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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 non-GAAP Effective Income Tax Rate (%) (%)

Form 8-K Table 2a

QuarterlyAnnual
Latest, Q2 2026
160.3%
Period ended Jun 30, 2026
Change on a year earlier
+145.3 pts
15.0% in Q2 2025
History
38 quarters
Since Q4 2016
Sources
32
Documents cited below

Quarterly history

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

PeriodEndedNon-GAAP Effective Income Tax Rate (%) (%)Year on yearSource
Q2 2026Jun 30, 2026160.3%+145.3 ptsForm 8-K (tm2621496d1_ex99-1.htm, filed 2026-08-04) ↗
Q1 2026Mar 31, 2026-43.5%-57.7 ptsForm 8-K (tm2612241d1_ex99-1.htm, filed 2026-04-30) ↗
Q4 2025Dec 31, 202515.4%-0.8 ptsForm 8-K (tm264564d1_ex99-1.htm, filed 2026-02-03) ↗
Q3 2025Sep 30, 202513.4%-8.5 ptsForm 8-K (tm2529620d1_ex99-1.htm, filed 2025-10-30) ↗
Q2 2025Jun 30, 202515.0%+0.9 ptsForm 8-K (tm2621496d1_ex99-1.htm, filed 2026-08-04) ↗
Q1 2025Mar 31, 202514.2%-1.9 ptsForm 8-K (tm2612241d1_ex99-1.htm, filed 2026-04-30) ↗
Q4 2024Dec 31, 202416.2%-98.0 ptsForm 8-K (tm264564d1_ex99-1.htm, filed 2026-02-03) ↗
Q3 2024Sep 30, 202421.9%+6.9 ptsForm 8-K (tm2529620d1_ex99-1.htm, filed 2025-10-30) ↗
Q2 2024Jun 30, 202414.1%+32.5 ptsForm 8-K (tm2521736d1_ex99-1.htm, filed 2025-07-29) ↗
Q1 2024Mar 31, 202416.1%-4.3 ptsForm 8-K (tm2512885d1_ex99-1.htm, filed 2025-04-24) ↗
Q4 2023Dec 31, 2023114.2%+98.6 ptsForm 8-K (tm255059d1_ex99-1.htm, filed 2025-02-04) ↗
Q3 2023Sep 30, 202315.0%+1.4 ptsForm 8-K (tm2426878d1_ex99-1.htm, filed 2024-10-31) ↗
Q2 2023Jun 30, 2023-18.4%-32.2 ptsForm 8-K (tm2420272d1_ex99-1.htm, filed 2024-07-30) ↗
Q1 2023Mar 31, 202320.4%+6.4 ptsForm 8-K (tm2412490d1_ex99-1.htm, filed 2024-04-25) ↗
Q4 2022Dec 31, 202215.6%–Form 8-K (tm244517d1_ex99-1.htm, filed 2024-02-01) ↗
Q3 2022Sep 30, 202213.6%+0.8 ptsForm 8-K (tm2328962d1_ex99-1.htm, filed 2023-10-26) ↗

Cite this data

StockData. (2026). Merck Non-GAAP Effective Income Tax Rate (%) (%), quarterly Q4 2016–Q2 2026 [Data set]. Compiled from Merck SEC filings and investor materials. https://stockdatahq.com/stocks/mrk/kpis/nongaap_etr

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