stockNASDAQ: REGN • 28 Days Updates
Regeneron Pharmaceuticals (REGN)
Showing Closing Date Range from Sep 14 to Oct 12, 2026.
Regeneron Pharmaceuticals (REGN) develops and markets innovative medicines for eye diseases, allergies, cancer, and rare conditions, trading among Nasdaq Stocks. Shares last closed at $762.81, moving +5.00% over the past week and -3.90% across 28 days. Longer term, the stock is +16.26% over 3 months, +1.18% over 6 months and +36.77% over 12 months. Peer pharmaceutical and biotech companies PFE (Pfizer) (+2.45%), MRNA (Moderna) (+45.71%), ZTS (Zoetis) (+2.69%), MRK (Merck) (+0.41%) and JNJ (Johnson & Johnson) (-0.97%) moved over the same 28-day stretch, for comparison.
Investor Relations:regeneron.com
Price & Performance Trajectory
Regeneron Pharmaceuticals Inc.NASDAQ: REGN
Latest Close
$762.81
28 Days Updates Trajectory
Showing Closing Date Range from Sep 14 to Oct 12, 2026.Loading trajectory chart...
Click metric scorecards below to toggle price, return %, range & volume curvesREGN session performance
✓ Latest Close USD
$762.81
Latest session close
$-30.93vs period start
Period Return % % GAIN
-3.9%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$813.53 / $722.02
Period range envelope
$91.51channel spread
Total Volume SHARES
14.83M
Period turnover
Avg: 741.3K/dLiquidity
Historical Session Ledger
Daily open, high, low, and close prices with volume and period returns.
Historical Quotes & Breakdown(20 dates)
| Date | Close (USD) | Return % | High | Low | Volume |
|---|---|---|---|---|---|
| Oct 12, 2026 | $762.81 | +2.18% | $768.66 | $745.67 | 618.1K |
| Oct 09, 2026 | $746.54 | +0.94% | $751.27 | $733.70 | 465.3K |
| Oct 08, 2026 | $739.57 | -0.34% | $744.50 | $723.65 | 499.0K |
| Oct 07, 2026 | $742.12 | +0.46% | $753.66 | $734.18 | 625.6K |
| Oct 06, 2026 | $738.72 | +1.62% | $740.51 | $727.16 | 582.8K |
| Oct 05, 2026 | $726.47 | -1.19% | $736.42 | $722.02 | 691.0K |
| Oct 02, 2026 | $735.20 | +0.05% | $742.50 | $729.20 | 607.7K |
| Sep 30, 2026 | $758.27 | +1.03% | $763.72 | $742.94 | 872.4K |
| Sep 29, 2026 | $750.51 | -0.23% | $752.47 | $741.83 | 804.3K |
| Sep 28, 2026 | $752.25 | -4.54% | $780.95 | $750.00 | 1.15M |
| Sep 25, 2026 | $788.04 | -1.00% | $803.87 | $784.13 | 592.1K |
| Sep 24, 2026 | $796.02 | -0.72% | $807.21 | $789.39 | 602.6K |
| Sep 23, 2026 | $801.82 | -0.26% | $813.53 | $790.02 | 721.1K |
| Sep 22, 2026 | $803.90 | +0.72% | $811.66 | $791.31 | 599.1K |
| Sep 21, 2026 | $798.17 | +1.70% | $801.44 | $779.96 | 704.4K |
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