If you invested $1000 in Amgen Inc. (AMGN) 10 years ago, it would be worth $3,206.5 as of August 16, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $2,071.49, while $1000 invested 1 year ago would be worth $1,450.67. This corresponds to total returns of 220.65%, 107.15%, 45.07%, respectively, with annualized returns of 12.35%, 15.67%, 45.07%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| August 14, 2026 | 413.76 | 415.21 | 415.21 | 416.03 | 410.5 | 1.66M |
| August 13, 2026 | 419.92 | 417.84 | 417.84 | 420.26 | 415.78 | 2.43M |
| August 12, 2026 | 413.31 | 416.18 | 416.18 | 418.19 | 409 | 2.06M |
| August 11, 2026 | 415.52 | 414.3 | 414.3 | 421.79 | 412.2 | 2.03M |
| August 10, 2026 | 408.46 | 417.2 | 417.2 | 417.36 | 406.42 | 1.92M |
| August 07, 2026 | 404.09 | 410.95 | 410.95 | 411.6 | 401.07 | 1.76M |
| August 06, 2026 | 413.72 | 404.85 | 404.85 | 418.4 | 401.2 | 2.54M |
| August 05, 2026 | 393.36 | 407.83 | 407.83 | 416.24 | 391 | 5.56M |
| August 04, 2026 | 380.76 | 390.02 | 390.02 | 390.92 | 376.02 | 3.46M |
| August 03, 2026 | 388.5 | 378.87 | 378.87 | 391.03 | 375.96 | 3.23M |
| July 31, 2026 | 382 | 385.16 | 385.16 | 386.82 | 379.34 | 1.93M |
| July 30, 2026 | 379.75 | 387.64 | 387.64 | 388.41 | 378.22 | 2.91M |
| July 29, 2026 | 395.03 | 387.64 | 387.64 | 397.88 | 386.59 | 2.81M |
| July 28, 2026 | 383.25 | 393.1 | 393.1 | 398 | 382.21 | 3.3M |
| July 27, 2026 | 378.55 | 376.26 | 376.26 | 382.28 | 374.4 | 2.62M |
| July 23, 2026 | 359.98 | 371.5 | 371.5 | 371.84 | 359.21 | 2.73M |
| July 22, 2026 | 369.23 | 366.05 | 366.05 | 371 | 364.86 | 1.54M |
| July 21, 2026 | 365.09 | 366.24 | 366.24 | 368.91 | 362.14 | 2.74M |
| July 20, 2026 | 367.95 | 364.17 | 364.17 | 370.29 | 363.65 | 1.82M |
| July 17, 2026 | 373.97 | 366.29 | 366.29 | 378.54 | 361.72 | 2.78M |
| July 16, 2026 | 358.25 | 371.58 | 371.58 | 372.14 | 357.74 | 2.27M |
| July 15, 2026 | 354.66 | 358.32 | 358.32 | 359.9 | 353.95 | 1.76M |
| July 14, 2026 | 358.18 | 355.25 | 355.25 | 358.86 | 354.71 | 1.54M |
| July 13, 2026 | 363.04 | 360.45 | 360.45 | 363.29 | 355.73 | 1.69M |
| July 10, 2026 | 363.08 | 363.39 | 363.39 | 364.9 | 361.14 | 1.56M |
| July 09, 2026 | 367.82 | 363.62 | 363.62 | 368.75 | 361.03 | 1.71M |
| July 08, 2026 | 366.19 | 367.99 | 367.99 | 371.42 | 363 | 1.73M |
| July 07, 2026 | 374.28 | 368.1 | 368.1 | 375.25 | 366.36 | 1.94M |
| July 06, 2026 | 371.7 | 366.44 | 366.44 | 373.98 | 359.47 | 2.72M |
| July 02, 2026 | 364.74 | 374.15 | 374.15 | 375.15 | 363.39 | 2.48M |
| July 01, 2026 | 362.63 | 361.33 | 361.33 | 364 | 357.89 | 2.19M |
| June 30, 2026 | 362.15 | 362.12 | 362.12 | 362.78 | 356.87 | 2.24M |
| June 29, 2026 | 361.95 | 360.55 | 360.55 | 363.11 | 358.46 | 2.41M |
| June 26, 2026 | 354.69 | 358.33 | 358.33 | 362.27 | 354.16 | 3.37M |
| June 25, 2026 | 350.06 | 352.82 | 352.82 | 359.1 | 350.06 | 2.33M |
| June 24, 2026 | 348 | 351.43 | 351.43 | 354.42 | 346 | 2.38M |
| June 23, 2026 | 348.31 | 347.01 | 347.01 | 349.4 | 345.49 | 2.19M |
| June 22, 2026 | 337.65 | 344.72 | 344.72 | 345.11 | 337.6 | 2.49M |
| June 18, 2026 | 344.38 | 337.6 | 337.6 | 345 | 334.05 | 7.88M |
| June 17, 2026 | 347.08 | 341.66 | 341.66 | 349.4 | 338.9 | 3.31M |
| June 16, 2026 | 352 | 347.84 | 347.84 | 353.66 | 345.87 | 3.37M |
| June 15, 2026 | 355.5 | 350.53 | 350.53 | 358.3 | 349.56 | 4.31M |
| June 12, 2026 | 357.39 | 355.2 | 355.2 | 358.17 | 351.96 | 2.69M |
| June 11, 2026 | 342.91 | 354.06 | 354.06 | 358.46 | 341.46 | 4.72M |
| June 10, 2026 | 346.86 | 337.73 | 337.73 | 348.59 | 337.49 | 3M |
| June 09, 2026 | 348.24 | 344.57 | 344.57 | 349.64 | 342.62 | 3.39M |
| June 08, 2026 | 349.34 | 345.73 | 345.73 | 352 | 344.24 | 2.48M |
| June 05, 2026 | 348.76 | 349.58 | 349.58 | 356.5 | 347.66 | 3.44M |
| June 04, 2026 | 345.87 | 345.6 | 345.6 | 349.18 | 342.25 | 2.91M |
| June 03, 2026 | 327.98 | 338.22 | 338.22 | 338.7 | 325.98 | 2.28M |
| June 02, 2026 | 326.17 | 328.26 | 328.26 | 329.46 | 322.3 | 1.54M |
| June 01, 2026 | 333.38 | 329.13 | 329.13 | 333.83 | 326.35 | 2.1M |
| May 29, 2026 | 336.22 | 336.79 | 336.79 | 337.51 | 333.06 | 2.67M |
| May 28, 2026 | 336.44 | 336.48 | 336.48 | 337.95 | 334.16 | 2.07M |
| May 27, 2026 | 339.52 | 336.06 | 336.06 | 341.39 | 335.99 | 1.86M |
| May 26, 2026 | 340.56 | 335.94 | 335.94 | 342.49 | 335.2 | 1.84M |
| May 22, 2026 | 340.26 | 339.3 | 339.3 | 343.8 | 338.4 | 1.47M |
| May 21, 2026 | 330 | 337.42 | 337.42 | 337.63 | 329.09 | 1.93M |
| May 20, 2026 | 330.75 | 331.57 | 331.57 | 333.53 | 326.8 | 3.92M |
| May 19, 2026 | 322.95 | 330.75 | 330.75 | 332.33 | 320.96 | 2.46M |