Compare Stocks

Comparative Price Performance Over Time

Compare Stocks - Price & Volume

CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
argenx SE stock logo
ARGX
argenx
$375.08
+1.7%
$386.95
$327.73
$550.76
$22.29B0.65320,163 shs340,242 shs
BioNTech SE stock logo
BNTX
BioNTech
$88.49
+0.5%
$91.05
$85.21
$125.83
$21.04B0.23676,117 shs362,353 shs
China Biologic Products Holdings, Inc. stock logo
CBPO
China Biologic Products
$119.99
+1.7%
$119.23
$99.74
$120.05
$4.72B0.47148,695 shs24,016 shs
Spark Therapeutics Inc stock logo
ONCE
Spark Therapeutics
$0.18
$113.43
$34.53
$114.20
$6.94M2.05891,560 shsN/A
Repligen Co. stock logo
RGEN
Repligen
$171.28
+8.8%
$186.62
$110.45
$211.13
$8.79B1.02436,297 shs928,604 shs
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Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
argenx SE stock logo
ARGX
argenx
+1.72%+1.19%-6.85%+2.00%-4.10%
BioNTech SE stock logo
BNTX
BioNTech
+0.55%+2.49%-3.64%-10.53%-24.32%
China Biologic Products Holdings, Inc. stock logo
CBPO
China Biologic Products
0.00%0.00%0.00%0.00%0.00%
Spark Therapeutics Inc stock logo
ONCE
Spark Therapeutics
0.00%0.00%0.00%0.00%-99.84%
Repligen Co. stock logo
RGEN
Repligen
+8.76%+4.33%-13.51%-5.76%+1.83%

MarketRank™

CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & Valuation
argenx SE stock logo
ARGX
argenx
3.8142 of 5 stars
4.45.00.00.03.21.70.6
BioNTech SE stock logo
BNTX
BioNTech
3.5462 of 5 stars
4.22.00.00.02.70.82.5
China Biologic Products Holdings, Inc. stock logo
CBPO
China Biologic Products
N/AN/AN/AN/AN/AN/AN/AN/A
Spark Therapeutics Inc stock logo
ONCE
Spark Therapeutics
N/AN/AN/AN/AN/AN/AN/AN/A
Repligen Co. stock logo
RGEN
Repligen
4.0335 of 5 stars
2.41.00.04.52.52.52.5

Analyst Ratings

CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
argenx SE stock logo
ARGX
argenx
2.71
Moderate Buy$528.1640.81% Upside
BioNTech SE stock logo
BNTX
BioNTech
2.30
Hold$120.4036.06% Upside
China Biologic Products Holdings, Inc. stock logo
CBPO
China Biologic Products
N/AN/AN/AN/A
Spark Therapeutics Inc stock logo
ONCE
Spark Therapeutics
N/AN/AN/AN/A
Repligen Co. stock logo
RGEN
Repligen
2.89
Moderate Buy$196.7014.84% Upside

Current Analyst Ratings

Latest ARGX, CBPO, RGEN, BNTX, and ONCE Analyst Ratings

DateCompanyBrokerageActionRatingPrice TargetDetails
4/18/2024
argenx SE stock logo
ARGX
argenx
Wedbush
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingOutperform ➝ Outperform$521.00
4/18/2024
argenx SE stock logo
ARGX
argenx
HC Wainwright
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingBuy ➝ Buy$451.00
4/17/2024
BioNTech SE stock logo
BNTX
BioNTech
HC Wainwright
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingBuy ➝ Buy$107.00
3/27/2024
argenx SE stock logo
ARGX
argenx
HC Wainwright
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingBuy ➝ Buy$451.00
3/27/2024
BioNTech SE stock logo
BNTX
BioNTech
UBS Group
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetNeutral ➝ Neutral$110.00 ➝ $101.00
3/26/2024
argenx SE stock logo
ARGX
argenx
Scotiabank
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Boost Price TargetSector Perform ➝ Sector Perform$402.00 ➝ $408.00
3/22/2024
argenx SE stock logo
ARGX
argenx
JMP Securities
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingMarket Outperform ➝ Market Outperform$471.00
3/22/2024
BioNTech SE stock logo
BNTX
BioNTech
JPMorgan Chase & Co.
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetUnderweight ➝ Underweight$99.00 ➝ $90.00
3/21/2024
BioNTech SE stock logo
BNTX
BioNTech
BMO Capital Markets
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetOutperform ➝ Outperform$127.00 ➝ $123.00
3/21/2024
BioNTech SE stock logo
BNTX
BioNTech
Canaccord Genuity Group
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingBuy ➝ Buy$171.00
3/5/2024
argenx SE stock logo
ARGX
argenx
Truist Financial
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Boost Price TargetBuy ➝ Buy$370.00 ➝ $440.00
(Data available from 4/24/2021 forward. View 10+ years of historical ratings with our analyst ratings screener.)

