Assembly Biosciences

New York, United States Founded: 2005 • Age: 21 yrs Listed
Small molecule therapeutics for hepatitis B infection and microbiotic therapies for Clostridium difficile infections (CDI).

About Assembly Biosciences

Assembly Biosciences is a company based in New York (United States) founded in 2005. Assembly Biosciences has raised $700 thousand across 3 funding rounds from investors including Gilead and Armistice Capital. The company has 73 employees. Assembly Biosciences offers products and services including ABI-5366 and Herpesvirus Programs. Assembly Biosciences operates in a competitive market with competitors including Biological E, Vir Biotechnology, Vaxcyte, Cidara Therapeutics and Freeline, among others.

  • Headquarter New York, United States
  • Employees 73
  • Stage Public
  • Sectors
    Healthcare
  • Website category Health · Biotechnology and Pharmaceuticals
  • Email
    β€’β€’β€’β€’β€’β€’β€’β€’
  • Website assemblybio.com
  • Social LinkedIn
  • Legal Name Assembly Biosciences, Inc.
Key Metrics
  • Annual Revenue
    $72.3 M (USD)
    153.52
    as on Dec 31, 2025
  • Net Profit
    -$6.12 M (USD)
    84.76
    as on Dec 31, 2025
  • EBITDA
    -$11.99 M (USD)
    73.53
    as on Dec 31, 2025
  • Total Equity Funding
    $700K (USD)

    in 3 rounds

  • Latest Funding Round
    $20.1M (USD), Post-IPO

    Dec 2024

  • Investors
    Gilead

    & 1 more

  • Employee Count
    73

Products & Services of Assembly Biosciences

Assembly Biosciences offers a comprehensive portfolio of products and services, including ABI-5366 and Herpesvirus Programs.

ABI-5366
Antiviral Drug

Long-acting candidate for treating herpes simplex virus infections.

Herpesvirus Programs
Therapeutic Development

Innovative treatments for recurrent genital herpes and transplant-associated viruses.

Funding Insights of Assembly Biosciences

Assembly Biosciences has successfully raised a total of $700K across 3 strategic funding rounds. The most recent funding activity was a Post-IPO round of $20.1 million completed in December 2024. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.

  • Total Funding $700,000
  • Total Rounds 3
  • Last Round Post-IPO β€” $20.1M
  • First Round $700,000

    (May 2010)

  • Investors Count 2

All 3 funding rounds of Assembly Biosciences with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.

DateAmountTransaction NameValuationLead InvestorsInvestors
Dec 2024$20.1MPost-IPO––
Jun 2024–Post-IPO––
May 2010$700,000Seed––
–
Valuation history

2 investors in total: 2 institutional.

Investors in Assembly Biosciences

Assembly Biosciences has secured backing from 2 investors, including institutional investors. Prominent investors backing the company include Gilead and Armistice Capital.

All
Institutional
InvestorDescriptionFounded YearDomainLocation
Developer of medicines to treat HIV/AIDS, liver diseases, cancer & others
1987gilead.comFoster City, United States
Global hedge fund managing long/short investments in health care and consumer sectors.
2012armisticecapital.comNew York, United States
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Investor details for Assembly Biosciences

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People of Assembly Biosciences

57 people are tracked at Assembly Biosciences (36 in leadership, 15 in board & advisors, 6 in team); the tracked headcount is 73.

NameRoleGroup
Hassan Pajouhesh
Senior Director Medicinal ChemistryLeadership
Qi Huang
Vice President, Virology DiscoveryLeadership
Eimi Heebner
Associate Director, Program ManagementLeadership
Kimmy Liu
DirectorLeadership
Yogesh Naik
Director InformaticsLeadership
Tom Pratt
Executive Director ITLeadership
Kelly Louie
Associate Director, Analytical Development & QCLeadership
Yanhong Zhu
Senior Director Of ToxicologyLeadership
Mark Johnson
Associate DirectorLeadership
Katie Zomorodi
Executive Director, Clinical PharmacologyLeadership
Suzette DeVito
Executive Assistant TO THE Chief Executive OfficerLeadership
Katie Kitrinos
Senior Vice President, Preclinical Research and DevelopmentLeadership
Marc P. Windisch
Director Discovery BiologyLeadership
Min Zhong
Executive Director, Medicinal ChemistryLeadership
Kirsten Stray
Associate Scientific DirectorLeadership
Robb Anderson
Executive Director, Human Resources, Organizational DevelopmentLeadership
Christine Day
Associate Director, Human ResourcesLeadership
Grace Wang
Vice President Clinical DevelopmentLeadership
John O. Gunderson
VP, General Counsel and Corporate SecretaryLeadership
Jian Zhang
Sr. Director, Medicinal ChemistryLeadership

