REGN vs VRTX: which was the better investment?
Regeneron Pharmaceuticals, Inc. against Vertex Pharmaceuticals Incorporated on real daily total-return data — every dividend reinvested, from Jul 24, 1991 to Jul 15, 2026.
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Frequently asked questions
Did REGN beat VRTX?
No — measured from Jul 24, 1991 to Jul 15, 2026 with dividends reinvested, VRTX came out ahead: $1,051,978 versus $640,673 from a $10,000 start. That gap compounds from a 14.2% annual return against 12.6%.
What would $10,000 in REGN be worth today?
$10,000 invested in Regeneron Pharmaceuticals, Inc. (REGN) on Jul 24, 1991 would be worth about $640,673 as of Jul 15, 2026, a total return of 6306.7% (12.6% per year). The same $10,000 in VRTX would be worth $1,051,978.
Which was riskier — REGN or VRTX?
REGN swung with an annualized volatility of 62.8% and a worst peak-to-trough drop of -91.8%; VRTX ran at 54.8% volatility with a -91.8% maximum drawdown. Risk-adjusted (Sharpe ratio), that is 0.17 for REGN vs 0.22 for VRTX.
What data is this comparison based on?
Daily adjusted closing prices covering Jul 24, 1991 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 REGN vs VRTX. 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.