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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 Keytruda (pembrolizumab by Year

Keytruda (pembrolizumab — PD-1 immuno-oncology franchise) — Worldwide constant-currency (ex-exchange) growth YoY (%) (%)

Merck Keytruda (pembrolizumab: 7.0% in FY2025, down 15.0 pts from a year earlier. That is the lowest of the 8 years on record here.

Latest, FY2025
7.0%
Period ended Dec 31, 2025
Change on a year earlier
-15.0 pts
22.0% in FY2024
History
8 years
Since FY2017
Sources
8
Documents cited below

Where the FY2025 figure comes from

“|| Keytruda | 7,205 | 7,956 | 8,142 | 8,337 | 31,641 | 6,947 | 7,270 | 7,429 | 7,836 | 29,482 | 6 | 5 | 7 | 7”

Source: Form 8-K (tm264564d1_ex99-1.htm, filed 2026-02-03) ↗

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

Annual history

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

PeriodEndedKeytruda (pembrolizumab — PD-1 immuno-oncology franchise) — Worldwide constant-currency (ex-exchange) growth YoY (%) (%)Year on yearSource
FY2025Dec 31, 20257.0%-15.0 ptsForm 8-K (tm264564d1_ex99-1.htm, filed 2026-02-03) ↗
FY2024Dec 31, 202422.0%+1.0 ptsForm 8-K (tm255059d1_ex99-1.htm, filed 2025-02-04) ↗
FY2023Dec 31, 202321.0%–Form 8-K (tm244517d1_ex99-1.htm, filed 2024-02-01) ↗
FY2021Dec 31, 202118.0%-12.0 ptsForm 8-K (tm222755d1_ex99-1.htm, filed 2022-02-03) ↗
FY2020Dec 31, 202030.0%-28.0 ptsForm 8-K (tm213179d2_ex99-1.htm, filed 2021-02-04) ↗
FY2019Dec 31, 201958.0%-30.0 ptsForm 8-K (tm206551d1_ex99-1.htm, filed 2020-02-05) ↗
FY2018Dec 31, 201888.0%-83.0 ptsForm 8-K (a19-3795_1ex99d1.htm, filed 2019-02-01) ↗
FY2017Dec 31, 2017171.0%–Form 8-K (a18-5152_1ex99d1.htm, filed 2018-02-02) ↗

Cite this data

StockData. (2026). Merck Keytruda (pembrolizumab (%), annual FY2017–FY2025 [Data set]. Compiled from Merck SEC filings and investor materials. https://stockdatahq.com/stocks/mrk/kpis/rev-keytruda-ww-exfx-yoy

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