Amgen Inc.: Breaking Down 10-Year Investment Growth, Step by Step

Investment Scenario
Let’s go back to 2015. Imagine an investor who invested $1,000.00 in Amgen Inc. (AMGN) company stock and held it steadily for 10 years . Instead of chasing short-term gains, the investor adopted a long-term approach—holding the shares without selling. Over time, the value of the investment grew not only through stock price appreciation but also through the accumulation of dividend payouts.

As of January 1, 2025, the $1,000.00 investment in NASDAQ:AMGN would be worth approximately $1,573.08 , thanks to stock splits, price appreciation, and consistent dividend payouts. This reflects a total Gain from stocks of 573.08 , a return on investment (ROI) of 57.31%, and an annualized compounded growth rate (CAGR) of around 4.63%. This highlights the power of long-term investing and shows how a disciplined, patient approach—paired with investing in a fundamentally strong company like Amgen Inc. (AMGN)—can lead to significant wealth creation over time.

Wealth grew over time through a mix of dividend income and stock price appreciation. Dividends added to capital, while stock splits increased the number of shares held. Even without reinvesting dividends, the portfolio expanded steadily. As years passed, compounding took effect — turning small gains into larger ones. Holding the stock long-term allowed capital to grow naturally. This shows how patience, steady returns, and the power of compounding can help build lasting wealth from a single investment.

Amgen Inc. Investment Summary (2015–2025)

By 2025, the share price increased to $262.18. This resulted in a significant appreciation in the value of the investment. 

 This performance reflects a Compound Annual Growth Rate (CAGR) of approximately 4.63% — a strong return over the period. 

Yearly Breakdown

Insights from the Market

AMGN has traded between a 52-week low of 253.30 and a high of 340.89 per share so far this year.
Investors who bought $1,000.00 worth of AMGN shares 10 years ago would now be looking at an investment valued at approximately $573.08 (as of 1 January 2025), based on the share price alone — with total returns rising to $1,942.44 when including $369.36 in dividends received over the period.