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Regeneron Pharmaceuticals Inc (REGN)

Nasdaq · Common stock · Pharmaceutical Preparations

$805.06-2.43 (-0.30%)

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REGN at a glance

Key statistics

$83.13B

Market capitalization

Previous close
$807.48
Open
$801.52
Day range
$800.75 – $813.32
Volume
308.0K
Average volume (30 sessions)
719.4K
Shares outstanding
101.14M
Price / earnings
19.2
Earnings per share
$42.04
Price / book
2.6
Price / sales
5.3
Dividend yield
0.46%
Beta (1 year, vs SPY)
0.49

Where the price sits in its year

52-week range

81% of the range

Below the 52-week high
-6.3%
Above the 52-week low
+40.6%

Completed sessions through Oct 20, 2026

Technical snapshot

Above its 50-day and 200-day averages

20-day average
$764.06+5.7%
50-day average
$790.80+2.1%
200-day average
$735.62+9.8%
RSI (14)60.9

Between the conventional 30 and 70 bands.

+7.2%

1 week

+1.2%

1 month

+24.0%

3 months

+4.6%

Year to date

+39.7%

1 year

Price change over each window, from completed sessions. Past performance does not indicate future results.

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What members do with REGN

From the public news wire

REGN headlines

Market news →

SEC Form 4, most recent first

Insider filings

How to read these →
  • MURPHY ANDREW J

    −380

    Co-Chief Scientific Officer · Open-market sale

    $296.24K · Oct 14, 2026

  • MURPHY ANDREW J

    −6

    Co-Chief Scientific Officer · Open-market sale

    $4.52K · Oct 14, 2026

  • MURPHY ANDREW J

    −211

    Co-Chief Scientific Officer · Open-market sale

    $163.01K · Oct 14, 2026

  • MURPHY ANDREW J

    −192

    Co-Chief Scientific Officer · Open-market sale

    $147.34K · Oct 14, 2026

  • MURPHY ANDREW J

    −74

    Co-Chief Scientific Officer · Open-market sale

    $56.29K · Oct 14, 2026

  • MURPHY ANDREW J

    −16

    Co-Chief Scientific Officer · Open-market sale

    $12.12K · Oct 14, 2026

  • MURPHY ANDREW J

    −55

    Co-Chief Scientific Officer · Open-market sale

    $41.94K · Oct 14, 2026

  • MURPHY ANDREW J

    −279

    Co-Chief Scientific Officer · Open-market sale

    $213.85K · Oct 14, 2026

About Regeneron Pharmaceuticals Inc

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.

Exchange
Nasdaq
Security
Common stock
Industry
Pharmaceutical Preparations
Headquarters
Tarrytown, NY
Employees
15,410
Listed since
Apr 2, 1991
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