Regeneron Pharmaceuticals, Inc. (REGN)
NASDAQ: REGN · Real-Time Price · USD
573.38
+6.16 (1.09%)
At close: Sep 5, 2025, 4:00 PM
571.86
-1.52 (-0.27%)
After-hours: Sep 5, 2025, 7:50 PM EDT
Regeneron Pharmaceuticals Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 5, 2025 | 565.15 | 577.75 | 565.00 | 573.38 | 573.38 | 1.09% | 944,416 |
| Sep 4, 2025 | 568.01 | 581.98 | 559.62 | 567.22 | 567.22 | 0.61% | 1,124,613 |
| Sep 3, 2025 | 581.99 | 588.70 | 562.79 | 563.80 | 563.80 | -2.44% | 1,117,342 |
| Sep 2, 2025 | 580.54 | 585.49 | 570.35 | 577.90 | 577.90 | -0.48% | 1,020,575 |
| Aug 29, 2025 | 577.15 | 581.25 | 575.89 | 580.70 | 580.70 | 0.19% | 574,375 |
| Aug 28, 2025 | 586.43 | 590.96 | 575.04 | 579.61 | 579.61 | -1.25% | 616,620 |
| Aug 27, 2025 | 591.87 | 597.02 | 585.50 | 586.96 | 586.96 | -0.12% | 584,150 |
| Aug 26, 2025 | 573.00 | 588.10 | 567.08 | 587.65 | 587.65 | 2.67% | 1,614,497 |
| Aug 25, 2025 | 591.06 | 594.88 | 572.25 | 572.38 | 572.38 | -2.90% | 881,012 |
| Aug 22, 2025 | 602.35 | 610.45 | 585.50 | 589.48 | 589.48 | -1.45% | 1,439,350 |
| Aug 21, 2025 | 586.87 | 605.18 | 585.10 | 598.16 | 598.16 | 1.21% | 1,010,305 |
| Aug 20, 2025 | 572.33 | 596.92 | 570.39 | 591.01 | 591.01 | 3.36% | 1,298,657 |
| Aug 19, 2025 | 575.30 | 581.69 | 570.80 | 571.78 | 571.78 | -0.37% | 854,756 |
| Aug 18, 2025 | 582.09 | 585.00 | 573.81 | 573.91 | 573.91 | -1.12% | 769,389 |
| Aug 15, 2025 | 577.96 | 581.95 | 570.84 | 580.41 | 579.52 | 2.55% | 1,122,244 |
| Aug 14, 2025 | 560.90 | 573.49 | 558.00 | 565.97 | 565.10 | 0.79% | 976,320 |
| Aug 13, 2025 | 557.08 | 565.50 | 552.00 | 561.55 | 560.69 | 0.90% | 1,096,184 |
| Aug 12, 2025 | 547.94 | 562.74 | 547.09 | 556.56 | 555.70 | 1.94% | 766,066 |
| Aug 11, 2025 | 561.52 | 572.58 | 544.16 | 545.94 | 545.10 | -3.03% | 1,104,021 |
| Aug 8, 2025 | 559.80 | 567.69 | 558.06 | 563.00 | 562.14 | 0.57% | 1,024,326 |
| Aug 7, 2025 | 557.66 | 565.48 | 553.05 | 559.80 | 558.94 | 0.84% | 811,334 |
| Aug 6, 2025 | 569.00 | 573.47 | 550.50 | 555.13 | 554.28 | -2.59% | 865,190 |
| Aug 5, 2025 | 570.25 | 579.82 | 568.50 | 569.90 | 569.03 | -0.29% | 993,471 |
| Aug 4, 2025 | 566.98 | 577.21 | 562.01 | 571.54 | 570.67 | 2.27% | 1,362,681 |
| Aug 1, 2025 | 583.01 | 583.28 | 542.89 | 558.87 | 558.01 | 2.46% | 1,656,806 |
| Jul 31, 2025 | 550.01 | 558.13 | 541.61 | 545.46 | 544.63 | -1.64% | 1,413,850 |
| Jul 30, 2025 | 560.45 | 563.59 | 550.49 | 554.58 | 553.73 | -0.64% | 564,909 |
| Jul 29, 2025 | 558.00 | 559.61 | 552.00 | 558.15 | 557.29 | -0.09% | 814,915 |
| Jul 28, 2025 | 563.53 | 567.95 | 558.54 | 558.63 | 557.78 | -0.79% | 588,433 |
| Jul 25, 2025 | 565.41 | 567.21 | 555.50 | 563.10 | 562.24 | -0.27% | 755,848 |
| Jul 24, 2025 | 572.54 | 577.73 | 563.67 | 564.64 | 563.78 | -1.35% | 1,037,662 |
| Jul 23, 2025 | 568.12 | 576.70 | 563.01 | 572.39 | 571.51 | 2.04% | 891,360 |
| Jul 22, 2025 | 546.92 | 563.00 | 546.92 | 560.93 | 560.07 | 2.82% | 976,733 |
| Jul 21, 2025 | 543.44 | 552.98 | 542.50 | 545.53 | 544.70 | 0.55% | 709,159 |
| Jul 18, 2025 | 550.00 | 550.89 | 541.50 | 542.52 | 541.69 | -1.36% | 1,307,873 |
| Jul 17, 2025 | 545.67 | 554.48 | 542.01 | 550.00 | 549.16 | 0.38% | 989,311 |
| Jul 16, 2025 | 550.00 | 558.35 | 546.57 | 547.93 | 547.09 | -0.01% | 1,089,879 |
| Jul 15, 2025 | 574.15 | 574.75 | 546.28 | 547.96 | 547.12 | -3.97% | 998,623 |
| Jul 14, 2025 | 566.10 | 575.13 | 562.00 | 570.59 | 569.72 | 0.50% | 717,139 |
| Jul 11, 2025 | 558.39 | 568.46 | 551.48 | 567.74 | 566.87 | 1.43% | 844,645 |
| Jul 10, 2025 | 554.38 | 566.37 | 550.11 | 559.76 | 558.90 | 1.30% | 827,678 |
| Jul 9, 2025 | 547.10 | 558.38 | 545.38 | 552.58 | 551.73 | 0.88% | 843,861 |
| Jul 8, 2025 | 538.87 | 559.46 | 537.45 | 547.75 | 546.91 | 1.79% | 847,399 |
| Jul 7, 2025 | 546.00 | 547.59 | 532.60 | 538.11 | 537.29 | -1.69% | 960,252 |
| Jul 3, 2025 | 547.75 | 555.00 | 546.61 | 547.36 | 546.52 | -0.07% | 456,413 |
| Jul 2, 2025 | 533.66 | 551.50 | 529.69 | 547.74 | 546.90 | 2.40% | 818,173 |
| Jul 1, 2025 | 523.97 | 548.04 | 521.00 | 534.91 | 534.09 | 1.89% | 1,200,806 |
| Jun 30, 2025 | 520.21 | 526.08 | 518.90 | 525.00 | 524.20 | 0.77% | 1,013,260 |
| Jun 27, 2025 | 521.79 | 531.21 | 517.39 | 521.00 | 520.20 | - | 1,607,841 |
| Jun 26, 2025 | 520.00 | 524.52 | 514.79 | 521.00 | 520.20 | 0.14% | 965,552 |