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Comparative Price Performance Over Time

Compare Stocks - Price & Volume

CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
CRISPR Therapeutics AG stock logo
CRSP
CRISPR Therapeutics
$56.41
+1.3%
$72.54
$37.55
$91.10
$4.79B1.761.83 million shs1.19 million shs
Denali Therapeutics Inc. stock logo
DNLI
Denali Therapeutics
$16.11
+0.8%
$19.17
$15.45
$33.31
$2.30B1.331.18 million shs1.08 million shs
Neurocrine Biosciences, Inc. stock logo
NBIX
Neurocrine Biosciences
$140.09
+4.8%
$136.21
$89.04
$148.37
$13.94B0.25849,997 shs1.61 million shs
Novavax, Inc. stock logo
NVAX
Novavax
$4.19
+2.9%
$4.70
$3.53
$11.36
$586.39M1.597.55 million shs3.58 million shs
Repligen Co. stock logo
RGEN
Repligen
$171.28
+8.8%
$187.16
$110.45
$211.13
$9.56B1.02538,659 shs928,604 shs
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Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
CRISPR Therapeutics AG stock logo
CRSP
CRISPR Therapeutics
+1.11%-5.21%-22.27%-15.91%+7.02%
Denali Therapeutics Inc. stock logo
DNLI
Denali Therapeutics
-0.06%-10.37%-18.50%-6.49%-36.35%
Neurocrine Biosciences, Inc. stock logo
NBIX
Neurocrine Biosciences
+1.26%+1.46%-5.49%-4.81%+28.31%
Novavax, Inc. stock logo
NVAX
Novavax
+2.52%-1.21%-13.40%-4.46%-53.11%
Repligen Co. stock logo
RGEN
Repligen
+0.22%-5.35%-20.48%-15.81%-5.18%

MarketRank™

CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & Valuation
CRISPR Therapeutics AG stock logo
CRSP
CRISPR Therapeutics
2.4477 of 5 stars
4.21.00.00.01.82.50.6
Denali Therapeutics Inc. stock logo
DNLI
Denali Therapeutics
3.7282 of 5 stars
3.51.00.04.72.52.50.0
Neurocrine Biosciences, Inc. stock logo
NBIX
Neurocrine Biosciences
4.4588 of 5 stars
2.34.00.02.92.72.53.1
Novavax, Inc. stock logo
NVAX
Novavax
3.8342 of 5 stars
3.53.00.04.71.40.80.6
Repligen Co. stock logo
RGEN
Repligen
3.8033 of 5 stars
2.41.00.04.52.52.51.9

Analyst Ratings

CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
CRISPR Therapeutics AG stock logo
CRSP
CRISPR Therapeutics
2.38
Hold$76.2935.23% Upside
Denali Therapeutics Inc. stock logo
DNLI
Denali Therapeutics
3.00
Buy$41.22155.88% Upside
Neurocrine Biosciences, Inc. stock logo
NBIX
Neurocrine Biosciences
2.73
Moderate Buy$139.67-0.30% Downside
Novavax, Inc. stock logo
NVAX
Novavax
3.00
Buy$17.00305.73% Upside
Repligen Co. stock logo
RGEN
Repligen
2.89
Moderate Buy$196.7014.84% Upside

