ALNY vs ARCT
ALNY: Alnylam is a global leader in RNA interference therapeutics, pioneering a new class of genetic medicines to treat rare and serious diseases. ARCT: Arcturus Therapeutics develops self-amplifying mRNA therapeutics and vaccines, with the first approved sa-mRNA COVID vaccine (KOSTAIVE) generating revenue while advancing pipeline programs for rare genetic diseases.
Side-by-side fundamentals
| Metric | ALNY | ARCT | Edge |
|---|---|---|---|
| Price as of 2026-07-22 close | $266.99 | $5.93 | |
| Market cap as of 2026-07-23 | $36.2B | $168M | |
| P/E as of 2026-07-23 | 62.77 | n/a | |
| PEG as of 2026-07-23 | 1.11 | -0.18 | ARCT lower |
| Net margin as of 2026-07-23 | +13.5% | -143.8% | ALNY higher |
| Gross margin as of 2026-07-23 | +80.8% | n/a | |
| Operating margin as of 2026-07-23 | +16.6% | -161.5% | ALNY higher |
| ROE as of 2026-07-23 | +98.3% | -36.5% | ALNY higher |
| ROA as of 2026-07-23 | +11.8% | -28.4% | ALNY higher |
| Debt / equity as of 2026-07-23 | 2.52 | 0.00 | ARCT lower |
| Revenue growth (YoY) as of 2026-07-23 | +82.6% | -61.9% | ALNY higher |
| Revenue CAGR (3y) SEC XBRL | +53.0% | -26.4% | ALNY higher |
| Beta as of 2026-07-23 | 0.24 | 2.28 | |
| 1-year return as of 2026-07-22 close | -15.3% | -56.6% | ALNY higher |
Fundamentals: Finnhub, as of 2026-07-23. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-07-22.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & Finnhub, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.