RGEN Insider Trading

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Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 1.20%

Insider Buying (Last 12 Months): $487,610.60

Insider Selling (Last 12 Months): $7,342,936.94

Repligen Insider Trading History Chart

Repligen Share Price & Price History

^$133.41

▼ -3.71 (-2.71%)

As of 03/28/2025 05:00 PM ET

Days: 30 | 90 | 365

Repligen Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
3/17/2025	Margaret Pax	Director	Buy	250	$150.69	$37,672.50	1,043
9/10/2024	Anthony Hunt	Director	Sell	22,191	$145.37	$3,225,905.67	139,840
8/1/2024	Ralf Kuriyel	VP	Sell	4,465	$165.67	$739,716.55	19,261
6/14/2024	Anthony Hunt	CEO	Buy	2,000	$124.08	$248,160.00	165,177
6/14/2024	Martin D. Madaus	Director	Buy	1,615	$124.94	$201,778.10	4,613
5/21/2024	Anthony Hunt	CEO	Sell	20,072	$168.26	$3,377,314.72	163,177
3/11/2024	Ralf Kuriyel	VP	Sell	3,517	$193.73	$681,348.41	24,260
3/8/2024	Anthony Hunt	CEO	Sell	16,707	$197.44	$3,298,630.08	185,249
2/27/2024	Karen A. Dawes	Director	Sell	1,000	$193.35	$193,350.00	87,367
2/23/2024	James Bylund	COO	Sell	4,373	$198.08	$866,203.84	14,135
11/10/2023	Christine Gebski	Insider	Sell	3,788	$147.13	$557,328.44	28,787
8/29/2023	Karen A. Dawes	Director	Sell	850	$171.38	$145,673.00	83,741
5/8/2023	Martin D. Madaus	Director	Buy	500	$156.18	$78,090.00	1,611
5/4/2023	Martin D. Madaus	Director	Buy	500	$161.15	$80,575.00	611
11/11/2022	Anthony Hunt	CEO	Sell	25,000	$200.00	$5,000,000.00	178,265
9/9/2022	Karen A. Dawes	Director	Sell	775	$227.17	$176,056.75	76,401
9/8/2022	Anthony Hunt	CEO	Sell	26,402	$224.73	$5,933,321.46	178,265
8/16/2022	Jon Snodgres	CFO	Sell	6,698	$252.86	$1,693,656.28	34,506
8/11/2022	Ralf Kuriyel	VP	Sell	4,840	$254.32	$1,230,908.80	19,270
8/4/2022	Christine Gebski	Insider	Sell	3,357	$243.01	$815,784.57	30,735
8/3/2022	James Bylund	COO	Sell	2,000	$240.40	$480,800.00	9,733
8/1/2022	Jon Snodgres	CFO	Sell	2,000	$220.00	$440,000.00	37,187
7/21/2022	Anthony Hunt	CEO	Sell	24,802	$200.00	$4,960,400.00	194,667
5/25/2022	Karen A. Dawes	Director	Sell	14,715	$150.51	$2,214,754.65	76,532
3/16/2022	Carrie Eglinton Manner	Director	Buy	625	$175.02	$109,387.50	2,106

See Full Table

SEC Filings (Institutional Ownership Changes) for Repligen (NASDAQ:RGEN)