37 more people are available in the full profile.

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Complete people profiles for Assembly Biosciences

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IPO & Listings of Assembly Biosciences

Assembly Biosciences is a publicly listed company on the NASDAQ with ticker symbol ASMB in USA, operating in the Health technology sector. As a publicly traded entity, the company provides investors with opportunities to participate in its growth story through equity ownership. The listing enables access to capital markets, enhances corporate visibility, and provides liquidity for shareholders while maintaining transparency through regulatory compliance and regular financial disclosures.

  • IPO date17 Dec 2010
  • Listed onNASDAQ: ASMB
  • Listed entityAssembly Biosciences, Inc.
  • Exchange sectorHealth technology
  • ISINUS0453962070
  • Share price$23.53 (+3.11% on the day) · 2026-10-09
  • Market capitalisation$479.1M
  • EPS (diluted, trailing year)$-0.07
  • Volume (last session)170,489

Financials of Assembly Biosciences

Exchange-reported annual figures
YearRevenueNet incomeEBITDA
2025$72.3M-$6.1M-$12.0M
2024$28.5M-$40.2M-$45.3M
2023$7.2M-$61.2M-$64.2M
2022–-$93.1M-$92.5M
2021$6.2M-$129.8M-$91.9M
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Detailed financial statements for Assembly Biosciences

Statement rows, ratios, five-year trends and downloadable financials of the group companies require an active premium plan.

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Timeline of Assembly Biosciences

4 dated milestones of Assembly Biosciences across 19 years, from founding to its latest funding, stage changes and deals.

  1. Founded Assembly Biosciences is founded.
  2. Funding First funding round of $700K.
  3. IPO Lists on the stock exchange (IPO).
  4. Funding Latest funding round, Post-IPO, of $20.1M.

Competitors of Assembly Biosciences

Assembly Biosciences operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as Biological E, Vir Biotechnology, Vaxcyte, Cidara Therapeutics and Freeline, among others.

Company NameDomainFoundedHQ LocationTotal fundingEmployeesDescription
biologicale.com1953Hyderabad, India–6,099
Vaccines and therapeutics for multiple diseases are developed and marketed.
vir.bio2017San Francisco, United States$216M417
Developer of therapeutics for the treatment of infectious diseases
vaxcyte.com2013Foster, United States$347M254
Vaccines for infectious diseases are developed using cell-free protein synthesis.
cidara.com2013San Diego, United States$78.35M90
Novel anti-infectives for bacterial and fungal infections are developed.
freeline.life2015Stevenage, United Kingdom$273.69M152
Gene therapy platform is developed for chronic disease treatments.
valneva.com1999Lyon, France$113.55M–
Prophylactic vaccines for infectious diseases are developed and advanced.
ardelyx.com2007Fremont, United States$61.1M37
Therapeutics for gastrointestinal, cardio-renal, and metabolic diseases are developed.
seruminstitute.com1966Pune, India–6,617
Vaccines and immuno-biological drugs for infectious diseases are manufactured.
stridebio.com2015Durham, United States$98.2M109
AAV-based gene therapies for rare diseases are developed.
redhillbio.com2009Ramat Gan, Israel$13.5M183
Developer of therapeutics for the treatment of gastrointestinal and infectious diseases
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Detailed competitors of Assembly Biosciences

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Web traffic of Assembly Biosciences

The website of Assembly Biosciences (assemblybio.com) receives about 5.8K visits a month and ranks #3,402,677 among all websites worldwide, #4,451 in Biotechnology and Pharmaceuticals.

