79M0.59%+88,241+65.3%Added
Callan Family Office, LLC227,265$2.84M0.09%+5,970+2.7%Added
Lazard Asset Management LLC232,762$2.90M0.00%−21,935−8.6%Reduced
Neo Ivy Capital Management237,414$2.96M0.72%+97,042+69.1%Added
State of New Jersey Common Pension Fund D244,278$3.05M0.01%+17,706+7.8%Added
Quantbot Technologies LP246,494$3.08M0.08%+229,293+1,333.0%Added
ExodusPoint Capital Management, LP250,123$3.12M0.04%+202,337+423.4%Added
Macquarie Group Ltd253,232$3.16M0.00%−890,251−77.9%Reduced
Whittier Trust Co223,990$3.20M0.04%−903−0.4%Reduced
North Star Asset Management Inc274,065$3.42M0.14%−15,259−5.3%Reduced
Phocas Financial Corp.280,546$3.50M0.45%+280,546New
Two Sigma Investments, LP282,882$3.53M0.01%−2,702−0.9%Reduced
Broyhill Asset Management283,884$3.54M3.11%−80,339−22.1%Reduced
Brinker Capital Investments, LLC285,419$3.56M0.03%+129,480+83.0%Added
Janus Henderson Group PLC287,406$3.59M0.00%−9,403,309−97.0%Reduced
Ontario Teachers Pension Plan Board289,022$3.61M0.08%+289,022New
Police & Firemen's Retirement System of New Jersey292,916$3.66M0.03%+40,529+16.1%Added
Moore Capital Management, LP293,594$3.66M0.07%−486,025−62.3%Reduced
Schonfeld Strategic Advisors LLC300,029$3.74M0.03%+212,399+242.4%Added
Bancreek Capital Management, LP306,252$3.82M8.02%−24,700−7.5%Reduced
Amalgamated Bank310,183$3.87M0.03%−621−0.2%Reduced
Mutual of America Capital Management LLC314,845$3.93M0.04%−24,034−7.1%Reduced
Taikang Asset Management (Hong Kong) Co Ltd314,886$3.93M0.44%+314,886New
Canada Pension Plan Investment Board318,000$3.97M0.00%00.0%Unchanged
APG Asset Management N.V.384,600$4.08M0.01%−25,379−6.2%Reduced
State of Tennessee, Treasury Department342,663$4.28M0.01%+8,399+2.5%Added
MetLife Investment Management350,050$4.37M0.02%−243,591−41.0%Reduced
Easterly Investment Partners LLC356,112$4.44M0.30%+356,112New
Advisors Capital Management, LLC356,840$4.45M0.06%+11,456+3.3%Added
Verition Fund Management LLC362,391$4.52M0.03%−60,245−14.3%Reduced
Gabelli Funds LLC370,237$4.62M0.03%−38,000−9.3%Reduced
New York State Teachers Retirement System383,415$4.79M0.01%+14,428+3.9%Added
Great West Life Assurance Co430,201$5.09M0.01%−72,274−14.4%Reduced
Winton Group Ltd409,558$5.11M0.19%+363,928+797.6%Added
New York State Common Retirement Fund421,814$5.26M0.01%+84,587+25.1%Added
Cubist Systematic Strategies, LLC423,251$5.28M0.07%−81,041−16.1%Reduced
Comerica Bank424,356$5.30M0.02%+132,386+45.3%Added
Thornburg Investment Management Inc445,773$5.56M0.07%−15,549−3.4%Reduced
State of Wisconsin Investment Board458,112$5.72M0.01%+88,674+24.0%Added
Lightrock Netherlands B.V.555,380$5.90M1.54%+52,880+10.5%Added
Sector Gamma AS477,104$5.95M1.48%+104,466+28.0%Added
Pacific Capital Partners Ltd505,158$6.30M7.02%−146,861−22.5%Reduced
Quantinno Capital Management LP533,579$6.66M0.02%−380,438−41.6%Reduced
Price T Rowe Associates Inc537,455$6.71M0.00%+31,083+6.1%Added
Treasurer of the State of North Carolina544,253$6.79M0.02%−11,779−2.1%Reduced
Weiss Asset Management LP550,608$6.87M0.10%+550,608New
DekaBank Deutsche Girozentrale628,082$7.31M0.01%00.0%Unchanged
State Board of Administration of Florida Retirement System605,156$7.55M0.01%−35,408−5.5%Reduced
California State Teachers Retirement System641,338$8.00M0.01%−547,898−46.1%Reduced
Arrowstreet Capital, Limited Partnership649,886$8.11M0.01%+525,810+423.8%Added
Reinhart Partners, Inc.687,805$8.54M0.28%+119,476+21.0%Added
Medina Singh Partners, LLC781,188$9.75M2.28%+40,880+5.5%Added
Olstein Capital Management, L.P.794,000$9.91M1.87%+115,000+16.9%Added
Connor, Clark & Lunn Investment Management Ltd.816,705$10.2M0.03%−356,057−30.4%Reduced
Retirement Systems of Alabama824,264$10.3M0.03%−8,597−1.0%Reduced
Alliancebernstein L.P.858,525$10.7M0.00%−9,450−1.1%Reduced
Envestnet Asset Management Inc889,336$11.1M0.00%+132,280+17.5%Added
Norris Perne & French LLP897,435$11.2M0.78%−14,860−1.6%Reduced
Eversept Partners, LP924,442$11.5M0.88%−601,722−39.4%Reduced
Nuveen, LLC925,297$11.5M0.00%−255,053−21.6%Reduced
California Public Employees Retirement System934,521$11.7M0.01%+5,516+0.6%Added
Walleye Capital LLC1,029,228$12.8M0.10%−867,701−45.7%Reduced
Gotham Asset Management, LLC1,047,534$13.1M0.06%+522,283+99.4%Added
Great Lakes Advisors, LLC1,075,946$13.4M0.11%−201,607−15.8%Reduced
Barclays PLC1,117,158$13.9M0.01%−2,008,122−64.3%Reduced
Legal & General Group Plc1,137,490$14.2M0.00%−1,966,157−63.3%Reduced