97.64% of Repligen stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

Repligen Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
3/18/2025	California State Teachers Retirement System	49,972	$7.19M	0.0%	-0.9%	0.089%
2/25/2025	Polar Asset Management Partners Inc.	6,900	$0.99M	0.0%	+76.9%	0.012%
2/19/2025	North Star Asset Management Inc.	90,127	$12.97M	0.6%	-2.2%	0.161%
2/19/2025	Public Employees Retirement System of Ohio	19,279	$2.78M	0.0%	-5.3%	0.034%
2/18/2025	GTS Securities LLC	1,833	$0.26M	0.0%	N/A	0.003%
2/18/2025	Gordian Capital Singapore Pte Ltd	1,800	$0.26M	0.1%	N/A	0.003%
2/18/2025	AWM Investment Company Inc.	65,000	$9.36M	1.1%	-7.1%	0.116%
2/18/2025	Castleark Management LLC	14,900	$2.15M	0.1%	-3.9%	0.027%
2/17/2025	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	235,343	$33.88M	0.0%	+12.8%	0.420%
2/17/2025	Squarepoint Ops LLC	14,291	$2.06M	0.0%	-85.1%	0.026%
2/17/2025	Two Sigma Advisers LP	134,800	$19.40M	0.0%	+6.7%	0.241%
2/17/2025	Two Sigma Investments LP	359,039	$51.68M	0.1%	-17.7%	0.641%
2/17/2025	Tidal Investments LLC	4,437	$0.64M	0.0%	-60.2%	0.008%
2/17/2025	Teza Capital Management LLC	2,921	$0.42M	0.1%	-78.6%	0.005%
2/17/2025	Thornburg Investment Management Inc.	35,366	$5.09M	0.1%	-1.4%	0.063%
2/17/2025	Raiffeisen Bank International AG	200	$29K	0.0%	N/A	0.000%
2/17/2025	Point72 Asia Singapore Pte. Ltd.	206	$30K	0.0%	-98.5%	0.000%
2/17/2025	Point72 Asset Management L.P.	918,623	$132.23M	0.3%	+183.1%	1.640%
2/17/2025	Polar Asset Management Partners Inc.	6,900	$0.99M	0.0%	+76.9%	0.012%
2/17/2025	ProShare Advisors LLC	2,438	$0.35M	0.0%	+7.4%	0.004%
2/17/2025	Quantinno Capital Management LP	3,523	$0.51M	0.0%	+80.0%	0.006%
2/17/2025	Nuveen Asset Management LLC	291,537	$41.96M	0.0%	-13.0%	0.520%
2/17/2025	LMR Partners LLP	22,756	$3.28M	0.0%	-5.8%	0.041%
2/17/2025	LRT Capital Management LLC	4,274	$0.62M	0.5%	+6.9%	0.008%
2/17/2025	Integral Health Asset Management LLC	40,000	$5.76M	0.5%	N/A	0.071%
2/17/2025	Gotham Asset Management LLC	6,702	$0.97M	0.0%	-78.5%	0.012%
2/17/2025	Granahan Investment Management LLC	107,415	$15.46M	0.6%	+21.7%	0.192%
2/17/2025	Ensign Peak Advisors Inc	138,069	$19.87M	0.0%	-0.8%	0.246%
2/17/2025	FORA Capital LLC	1,413	$0.20M	0.0%	N/A	0.003%
2/17/2025	Fred Alger Management LLC	359,507	$51.75M	0.2%	-9.8%	0.642%
2/17/2025	Cresset Asset Management LLC	1,432	$0.21M	0.0%	-45.2%	0.003%
2/17/2025	Cetera Investment Advisers	3,029	$0.44M	0.0%	-11.4%	0.005%
2/17/2025	Bridgefront Capital LLC	3,904	$0.56M	0.2%	N/A	0.007%
2/17/2025	Baird Financial Group Inc.	354,237	$50.99M	0.1%	-7.4%	0.632%
2/17/2025	Bamco Inc. NY	160,227	$23.06M	0.1%	-4.1%	0.286%
2/17/2025	Bayesian Capital Management LP	6,578	$0.95M	0.1%	N/A	0.012%
2/17/2025	Bank of America Corp DE	277,947	$40.01M	0.0%	-36.3%	0.496%
2/17/2025	Algert Global LLC	5,865	$0.84M	0.0%	N/A	0.010%
2/17/2025	Ameriprise Financial Inc.	929,090	$133.73M	0.0%	-2.6%	1.658%
2/17/2025	Alyeska Investment Group L.P.	371,180	$53.43M	0.2%	N/A	0.662%
2/14/2025	Mercer Global Advisors Inc. ADV	1,855	$0.27M	0.0%	-35.9%	0.003%
2/14/2025	Itau Unibanco Holding S.A.	280	$40K	0.0%	N/A	0.000%
2/14/2025	Comerica Bank	84,392	$12.15M	0.0%	-0.7%	0.151%
2/14/2025	Utah Retirement Systems	9,294	$1.34M	0.0%	+1.1%	0.017%
2/14/2025	First Light Asset Management LLC	82,455	$11.87M	1.1%	-50.3%	0.147%
2/14/2025	Northern Trust Corp	493,713	$71.07M	0.0%	+26.0%	0.881%
2/14/2025	The Manufacturers Life Insurance Company	64,199	$9.24M	0.0%	-3.7%	0.115%
2/14/2025	NZS Capital LLC	133,694	$19.24M	0.8%	+4.6%	0.239%
2/14/2025	Susquehanna Fundamental Investments LLC	4,000	$0.58M	0.0%	N/A	0.007%
