Regeneron Pharmaceuticals, Inc. (REGN)
NASDAQ: REGN · Real-Time Price · USD
561.55
+4.99 (0.90%)
At close: Aug 13, 2025, 4:00 PM
560.55
-1.00 (-0.18%)
After-hours: Aug 13, 2025, 7:58 PM EDT
Regeneron Pharmaceuticals Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 13, 2025 | 557.08 | 565.50 | 552.00 | 561.55 | 561.55 | 0.90% | 1,095,680 |
| Aug 12, 2025 | 547.94 | 562.74 | 547.09 | 556.56 | 556.56 | 1.94% | 766,066 |
| Aug 11, 2025 | 561.52 | 572.58 | 544.16 | 545.94 | 545.94 | -3.03% | 1,104,021 |
| Aug 8, 2025 | 559.80 | 567.69 | 558.06 | 563.00 | 563.00 | 0.57% | 1,024,326 |
| Aug 7, 2025 | 557.66 | 565.48 | 553.05 | 559.80 | 559.80 | 0.84% | 811,334 |
| Aug 6, 2025 | 569.00 | 573.47 | 550.50 | 555.13 | 555.13 | -2.59% | 865,190 |
| Aug 5, 2025 | 570.25 | 579.82 | 568.50 | 569.90 | 569.90 | -0.29% | 993,471 |
| Aug 4, 2025 | 566.98 | 577.21 | 562.01 | 571.54 | 571.54 | 2.27% | 1,362,681 |
| Aug 1, 2025 | 583.01 | 583.28 | 542.89 | 558.87 | 558.87 | 2.46% | 1,656,806 |
| Jul 31, 2025 | 550.01 | 558.13 | 541.61 | 545.46 | 545.46 | -1.64% | 1,413,850 |
| Jul 30, 2025 | 560.45 | 563.59 | 550.49 | 554.58 | 554.58 | -0.64% | 564,909 |
| Jul 29, 2025 | 558.00 | 559.61 | 552.00 | 558.15 | 558.15 | -0.09% | 814,915 |
| Jul 28, 2025 | 563.53 | 567.95 | 558.54 | 558.63 | 558.63 | -0.79% | 588,433 |
| Jul 25, 2025 | 565.41 | 567.21 | 555.50 | 563.10 | 563.10 | -0.27% | 755,848 |
| Jul 24, 2025 | 572.54 | 577.73 | 563.67 | 564.64 | 564.64 | -1.35% | 1,037,662 |
| Jul 23, 2025 | 568.12 | 576.70 | 563.01 | 572.39 | 572.39 | 2.04% | 891,360 |
| Jul 22, 2025 | 546.92 | 563.00 | 546.92 | 560.93 | 560.93 | 2.82% | 976,733 |
| Jul 21, 2025 | 543.44 | 552.98 | 542.50 | 545.53 | 545.53 | 0.55% | 709,159 |
| Jul 18, 2025 | 550.00 | 550.89 | 541.50 | 542.52 | 542.52 | -1.36% | 1,307,873 |
| Jul 17, 2025 | 545.67 | 554.48 | 542.01 | 550.00 | 550.00 | 0.38% | 989,311 |
| Jul 16, 2025 | 550.00 | 558.35 | 546.57 | 547.93 | 547.93 | -0.01% | 1,089,879 |
| Jul 15, 2025 | 574.15 | 574.75 | 546.28 | 547.96 | 547.96 | -3.97% | 998,623 |
| Jul 14, 2025 | 566.10 | 575.13 | 562.00 | 570.59 | 570.59 | 0.50% | 717,139 |
| Jul 11, 2025 | 558.39 | 568.46 | 551.48 | 567.74 | 567.74 | 1.43% | 844,645 |
| Jul 10, 2025 | 554.38 | 566.37 | 550.11 | 559.76 | 559.76 | 1.30% | 827,678 |
| Jul 9, 2025 | 547.10 | 558.38 | 545.38 | 552.58 | 552.58 | 0.88% | 843,861 |
| Jul 8, 2025 | 538.87 | 559.46 | 537.45 | 547.75 | 547.75 | 1.79% | 847,399 |
| Jul 7, 2025 | 546.00 | 547.59 | 532.60 | 538.11 | 538.11 | -1.69% | 960,252 |
| Jul 3, 2025 | 547.75 | 555.00 | 546.61 | 547.36 | 547.36 | -0.07% | 456,413 |
| Jul 2, 2025 | 533.66 | 551.50 | 529.69 | 547.74 | 547.74 | 2.40% | 818,173 |
| Jul 1, 2025 | 523.97 | 548.04 | 521.00 | 534.91 | 534.91 | 1.89% | 1,200,806 |
| Jun 30, 2025 | 520.21 | 526.08 | 518.90 | 525.00 | 525.00 | 0.77% | 1,013,260 |
| Jun 27, 2025 | 521.79 | 531.21 | 517.39 | 521.00 | 521.00 | - | 1,607,841 |
| Jun 26, 2025 | 520.00 | 524.52 | 514.79 | 521.00 | 521.00 | 0.14% | 965,552 |
| Jun 25, 2025 | 521.40 | 525.63 | 516.99 | 520.29 | 520.29 | -0.38% | 639,648 |
| Jun 24, 2025 | 515.79 | 527.45 | 515.79 | 522.27 | 522.27 | 2.02% | 970,565 |
| Jun 23, 2025 | 510.00 | 516.18 | 507.61 | 511.92 | 511.92 | 0.43% | 1,076,307 |
| Jun 20, 2025 | 521.05 | 521.31 | 506.38 | 509.72 | 509.72 | -0.75% | 2,259,498 |
| Jun 18, 2025 | 508.51 | 519.17 | 503.25 | 513.58 | 513.58 | 0.93% | 841,127 |
| Jun 17, 2025 | 519.27 | 523.01 | 508.70 | 508.86 | 508.86 | -2.64% | 890,421 |
| Jun 16, 2025 | 532.88 | 538.20 | 520.22 | 522.68 | 522.68 | -1.24% | 1,325,768 |
| Jun 13, 2025 | 518.25 | 529.55 | 514.98 | 529.24 | 529.24 | 1.42% | 951,912 |
| Jun 12, 2025 | 517.23 | 525.22 | 512.97 | 521.84 | 521.84 | 0.62% | 873,334 |
| Jun 11, 2025 | 525.77 | 528.37 | 516.10 | 518.60 | 518.60 | -0.94% | 963,105 |
| Jun 10, 2025 | 520.00 | 529.99 | 518.16 | 523.53 | 523.53 | 1.15% | 1,175,230 |
| Jun 9, 2025 | 498.00 | 518.27 | 494.42 | 517.60 | 517.60 | 4.94% | 1,983,125 |
| Jun 6, 2025 | 485.54 | 499.88 | 485.00 | 493.22 | 493.22 | 2.10% | 1,497,999 |
| Jun 5, 2025 | 486.00 | 491.77 | 476.49 | 483.07 | 483.07 | -0.38% | 1,791,412 |
| Jun 4, 2025 | 491.71 | 499.90 | 482.99 | 484.93 | 484.93 | -0.60% | 1,870,674 |
| Jun 3, 2025 | 490.79 | 501.11 | 485.34 | 487.86 | 487.86 | -0.60% | 2,141,551 |