If you'd invested in Regeneron Pharmaceuticals (REGN): performance and returns
Looking for Regeneron Pharmaceuticals's share price history and how much the stock has returned? Here's its year-by-year performance and what $1,000 invested at different dates would be worth today.
💰 Calculator: how much would Regeneron Pharmaceuticals have returned?
This calculator shows how much Regeneron Pharmaceuticals stock would have returned based on the amount invested and the starting year. Pick a sum and a year and you'll instantly see what it would be worth today and the total gain. Real prices, excluding dividends.
If I'd invested $1,000 in Regeneron Pharmaceuticals
| Investment | Worth today | Gain |
|---|---|---|
| 1 years ago | $875 | -12% |
| 3 years ago | $864 | -14% |
| 5 years ago | $1,291 | +29% |
| 10 years ago | $1,149 | +15% |
| since inception (1991) | $50,901 | +4990% |
Return by year (Regeneron Pharmaceuticals)
| Year | Return | $1,000 invested at year start |
|---|---|---|
| 2026 (YTD) | -19% | $808 (-19%) |
| 2025 | +8% | $875 (-12%) |
| 2024 | -19% | $710 (-29%) |
| 2023 | +22% | $864 (-14%) |
| 2022 | +14% | $987 (-1%) |
| 2021 | +31% | $1,291 (+29%) |
| 2020 | +29% | $1,661 (+66%) |
| 2019 | +1% | $1,669 (+67%) |
| 2018 | -1% | $1,659 (+66%) |
| 2017 | +2% | $1,699 (+70%) |
| 2016 | -32% | $1,149 (+15%) |
Frequently asked questions
How much does REGN return?
$1,000 invested in Regeneron Pharmaceuticals 10 years ago would be worth $1,149 today, i.e. +1%/yr on average (price, excluding dividends).
What was REGN's best/worst year?
Best year: 2021 (+31%). Worst year: 2016 (-32%). Year-by-year detail is above.
How much would $1,000 invested in REGN since inception be worth?
Since 1991, $1,000 would have become $50,901 (+4990%). Past performance is not a guarantee.
Do Regeneron Pharmaceuticals's returns include dividends?
No — these returns are price-only. If Regeneron Pharmaceuticals pays a dividend, its total return would be somewhat higher — see its dividend page.
What is Regeneron Pharmaceuticals's average annual return (ROI)?
Regeneron Pharmaceuticals's return on investment is about +1%/yr over 10 years (price, excluding dividends), versus the S&P 500's ~10%/yr over the long run.