Discontinued — last reported Q1 '26

Products & Services · Sales

Welireg — Sales

Merck & Co. Welireg — Sales decreased by 54.9% to $199.00M in Q1 2026 compared to the prior quarter. Year-over-year, this metric declined by 27.6%, from $275.00M to $199.00M. Over 4 years (FY 2021 to FY 2025), Welireg — Sales shows an upward trend with a 172.4% CAGR. This decline may warrant attention — for this metric, higher values are generally preferred.

Analysis

StatementSegment
CategoryGrowth
SignalHigher is better
VolatilityModerate
First reportedQ1 2021
Last reportedQ1 2026
Rolls up toTotal Revenue

How to read this metric

An increase indicates successful market penetration, expanded clinical indications, or growing physician adoption, while a decrease may signal increased competition, patent challenges, or declining demand.

Detailed definition

This metric represents the total annual revenue generated from the sale of Welireg, a therapeutic product within the com...

Peer comparison

Comparable to revenue metrics for specific high-growth oncology or specialty pharmaceutical products at peer biopharmaceutical companies.

Metric ID: mrk_segment_welireg_sales

Historical Data

20 periods
 Q2 '21Q3 '21Q4 '21Q1 '22Q2 '22Q3 '22Q4 '22Q1 '23Q2 '23Q3 '23Q4 '23Q1 '24Q2 '24Q3 '24Q4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Value$6.50M$6.50M$6.50M$36.00M$54.00M$76.00M$80.00M$84.00M$101.00M$108.00M$144.00M$169.00M$252.00M$278.00M$319.00M$275.00M$324.00M$392.00M$441.00M$199.00M
QoQ Change+0.0%+0.0%+453.8%+50.0%+40.7%+5.3%+5.0%+20.2%+6.9%+33.3%+17.4%+49.1%+10.3%+14.7%-13.8%+17.8%+21.0%+12.5%-54.9%
YoY Change+730.8%>999%>999%+133.3%+87.0%+42.1%+80.0%+101.2%+149.5%+157.4%+121.5%+62.7%+28.6%+41.0%+38.2%-27.6%
Range$6.50M$441.00M
CAGR+105.5%
Avg YoY Growth+246.6%
Median YoY Growth+94.1%

Frequently Asked Questions

What is Merck & Co.'s welireg — sales?
Merck & Co. (MRK) reported welireg — sales of $199.00M in Q1 2026.
How has Merck & Co.'s welireg — sales changed year-over-year?
Merck & Co.'s welireg — sales decreased by 27.6% year-over-year, from $275.00M to $199.00M.
What is the long-term trend for Merck & Co.'s welireg — sales?
Over 4 years (2021 to 2025), Merck & Co.'s welireg — sales has grown at a 172.4% compound annual growth rate (CAGR), from $26.00M to $1.43B.
What does welireg — sales mean?
The total annual revenue generated from the sale of the Welireg pharmaceutical product.