Avantor, Inc. - COMMON STOCK (AVTR) Institutional Ownership

13F Institutional Holders and Ownership History 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
678,715,025
Total reported value
$8,466,983,860
% of total 13F portfolios
0.02%
Share change
-32,710,239
Value change
-$444,402,290
Number of holders
457
Price from insider filings
$11.46
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% $1,580,654,695 +$246,152,630 117,433,484 +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, 457 institutional investors reported holding 678,715,025 shares of Avantor, Inc. - COMMON STOCK (AVTR). This represents 99% of the company’s total 686,008,646 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Avantor, Inc. - COMMON STOCK (AVTR) together control 78% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held 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 Price (Median) Investors
2025 Q4 36,057,984 $413,321,004 +$61,935,915 $11.46 45
2025 Q3 678,715,025 $8,466,983,860 -$444,402,290 $12.48 457
2025 Q2 711,592,565 $9,577,483,853 +$300,030,432 $13.46 499
2025 Q1 683,467,494 $11,074,718,144 -$132,073,130 $16.21 478
2024 Q4 685,070,480 $14,438,300,536 -$95,405,733 $21.07 483
2024 Q3 684,590,458 $17,682,035,529 +$243,589,022 $25.87 510
2024 Q2 649,768,856 $13,773,528,614 +$68,276,264 $21.20 500
2024 Q1 644,164,856 $16,462,239,061 -$32,089,043 $25.57 487
2023 Q4 644,787,229 $14,716,873,002 +$364,043,076 $22.83 463
2023 Q3 629,709,349 $13,269,482,141 +$405,413,839 $21.08 431
2023 Q2 611,425,478 $12,558,989,066 -$69,836,367 $20.54 435
2023 Q1 614,629,411 $12,989,713,516 +$501,001,128 $21.14 459
2022 Q4 596,761,045 $12,590,517,723 -$22,511,911 $21.09 437
2022 Q3 598,788,190 $11,741,224,430 -$1,150,620,583 $19.60 415
2022 Q2 593,484,033 $18,455,240,097 +$666,504,827 $31.10 465
2022 Q1 566,658,436 $19,176,026,082 +$302,076,742 $33.82 470
2021 Q4 560,765,222 $23,622,732,066 -$22,570,959 $42.14 488
2021 Q3 560,772,641 $22,933,094,043 +$1,212,929,502 $40.90 468
2021 Q2 532,212,999 $18,900,920,057 -$441,505,223 $35.51 432
2021 Q1 545,706,851 $15,786,504,559 +$406,206,866 $28.93 403
2020 Q4 533,120,546 $15,004,177,793 +$1,081,345,527 $28.15 379
2020 Q3 495,095,893 $11,130,353,234 +$270,168,148 $22.49 311
2020 Q2 484,333,368 $8,233,072,694 +$492,129,056 $17.00 255
2020 Q1 456,886,825 $5,706,396,409 -$202,494,140 $12.49 164
2019 Q4 460,618,405 $8,359,571,874 +$219,690,359 $18.15 160
2019 Q3 446,023,799 $6,556,403,841 +$335,284,386 $14.70 144
2019 Q2 418,275,745 $7,882,288,040 +$7,882,283,094 $19.09 109
2019 Q1 137 $5,000 $36.50 1