Current Analyst Ratings

Latest NBIX, NVAX, CRSP, RGEN, and DNLI Analyst Ratings

DateCompanyBrokerageActionRatingPrice TargetDetails
4/23/2024
Neurocrine Biosciences, Inc. stock logo
NBIX
Neurocrine Biosciences
Needham & Company LLC
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingHold
4/18/2024
CRISPR Therapeutics AG stock logo
CRSP
CRISPR Therapeutics
Citigroup
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Boost Price TargetBuy ➝ Buy$88.00 ➝ $89.00
4/17/2024
Neurocrine Biosciences, Inc. stock logo
NBIX
Neurocrine Biosciences
Wedbush
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingOutperform ➝ Outperform$147.00
4/11/2024
CRISPR Therapeutics AG stock logo
CRSP
CRISPR Therapeutics
Needham & Company LLC
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingBuy ➝ Buy$90.00
4/10/2024
Neurocrine Biosciences, Inc. stock logo
NBIX
Neurocrine Biosciences
Cantor Fitzgerald
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingOverweight ➝ Overweight$155.00
4/9/2024
Denali Therapeutics Inc. stock logo
DNLI
Denali Therapeutics
UBS Group
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetBuy ➝ Buy$70.00 ➝ $32.00
3/20/2024
Neurocrine Biosciences, Inc. stock logo
NBIX
Neurocrine Biosciences
JPMorgan Chase & Co.
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Boost Price TargetOverweight ➝ Overweight$148.00 ➝ $158.00
3/6/2024
CRISPR Therapeutics AG stock logo
CRSP
CRISPR Therapeutics
Mizuho
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Boost Price TargetBuy ➝ Buy$82.00 ➝ $99.00
3/1/2024
Novavax, Inc. stock logo
NVAX
Novavax
HC Wainwright
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetBuy ➝ Buy$35.00 ➝ $19.00
2/29/2024
Denali Therapeutics Inc. stock logo
DNLI
Denali Therapeutics
The Goldman Sachs Group
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetBuy ➝ Buy$73.00 ➝ $50.00
2/28/2024
Denali Therapeutics Inc. stock logo
DNLI
Denali Therapeutics
HC Wainwright
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetBuy ➝ Buy$105.00 ➝ $95.00
(Data available from 4/23/2021 forward. View 10+ years of historical ratings with our analyst ratings screener.)

Sales & Book Value

CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
CRISPR Therapeutics AG stock logo
CRSP
CRISPR Therapeutics
$371.21M12.90N/AN/A$23.70 per share2.38
Denali Therapeutics Inc. stock logo
DNLI
Denali Therapeutics
$330.53M6.95N/AN/A$7.42 per share2.17
Neurocrine Biosciences, Inc. stock logo
NBIX
Neurocrine Biosciences
$1.89B7.39$2.74 per share51.18$22.72 per share6.17
Novavax, Inc. stock logo
NVAX
Novavax
$983.71M0.60N/AN/A($6.04) per share-0.69
Repligen Co. stock logo
RGEN
Repligen
$638.76M14.97$3.30 per share51.93$35.31 per share4.85

Profitability & Earnings

CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
CRISPR Therapeutics AG stock logo
CRSP
CRISPR Therapeutics
-$153.61M-$1.96N/AN/AN/AN/A-8.09%-6.73%5/13/2024 (Estimated)
Denali Therapeutics Inc. stock logo
DNLI
Denali Therapeutics
-$145.22M-$1.08N/AN/AN/A-36.51%-13.50%-11.38%5/13/2024 (Estimated)
Neurocrine Biosciences, Inc. stock logo
NBIX
Neurocrine Biosciences
$249.70M$2.4257.8922.06N/A13.23%12.85%9.02%5/1/2024 (Confirmed)
Novavax, Inc. stock logo
NVAX
Novavax
-$545.06M-$5.53N/AN/AN/A-55.41%N/A-32.63%5/14/2024 (Estimated)
Repligen Co. stock logo
RGEN
Repligen
$41.58M$0.72237.8981.955.156.51%5.00%3.78%5/1/2024 (Confirmed)

