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Merck & Co., Inc.

MRKNYSEPharmaceutical PreparationsFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 7, 2026Score 9/30250% above fair value
$149.52+3.19 (+2.18%)

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) — Worldwide constant-currency (ex-exchange) growth YoY (%) (%)

Merck Isentress / Isentress HD (raltegravir: -31.0% in Q2 2026, down 27.0 pts from a year earlier.

Latest, Q2 2026
-31.0%
Period ended Jun 30, 2026
Change on a year earlier
-27.0 pts
-4.0% in Q2 2025
History
7 quarters
Since Q1 2024
Sources
7
Documents cited below

Where the Q2 2026 figure comes from

“|| Isentress/Isentress HD | 59 | 60 | 119 | 90 | 86 | 176 | 82 | 67 | 325 | -30 | -31 | -32 | -33”

Source: Form 8-K (tm2621496d1_ex99-1.htm, filed 2026-08-04) ↗

Reported in Form 8-K Table 3 / 10-K / 10-Q MD&A.

Quarterly history

Hover a value to see the sentence it was read from; calculated values show their formula

PeriodEndedIsentress / Isentress HD (raltegravir — HIV-1 integrase inhibitor) — Worldwide constant-currency (ex-exchange) growth YoY (%) (%)Year on yearSource
Q2 2026Jun 30, 2026-31.0%-27.0 ptsForm 8-K (tm2621496d1_ex99-1.htm, filed 2026-08-04) ↗
Q4 2025Dec 31, 2025-28.0%-21.0 ptsForm 8-K (tm264564d1_ex99-1.htm, filed 2026-02-03) ↗
Q3 2025Sep 30, 2025-21.0%–Form 8-K (tm2529620d1_ex99-1.htm, filed 2025-10-30) ↗
Q2 2025Jun 30, 2025-4.0%+27.0 ptsForm 8-K (tm2521736d1_ex99-1.htm, filed 2025-07-29) ↗
Q4 2024Dec 31, 2024-7.0%–Form 8-K (tm255059d1_ex99-1.htm, filed 2025-02-04) ↗
Q2 2024Jun 30, 2024-31.0%–Form 8-K (tm2420272d1_ex99-1.htm, filed 2024-07-30) ↗
Q1 2024Mar 31, 2024-7.0%–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-ww-exfx-yoy

See every metric in the Merck KPI table. Data updated Oct 26, 2026.