Affinia Therapeutics vs Spark Therapeutics, Inc.
Affinia Therapeutics
Building the next generation of gene therapies
34 employees · est. 2019 · Waltham, United States
Spark Therapeutics, Inc.
This company is now integrated into the Roche Group, united in our commitment to do now what patients need next
304 employees · est. 2013 · Philadelphia, United States
Spark Therapeutics, Inc. is the older company (2019 vs 2013); Spark Therapeutics, Inc. is the larger of the two.
Side-by-Side Comparison
| Metric | Affinia Therapeutics | Spark Therapeutics, Inc. |
|---|---|---|
| Founded | ||
| Founded | 2019 | 2013 older |
| Headquarters | ||
| Headquarters | Waltham, United States | Philadelphia, United States |
| Employees | ||
| Employees | 34 | 304 larger |
| Industry | ||
| Industry | Biotechnology, Health Care, Health and Wellness | Biotechnology, Health and Wellness |
| Funding Stage | ||
| Funding Stage | Series C | Acquired |
| Total Funding | ||
| Total Funding | $210.00M | $5.22B |
| Funding Rounds | ||
| Funding Rounds | 4 | 8 |
| Services | ||
| Services | Development of gene therapies, Clinical trials for BAG3 DCM, AAV-based therapeutic solutions, Research and development in genetic diseases | Developing gene therapies, Providing patient support services, Conducting clinical trials, Offering medical resources and information, Collaborations and partnerships |
| Target Customers | ||
| Target Customers | Patients with rare genetic diseases, Healthcare providers specializing in cardiology and neurology, Research institutions focused on genetic medicine, Biotechnology investors | Patients, Healthcare professionals, Medical researchers, Biotech partners, Pharmaceutical professionals |
| Taxonomy | ||
| Taxonomy | Gene TherapyAAV9 DeliveryGenetic MedicinesRare DiseasesCentral Nervous System DiseasesMuscle Diseases +8 | Gene TherapyInherited Retinal DiseasesNeurodegenerative DiseasesLiver-targeted TherapiesHemophiliaRetinal Degenerative Diseases +9 |
| Website | ||
| Website | affiniatx.com | sparktx.com |
About Affinia Therapeutics
Affinia Therapeutics, founded in 2019, is at the forefront of biotechnology, focusing on building the next generation of gene therapies. This United States-based company boasts a team with extensive experience in translating scientific discoveries into clinical realities, targeting the genetic roots...
About Spark Therapeutics, Inc.
Spark Therapeutics, Inc., founded in 2013, has positioned itself as a trailblazer within the Biotechnology and Health and Wellness industries. The company is dedicated to revolutionizing healthcare through gene therapy, focusing on critical areas such as inherited retinal diseases, neurodegenerative...
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Compiled from the BounceWatch company index. We last looked at Affinia Therapeutics on 15 Jun 2026, and Spark Therapeutics, Inc. on 9 Jun 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
