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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 9/30242% above fair value
$149.52+3.19 (+2.18%)

Close on Oct 30, 2026Market cap $368.89BP/E 119.6Yield 2.19%

Merck Singulair by Quarter

Singulair (montelukast, legacy pre-Organon spin-off) — U.S. reported growth YoY (%) (%)

QuarterlyAnnual

Merck Singulair: -8.0% in Q1 2021, up 3.0 pts from a year earlier. No newer figure appears in the documents we track.

Latest, Q1 2021
-8.0%
Period ended Mar 31, 2021
Change on a year earlier
+3.0 pts
-11.0% in Q1 2020
History
12 quarters
Since Q4 2017
Sources
12
Documents cited below

Where the Q1 2021 figure comes from

“|| Singulair | 107 | 155 | -31 | 4 | 5 | -8 | 102 | 151 | -32”

Source: Form 8-K (tm2114316d1_ex99-1.htm, filed 2021-04-29) ↗

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

PeriodEndedSingulair (montelukast, legacy pre-Organon spin-off) — U.S. reported growth YoY (%) (%)Year on yearSource
Q1 2021Mar 31, 2021-8.0%+3.0 ptsForm 8-K (tm2114316d1_ex99-1.htm, filed 2021-04-29) ↗
Q3 2020Sep 30, 2020-61.0%-177.0 ptsForm 8-K (tm2032785d1_ex99-1.htm, filed 2020-10-27) ↗
Q2 2020Jun 30, 2020-45.0%-103.0 ptsForm 8-K (tm2026006d1_ex99-1.htm, filed 2020-07-31) ↗
Q1 2020Mar 31, 2020-11.0%-7.0 ptsForm 8-K (tm2016917d1_ex99-1.htm, filed 2020-04-28) ↗
Q4 2019Dec 31, 201914.0%+79.0 ptsForm 8-K (tm206551d1_ex99-1.htm, filed 2020-02-05) ↗
Q3 2019Sep 30, 2019116.0%–Form 8-K (tm1921023d1_ex99-1.htm, filed 2019-10-29) ↗
Q2 2019Jun 30, 201958.0%+78.0 ptsForm 8-K (a19-15283_1ex99d1.htm, filed 2019-07-30) ↗
Q1 2019Mar 31, 2019-4.0%-3.0 ptsForm 8-K (a19-8996_1ex99d1.htm, filed 2019-04-30) ↗
Q4 2018Dec 31, 2018-65.0%-80.0 ptsForm 8-K (a19-3795_1ex99d1.htm, filed 2019-02-01) ↗
Q2 2018Jun 30, 2018-20.0%–Form 8-K (a18-17779_1ex99d1.htm, filed 2018-07-27) ↗
Q1 2018Mar 31, 2018-1.0%–Form 8-K (a18-12417_1ex99d1.htm, filed 2018-05-01) ↗
Q4 2017Dec 31, 201715.0%–Form 8-K (a18-5152_1ex99d1.htm, filed 2018-02-02) ↗

Cite this data

StockData. (2026). Merck Singulair (%), quarterly Q4 2017–Q1 2021 [Data set]. Compiled from Merck SEC filings and investor materials. https://stockdatahq.com/stocks/mrk/kpis/rev-singulair-us-nom-yoy

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