RHUMBLINE ADVISERS

Position in AVTR — Avantor, Inc.

CIK 1115418 BOSTON, MA

Position in AVTR

as of Mar 31, 2026 · filed May 12, 2026 Compact

Position Value

$13,002,153

-$5,984,362 QoQ

Shares Held

1,658,438

+0.1% QoQ

Ownership

0.243%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 51.24918748846806.ToString("F0")% Shared 0.ToString("F0")% None 48.75081251153194.ToString("F0")%

Healthcare · as of Mar 31, 2026

RHUMBLINE ADVISERS holds $782,194,030 across 37 Medical Instruments & Supplies names. AVTR ranks #13 (1.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ISRG	Intuitive Surgical Inc	654,353	$301,650,189
2	BDX	Becton Dickinson & Co	462,757	$72,759,283
3	RMD	Resmed Inc	323,371	$72,590,322
4	WST	West Pharmaceutical Services Inc	259,227	$64,972,655
5	HOLX	HOLOGIC INC	564,642	$42,681,288
6	COO	Cooper Companies, Inc.	381,434	$27,272,531
7	ATR	Aptargroup, Inc.	199,430	$25,132,168
8	ALGN	Align Technology Inc	128,481	$22,025,497

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$13,002,153	1,658,438	+0.1%	Shares	Sole	2026-05-12
2025-12-31	$18,986,515	1,656,764	-4.5%	Shares	Sole	2026-02-13
2025-09-30	$21,648,319	1,734,641	-9.2%	Shares	Sole	2025-11-06
2025-06-30	$25,705,975	1,909,805	+1.0%	Shares	Sole	2025-08-12
2025-03-31	$30,655,346	1,891,138	-1.6%	Shares	Sole	2025-05-29
2024-12-31	$40,504,293	1,922,368	+1.8%	Shares	Sole	2025-05-29
2024-09-30	$48,860,048	1,888,676	+140.5%	Shares	Sole	2024-11-12
2024-06-30	$16,648,232	785,294	+0.6%	Shares	Sole	2024-08-01
2024-03-31	$19,958,407	780,540	-0.9%	Shares	Sole	2024-05-09
2023-12-31	$17,982,985	787,691	+0.2%	Shares	Sole	2024-02-08
2023-09-30	$16,568,837	785,998	-1.7%	Shares	Sole	2023-11-09
2023-06-30	$16,417,149	799,277	+7.2%	Shares	Sole	2023-08-08
2023-03-31	$15,757,819	745,403	+7.1%	Shares	Sole	2023-05-11
2022-12-31	$14,683,111	696,212	+9.2%	Shares	Sole	2023-02-14
2022-09-30	$12,497,508	637,628	+7.7%	Shares	Sole	2022-11-10
2022-06-30	$18,420,996	592,315	+11.3%	Shares	Sole	2022-08-11
2022-03-31	$17,990,210	531,940	-4.7%	Shares	Sole	2022-05-12
2021-12-31	$23,528,826	558,349	+6.8%	Shares	Sole	2022-02-10
2021-09-30	$21,376,425	522,651	-0.1%	Shares	Sole	2021-11-12
2021-06-30	$18,569,918	522,949	+7.8%	Shares	Sole	2021-08-05
2021-03-31	$14,039,555	485,294	-4.5%	Shares	Sole	2021-05-06
2020-12-31	$14,302,733	508,090	+9.7%	Shares	Sole	2021-02-10
2020-09-30	$10,418,649	463,257	+0.7%	Shares	Sole	2020-11-12
2020-06-30	$7,823,536	460,208	+53.9%	Shares	Sole	2020-08-13
2020-03-31	$3,733,873	298,949	—	Shares	Sole	2020-05-06
No filing history on record for this holder in this stock.