Sales & Book Value

CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
argenx SE stock logo
ARGX
argenx
$1.27B17.57N/AN/A$69.22 per share5.42
BioNTech SE stock logo
BNTX
BioNTech
$4.13B5.09$5.17 per share17.12$92.17 per share0.96
China Biologic Products Holdings, Inc. stock logo
CBPO
China Biologic Products
$503.70M9.38$5.01 per share23.93$45.09 per share2.66
Spark Therapeutics Inc stock logo
ONCE
Spark Therapeutics
$64.72M0.11N/AN/A$13.15 per share0.01
Repligen Co. stock logo
RGEN
Repligen
$638.76M14.97$3.29 per share52.05$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
argenx SE stock logo
ARGX
argenx
-$295.05M-$5.14N/A116.85N/A-23.26%-16.97%-15.26%5/2/2024 (Estimated)
BioNTech SE stock logo
BNTX
BioNTech
$1.01B$4.1221.48N/AN/A24.26%4.60%4.12%5/6/2024 (Confirmed)
China Biologic Products Holdings, Inc. stock logo
CBPO
China Biologic Products
$138.81M$4.2833.5227.90N/A27.43%8.32%7.64%N/A
Spark Therapeutics Inc stock logo
ONCE
Spark Therapeutics
-$78.82M-$2.11N/AN/AN/A-358.41%-59.10%-33.13%N/A
Repligen Co. stock logo
RGEN
Repligen
$41.58M$0.72237.8981.955.166.51%5.00%3.78%5/1/2024 (Confirmed)

Latest ARGX, CBPO, RGEN, BNTX, and ONCE Earnings

DateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails
5/6/2024N/A
BioNTech SE stock logo
BNTX
BioNTech
-$0.4460N/A+$0.4460N/AN/AN/A  
5/1/2024N/A
Repligen Co. stock logo
RGEN
Repligen
$0.29N/A-$0.29N/AN/AN/A  
3/20/2024Q4 2023
BioNTech SE stock logo
BNTX
BioNTech
$2.64$2.05-$0.59$2.05$2.04 billion$1.59 billion
2/29/202412/31/2023
argenx SE stock logo
ARGX
argenx
-$1.23-$1.68-$0.45-$1.68$378.60 million$417.84 million    
2/21/2024Q4 2023
Repligen Co. stock logo
RGEN
Repligen
$0.33$0.33N/A$1.12$155.38 million$155.74 million    

Dividends

CompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive Growth
argenx SE stock logo
ARGX
argenx
N/AN/AN/AN/AN/A
BioNTech SE stock logo
BNTX
BioNTech
N/AN/AN/AN/AN/A
China Biologic Products Holdings, Inc. stock logo
CBPO
China Biologic Products
N/AN/AN/AN/AN/A
Spark Therapeutics Inc stock logo
ONCE
Spark Therapeutics
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
argenx SE stock logo
ARGX
argenx
N/A
9.75
9.01
BioNTech SE stock logo
BNTX
BioNTech
0.01
9.43
9.26
China Biologic Products Holdings, Inc. stock logo
CBPO
China Biologic Products
N/A
12.01
10.13
Spark Therapeutics Inc stock logo
ONCE
Spark Therapeutics
0.35
4.67
4.35
Repligen Co. stock logo
RGEN
Repligen
0.26
7.02
5.75

Ownership

Institutional Ownership

CompanyInstitutional Ownership
argenx SE stock logo
ARGX
argenx
60.32%
BioNTech SE stock logo
BNTX
BioNTech
15.52%
China Biologic Products Holdings, Inc. stock logo
CBPO
China Biologic Products
34.77%
Spark Therapeutics Inc stock logo
ONCE
Spark Therapeutics
88.37%
Repligen Co. stock logo
RGEN
Repligen
97.64%

