AMGN vs GILD: which was the better investment?
Amgen Inc. against Gilead Sciences, Inc. on real daily total-return data — every dividend reinvested, from Jan 22, 1992 to Jul 15, 2026.
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Frequently asked questions
Did AMGN beat GILD?
No — measured from Jan 22, 1992 to Jul 15, 2026 with dividends reinvested, GILD came out ahead: $3,001,999 versus $599,115 from a $10,000 start. That gap compounds from a 18.0% annual return against 12.6%.
What would $10,000 in AMGN be worth today?
$10,000 invested in Amgen Inc. (AMGN) on Jan 22, 1992 would be worth about $599,115 as of Jul 15, 2026, a total return of 5891.1% (12.6% per year). The same $10,000 in GILD would be worth $3,001,999.
Which was riskier — AMGN or GILD?
AMGN swung with an annualized volatility of 32.7% and a worst peak-to-trough drop of -60.2%; GILD ran at 46.3% volatility with a -70.8% maximum drawdown. Risk-adjusted (Sharpe ratio), that is 0.32 for AMGN vs 0.35 for GILD.
What data is this comparison based on?
Daily adjusted closing prices covering Jan 22, 1992 through Jul 15, 2026 — the full period where both assets have price history. Adjusted prices include dividends and splits, so these are total returns. The page refreshes with new market data every day.
Can I change the dates, amounts, or add monthly investing?
Yes — the interactive tool on this page is pre-loaded with AMGN vs GILD. You can set any start and end date, change the starting amount, add monthly contributions, or build a multi-asset portfolio and compare it against any benchmark.