Repligen Corporation RGEN

Set alert

173.49 USD +5.01 (+2.97%)

At closeNov 6, 2026, 4:00 PM EST

173.49 0.00 0.00%

After hours · Nov 6, 4:00 PM ET

168.05 Day range 175.00

100.99 52-week range 198.87

Held by insiders 4.63%

Held by institutions 104.58%

Float held by institutions 109.66%

Institutions 698

Top institutional holders
Holder	% held	Shares	Value	Reported
Blackrock Inc.	8.42%	5,384,938	934.23M	Jun 29, 2026
FMR, LLC	5.20%	3,326,690	577.15M	Jun 29, 2026
United Capital Financial Advisors, LLC	4.37%	2,790,650	484.15M	Jun 29, 2026
Vanguard Capital Management LLC	3.77%	2,411,171	418.31M	Jun 29, 2026
Vanguard Portfolio Management LLC	3.62%	2,312,825	401.25M	Jun 29, 2026
Maverick Capital Ltd.	3.10%	1,984,554	344.30M	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	348.76M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund	2.66%	1,702,844	295.43M	Jun 29, 2026
VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund	1.92%	1,229,445	213.30M	Jun 29, 2026
MFS Series Trust IV-MFS Mid Cap Growth Fund	1.63%	1,044,165	181.15M	Aug 30, 2026
T. Rowe Price New Horizons Fund, Inc.	1.51%	963,028	167.08M	Jun 29, 2026
Fidelity Contrafund	1.33%	851,928	147.80M	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

Ownership