StockData
Merck & Co., Inc. logo

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 Pifeltro (doravirine by Year

Pifeltro (doravirine — HIV-1 NNRTI) — International reported growth YoY (%) (%)

Merck Pifeltro (doravirine: 18.0% in FY2025, down 4.0 pts from a year earlier.

Latest, FY2025
18.0%
Period ended Dec 31, 2025
Change on a year earlier
-4.0 pts
22.0% in FY2024
History
2 years
Since FY2024
Sources
2
Documents cited below

Where the FY2025 figure comes from

“|| Pifeltro | 171 | 163 | 5 | 111 | 113 | -1 | 59 | 50 | 18”

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

Reported in Form 8-K Table 3a / 3b Product Sales.

Annual history

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

PeriodEndedPifeltro (doravirine — HIV-1 NNRTI) — International reported growth YoY (%) (%)Year on yearSource
FY2025Dec 31, 202518.0%-4.0 ptsForm 8-K (tm264564d1_ex99-1.htm, filed 2026-02-03) ↗
FY2024Dec 31, 202422.0%–Form 8-K (tm255059d1_ex99-1.htm, filed 2025-02-04) ↗

Cite this data

StockData. (2026). Merck Pifeltro (doravirine (%), annual FY2024–FY2025 [Data set]. Compiled from Merck SEC filings and investor materials. https://stockdatahq.com/stocks/mrk/kpis/rev-pifeltro-intl-nom-yoy

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