T. Rowe Price Investment Management, Inc.

Holdings History for Avantor, Inc. - Common Stock (AVTR)

Symbol: AVTR on NYSE
Investment type: Equity / Common Stock
Latest Disclosed Shares Owned: 32,928,415 shares
Security Ownership %: 4.8%

Shares, Excluding Options vs Price

Value, Excluding Options

T. Rowe Price Investment Management, Inc. ownership in Avantor, Inc. Common Stock (AVTR)

14 Nov 2025 - T. Rowe Price Investment Management, Inc. has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 32,928,415 shares of Avantor, Inc. Common Stock (AVTR). This represents 4.8% ownership of the company. In their previous filing dated 14 Aug 2025, T. Rowe Price Investment Management, Inc. had reported owning 56,500,715 shares, indicating a decrease of +42%. .

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
T. Rowe Price Investment Management, Inc.	4.8%	-44%	$410,946,619	32,928,415	-23,572,300	-42%	$12.48	13G/A	30 Sep 2025	14 Nov 2025, 12:18
T. Rowe Price Investment Management, Inc.	8.3%	+37%	$760,499,624	56,500,715	+15,140,322	+37%	$13.46	13G/A	30 Jun 2025	14 Aug 2025, 12:12
T. Rowe Price Investment Management, Inc.	6.1%		$524,863,387	41,360,393			$12.69	13G/A	31 Dec 2024	14 Feb 2025, 09:45

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	0.23%	-0.01%	$368,231,000	32,131,843	-795,852	-2.4%	$11.46	Q4 2025
30 Sep 2025	0.25%	-0.18%	$410,938,000	32,927,695	-23,573,020	-42%	$12.48	Q3 2025
30 Jun 2025	0.48%	+0.12%	$760,500,000	56,500,715	+14,531,516	+35%	$13.46	Q2 2025
31 Mar 2025	0.45%	+0.01%	$680,321,000	41,969,199	+608,806		$16.21	Q1 2025
31 Dec 2024	0.54%	-0.33%	$871,464,000	41,360,393	-25,741,186	-38%	$21.07	Q4 2024
30 Sep 2024	1%	-0.04%	$1,735,918,000	67,101,579	-2,572,459	-3.7%	$25.87	Q3 2024
30 Jun 2024	0.93%	+0.24%	$1,477,090,000	69,674,038	+18,579,020	+36%	$21.20	Q2 2024
31 Mar 2024	0.8%	-0.02%	$1,306,500,000	51,095,018	-1,565,174	-3%	$25.57	Q1 2024
31 Dec 2023	0.78%	-0.29%	$1,202,233,000	52,660,192	-19,492,585	-27%	$22.83	Q4 2023
30 Sep 2023	1.1%	-0.01%	$1,520,981,000	72,152,777	-520,025	-0.72%	$21.08	Q3 2023
30 Jun 2023	1%	-0.05%	$1,492,700,000	72,672,802	-3,393,657	-4.5%	$20.54	Q2 2023
31 Mar 2023	1.2%	-0%	$1,608,045,000	76,066,459	-259,422	-0.34%	$21.14	Q1 2023
31 Dec 2022	1.2%	+0.3%	$1,609,713,000	76,325,881	+18,711,696	+32%	$21.09	Q4 2022
30 Sep 2022	0.9%	0%	$1,129,239,000	57,614,185	0		$19.60	Q3 2022

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.