Merck & Co., Inc.
Close on Oct 30, 2026Market cap $368.89BP/E 119.6Yield 2.19%
Merck Isentress / Isentress HD (raltegravir by Quarter
Isentress / Isentress HD (raltegravir — HIV-1 integrase inhibitor) — U.S. reported growth YoY (%) (%)
Merck Isentress / Isentress HD (raltegravir: -26.0% in Q2 2026, down 39.0 pts from a year earlier. That is the lowest of the 9 quarters on record here.
Where the Q2 2026 figure comes from
“|| Isentress/Isentress HD | 60 | 86 | -30 | 36 | 48 | -26 | 24 | 38 | -36”
Source: Form 8-K (tm2621496d1_ex99-1.htm, filed 2026-08-04) ↗
Reported in Form 8-K Table 3a / 3b Product Sales.
Quarterly history
Hover a value to see the sentence it was read from; calculated values show their formula
| Period | Ended | Isentress / Isentress HD (raltegravir — HIV-1 integrase inhibitor) — U.S. reported growth YoY (%) (%) | Year on year | Source |
|---|---|---|---|---|
| Q2 2026 | Jun 30, 2026 | -26.0% | -39.0 pts | Form 8-K (tm2621496d1_ex99-1.htm, filed 2026-08-04) ↗ |
| Q4 2025 | Dec 31, 2025 | -3.0% | +20.0 pts | Form 8-K (tm264564d1_ex99-1.htm, filed 2026-02-03) ↗ |
| Q3 2025 | Sep 30, 2025 | -18.0% | -12.0 pts | Form 8-K (tm2529620d1_ex99-1.htm, filed 2025-10-30) ↗ |
| Q2 2025 | Jun 30, 2025 | 13.0% | +37.0 pts | Form 8-K (tm2521736d1_ex99-1.htm, filed 2025-07-29) ↗ |
| Q1 2025 | Mar 31, 2025 | 2.0% | +5.0 pts | Form 8-K (tm2512885d1_ex99-1.htm, filed 2025-04-24) ↗ |
| Q4 2024 | Dec 31, 2024 | -23.0% | – | Form 8-K (tm255059d1_ex99-1.htm, filed 2025-02-04) ↗ |
| Q3 2024 | Sep 30, 2024 | -6.0% | – | Form 8-K (tm2426878d1_ex99-1.htm, filed 2024-10-31) ↗ |
| Q2 2024 | Jun 30, 2024 | -24.0% | – | Form 8-K (tm2420272d1_ex99-1.htm, filed 2024-07-30) ↗ |
| Q1 2024 | Mar 31, 2024 | -3.0% | – | Form 8-K (tm2412490d1_ex99-1.htm, filed 2024-04-25) ↗ |
Cite this data
StockData. (2026). Merck Isentress / Isentress HD (raltegravir (%), quarterly Q1 2024–Q2 2026 [Data set]. Compiled from Merck SEC filings and investor materials. https://stockdatahq.com/stocks/mrk/kpis/rev-isentress-us-nom-yoy
See every metric in the Merck KPI table. Data updated Oct 26, 2026.