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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 ProQuad — Worldwide reported growth YoY by Quarter

ProQuad — Worldwide reported growth YoY (%) (%)

QuarterlyAnnual

Merck ProQuad — Worldwide reported growth YoY: -14.0% in Q2 2026, down 29.0 pts from a year earlier.

Latest, Q2 2026
-14.0%
Period ended Jun 30, 2026
Change on a year earlier
-29.0 pts
15.0% in Q2 2025
History
19 quarters
Since Q1 2020
Sources
19
Documents cited below

Where the Q2 2026 figure comes from

“|| ProQuad | 235 | 273 | (14) | % | (15) | % | 434 | 395 | 10 | % | 8 | %”

Source: Form 10-Q (mrk-20260630.htm, filed 2026-08-07) ↗

Reported in Form 10-Q / 10-K MD&A Pediatric Vaccines Disclosure.

Quarterly history

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

PeriodEndedProQuad — Worldwide reported growth YoY (%) (%)Year on yearSource
Q2 2026Jun 30, 2026-14.0%-29.0 ptsForm 10-Q (mrk-20260630.htm, filed 2026-08-07) ↗
Q1 2026Mar 31, 202664.0%+105.0 ptsForm 10-Q (mrk-20260331.htm, filed 2026-05-04) ↗
Q2 2025Jun 30, 202515.0%+8.0 ptsForm 10-Q (mrk-20250630.htm, filed 2025-08-05) ↗
Q1 2025Mar 31, 2025-41.0%-49.0 ptsForm 10-Q (mrk-20250331.htm, filed 2025-05-02) ↗
Q3 2024Sep 30, 20243.0%+2.0 ptsForm 10-Q (mrk-20240930.htm, filed 2024-11-06) ↗
Q2 2024Jun 30, 20247.0%+3.0 ptsForm 10-Q (mrk-20240630.htm, filed 2024-08-05) ↗
Q1 2024Mar 31, 20248.0%-9.0 ptsForm 10-Q (mrk-20240331.htm, filed 2024-05-03) ↗
Q3 2023Sep 30, 20231.0%-7.0 ptsForm 10-Q (mrk-20230930.htm, filed 2023-11-03) ↗
Q2 2023Jun 30, 20234.0%-9.0 ptsForm 10-Q (mrk-20230630.htm, filed 2023-08-07) ↗
Q1 2023Mar 31, 202317.0%+19.0 ptsForm 10-Q (mrk-20230331.htm, filed 2023-05-05) ↗
Q3 2022Sep 30, 20228.0%-4.0 ptsForm 10-Q (mrk-20220930.htm, filed 2022-11-03) ↗
Q2 2022Jun 30, 202213.0%-29.0 ptsForm 10-Q (mrk-20220630.htm, filed 2022-08-05) ↗
Q1 2022Mar 31, 2022-2.0%-7.0 ptsForm 10-Q (mrk-20220331.htm, filed 2022-05-05) ↗
Q3 2021Sep 30, 202112.0%+18.0 ptsForm 10-Q (mrk-20210930.htm, filed 2021-11-05) ↗
Q2 2021Jun 30, 202142.0%+77.0 ptsForm 10-Q (mrk-20210630.htm, filed 2021-08-09) ↗
Q1 2021Mar 31, 20215.0%+2.0 ptsForm 10-Q (mrk-20210331.htm, filed 2021-05-05) ↗

Cite this data

StockData. (2026). Merck ProQuad — Worldwide reported growth YoY (%), quarterly Q1 2020–Q2 2026 [Data set]. Compiled from Merck SEC filings and investor materials. https://stockdatahq.com/stocks/mrk/kpis/rev-proquad-nom-yoy

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