Regeneron Pharmaceuticals (REGN) Stock Backtest
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A $1,000.00 investment in Regeneron Pharmaceuticals (REGN) on 1991-04-02 would be worth $30.30K as of 2026-06-05. That is a total return of +2930% over roughly 35.2 years, holding 47.7283 shares (dividends reinvested, splits adjusted). The compound annual growth rate (CAGR) was +10.2% per year. Along the way the position saw a maximum drawdown of -91.8% from its running peak. All figures are computed from real split- and dividend-adjusted daily closes (source: Yahoo Finance), not estimates.
| Invested | $1,000.00 on 1991-04-02 |
| Value today | $30.30K (as of 2026-06-05) |
| Total return | +2930% |
| CAGR (per year) | +10.2% |
| Max drawdown | -91.8% |
| Shares held | 47.7283 |
Source: autario.com/data/stock-regn-regeneron-pharmaceuticals-daily-prices (Yahoo Finance, split- and dividend-adjusted) | data verified and hosted on autario.com.