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Merck & Co., Inc. (MRK) operating KPIs

MRKNYSEPharmaceutical PreparationsFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 7, 2026Score 9/30242% above fair value
$146.33+5.40 (+3.83%)

Close on Oct 29, 2026Market cap $361.02BP/E 117.1Yield 2.24%

Merck dificid (fidaxomicin — C. difficile infection) — Worldwide reported growth YoY (%) (%)

Form 8-K Table 3 / 3a / 3b Product Sales

QuarterlyAnnual
Latest, Q2 2026
-77.0%
Period ended Jun 30, 2026
Change on a year earlier
-82.0 pts
5.0% in Q2 2025
History
16 quarters
Since Q1 2022
Sources
16
Documents cited below

Quarterly history

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

PeriodEndedDificid (fidaxomicin — C. difficile infection) — Worldwide reported growth YoY (%) (%)Year on yearSource
Q2 2026Jun 30, 2026-77.0%-82.0 ptsForm 8-K (tm2621496d1_ex99-1.htm, filed 2026-08-04) ↗
Q4 2025Dec 31, 2025-68.0%-59.0 ptsForm 8-K (tm264564d1_ex99-1.htm, filed 2026-02-03) ↗
Q3 2025Sep 30, 2025-55.0%-86.0 ptsForm 8-K (tm2529620d1_ex99-1.htm, filed 2025-10-30) ↗
Q2 2025Jun 30, 20255.0%-15.0 ptsForm 8-K (tm2521736d1_ex99-1.htm, filed 2025-07-29) ↗
Q1 2025Mar 31, 202513.0%+1.0 ptsForm 8-K (tm2512885d1_ex99-1.htm, filed 2025-04-24) ↗
Q4 2024Dec 31, 2024-9.0%-39.0 ptsForm 8-K (tm255059d1_ex99-1.htm, filed 2025-02-04) ↗
Q3 2024Sep 30, 202431.0%+35.0 ptsForm 8-K (tm2426878d1_ex99-1.htm, filed 2024-10-31) ↗
Q2 2024Jun 30, 202420.0%+6.0 ptsForm 8-K (tm2420272d1_ex99-1.htm, filed 2024-07-30) ↗
Q1 2024Mar 31, 202412.0%-13.0 ptsForm 8-K (tm2412490d1_ex99-1.htm, filed 2024-04-25) ↗
Q4 2023Dec 31, 202330.0%–Form 8-K (tm244517d1_ex99-1.htm, filed 2024-02-01) ↗
Q3 2023Sep 30, 2023-4.0%-46.0 ptsForm 8-K (tm2328962d1_ex99-1.htm, filed 2023-10-26) ↗
Q2 2023Jun 30, 202314.0%-81.0 ptsForm 8-K (tm2322190d1_ex99-1.htm, filed 2023-08-01) ↗
Q1 2023Mar 31, 202325.0%-70.0 ptsForm 8-K (tm2313695d1_ex99-1.htm, filed 2023-04-27) ↗
Q3 2022Sep 30, 202242.0%–Form 8-K (tm2227726d1_ex99-1.htm, filed 2022-10-27) ↗
Q2 2022Jun 30, 202295.0%–Form 8-K (tm2221828d1_ex99-1.htm, filed 2022-07-28) ↗
Q1 2022Mar 31, 202295.0%–Form 8-K (tm2213615d1_ex99-1.htm, filed 2022-04-28) ↗

Cite this data

StockData. (2026). Merck Dificid (fidaxomicin — C. difficile infection) — Worldwide reported growth YoY (%) (%), quarterly Q1 2022–Q2 2026 [Data set]. Compiled from Merck SEC filings and investor materials. https://stockdatahq.com/stocks/mrk/kpis/rev_dificid_ww_nom_yoy

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