ASMB vs MRK
ASMB: Assembly Biosciences develops next-generation antivirals targeting herpes and hepatitis viruses, with a portfolio advancing through clinical trials and now powered by a Gilead partnership licensing its genital herpes program. MRK: Global pharmaceutical and vaccine leader with oncology, infectious disease, and animal health franchises, anchored by blockbuster immunotherapy Keytruda.
Side-by-side fundamentals
| Metric | ASMB | MRK | Edge |
|---|---|---|---|
| Price as of 2026-07-22 close | $26.04 | $127.47 | |
| Market cap as of 2026-07-23 | $513M | $315.3B | |
| P/E as of 2026-07-23 | n/a | 35.29 | |
| PEG as of 2026-07-23 | n/a | 4.34 | |
| Net margin as of 2026-07-23 | -9.0% | +13.6% | MRK higher |
| Gross margin as of 2026-07-23 | n/a | +78.1% | |
| Operating margin as of 2026-07-23 | -19.1% | +18.2% | MRK higher |
| ROE as of 2026-07-23 | -4.2% | +17.9% | MRK higher |
| ROA as of 2026-07-23 | -3.1% | +7.0% | MRK higher |
| Debt / equity as of 2026-07-23 | 0.00 | 1.07 | ASMB lower |
| Revenue growth (YoY) as of 2026-07-23 | +121.1% | +2.9% | ASMB higher |
| Revenue CAGR (3y) SEC XBRL | n/a | +3.1% | |
| Dividend yield as of 2026-07-23 | n/a | +2.7% | |
| Dividend streak (yrs) SEC XBRL | n/a | 5 | |
| Beta as of 2026-07-23 | 1.09 | 0.21 | |
| 1-year return as of 2026-07-22 close | +45.0% | +56.2% | MRK 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.