Latest NBIX, NVAX, CRSP, RGEN, and DNLI Earnings

DateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails
5/1/2024N/A
Neurocrine Biosciences, Inc. stock logo
NBIX
Neurocrine Biosciences
$1.04N/A-$1.04N/AN/AN/A  
5/1/2024N/A
Repligen Co. stock logo
RGEN
Repligen
$0.29N/A-$0.29N/AN/AN/A  
2/28/2024Q4 2023
Novavax, Inc. stock logo
NVAX
Novavax
-$0.49-$1.44-$0.95-$1.44$310.96 million$291.34 million      
2/27/2024Q4 2023
Denali Therapeutics Inc. stock logo
DNLI
Denali Therapeutics
-$0.81-$0.86-$0.05-$0.86$3.38 millionN/A
2/21/2024Q4 2023
CRISPR Therapeutics AG stock logo
CRSP
CRISPR Therapeutics
$0.15$1.10+$0.95$1.10$148.72 million$201.20 million
2/21/2024Q4 2023
Repligen Co. stock logo
RGEN
Repligen
$0.33$0.33N/A$1.12$155.38 million$155.74 million    
2/7/2024Q4 2023
Neurocrine Biosciences, Inc. stock logo
NBIX
Neurocrine Biosciences
$1.13$1.44+$0.31$1.44$518.52 million$515.20 million      

Dividends

CompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive Growth
CRISPR Therapeutics AG stock logo
CRSP
CRISPR Therapeutics
N/AN/AN/AN/AN/A
Denali Therapeutics Inc. stock logo
DNLI
Denali Therapeutics
N/AN/AN/AN/AN/A
Neurocrine Biosciences, Inc. stock logo
NBIX
Neurocrine Biosciences
N/AN/AN/AN/AN/A
Novavax, Inc. stock logo
NVAX
Novavax
N/AN/AN/AN/AN/A
Repligen Co. stock logo
RGEN
Repligen
N/AN/AN/AN/AN/A

Debt

CompanyDebt-to-Equity RatioCurrent RatioQuick Ratio
CRISPR Therapeutics AG stock logo
CRSP
CRISPR Therapeutics
N/A
17.54
17.54
Denali Therapeutics Inc. stock logo
DNLI
Denali Therapeutics
N/A
13.65
13.65
Neurocrine Biosciences, Inc. stock logo
NBIX
Neurocrine Biosciences
N/A
2.45
2.40
Novavax, Inc. stock logo
NVAX
Novavax
N/A
0.70
0.67
Repligen Co. stock logo
RGEN
Repligen
0.26
7.02
5.75

Ownership

Institutional Ownership

CompanyInstitutional Ownership
CRISPR Therapeutics AG stock logo
CRSP
CRISPR Therapeutics
69.20%
Denali Therapeutics Inc. stock logo
DNLI
Denali Therapeutics
92.92%
Neurocrine Biosciences, Inc. stock logo
NBIX
Neurocrine Biosciences
92.59%
Novavax, Inc. stock logo
NVAX
Novavax
53.04%
Repligen Co. stock logo
RGEN
Repligen
97.64%

Insider Ownership

CompanyInsider Ownership
CRISPR Therapeutics AG stock logo
CRSP
CRISPR Therapeutics
4.10%
Denali Therapeutics Inc. stock logo
DNLI
Denali Therapeutics
7.90%
Neurocrine Biosciences, Inc. stock logo
NBIX
Neurocrine Biosciences
4.60%
Novavax, Inc. stock logo
NVAX
Novavax
0.90%
Repligen Co. stock logo
RGEN
Repligen
1.20%

Miscellaneous

CompanyEmployeesShares OutstandingFree FloatOptionable
CRISPR Therapeutics AG stock logo
CRSP
CRISPR Therapeutics
47384.88 million81.40 millionOptionable
Denali Therapeutics Inc. stock logo
DNLI
Denali Therapeutics
445142.54 million131.28 millionOptionable
Neurocrine Biosciences, Inc. stock logo
NBIX
Neurocrine Biosciences
1,40099.51 million94.93 millionOptionable
Novavax, Inc. stock logo
NVAX
Novavax
1,543139.95 million138.69 millionOptionable
Repligen Co. stock logo
RGEN
Repligen
1,78355.84 million55.17 millionOptionable

