Alnylam Pharmaceuticals vs Expansion Therapeutics
Alnylam Pharmaceuticals
Alnylam is the leading RNAi therapeutics company. We're a fast-growing biopharma with a deep pipeline and global reach
2883 employees · est. 2002 · Cambridge, United States
Expansion Therapeutics
Bringing transformative therapies to patients with severe RNA-mediated diseases
29 employees · est. 2016 · Jupiter, United States
Alnylam Pharmaceuticals is the older company (2002 vs 2016); Alnylam Pharmaceuticals is the larger of the two.
Side-by-Side Comparison
| Metric | Alnylam Pharmaceuticals | Expansion Therapeutics |
|---|---|---|
| Founded | ||
| Founded | 2002 older | 2016 |
| Headquarters | ||
| Headquarters | Cambridge, United States | Jupiter, United States |
| Employees | ||
| Employees | 2883 larger | 29 |
| Industry | ||
| Industry | Not tracked yet | Biotechnology, Health Care, Health and Wellness |
| Funding Stage | ||
| Funding Stage | IPO | Venture round |
| Total Funding | ||
| Total Funding | $4.26B | $142.22M |
| Funding Rounds | ||
| Funding Rounds | 11 | 3 |
| Services | ||
| Services | Development of RNAi-based medicines, Clinical development and trials, Patient services and support, Scientific presentations and publications | Not tracked yet |
| Target Customers | ||
| Target Customers | Patients with rare and prevalent diseases, Healthcare professionals, Investors, Biotech industry collaborators | Not tracked yet |
| Taxonomy | ||
| Taxonomy | RNAi TherapeuticsBiopharmaceuticalsDrug DevelopmentGene SilencingRare Disease TreatmentInnovative Medicines +9 | RNA-mediated DiseasesDrug DiscoverySmall Molecule MedicinesExpansion Repeat DiseasesTherapeuticsJupiter +9 |
| Website | ||
| Website | alnylam.com | expansionrx.com |
About Alnylam Pharmaceuticals
Alnylam Pharmaceuticals, founded in 2002, stands at the forefront of RNA interference (RNAi) therapeutics, pioneering a groundbreaking approach to treat diseases by "silencing" the genes that contribute to them. Headquartered in the United States, Alnylam has emerged as a leader in the biopharmaceut...
About Expansion Therapeutics
Expansion Therapeutics, founded in 2016, is a biotechnology and healthcare startup based in United States. The company's mission as stated in their slogan, "Bringing transformative therapies to patients with severe RNA-mediated diseases," is to develop small molecule medicines for RNA-mediated disea...
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Compiled from the BounceWatch company index. We last looked at Alnylam Pharmaceuticals on 9 Jun 2026, and Expansion Therapeutics on 13 Sep 2024. 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.
