Stephens Investment Management Group LLC

Position in RGEN — Repligen Corp

CIK 1314440 LITTLE ROCK, AR

Back to RGEN Full portfolio

Position in RGEN

as of Mar 31, 2026 · filed Apr 28, 2026 Compact

Position Value

$89,021,375

-$18,652,833 QoQ

Shares Held

755,571

+15.0% QoQ

Ownership

1.34%

of shares outstanding

% of Portfolio

1.24%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 0% Shared 93% None 7%

Common Shares in RGEN Over Time

Shares Held

Position Value (USD)

Position in Medical Instruments & Supplies

Healthcare · as of Mar 31, 2026

Stephens Investment Management Group LLC holds $184,685,507 across 4 Medical Instruments & Supplies names. RGEN ranks #1 (48.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	RGEN	Repligen Corp This page	755,571	$89,021,375
2	RMD	Resmed Inc	272,553	$61,182,697
3	AZTA	Azenta, Inc.	1,024,048	$21,638,134
4	BLFS	Biolife Solutions Inc	673,129	$12,843,301

All Filings in RGEN

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$89,021,375	755,571	+15.0%	Shares	Defined	2026-04-28
2025-12-31	$107,674,208	657,111	+9.8%	Shares	Defined	2026-02-05
2025-09-30	$79,982,246	598,356	+14.4%	Shares	Defined	2025-10-28
2025-06-30	$65,031,709	522,847	-3.1%	Shares	Defined	2025-07-30
2025-03-31	$68,651,324	539,542	+0.5%	Shares	Defined	2025-05-01
2024-12-31	$77,267,135	536,801	+7.4%	Shares	Defined	2025-01-28
2024-09-30	$74,371,902	499,744	-2.4%	Shares	Defined	2024-10-28
2024-06-30	$64,554,065	512,090	+8.6%	Shares	Defined	2024-08-06
2024-03-31	$86,760,949	471,732	-3.1%	Shares	Defined	2024-05-14
2023-12-31	$87,526,280	486,798	-3.0%	Shares	Defined	2024-02-13
2023-09-30	$79,838,602	502,098	+0.2%	Shares	Defined	2023-11-14
2023-06-30	$70,882,210	501,076	-5.2%	Shares	Defined	2023-08-15
2023-03-31	$88,972,199	528,464	-3.2%	Shares	Defined	2023-05-15
2022-12-31	$92,435,471	545,954	+0.6%	Shares	Defined	2023-02-14
2022-09-30	$101,525,511	542,598	-4.5%	Shares	Defined	2022-11-07
2022-06-30	$92,278,116	568,215	+1.4%	Shares	Defined	2022-08-03
2022-03-31	$105,351,089	560,110	+2.0%	Shares	Defined	2022-05-04
2021-12-31	$145,388,155	548,966	-1.7%	Shares	Defined	2022-02-15
2021-09-30	$161,339,360	558,287	-9.5%	Shares	Defined	2021-10-27
2021-06-30	$123,092,279	616,633	-2.3%	Shares	Defined	2021-08-09
2021-03-31	$122,709,064	631,187	+0.4%	Shares	Defined	2021-05-14
2020-12-31	$120,431,023	628,456	-6.4%	Shares	Defined	2021-02-10
2020-09-30	$99,035,487	671,245	-5.8%	Shares	Defined	2020-11-13
2020-06-30	$88,077,811	712,546	-4.8%	Shares	Defined	2020-08-24
2020-03-31	$72,274,477	748,648	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.