Avantor, Inc. - COMMON STOCK (AVTR)

Historical Holders from Q1 2019 to Q4 2025

Type / Class: Equity / COMMON STOCK
Symbol: AVTR on NYSE
Shares outstanding: 686,008,646
Price per share: $11.46
All holders as of 30 Sep 2025: Q3 2025
Total 13F shares as of 30 Sep 2025: 678,654,301
Total reported value: $8,466,355,040
% of total 13F portfolios: 0.02%
Share change: -32,691,892
Value change: -$444,313,640
Avg buy value change: +0.01%
Avg sell value change: -0.01%
Number of holders: 456
Price from insider filings: $11.09

Reported Shares, Excluding Options vs Price

Reported Value, Excluding Options

Total Investors

Significant Owners of Avantor, Inc. - COMMON STOCK (AVTR) based on Schedule 13D/G filings

Filer	Ownership	Change %	Holdings Value	Net Change	Nb Shares	Change %	Reporting Name	Report Period
DODGE & COX	17%	+17%	$1,558,342,333	+$242,677,965	117,433,484	+18%	Dodge & Cox	30 Jun 2025
BlackRock, Inc.	8.7%		$736,938,696		59,049,575		BlackRock, Inc.	30 Sep 2025
BARROW HANLEY MEWHINNEY & STRAUSS LLC	5.1%		$431,160,650		34,548,129		BARROW HANLEY MEWHINNEY & STRAUSS LLC	30 Sep 2025
T. Rowe Price Investment Management, Inc.	4.8%	-44%	$410,946,619	-$294,182,304	32,928,415	-42%	T. Rowe Price Investment Management, Inc.	30 Sep 2025

As of 30 Sep 2025, Avantor, Inc. - COMMON STOCK (AVTR) has 456 institutional shareholders filing 13F forms. They hold 678,654,301 shares. of 686,008,646 outstanding shares (99%) .

Top 25 institutional shareholders own 78% of the company.

Filer	Ownership	Nb Shares	Share Change %	Portfolio %	Holdings Value
Dodge & Cox	17%	117,746,888	+0.27%	0.79%	$1,469,481,162
VANGUARD GROUP INC	9.6%	65,988,977	+1.8%	0.01%	$823,542,433
BlackRock, Inc.	8.9%	60,716,987	-16%	0.01%	$757,747,993
BARROW HANLEY MEWHINNEY & STRAUSS LLC	5%	34,548,129	+11%	1.4%	$431,160,650
T. Rowe Price Investment Management, Inc.	4.8%	32,927,695	-42%	0.25%	$410,938,000
STATE STREET CORP	3%	20,365,770	-13%	0.01%	$254,164,810
Engine Capital Management, LP	2.9%	19,720,430	+258%	29%	$246,110,966
GREENHAVEN ASSOCIATES INC	2.7%	18,311,570		3.5%	$228,528,394
Invesco Ltd.	2.3%	16,053,368	+0.75%	0.03%	$200,346,033
Clarkston Capital Partners, LLC	2.2%	15,020,325	+7.4%	4%	$187,453,656
New Mountain Capital, L.L.C.	2%	14,000,000	0%	100%	$174,720,000
DIMENSIONAL FUND ADVISORS LP	2%	13,383,746	+23%	0.04%	$167,001,203
LONDON CO OF VIRGINIA	1.9%	12,793,957		0.88%	$159,668,591
GEODE CAPITAL MANAGEMENT, LLC	1.8%	12,295,686	+3.3%	0.01%	$153,479,272
MANUFACTURERS LIFE INSURANCE COMPANY, THE	1.8%	12,006,252	-25%	0.12%	$149,838,025
CITADEL ADVISORS LLC	1.2%	7,972,934	+186%	0.08%	$99,502,216
Robeco Schweiz AG	1.2%	7,920,177	-9.2%	2.2%	$98,843,809
FMR LLC	1.1%	7,621,830	+10%	0%	$95,120,445
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	1.1%	7,502,086	+28%	0.03%	$93,626,033
BANK OF AMERICA CORP /DE/	1%	6,969,143	-7%	0.01%	$86,974,905
MORGAN STANLEY	0.91%	6,251,853	-9%	0%	$78,023,136
EARNEST PARTNERS LLC	0.9%	6,196,712	+1.6%	0.34%	$77,334,966
NORTHERN TRUST CORP	0.81%	5,561,017	-15%	0.01%	$69,401,491
Holocene Advisors, LP	0.8%	5,493,677	+278%	0.16%	$68,561,089
SOUTHEASTERN ASSET MANAGEMENT INC/TN/	0.75%	5,149,420		3.3%	$64,264,762

