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Regeneron Pharmaceuticals Inc. (REGN)

NASDAQ

$810.66

$-17.35

(-2.10%)

After-Hours

Regeneron Pharmaceuticals Inc. (REGN) Live Price Chart

Last updated: ⁦2026-09-08 22:07:40⁩. Prices reflect the latest after-hours trading data. Stock price data is sourced from Massive.

Summary

Regeneron Pharmaceuticals Inc. (REGN) operates in the PHARMACEUTICAL PREPARATIONS sector and is listed on NASDAQ. The stock is currently priced at $810.66, with a market capitalization of $85.22B and a P/E ratio of --. Over the past 52 weeks, its price has ranged from $541.00 to $859.34. This page covers its latest market performance, valuation, price trends and company information.

Key Market Data

Market Cap	$85.22B
Open	$814.36
Day's High	$1,211.20
Day's Low	$4.61
Previous Close	$827.72
Volume	360.95K
Average Volume	846.60K
P/E Ratio	--
52-Week High	$859.34
52-Week Low	$541.00
Dividend Yield	--
Earnings Date	--

Regeneron Pharmaceuticals Inc. (REGN) After-Hours Stock Price

Regeneron Pharmaceuticals Inc. (REGN) is trading at $812.15 in after-hours trading as of 2026-09-08 22:01:00, down 1.88% ($15.58) from the regular-session close of $827.72.

After-hours trading shows how investors are pricing REGN after the regular session closes. The current after-hours price is below the regular-session close, indicating cautious after-hours sentiment.

Regeneron Pharmaceuticals Inc. (REGN) 7-Day Stock Price Change

Over the past seven days, Regeneron Pharmaceuticals Inc. (REGN) moved from $807.71 to $810.66, representing a gain of 0.36% ($2.95).

The stock traded between $779.08 and $859.34 during the period. The latest price is near the middle of the 7-day range, indicating range-bound.

The average daily volume was 662.75 thousand shares, down versus the previous seven-day period, indicating lower trading activity.

REGN 52-Week Price Position

Position in Range: 84.7%

52W Low$541.00

52W High$859.34

REGN is currently trading at $810.66, placing it 84.7% of the way from its 52-week low of $541.00 to its 52-week high of $859.34. This percentage reflects the stock's relative position within its 52-week trading range, not its valuation or future performance.

What is Regeneron Pharmaceuticals Inc. (REGN)?

Regeneron Pharmaceuticals discovers, develops, and commercializes products that fight eye disease, cardiovascular disease, cancer, and inflammation. The company has several marketed products, including low-dose Eylea and Eylea HD, approved for wet age-related macular degeneration and other eye diseases; Dupixent in immunology; Praluent for LDL cholesterol lowering; Libtayo in oncology; Kevzara in rheumatoid arthritis; and Lynozyfic for multiple myeloma. Regeneron has multiple partnerships and collaboration agreements, with Sanofi (Dupixent, others) and Bayer (Eylea) as its largest partners.

Regeneron Pharmaceuticals Inc. Information

Industry	PHARMACEUTICAL PREPARATIONS
Employees	15410
Exchange	NASDAQ
Company Website	https://www.regeneron.com

How to Buy Regeneron Pharmaceuticals Inc. (REGN) Stock on MEXC

Eligible investors can buy real shares of Regeneron Pharmaceuticals Inc. (REGN) through MEXC RealStocks. Follow these three steps to open a RealStocks account, transfer USDT, and place a US stock order.

Step 1: Open and Verify Your RealStocks Account

Log in to the MEXC App, go to Trade → RealStocks, and select Open Account. Complete the required account-opening and identity verification process with MEXC's partner licensed broker.

Step 2: Transfer USDT to Your RealStocks Account

Go to Wallets → RealStocks and transfer USDT from your Spot Account to your RealStocks Account. RealStocks are quoted in USD, while account funding can be completed using USDT.

Step 3: Search for REGN and Place Your Order

Open the RealStocks trading page and search for REGN. Select a market or limit order, enter the price and quantity as required, review the order details, and submit your order. Once filled, the corresponding real shares will be held in your RealStocks Account.

Frequently Asked Questions (FAQ)

1.What is Regeneron Pharmaceuticals Inc. (REGN) stock price today?

Regeneron Pharmaceuticals Inc. (REGN) is currently trading at $ 810.66, down 2.06% ($17.06) from the previous close of $ 827.72. Intraday prices update in real time during regular trading hours.

2.Is REGN stock going up or down today?

As of 2026-09-08 22:01:00, REGN is trading at $ 810.66, down 2.06% ($17.06) from its previous close of $ 827.72. The stock has traded between $ 4.61 and $ 1,211.20 during today’s regular session. Past price movements do not guarantee future results.

3.What is REGN pre-market price?

As of 2026-09-08 22:01:00, REGN is trading at $ 840.58 in pre-market trading, up 1.55% ($12.86) from the previous close of $ 827.72. Pre-market prices reflect trading activity before the regular session opens and may experience lower liquidity and higher volatility.

4.What is REGN after-hours price?

As of 2026-09-08 22:01:00, REGN is trading at $ 812.15 in after-hours trading, down 1.88% ($15.58) from the regular-session close of $ 827.72. After-hours prices may differ from the regular session’s opening price due to lower liquidity and wider bid-ask spreads.

5.Is REGN stock trading now?

REGN trades on the NASDAQ exchange during regular hours, Monday through Friday, 9:30 AM to 4:00 PM ET, excluding public holidays. Pre-market and after-hours trading are also available through select brokers outside these hours.

6.Where does REGN sit relative to its 52-week high and low?

Over the past 52 weeks, REGN has traded between a low of $ 541.00 and a high of $ 859.34. At $ 810.66, the stock is positioned 84.7% of the way from its 52-week low to its 52-week high, providing context for its current price within the one-year trading range.

7.What sector is Regeneron Pharmaceuticals Inc. in?

Regeneron Pharmaceuticals Inc. (REGN) operates in the PHARMACEUTICAL PREPARATIONS sector. Sector classification helps investors compare it with companies exposed to similar market trends and competitive conditions.

8.What is Regeneron Pharmaceuticals Inc.'s market capitalization and where is it listed?

Regeneron Pharmaceuticals Inc. is listed on the NASDAQ exchange with a market capitalization of $ 85.22B. Market cap reflects the total market value of all outstanding shares and is commonly used to classify stocks by size.

9.How is REGN valued in terms of P/E ratio and EPS?

REGN trades at a P/E ratio of --, based on trailing-twelve-month EPS of --. P/E ratio compares the stock price to earnings per share and is a common starting point for assessing valuation relative to peers.

10.Does Regeneron Pharmaceuticals Inc. pay a dividend?

Regeneron Pharmaceuticals Inc. pays an indicated annual cash dividend of $ 3.64 per share, with a current dividend yield of --% based on the latest share price. Dividend policies are subject to change at the board's discretion.