  • Monthly visits
    5.8K

    ▲ 17.8% vs previous month

  • Unique visitors
    2.3K

    per month

  • Global rank
    #3,402,677

    among all websites

  • Category rank
    #4,451

    Health · Biotechnology and Pharmaceuticals

Similar websites

Websites whose visitors overlap most with Assembly Biosciences. Affinity shows how closely the audiences match.

WebsiteDomainAudience affinityMonthly visitsGlobal rankProfile
astellasgenetherapies.com
100%
1K–View details
mbcbiolabs.com
99%
–#2,013,343View details
allogene.com
98%
33.5K#1,405,171View details
aligos.com
98%
3.4K#3,982,602View details
corvuspharma.com
97%
13.6K#3,366,661View details
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
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All 40 similar websites and full traffic analytics for Assembly Biosciences

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  • Audience overlap
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Verified entity values are shown only after access is granted.

Latest news on Assembly Biosciences

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Complete news archive for Assembly Biosciences

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  • Source and publication date
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Similar companies to Assembly Biosciences

10 companies that operate in the same segment as Assembly Biosciences (Microbiome Therapeutics), ranked by their profile score on The Company Check.

CompanyDescriptionFoundedLocationTotal fundingRevenueEmployees
Biosolutions and enzymes are developed for biotechnology applications across industries.
2000Bags Sword, Denmark–––
Pendulum is focused on developing advanced probiotic solutions.
2012San Francisco, California, United StatesUSD 109.5 M–55
Gut microbiome insights, analytics, tests, and therapeutics are provided.
2019Singapore, SingaporeUSD 10.5 MUSD 1.37 M–
Microbiome-based therapeutics for skin conditions like eczema are developed.
2014Farmington, United StatesUSD 37.4 M–12
Engineered microbes are developed as programmable therapeutics for metabolic disorders.
2013Cambridge, Massachusetts, United StatesUSD 34.4 MUSD 8 K1
Therapeutics for infectious and autoimmune diseases are developed.
2010Cambridge, Massachusetts, United StatesUSD 470.49 M–71
Biological drugs for skin and mucosa wound treatment are developed.
2016Uppsala, Uppsala County, SwedenUSD 4.02 MUSD 1.12 M–
Microbiome-based therapeutics for gut diseases are developed.
2017Edinburgh, Scotland, United KingdomUSD 72.96 M–65
The gut-brain axis is explored for therapeutic and nutritional innovations.
2014New York, New York, United StatesUSD 479 M–84
Microbiome therapeutics are developed to address diverse diseases.
2010Cambridge, Massachusetts, United StatesUSD 257.13 MUSD 789 K103
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Frequently Asked Questions about Assembly Biosciences

Assembly Biosciences was founded in 2005 and raised its 1st funding round 5 years after it was founded.

Assembly Biosciences is headquartered in New York, United States. It is registered at New York, New York, United States.

Assembly Biosciences is a funded company, having raised a total of $700K across 3 funding rounds to date. The company's 1st funding round was a Seed of $700K, raised on May 2010.

Assembly Biosciences has 73 employees.

Annual revenue of Assembly Biosciences is $72.3M as on Dec 31, 2025.

Assembly Biosciences was founded in 2005 through a merger of Ventrus Biosciences and Assembly Pharmaceuticals. Operations are centered in the biotechnology sector, with a focus on infectious diseases and gastrointestinal disorders. Small molecule agents targeting the HBV core protein are being advanced, alongside microbiotic therapies utilizing the Gemicel platform for targeted GI delivery of live biotherapeutics. The company is based in New York, United States.

Assembly Biosciences's top competitors include Vaxcyte, Serum Institute of India and Ardelyx.

Assembly Biosciences offers ABI-5366 and Herpesvirus Programs.

Yes, Assembly Biosciences is publicly traded on NASDAQ under the ticker symbol ASMB.

Assembly Biosciences has 2 investors. Key investors include Gilead, and Armistice Capital.

Assembly Biosciences operates through Assembly Biosciences, Inc..

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