Insider Ownership

CompanyInsider Ownership
argenx SE stock logo
ARGX
argenx
2.43%
BioNTech SE stock logo
BNTX
BioNTech
19.20%
China Biologic Products Holdings, Inc. stock logo
CBPO
China Biologic Products
2.73%
Spark Therapeutics Inc stock logo
ONCE
Spark Therapeutics
6.00%
Repligen Co. stock logo
RGEN
Repligen
1.20%

Miscellaneous

CompanyEmployeesShares OutstandingFree FloatOptionable
argenx SE stock logo
ARGX
argenx
1,14859.43 million57.99 millionOptionable
BioNTech SE stock logo
BNTX
BioNTech
6,133237.73 million192.08 millionOptionable
China Biologic Products Holdings, Inc. stock logo
CBPO
China Biologic Products
2,26939.36 millionN/AOptionable
Spark Therapeutics Inc stock logo
ONCE
Spark Therapeutics
36838.52 millionN/ANo Data
Repligen Co. stock logo
RGEN
Repligen
1,78355.84 million55.17 millionOptionable

ARGX, CBPO, RGEN, BNTX, and ONCE Headlines

SourceHeadline
Repligen (RGEN) to Release Earnings on WednesdayRepligen (RGEN) to Release Earnings on Wednesday
americanbankingnews.com - April 24 at 5:52 AM
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

New MarketBeat Followers Over Time

Media Sentiment Over Time

Top Headlines

All Headlines

Company Descriptions

argenx logo

argenx

NASDAQ:ARGX
argenx SE, a biotechnology company, engages in the developing of various therapies for the treatment of autoimmune diseases in the United States, Japan, Europe, Middle East, Africa, and China. Its lead product candidate is efgartigimod for the treatment of patients with myasthenia gravis, immune thrombocytopenia, pemphigus vulgaris, generalized myasthenia gravis, chronic inflammatory demyelinating polyneuropathy, thyroid eye disease, bullous pemphigoid, myositis, primary sjögren's syndrome, post-covid postural orthostatic tachycardia syndrome, membranous nephropathy, lupus nephropathy, anca-associated vasculitis, and antibody mediated rejection; ENHANZE SC; Empasiprubart for multifocal motor neuropath, delayed graft function, and dermatomyositis; and ARGX-119 for congenital myasthenic syndrome and amyotrophic lateral sclerosis. The company is developing ARGX-213 targets FcRn; ARGX-121 and ARGX-220 targets immune system; ARGX-109 targets IL-6; ARGX-118 for inflammation; and ARGX-109, as well as cusatuzumab, ARGX-112, ARGX-114, and ARGX-115. It owns VYVGART; VYVGART HYTRULO; VYVDURA; ARGENX; ABDEG; NHANCE; SIMPLE ANTIBODY; and ARGENXMEDHUB. The company has strategic partnership with AbbVie S.À.R.L., Zai Lab Limited, and LEO Pharma A/S; and collaboration and license agreement with Genor Biopharma Co. Ltd, Université Catholique de Louvain, Sopartec S.A., NYU Langone Health, Leiden University Medical Center, AgomAb Therapeutics NV, Broteio Pharma B.V., VIB vzw, University of Texas, BioWa, Inc., and Shire International GmbH. It has collaboration agreement with Genmab A/S to discover, develop, and commercialize novel therapeutic antibodies with applications in immunology and oncology, as well as a strategic collaboration with IQVIA Holdings Inc. to provide safety systems and services. argenx SE was incorporated in 2008 and is based in Amsterdam, the Netherlands.
BioNTech logo

