Pfizer vs Merck & Co.: which one returned more?

In short — over ~10 years, $1,000 invested in Pfizer would be worth $855 vs $2,550 for Merck & Co. → Merck & Co. wins. Average annual return: Pfizer -2%/yr, Merck & Co. +10%/yr. Price performance, excluding dividends.

$1,000 invested in Pfizer or Merck & Co.

Investment ↕	Pfizer i ↕	Merck & Co. i ↕	Winner ↕
5 years ago	$719	$1,646	🔵 Merck & Co.
10 years ago	$855	$2,550	🔵 Merck & Co.

Return by year: Pfizer vs Merck & Co.

Year ▼	Pfizer i ↕	Merck & Co. i ↕	Winner ↕
2026	-13%	+22%	🔵 Merck & Co.
2025	+5%	+6%	🔵 Merck & Co.
2024	0%	-9%	🟢 Pfizer
2023	-35%	-2%	🔵 Merck & Co.
2022	-14%	+45%	🔵 Merck & Co.
2021	+40%	-2%	🟢 Pfizer
2020	+6%	-10%	🟢 Pfizer
2019	-23%	+19%	🔵 Merck & Co.
2018	+19%	+36%	🔵 Merck & Co.
2017	+6%	-4%	🟢 Pfizer
2016	+15%	+11%	🟢 Pfizer

⚠️ Past performance, not predictive nor advice. Prices in $, excluding dividends. Yahoo Finance data.

Frequently asked questions

Pfizer or Merck & Co.: which returned more over 10 years?

Over ~10 years, $1,000 invested in Pfizer is worth $855 vs $2,550 for Merck & Co.. Merck & Co. wins over this period (price performance, excluding dividends). Past performance does not predict the future.

Is this comparison investment advice?

No. It is a factual comparison of past performance (real Yahoo Finance prices), for educational purposes. Diversify and adapt to your horizon and risk tolerance.

What is JPI Invest?

JPI Invest ranks financial analysts on their real results (targets replayed against real prices, backtested over 11 years) and derives stock selections. Beyond asset comparisons, explore the interactive table, the method and the best stocks to buy.