2/14/2025	Coldstream Capital Management Inc.	2,332	$0.34M	0.0%	+6.3%	0.004%
2/14/2025	T. Rowe Price Investment Management Inc.	159,057	$22.90M	0.0%	+474.0%	0.284%
2/14/2025	Pinebridge Investments L.P.	18,110	$2.61M	0.0%	+42.7%	0.032%
2/14/2025	Price T Rowe Associates Inc. MD	7,136,054	$1.03B	0.1%	+11.6%	12.736%
2/14/2025	Eversept Partners LP	54,066	$7.78M	0.7%	-67.0%	0.096%
2/14/2025	IHT Wealth Management LLC	1,435	$0.21M	0.0%	-48.1%	0.003%
2/14/2025	Stifel Financial Corp	4,939	$0.71M	0.0%	+12.1%	0.009%
2/14/2025	State of Tennessee Department of Treasury	18,426	$2.65M	0.0%	-2.7%	0.033%
2/14/2025	Teachers Retirement System of The State of Kentucky	15,598	$2.25M	0.0%	-4.9%	0.028%
2/14/2025	Tower Research Capital LLC TRC	6,718	$0.97M	0.0%	+89.2%	0.012%
2/14/2025	MetLife Investment Management LLC	29,774	$4.29M	0.0%	+8.9%	0.053%
2/14/2025	Ossiam	3,583	$0.52M	0.0%	-23.6%	0.006%
2/14/2025	Curi RMB Capital LLC	111,803	$16.09M	0.4%	-1.2%	0.200%
2/14/2025	Dimensional Fund Advisors LP	580,485	$83.56M	0.0%	+28.0%	1.036%
2/14/2025	First Trust Advisors LP	285,561	$41.10M	0.0%	-5.0%	0.510%
2/13/2025	CANADA LIFE ASSURANCE Co	41,175	$5.92M	0.0%	+17.7%	0.073%
2/13/2025	Champlain Investment Partners LLC	1,543,530	$222.18M	1.4%	+8.6%	2.755%
2/13/2025	Canada Pension Plan Investment Board	5,500	$0.79M	0.0%	N/A	0.010%
2/13/2025	Osterweis Capital Management Inc.	61,685	$8.88M	0.4%	+15.4%	0.110%
2/13/2025	Farringdon Capital Ltd.	1,558	$0.22M	0.1%	N/A	0.003%
2/13/2025	Marshall Wace LLP	412,235	$59.34M	0.1%	+73.8%	0.736%
2/13/2025	Guggenheim Capital LLC	1,575	$0.23M	0.0%	-6.6%	0.003%
2/13/2025	XTX Topco Ltd	9,640	$1.39M	0.1%	N/A	0.017%
2/13/2025	Synovus Financial Corp	6,538	$0.94M	0.0%	N/A	0.012%
2/13/2025	Summit Investment Advisors Inc.	14,633	$2.11M	1.9%	-1.7%	0.026%
2/13/2025	Granite Investment Partners LLC	31,311	$4.51M	0.2%	-13.4%	0.056%
2/13/2025	12 West Capital Management LP	246,875	$35.54M	3.7%	-2.4%	0.441%
2/13/2025	Townsquare Capital LLC	15,004	$2.16M	0.0%	+6.4%	0.027%
2/13/2025	Sterling Capital Management LLC	2,982	$0.43M	0.0%	+51.8%	0.005%
2/13/2025	Treasurer of the State of North Carolina	24,500	$3.53M	0.0%	+0.7%	0.044%
2/13/2025	Bessemer Group Inc.	248,689	$35.80M	0.1%	-2.5%	0.444%
2/13/2025	Ranger Investment Management L.P.	226,067	$32.54M	2.1%	-1.9%	0.403%
2/13/2025	Raymond James Financial Inc.	364,681	$52.49M	0.0%	N/A	0.651%
2/13/2025	Legal & General Group Plc	81,904	$11.79M	0.0%	-6.5%	0.146%
2/13/2025	Cerity Partners LLC	4,197	$0.61M	0.0%	-24.3%	0.007%
2/13/2025	Federated Hermes Inc.	5,266	$0.76M	0.0%	-98.4%	0.009%
2/13/2025	Peapack Gladstone Financial Corp	2,089	$0.30M	0.0%	+5.2%	0.004%
2/13/2025	Quadrant Capital Group LLC	377	$54K	0.0%	-21.6%	0.001%
2/13/2025	Russell Investments Group Ltd.	58,172	$8.37M	0.0%	+1.2%	0.104%
2/13/2025	Envestnet Asset Management Inc.	106,442	$15.32M	0.0%	-5.2%	0.190%
2/13/2025	Dynamic Technology Lab Private Ltd	2,760	$0.40M	0.1%	N/A	0.005%
2/13/2025	Rhenman & Partners Asset Management AB	9,000	$1.30M	0.1%	-10.0%	0.016%
2/13/2025	Pilgrim Partners Asia Pte Ltd	380	$55K	0.0%	N/A	0.001%
2/13/2025	Oarsman Capital Inc.	604	$87K	0.0%	-11.8%	0.001%
2/12/2025	Pitcairn Co.	4,454	$0.64M	0.0%	-2.8%	0.008%
2/12/2025	DF Dent & Co. Inc.	563,280	$81.08M	1.0%	-4.6%	1.005%
2/12/2025	ExodusPoint Capital Management LP	213,718	$30.76M	0.2%	+122.8%	0.381%
2/12/2025	Westpac Banking Corp	21,725	$3.13M	0.2%	+17.9%	0.039%
2/12/2025	Cynosure Group LLC	1,992	$0.29M	0.0%	-30.8%	0.004%
2/12/2025	Cinctive Capital Management LP	61,398	$8.84M	0.4%	+717.1%	0.110%
2/12/2025	Groupama Asset Managment	403,932	$58.14M	0.4%	+12,321.0%	0.721%