NBIX, NVAX, CRSP, RGEN, and DNLI Headlines

SourceHeadline
Should be Confident in Repligen Corporation (RGEN)’s Long-Term Growth Potential?Should be Confident in Repligen Corporation (RGEN)’s Long-Term Growth Potential?
finance.yahoo.com - April 23 at 2:54 PM
Repligen (NASDAQ:RGEN) Shares Gap Up to $157.48Repligen (NASDAQ:RGEN) Shares Gap Up to $157.48
marketbeat.com - April 23 at 12:10 PM
Repligen (NASDAQ:RGEN) Shares Gap Down to $160.98Repligen (NASDAQ:RGEN) Shares Gap Down to $160.98
americanbankingnews.com - April 20 at 5:54 AM
Positive Report for Repligen (RGEN) from Craig-HallumPositive Report for Repligen (RGEN) from Craig-Hallum
markets.businessinsider.com - April 19 at 3:20 PM
Federated Hermes Inc. Cuts Stake in Repligen Co. (NASDAQ:RGEN)Federated Hermes Inc. Cuts Stake in Repligen Co. (NASDAQ:RGEN)
marketbeat.com - April 19 at 8:44 AM
Repligen Corporation Common Stock (RGEN)Repligen Corporation Common Stock (RGEN)
nasdaq.com - April 18 at 8:20 PM
Repligen to Report First Quarter 2024 Financial ResultsRepligen to Report First Quarter 2024 Financial Results
finance.yahoo.com - April 17 at 8:46 AM
Notable Two Hundred Day Moving Average Cross - RGENNotable Two Hundred Day Moving Average Cross - RGEN
nasdaq.com - April 17 at 1:20 AM
14,600 Shares in Repligen Co. (NASDAQ:RGEN) Purchased by Louisiana State Employees Retirement System14,600 Shares in Repligen Co. (NASDAQ:RGEN) Purchased by Louisiana State Employees Retirement System
marketbeat.com - April 16 at 6:51 AM
Cardiff Oncology (NASDAQ:CRDF) and Repligen (NASDAQ:RGEN) Critical ContrastCardiff Oncology (NASDAQ:CRDF) and Repligen (NASDAQ:RGEN) Critical Contrast
americanbankingnews.com - April 16 at 2:40 AM
London & Capital Asset Management Ltd Acquires 6,215 Shares of Repligen Co. (NASDAQ:RGEN)London & Capital Asset Management Ltd Acquires 6,215 Shares of Repligen Co. (NASDAQ:RGEN)
marketbeat.com - April 15 at 11:28 AM
Critical Review: Repligen (NASDAQ:RGEN) vs. Neurocrine Biosciences (NASDAQ:NBIX)Critical Review: Repligen (NASDAQ:RGEN) vs. Neurocrine Biosciences (NASDAQ:NBIX)
americanbankingnews.com - April 15 at 2:32 AM
International Assets Investment Management LLC Grows Position in Repligen Co. (NASDAQ:RGEN)International Assets Investment Management LLC Grows Position in Repligen Co. (NASDAQ:RGEN)
marketbeat.com - April 13 at 5:30 AM
Artisan Mid Cap Fund Trimmed Repligen Corporation (RGEN) after Share AppreciationArtisan Mid Cap Fund Trimmed Repligen Corporation (RGEN) after Share Appreciation
finance.yahoo.com - April 12 at 10:56 AM
Repligen Co. (NASDAQ:RGEN) Shares Bought by Allspring Global Investments Holdings LLCRepligen Co. (NASDAQ:RGEN) Shares Bought by Allspring Global Investments Holdings LLC
marketbeat.com - April 12 at 6:17 AM
Repligen Co. (NASDAQ:RGEN) Receives Average Recommendation of "Moderate Buy" from BrokeragesRepligen Co. (NASDAQ:RGEN) Receives Average Recommendation of "Moderate Buy" from Brokerages
marketbeat.com - April 12 at 2:17 AM
Repligen Co. (NASDAQ:RGEN) Shares Sold by Impax Asset Management Group plcRepligen Co. (NASDAQ:RGEN) Shares Sold by Impax Asset Management Group plc
marketbeat.com - April 9 at 6:39 PM
RBC Capital Remains a Buy on Repligen (RGEN)RBC Capital Remains a Buy on Repligen (RGEN)
markets.businessinsider.com - April 9 at 3:43 AM
Raymond James & Associates Sells 20,495 Shares of Repligen Co. (NASDAQ:RGEN)Raymond James & Associates Sells 20,495 Shares of Repligen Co. (NASDAQ:RGEN)
marketbeat.com - April 7 at 4:19 AM
Repligen Co. (NASDAQ:RGEN) Shares Sold by Riverbridge Partners LLCRepligen Co. (NASDAQ:RGEN) Shares Sold by Riverbridge Partners LLC
marketbeat.com - April 5 at 12:49 AM
SG Americas Securities LLC Has $1.27 Million Stock Holdings in Repligen Co. (NASDAQ:RGEN)SG Americas Securities LLC Has $1.27 Million Stock Holdings in Repligen Co. (NASDAQ:RGEN)
marketbeat.com - March 30 at 4:25 AM
Artemis Investment Management LLP Makes New Investment in Repligen Co. (NASDAQ:RGEN)Artemis Investment Management LLP Makes New Investment in Repligen Co. (NASDAQ:RGEN)
marketbeat.com - March 26 at 11:09 AM
Repligen (NASDAQ:RGEN) Trading Down 2.3%Repligen (NASDAQ:RGEN) Trading Down 2.3%
marketbeat.com - March 25 at 3:20 PM
Repligen Appoints Maggie A. Pax to Board of DirectorsRepligen Appoints Maggie A. Pax to Board of Directors
globenewswire.com - March 19 at 7:30 AM

