Regeneron Pharmaceuticals (REGN)
Showing Closing Date Range from Jul 21 to Oct 19, 2026 compared to Apr 21 to Jul 20, 2026.
Compare Last 3 Months with Previous Period
Investor Relations:regeneron.com
Current Period Close
$790.74
Jul 21, 2026 - Oct 19, 2026
Previous Period Close
$672.15
Apr 21, 2026 - Jul 20, 2026
Net Comparison Delta
+$118.59 (+17.64%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(62 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 16, 2026 | $790.74 | Jul 20, 2026 | $672.15 | +17.64% |
| Oct 15, 2026 | $796.34 | Jul 17, 2026 | $676.69 | +17.68% |
| Oct 14, 2026 | $778.36 | Jul 16, 2026 | $678.94 | +14.64% |
| Oct 13, 2026 | $753.12 | Jul 15, 2026 | $664.45 | +13.34% |
| Oct 12, 2026 | $762.81 | Jul 14, 2026 | $656.12 | +16.26% |
| Oct 09, 2026 | $746.54 | Jul 13, 2026 | $663.09 | +12.59% |
| Oct 08, 2026 | $739.57 | Jul 10, 2026 | $664.52 | +11.29% |
| Oct 07, 2026 | $742.12 | Jul 09, 2026 | $667.95 | +11.10% |
| Oct 06, 2026 | $738.72 | Jul 08, 2026 | $662.88 | +11.44% |
| Oct 05, 2026 | $726.47 | Jul 07, 2026 | $676.23 | +7.43% |
| Oct 02, 2026 | $735.20 | Jul 06, 2026 | $649.81 | +13.14% |
| Sep 30, 2026 | $758.27 | Jul 02, 2026 | $654.27 | +15.90% |
| Sep 29, 2026 | $750.51 | Jul 01, 2026 | $624.72 | +20.14% |
| Sep 28, 2026 | $752.25 | Jun 30, 2026 | $623.54 | +20.64% |
| Sep 25, 2026 | $788.04 | Jun 29, 2026 | $631.81 | +24.73% |
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