BioNTech

NASDAQ:BNTX
BioNTech SE, a biotechnology company, develops and commercializes immunotherapies for cancer and other infectious diseases. The company is developing FixVac product candidates, including BNT111, which is in Phase II clinical trial for advance melanoma; BNT112 that is in Phase I/IIa clinical trial for prostate cancer; BNT113, which is in Phase II clinical trial to treat HPV 16+ head and neck cancers; BNT114 to treat triple negative breast cancer; BNT115, which is in Phase I clinical trial in ovarian cancer; and BNT116, which is in Phase I clinical trial for non-small cell lung cancer. It develops BNT122, which is in Phase II clinical trial for first-line melanoma and in Phase I clinical trial to treat multiple solid tumors; BNT131 that is in Phase I clinical trial for multiple solid tumors; BNT141 and BNT142 that are in Phase I clinical trial to treat multiple solid tumors; BNT151, BNT152, and BNT153 to treat solid tumors; BNT211 to treat multiple solid tumors, and BNT221 for pancreatic and other cancers; BNT311 which are in Phase II clinical trial to treat metastatic non-small cell lung cancer and Phase I/II clinical trial to treat multiple solid tumors; and BNT312, which is in Phase 2 clinical trial to treat multiple solid tumors, as well as ONC-392, which is in Phase III clinical trial to treat ovarian cancer and Phase I/II clinical trial to treat multiple solid tumors. It develops BNT321, an IgG1 monoclonal antibody in Phase I clinical trial for pancreatic cancer; BNT411, a small molecule immunomodulator product candidate in Phase I clinical trial for solid tumors; BNT322, which is in Phase I/Ib clinical trial for multiple solid tumors; and prophylactic vaccine for shingles, malaria, tuberculosis, HSV-2, and other infectious diseases. It has collaborations with Genentech, Inc.; Sanofi S.A.; Genmab A/S; Pfizer Inc.; Shanghai Fosun Pharmaceutical (Group) Co., Ltd; and Ryvu Therapeutics S.A. BioNTech SE was incorporated in 2008 and is based in Mainz, Germany.
China Biologic Products logo

China Biologic Products

NASDAQ:CBPO
China Biologic Products Holdings, Inc. engages in the research, development, manufacture, and sale of human plasma-based biopharmaceutical products to hospitals and inoculation centers in the People's Republic of China. It offers human albumin for treating shock caused by blood loss trauma or burn; raised intracranial pressure caused by hydrocephalus or trauma; oedema or ascites caused by hepatocirrhosis and nephropathy; and neonatal hyperbilirubinemia, as well as for the prevention and treatment of low-density-lipoproteinemia. The company also provides human immunoglobulin and IVIG for original and secondary immunoglobulin deficiency, auto-immune deficiency, and immunoglobulin G secondary deficiency; human hepatitis B immunoglobulin for the prevention of measles and contagious hepatitis; human rabies immunoglobulin primarily for passive immunity from bites or claws by rabies or other infected animals; and human tetanus immunoglobulin for the prevention and therapy of tetanus. In addition, it offers placenta polypeptide for the treatment of cell immunity deficiency diseases, viral infection, and leucopenia, as well as assists in postoperative healing; factor VIII for treating coagulopathies; human fibrinogen; and human prothrombin complex concentrate for treating congenital and acquired clotting factor II, VII, IX, X deficiency, as well as excessive anticoagulant, vitamin K deficiency, etc. Further, the company is developing Human fibrinogen for the treatment for lack of fibrinogen and increase human fibrinogen concentration; and artificial dura and spinal dura mater products for use in brain and spinal surgeries. The company sells its products directly, as well as through distributors. The company was formerly known as China Biologic Products, Inc. and changed its name to China Biologic Products Holdings, Inc. in July 2017. China Biologic Products Holdings, Inc. is headquartered in Beijing, the People's Republic of China.
Spark Therapeutics logo

Spark Therapeutics

NASDAQ:ONCE
Spark Therapeutics, Inc. focuses on the development of gene therapy products for patients suffering from debilitating genetic diseases. Its products include LUXTURNA (voretigene neparvovec) for the treatment of patients with confirmed biallelic RPE65 mutation-associated retinal dystrophy and viable retinal cells. The company's gene therapy product candidates comprise SPK-8011 and SPK-8016 for hemophilia; SPK-7001 for choroideremia; and SPK-9001 for hemophilia B. It is also developing other liver-directed gene therapies, including SPK-3006 for Pompe disease; and neurodegenerative disease product candidates to address Huntington's disease and others, as well as TPP1 deficiency, which is a form of Batten disease. The company's preclinical programs targets inherited retinal diseases, including Stargardt's disease. The company has collaboration agreement with Pfizer, Inc. for the development and commercialization of SPK-FIX product candidates in its gene therapy program for the treatment of hemophilia B. It also has licensing and commercialization agreement with Novartis to develop and commercialize voretigene neparvovec outside the United States. Spark Therapeutics, Inc. was founded in 2013 and is headquartered in Philadelphia, Pennsylvania.
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.