SEI INVESTMENTS CO

Position in AVTR — Avantor, Inc.

CIK 350894 OAKS, PA

Position in AVTR

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$41,456,743

-$18,606,755 QoQ

Shares Held

5,287,850

+0.9% QoQ

Ownership

0.774%

of shares outstanding

% of Portfolio

0.05%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

SEI INVESTMENTS CO holds $956,851,904 across 34 Medical Instruments & Supplies names. AVTR ranks #7 (4.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ISRG	Intuitive Surgical Inc	633,666	$292,113,688
2	WST	West Pharmaceutical Services Inc	529,261	$132,653,976
3	HOLX	HOLOGIC INC	1,195,073	$90,335,567
4	ALC	Alcon Inc	936,853	$70,591,872
5	MDLN	Medline Inc.	1,327,179	$59,059,465
6	BDX	Becton Dickinson & Co	303,582	$47,732,197
7	AVTR	Avantor, Inc. This page	5,287,850	$41,456,743
8	RGEN	Repligen Corp	272,103	$32,059,174

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$41,456,743	5,287,850	+0.9%	Shares	Defined	2026-05-13
2025-12-31	$60,063,498	5,241,143	+14.9%	Shares	Sole	2026-02-13
2025-09-30	$56,952,080	4,563,468	+3.6%	Shares	Sole	2025-11-13
2025-06-30	$59,306,899	4,406,159	+185.0%	Shares	Sole	2025-08-14
2025-03-31	$25,062,977	1,546,143	+6.3%	Shares	Sole	2025-05-14
2024-12-31	$30,646,314	1,454,500	+24.4%	Shares	Sole	2025-02-11
2024-09-30	$30,236,752	1,168,796	+19.3%	Shares	Sole	2024-11-12
2024-06-30	$20,774,812	979,944	+44.1%	Shares	Sole	2024-08-13
2024-03-31	$17,382,971	679,819	+15.8%	Shares	Sole	2024-05-07
2023-12-31	$13,399,885	586,942	-5.2%	Shares	Sole	2024-02-14
2023-09-30	$13,056,276	619,368	-39.1%	Shares	Sole	2023-11-14
2023-06-30	$20,889,303	1,017,006	-3.3%	Shares	Sole	2023-08-11
2023-03-31	$22,227,357	1,051,436	+47.0%	Shares	Sole	2023-05-12
2022-12-31	$15,084,937	715,265	-5.3%	Shares	Sole	2023-02-10
2022-09-30	$14,805,996	755,408	-5.1%	Shares	Sole	2022-11-14
2022-06-30	$24,746,859	795,719	+31.9%	Shares	Defined	2022-08-15
2022-03-31	$20,404,484	603,326	+1.1%	Shares	Defined	2022-05-13
2021-12-31	$25,141,017	596,607	+23.6%	Shares	Defined	2022-02-14
2021-09-30	$19,746,682	482,804	+8.3%	Shares	Defined	2021-11-12
2021-06-30	$15,834,227	445,909	+54.7%	Shares	Defined	2021-08-06
2021-03-31	$8,339,939	288,280	+90.2%	Shares	Defined	2021-05-12
2020-12-31	$4,265,877	151,541	+3.4%	Shares	Defined	2021-02-08
2020-09-30	$3,294,964	146,508	+43.2%	Shares	Sole	2020-12-04
2020-06-30	$1,738,760	102,280	+48.5%	Shares	Sole	2020-08-17
2020-03-31	$860,410	68,888	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.