About Regeneron Pharmaceuticals, Inc. (REGN)
Regeneron Pharmaceuticals, Inc. is a Biotechnology company operating in the Healthcare sector.
REGN trades on the US stock exchanges (NYSE/NASDAQ) and is classified as a large-cap stock .
Key Statistics
- Current Price
- $927.89
- Market Cap
- $95.99B
- 52-Week High
- $935.35
- 52-Week Low
- $591.52
- Sector
- Healthcare
- Industry
- Biotechnology
$1,000 Invested in Regeneron Pharmaceuticals, Inc. (REGN)
How much would $1,000 invested in REGN be worth today?
What would $1,000 invested in REGN 1 year ago be worth today?
A $1,000 investment in Regeneron Pharmaceuticals, Inc. (REGN) in 2025 would be worth $1,426 as of November 2026, representing a +42.6% total return.
What would $1,000 invested in REGN 3 years ago be worth today?
A $1,000 investment in Regeneron Pharmaceuticals, Inc. (REGN) in 2023 would be worth $1,183 as of November 2026, representing a +18.3% total return.
What would $1,000 invested in REGN 5 years ago be worth today?
A $1,000 investment in Regeneron Pharmaceuticals, Inc. (REGN) in 2021 would be worth $1,626 as of November 2026, representing a +62.6% total return.
What would $1,000 invested in REGN 10 years ago be worth today?
A $1,000 investment in Regeneron Pharmaceuticals, Inc. (REGN) in 2016 would be worth $2,577 as of November 2026, representing a +157.7% total return.
What would $1,000 invested in REGN at IPO be worth today?
A $1,000 investment in Regeneron Pharmaceuticals, Inc. (REGN) at IPO would be worth $44,338 as of November 2026, representing a +4333.8% total return.
Monthly Returns Heatmap
Over the past 35+ years (426 months), Regeneron Pharmaceuticals, Inc. (REGN) has averaged a monthly return of +2.92% with a median return of +0.05%. The stock had 213 positive months (50%) and 208 negative months (49%). The best month in REGN's history was February 2000 with a +358.9% return, while the worst was March 2003 at -59.0%. Historically, February tends to be the strongest month (averaging +8.7%), and March the weakest (-4.3%).
REGN's longest winning streak was 7 consecutive months of gains, while its longest losing streak was 6 consecutive months of losses. The best full year was 2000 with a cumulative return of +352.3%, and the worst was 1994 at -124.9%.
Annual Returns
Over 35 years of trading history, Regeneron Pharmaceuticals, Inc. (REGN) has delivered an average annual return of +28.60% with a median return of +20.68%. The compound annual growth rate (CAGR) is +11.93%. The stock posted gains in 23 years (66%) and losses in 12 years (34%).
REGN's best year was 1995 with a +325.00% gain, while the worst was 1994 at -80.65%. The longest streak of consecutive positive years was 7, and the longest losing streak was 4 years. REGN achieved double-digit gains (10%+) in 20 years. It suffered double-digit losses in 11 years.
| Year | Return | Start | End |
|---|---|---|---|
| 2026 | +20.68% | $768.90 | $927.89 |
| 2025 | +8.96% | $705.67 | $768.90 |
| 2024 | -18.90% | $870.08 | $705.67 |
| 2023 | +21.73% | $714.75 | $870.08 |
| 2022 | +14.25% | $625.62 | $714.75 |
| 2021 | +30.72% | $478.59 | $625.62 |
| 2020 | +28.66% | $371.97 | $478.59 |
| 2019 | +0.53% | $370.01 | $371.97 |
| 2018 | -0.65% | $372.45 | $370.01 |
| 2017 | +2.42% | $363.66 | $372.45 |
| 2016 | -32.38% | $537.79 | $363.66 |
| 2015 | +32.33% | $406.41 | $537.79 |
| 2014 | +49.05% | $272.67 | $406.41 |
| 2013 | +60.89% | $169.47 | $272.67 |
| 2012 | +208.62% | $54.91 | $169.47 |
| 2011 | +68.84% | $32.52 | $54.91 |
| 2010 | +35.77% | $23.95 | $32.52 |
| 2009 | +31.70% | $18.19 | $23.95 |
| 2008 | -23.98% | $23.92 | $18.19 |
| 2007 | +20.33% | $19.88 | $23.92 |
| 2006 | +26.23% | $15.75 | $19.88 |
| 2005 | +72.64% | $9.12 | $15.75 |
| 2004 | -37.39% | $14.57 | $9.12 |
| 2003 | -20.53% | $18.34 | $14.57 |
| 2002 | -34.27% | $27.90 | $18.34 |
| 2001 | -20.15% | $34.94 | $27.90 |
| 2000 | +176.59% | $12.63 | $34.94 |
| 1999 | +72.88% | $7.31 | $12.63 |
| 1998 | -13.87% | $8.48 | $7.31 |
| 1997 | -46.90% | $15.97 | $8.48 |
| 1996 | +26.47% | $12.63 | $15.97 |
| 1995 | +325.00% | $2.97 | $12.63 |
| 1994 | -80.65% | $15.36 | $2.97 |
| 1993 | +29.17% | $11.89 | $15.36 |
| 1992 | -33.79% | $17.96 | $11.89 |
Frequently Asked Questions: REGN
What sector is REGN in? ▼
REGN operates in the Healthcare sector, specifically in the Biotechnology industry. This sector includes pharmaceutical companies, biotechnology firms, medical device manufacturers, and healthcare providers.
How has REGN performed historically? ▼
Over 35 years of trading history, REGN has posted gains in 23 years (66% of the time). The best year was 1995 with a +325.0% return. Past performance does not guarantee future results.
How can I invest in REGN? ▼
You can invest in REGN through any brokerage account that offers access to US stock exchanges. Popular options include commission-free brokers like Fidelity, Charles Schwab, or Robinhood (US), or international brokers like Interactive Brokers. You can buy individual shares or invest through ETFs that hold REGN.
Last updated: 11/1/2026