Regeneron Pharmaceuticals (REGN) Total Return Calculator
$10,000 since Dec 2007, with and without reinvesting · data through Oct 2026
$10,000 invested in Regeneron Pharmaceuticals (REGN) ten years ago, at the end of Oct 2016, was worth $27,149 at the end of Oct 2026 with every dividend reinvested: 10.5% a year, against $41,633 in the S&P 500. Since Dec 2007, $10,000 became $387,914 reinvested (21.4% a year), or $386,976 taking the dividends as cash, $2,757 of it paid out along the way.
REGN became
$387,914
S&P 500: $72,756
Return a year
21.4%
S&P 500: 11.1%
Payouts reinvested
$2,768
bought more shares
Worst drop
-58.5%
S&P 500: -48.2%
$10,000, Dec 2007 to Oct 2026
Payouts reinvested · S&P 500 reinvested
| Year | REGN total return | Paid out | S&P 500 |
|---|---|---|---|
| 2026 (part) | +20.7% | $1,172 | +11.7% |
| 2025 | +9.0% | $1,454 | +17.7% |
| 2024 | −18.9% | $9 | +24.9% |
| 2023 | +21.7% | $7 | +26.2% |
| 2022 | +14.2% | $8 | −18.2% |
| 2021 | +30.7% | $8 | +28.7% |
| 2020 | +28.7% | $6 | +18.3% |
| 2019 | +0.5% | $6 | +31.2% |
| 2018 | −0.7% | $10 | −4.6% |
| 2017 | +2.4% | $9 | +21.7% |
| 2016 | −32.4% | $8 | +12.0% |
| 2015 | +32.3% | $11 | +1.2% |
| 2014 | +49.1% | $8 | +13.5% |
| 2013 | +60.9% | $8 | +32.3% |
| 2012 | +208.6% | $10 | +16.0% |
| 2011 | +68.8% | $9 | +1.9% |
| 2010 | +35.8% | $6 | +15.1% |
| 2009 | +31.7% | $7 | +26.4% |
| 2008 | −24.0% | $13 | −36.8% |
"Paid out" is what your holding received that year. Month-end prices; no costs or taxes.
Key facts: REGN total return
Data as of · Source: SmarterDividends data
- $10,000 invested in Regeneron Pharmaceuticals (REGN) at the end of Dec 2007, with dividends reinvested, was worth $387,914 at the end of Oct 2026: 21.4% a year, against $72,756 (11.1% a year) in the S&P 500.
- Over the 10 years to Oct 2026, REGN turned $10,000 into $27,149 with dividends reinvested, 10.5% a year.
- Over the 5 years to Oct 2026, REGN returned 7.9% a year with dividends reinvested (S&P 500: 12.0%).
- Taking REGN's dividends as cash instead of reinvesting them, the same $10,000 ended at $386,976, including $2,757 of cash received; reinvesting added $938.
- REGN's best calendar year in that time was 2012 (208.6%) and its worst 2016 (-32.4%), with dividends reinvested.
Cite this page
SmarterDividends, "Regeneron Pharmaceuticals (REGN) Total Return Calculator," updated Nov 5, 2026, https://smarterdividends.com/stocks/REGN/total-return
REGN total return questions
If I invested $10,000 in REGN 10 years ago, how much would I have?
About $27,149 at the end of Oct 2026, with every dividend reinvested: 10.5% a year. Taking them as cash, you'd have shares worth $26,894 or so plus the cash you received. The same $10,000 in the S&P 500 became $41,633.
What is REGN's total return since Dec 2007?
3779% in total, or 21.4% a year, through Oct 2026 with dividends reinvested. The share price alone rose 3742%.
How much of REGN's return came from dividends?
About 0% of its yearly return since Dec 2007. Reinvesting them, rather than taking cash, left you $938 better off on a $10,000 start.
What was REGN's worst year?
2016, at -32.4% with dividends reinvested (S&P 500: 12.0%). Its deepest fall from a peak, on month-end values, was -58.5%.
How is total return calculated here?
From month-end prices: the adjusted price counts every dividend reinvested in the month it was paid; the plain price doesn't. The S&P 500 is SPY with its dividends reinvested. No trading costs or taxes.