Institutional Holders of Avantor, Inc. - COMMON STOCK (AVTR) across Reporting Periods

Period	Reported Shares, Excl. Options	Value, Excl. Options	Value Change	Puts Notional Value	Calls Notional Value	Price (% of par)	Investors
2025 Q4	24,625,750	$282,233,121	+$69,545,970			1,146%	11
2025 Q3	678,654,301	$8,466,355,040	-$444,313,640	$13,830,176	$13,850,048	1,248%	456
2025 Q2	711,592,565	$9,577,483,853	+$300,030,476	$21,126,572	$37,061,742	1,346%	499
2025 Q1	683,034,001	$11,067,691,390	-$132,627,803	$14,101,061	$22,955,366	1,621%	475
2024 Q4	684,871,402	$14,434,114,029	+$75,702,003	$138,419,327	$40,381,106	2,107%	478
2024 Q3	675,843,772	$17,455,759,876	+$46,580,697	$250,291,295	$64,013,283	2,587%	508
2024 Q2	649,890,359	$13,776,098,426	+$240,819,861	$94,547,760	$84,092,320	2,120%	498
2024 Q1	636,375,571	$16,263,067,847	-$193,049,094	$246,369,507	$41,206,055	2,557%	481
2023 Q4	6,699,785	$152,956,212	-$14,933,050			2,283%	7
2023 Q3	621,349,866	$13,093,263,458	+$405,826,072	$45,475,884	$69,928,684	2,108%	419
2023 Q2	601,418,975	$12,353,455,801	-$266,587,382	$5,313,698	$36,220,782	2,054%	425
2023 Q1	610,832,253	$12,909,441,937	+$499,583,594	$3,860,282	$50,318,242	2,114%	449
2022 Q4	588,159,668	$12,409,115,166	-$7,050,344	$3,534,684	$14,802,992	2,109%	429
2022 Q3	592,604,125	$11,620,019,195	-$1,235,793,879	$11,892,000	$69,613,080	1,960%	405
2022 Q2	592,864,858	$18,431,915,067	+$666,291,190	$3,277,000	$24,215,000	3,110%	458
2022 Q1	565,599,957	$19,140,231,239	+$305,483,131	$22,774,000	$52,854,216	3,382%	462
2021 Q4	560,299,614	$23,603,163,423	-$16,855,449	$20,792,152	$57,948,328	4,214%	480
2021 Q3	560,281,790	$22,913,018,924	+$1,215,105,954	$44,922,000	$55,496,000	4,090%	461
2021 Q2	530,904,769	$18,854,279,756	-$449,362,552	$40,805,000	$47,251,000	3,551%	425
2021 Q1	545,275,874	$15,774,037,492	+$399,119,347	$53,716,000	$52,386,000	2,893%	400
2020 Q4	527,102,300	$14,834,976,902	+$1,051,687,223	$32,921,000	$49,872,000	2,815%	373
2020 Q3	494,943,043	$11,126,915,919	+$267,894,533	$19,810,000	$29,608,000	2,249%	306
2020 Q2	481,495,467	$8,184,825,197	+$459,976,953	$4,669,000	$10,304,000	1,700%	244
2020 Q1	456,737,339	$5,704,528,551	-$203,289,386	$3,182,000	$2,028,000	1,249%	157
2019 Q4	458,292,811	$8,317,949,110	+$207,993,174	$6,420,000	$12,518,000	1,815%	156
2019 Q3	446,023,799	$6,556,403,841	+$340,324,808	$2,998,000	$5,925,000	1,470%	144
2019 Q2	418,274,833	$7,882,271,040	+$7,882,196,657	$2,928,000	$116,000	1,909%	108
2019 Q1	137	$5,000	$0			3,649.64%	1