Data available starting January 2016

See Full Table

Repligen Corporation develops and commercializes bioprocessing technologies and systems for use in biological drug manufacturing process in North America, Europe, the Asia Pacific, and internationally. It offers Protein A ligands that are the binding components of Protein A affinity chromatography resins; and cell culture growth factor products. The company's chromatography products include OPUS pre-packed chromatography columns, which are used in the purification of biologics; and OPUS smaller-scale columns that are used in the high throughput process development screening, viral clearance validation studies, and scale down validation of chromatography processes. It also offers ELISA test kits; and chromatography resins under the CaptivA brand. In addition, the company provides filtration products, such as XCell Alternating Tangential Flow systems that are filtration devices used in upstream perfusion and cell culture processing; TangenX flat sheet cassettes, which are used in downstream biologic drug concentration, buffer exchange, and formulation processes; KrosFlo tangential flow filtration and tangential flow depth filtration systems; Spectra/Por laboratory and process dialysis products, and ProConnex TFDF flow paths. Further, it provides process analytics products, such as slope spectroscopy systems under the SoloVPE, FlowVPE, and FlowVPX brands. The company sells its products to life sciences, biopharmaceutical, and diagnostics companies; laboratory researchers; and contract manufacturing organizations. Repligen Corporation has collaboration agreements with Navigo Proteins GmbH to develop multiple affinity ligands. The company was incorporated in 1981 and is headquartered in Waltham, Massachusetts.

Today's Range

Now: $133.41

$130.41

$137.05

50 Day Range

MA: $154.21

$133.41

$174.24

52 Week Range

Now: $133.41

$113.50

$184.98

Volume

856,653 shs

Average Volume

673,469 shs

Market Capitalization

$7.49 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.95

Who are the company insiders with the largest holdings of Repligen?: Repligen's top insider investors include:
Anthony Hunt (CEO)
Anthony Hunt (Director)
Karen A Dawes (Director)
Christine Gebski (Insider)
Ralf Kuriyel (VP)
James Bylund (COO)
Martin D Madaus (Director)
Margaret Pax (Director)
Learn More about top insider investors at Repligen.
Who are the major institutional investors of Repligen?: Repligen's top institutional shareholders include:
Price T Rowe Associates Inc. MD — 12.74%
Vanguard Group Inc. — 9.10%
Champlain Investment Partners LLC — 2.75%
Impax Asset Management Group plc — 1.88%
Alliancebernstein L.P. — 1.80%
Conestoga Capital Advisors LLC — 1.69%
Learn More about top institutional investors of Repligen stock.
Which institutional investors are selling Repligen stock?: Within the last quarter, RGEN stock was sold by these institutional investors:
Federated Hermes Inc.
Bank of America Corp DE
Eversept Partners LP
First Light Asset Management LLC
Squarepoint Ops LLC
Two Sigma Investments LP
Riverbridge Partners LLC
Nuveen Asset Management LLC
During the last year, company insiders that have sold Repligen company stock include:
Anthony Hunt (CEO)
Anthony Hunt (Director)
Karen A Dawes (Director)
Learn More investors selling Repligen stock.
Which institutional investors are buying Repligen stock?: During the previous quarter, RGEN stock was bought by institutional investors including:
Price T Rowe Associates Inc. MD
Point72 Asset Management L.P.
Groupama Asset Managment
Alyeska Investment Group L.P.
Raymond James Financial Inc.
Raymond James Financial Inc.
Allspring Global Investments Holdings LLC
Alliancebernstein L.P.
Within the previous year, these company insiders have bought Repligen stock:
Anthony Hunt (CEO)
Anthony Hunt (Director)
Karen A Dawes (Director)
Learn More investors buying Repligen stock.