New MarketBeat Followers Over Time

Media Sentiment Over Time

Top Headlines

All Headlines

Company Descriptions

CRISPR Therapeutics logo

CRISPR Therapeutics

NASDAQ:CRSP
CRISPR Therapeutics is a gene-editing company focused on developing transformative gene-based medicines for serious diseases using its proprietary CRISPR/Cas9 platform. CRISPR/Cas9 is a revolutionary gene-editing technology that allows for precise, directed changes to genomic DNA. CRISPR Therapeutics has established a portfolio of therapeutic programs across a broad range of disease areas including hemoglobinopathies, oncology, regenerative medicine and rare diseases. To accelerate and expand its efforts, CRISPR Therapeutics has established strategic collaborations with companies including Bayer, Vertex Pharmaceuticals and ViaCyte, Inc. CRISPR Therapeutics AG is headquartered in Zug, Switzerland, with its wholly-owned U.S. subsidiary, CRISPR Therapeutics, Inc., and R&D operations based in Cambridge, Massachusetts, and business offices in San Francisco, California and London, United Kingdom. For more information, please visit www.crisprtx.com.
Denali Therapeutics logo

Denali Therapeutics

NASDAQ:DNLI
Denali Therapeutics Inc., a biopharmaceutical company, develops a portfolio of product candidates engineered to cross the blood-brain barrier for neurodegenerative diseases and lysosomal storage diseases in the United States. The company's transport vehicle (TV)-enabled programs include DNL310 ETV, an IDS enzyme replacement therapy program for MPS II; TAK-594/DNL593 which is in Phase 1/II for frontotemporal dementia-granulin; DNL126 program for MPS IIIA; and DNL622 for MPS I, as well as other preclinical programs that target amyloid beta and HER2. Its brain-penetrant small molecule programs comprise BIIB122/DNL151 LRRK2 inhibitor program for Parkinson's disease; SAR443820/DNL788 RIPK1 inhibitor program for CNS disease; DNL343 eIF2B Activator program for amyotrophic lateral sclerosis; and SAR443122/DNL758 RIPK1 inhibitor program for peripheral inflammatory diseases. It also provides early stage program include TAK-594/DNL593 program for FTD-GRN; DNL126 program for MPS IIIA, a Sanfilippo Syndrome A; DNL622 for MPS I which is Hurler syndrome; Antibody Transport Vehicle Amyloid beta program; Oligonucleotide Transport Vehicle platform, a novel class of biotherapeutics to address the root cause of diseases through modulation of gene expression; and other TV-enabled discovery programs. The company has collaboration agreements with Biogen MA Inc. and Biogen International GmbH; Genzyme Corporation; Takeda Pharmaceutical Company Limited; F-star Gamma Limited, F-star Biotechnologische Forschungs-und Entwicklungsges m.b.H, and F-star Biotechnology Limited; and Genentech, Inc. The company was formerly known as SPR Pharma Inc. and changed its name to Denali Therapeutics Inc. in March 2015. Denali Therapeutics Inc. was incorporated in 2013 and is headquartered in South San Francisco, California.
