SEI INVESTMENTS CO

Position in RGEN — Repligen Corp

CIK 350894 OAKS, PA

Position in RGEN

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

Position Value

$32,059,174

+$2,238,622 QoQ

Shares Held

272,103

+49.5% QoQ

Ownership

0.482%

of shares outstanding

% of Portfolio

0.04%

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. RGEN ranks #8 (3.4% 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.	5,287,850	$41,456,743
8	RGEN	Repligen Corp This page	272,103	$32,059,174

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$32,059,174	272,103	+49.5%	Shares	Sole	2026-05-13
2025-12-31	$29,820,552	181,988	-15.4%	Shares	Sole	2026-02-13
2025-09-30	$28,743,861	215,036	-5.9%	Shares	Sole	2025-11-13
2025-06-30	$28,417,720	228,475	-8.9%	Shares	Sole	2025-08-14
2025-03-31	$31,901,357	250,718	+14.2%	Shares	Sole	2025-05-14
2024-12-31	$31,609,799	219,604	+12.7%	Shares	Sole	2025-02-11
2024-09-30	$29,011,267	194,942	+3.9%	Shares	Sole	2024-11-12
2024-06-30	$23,641,669	187,543	-14.3%	Shares	Sole	2024-08-13
2024-03-31	$40,225,878	218,714	-15.5%	Shares	Sole	2024-05-07
2023-12-31	$46,557,591	258,941	+2.8%	Shares	Sole	2024-02-14
2023-09-30	$40,050,961	251,877	+34.6%	Shares	Sole	2023-11-14
2023-06-30	$26,467,590	187,103	+34.6%	Shares	Sole	2023-08-11
2023-03-31	$23,409,110	139,042	+0.3%	Shares	Sole	2023-05-12
2022-12-31	$23,480,926	138,686	-6.1%	Shares	Sole	2023-02-10
2022-09-30	$27,630,533	147,670	+32.1%	Shares	Sole	2022-11-14
2022-06-30	$18,150,797	111,766	+86.5%	Shares	Sole	2022-08-15
2022-03-31	$11,269,787	59,917	+18.5%	Shares	Sole	2022-05-13
2021-12-31	$13,391,633	50,565	+21.5%	Shares	Sole	2022-02-14
2021-09-30	$12,022,561	41,602	+49.0%	Shares	Sole	2021-11-12
2021-06-30	$5,572,990	27,918	+26.3%	Shares	Sole	2021-08-06
2021-03-31	$4,298,597	22,111	+79.7%	Shares	Defined	2021-05-12
2020-12-31	$2,358,006	12,305	-23.9%	Shares	Defined	2021-02-08
2020-09-30	$2,386,015	16,172	+66.7%	Shares	Defined	2020-12-04
2020-06-30	$1,199,015	9,700	-58.0%	Shares	Defined	2020-08-17
2020-03-31	$2,230,362	23,103	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.