Affymax

Palo Alto, United States Founded: 2001 • Age: 25 yrs Listed
Drug for treatment of chronic kidney disease

About Affymax

Affymax is a publicly listed company based in Palo Alto (United States) founded in 2001. Drug for treatment of chronic kidney disease. Affymax has raised $131 million across 4 funding rounds from investors including Credit Suisse, Apax Partners and Bear Stearns Companies. Its focus areas include Life Sciences, Metabolic Diseases, Drugs and Renal Disorders. Its legal entity is AFFYMAX INC. Its competitors include Unicycive, Peloton Therapeutics and Angion Biomedica; 3 of its 3 listed competitors have raised funding.

Company details

Affymax is a biopharmaceutical company developing drugs to improve the treatment of serious and often life-threatening conditions. The companys first product candidate, peginesatide (formerly known as Hematide), has been investigated in Phase 3 trials for the potential treatment of anemia associated with chronic kidney disease (CKD). The company went public on December 15, 2006. The company has now shut its operations.

  • Headquarters Palo Alto, United States
  • Stage Public
  • Sectors
    Healthcare
  • Website affymax.com
  • Social LinkedIn
  • Legal Name Affymax Inc
Key Metrics
  • Total Equity Funding
    $131M (USD)

    in 4 rounds

  • Latest Funding Round
    $42M (USD), Post-IPO

    Mar 2009

  • Investors

Funding Insights of Affymax

Affymax has successfully raised a total of $131M across 4 strategic funding rounds. The most recent funding activity was a Post-IPO round of $42 million completed in March 2009. 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 $131M
  • Total Rounds 4
  • Last Round Post-IPO β€” $42M
  • First Round $51M

    (Jul 2001)

  • Investors Count 4

All 4 funding rounds of Affymax with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.

DateAmountTransaction NameValuationLead InvestorsInvestors
Mar 2009$42MPost-IPO––
–
Jul 2005$60MPrivate Equity Round––
–
Apr 2004$20MSeries C––
Jul 2001$51MPrivate Equity Round––
Valuation history

4 investors in total: 4 institutional.

Investors in Affymax

Affymax has secured backing from 4 investors, including institutional and venture fund investors. Prominent investors backing the company include Credit Suisse, Apax Partners and Bear Stearns Companies.

All
Venture Fund
Institutional
InvestorDescriptionFounded YearDomainLocation
Equity investments are focused on tech, services, and consumer sectors.
1981apax.comHong Kong, China
Investment and wealth planning services are provided to clients.
1995bearstearns.comNew York, United States
Invests in biotech firms developing life-saving drugs and technologies.
mpmcapital.com
Wealth management, asset management, and investment banking services are offered.
1856credit-suisse.comZurich, Switzerland
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Investor details for Affymax

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IPO & Listings of Affymax

Affymax is a publicly listed company on the OTC with ticker symbol AFFY 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 date07 Jun 2013
  • Listed onOTCMKTS: AFFY
  • Listed entityAFFYMAX INC
  • Exchange sectorHealth technology
  • ISINUS00826A1097
  • Share price$0.04 (+2347.06% on the day) · 2026-10-09
  • Market capitalisation$1.6M
  • Volume (last session)1,000

Timeline of Affymax

4 dated milestones of Affymax across 12 years, from founding to its latest funding, stage changes and deals.

  1. Founded Affymax is founded.
  2. Funding First funding round of $51.0M.
  3. Funding Latest funding round, Post-IPO, of $42.0M.
  4. IPO Lists on the stock exchange (IPO).

Competitors of Affymax

Affymax has 3 listed competitors in our database, 3 of them funded. They include Unicycive, Peloton Therapeutics and Angion Biomedica.

Company NameDomainFoundedHQ LocationTotal fundingEmployeesDescription
unicycive.com2016San Francisco, United States$1.55M12
Small molecule therapies for kidney diseases are developed.
pelotontherapeutics.com2010Dallas, United States$242.6M62
Small molecule therapeutics for kidney cancer are developed.
angion.com1998United States$73.95M71
Organ restoration therapies for renal diseases are developed.
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Detailed competitors of Affymax

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Web traffic of Affymax

Websites that share an audience with Affymax (affymax.com).

Similar websites

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

WebsiteDomainAudience affinityMonthly visitsGlobal rankProfile
nanotherapeutics.com
nanotherapeutics.com
100%
–
chemovation.com
chemovation.com
100%
–
cytomyx.com
100%
View details
prosidion.com
100%
View details
biotrondiagnostics.com
100%
1.5K#9,362,675View 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 27 similar websites and full traffic analytics for Affymax

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  • 27 similar websites
  • Audience overlap
  • Engagement analytics
  • Traffic by brand

Verified entity values are shown only after access is granted.

Top companies in Metabolic Diseases

3 companies that operate in the same segment as Affymax (Metabolic Diseases) in United States, ranked by their profile score on The Company Check.

CompanyDescriptionFoundedLocationTotal fundingRevenueEmployees
Satiety induction through digestable gastric balloon introduced via a swallowed capsule
2009Wellesley, Massachusetts, United StatesUSD 174.04 MUSD 32.11 M137
Developer of peptide therapeutics for the treatment of rare genetic deficiencies
2010Boston, Massachusetts, United StatesUSD 84 MUSD 189.76 M283
Developer of small-molecule drugs
1991Los Angeles, California, United StatesUSD 50 MUSD 348.97 M407
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Related news about Affymax

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Complete news archive for Affymax

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Frequently Asked Questions about Affymax

Affymax was founded in 2001.

Affymax is headquartered in Palo Alto, United States. It is registered at Palo Alto, California, United States.

Affymax is a funded company, having raised a total of $131M across 4 funding rounds to date. The company's 1st funding round was a Private Equity Round of $51M, raised on Jul 2001.

Affymax is a biopharmaceutical company developing drugs to improve the treatment of serious and often life-threatening conditions. The companys first product candidate, peginesatide (formerly known as Hematide), has been investigated in Phase 3 trials for the potential treatment of anemia associated with chronic kidney disease (CKD). The company went public on December 15, 2006. The company has now shut its operations.

Affymax's top competitors include Unicycive, Peloton Therapeutics and Angion Biomedica.

Yes, Affymax is publicly traded on OTC under the ticker symbol AFFY.

Affymax has 4 investors. Key investors include Credit Suisse, Apax Partners, Bear Stearns Companies, and Turmeric Acquisition Corp.

Affymax operates through Affymax Inc.

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