Neurocrine Biosciences logo

Neurocrine Biosciences

NASDAQ:NBIX
Neurocrine Biosciences, Inc. discovers, develops, and markets pharmaceuticals for neurological, neuroendocrine, and neuropsychiatric disorders in the United States and internationally. The company's products include INGREZZA for tardive dyskinesia and chorea associated with Huntington's disease; ALKINDI for adrenal insufficiency; Efmody capsules for classic congenital adrenal hyperplasia; Orilissa tablets for endometriosis; and Oriahnn capsules to treat uterine fibroids. Its product candidates in clinical development include valbenazine to treat dyskinetic cerebral palsy in pediatrics and adults; NBI-921352 to treat developmental and epileptic encephalopathy syndrome in pediatrics and adults; NBI-827104 to treat epileptic encephalopathy with continuous spike-and-wave during sleep; NBI-1076986 to treat movement disorders; crinecerfront to treat congenital adrenal hyperplasia in adults and children; EFMODY to treat congenital adrenal hyperplasia and adrenal insufficiency in adults; valbenazine for the adjunctive treatment of schizophrenia; NBI-1065845 for the treatment of inadequate response to treatment in major depressive disorder; luvadaxistat to treat cognitive impairment related to schizophrenia; NBI-1117568 for the treatment of schizophrenia; NBI-1070770 to treat major depressive disorder; NBI-1117570 for the treatment of symptoms of psychosis and cognition in neurological and neuropsychiatric conditions; and NBI-1117569, NBI-1117567, and NBI-1065890 to treat CNS indications. The company also has license and collaboration agreements with Heptares Therapeutics Limited; Takeda Pharmaceutical Company Limited; Idorsia Pharmaceuticals Ltd; Xenon Pharmaceuticals Inc.; Voyager Therapeutics, Inc.; BIAL Portela & Ca, S.A.; Mitsubishi Tanabe Pharma Corporation; and AbbVie Inc. The company was incorporated in 1992 and is headquartered in San Diego, California.
Novavax logo

Novavax

NASDAQ:NVAX
Novavax, Inc., a biotechnology company, that promotes improved health by discovering, developing, and commercializing vaccines to protect against serious infectious diseases. It offers vaccine platform that combines a recombinant protein approach, nanoparticle technology, and its patented Matrix-M adjuvant to enhance the immune response. It focuses on urgent health challenges, which is evaluating vaccines for COVID-19, influenza, and COVID-19 influenza combination. The company is commercializing a COVID-19 vaccine, NVX-CoV2373 under the brand names of Nuvaxovid, Covovax, and Novavax COVID-19 Vaccine, adjuvanted for adult and adolescent populations as a primary series and for both homologous and heterologous booster indications. It is also developing R21/Matrix-M adjuvant malaria vaccine. Novavax, Inc. was incorporated in 1987 and is headquartered in Gaithersburg, Maryland.
Repligen logo

Repligen

NASDAQ:RGEN
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.