Repligen Corporation RGEN

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178.94 USD +5.45 (+3.14%)

At closeNov 9, 2026, 4:00 PM EST

178.94 0.00 0.00%

After hours · Nov 9, 4:00 PM ET

172.39 Day range 181.02

100.99 52-week range 198.87

Held by insiders 4.63%

Held by institutions 105.67%

Float held by institutions 110.80%

Institutions 697

Top institutional holders
Holder	% held	Shares	Value	Reported
Blackrock Inc.	8.42%	5,384,938	963.58M	Jun 29, 2026
FMR, LLC	5.20%	3,326,690	595.28M	Jun 29, 2026
United Capital Financial Advisors, LLC	4.37%	2,790,650	499.36M	Jun 29, 2026
Vanguard Capital Management LLC	3.77%	2,411,171	431.45M	Jun 29, 2026
Vanguard Portfolio Management LLC	3.62%	2,312,825	413.86M	Jun 29, 2026
Maverick Capital Ltd.	3.10%	1,984,554	355.12M	Jun 29, 2026

Top mutual fund holders
Holder	% held	Shares	Value	Reported
iShares Trust-iShares Core S&P Mid-Cap ETF	3.14%	2,010,262	359.72M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund	2.66%	1,702,844	304.71M	Jun 29, 2026
VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund	1.92%	1,229,445	220.00M	Jun 29, 2026
MFS Series Trust IV-MFS Mid Cap Growth Fund	1.63%	1,044,165	186.84M	Aug 30, 2026
T. Rowe Price New Horizons Fund, Inc.	1.51%	963,028	172.32M	Jun 29, 2026
Fidelity Contrafund	1.33%	851,928	152.44M	Sep 29, 2026

RGEN insiders
Insider	Relation	Latest transaction	Date	Shares held
BYLUND JAMES	Chief Operating Officer	Stock Award(Grant)	Mar 4, 2026	25,423
DAWES KAREN A	Director	Stock Award(Grant)	May 13, 2026	92,816
DOUGLASS BRIAN ROBB	Officer	Stock Award(Grant)	Oct 5, 2026	8,685
GARLAND JASON K.	Chief Financial Officer	Sale	Jul 15, 2026	18,829
HUGHES VIOLETTA	Officer	Stock Award(Grant)	Mar 4, 2026	6,331
HUNT ANTHONY JOHN	Director	Sale	Nov 12, 2025	83,695

Held by funds