If you invested $1000 in Penumbra, Inc. (PEN) 10 years ago, it would be worth $4,464.31 as of August 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,229.74, while $1000 invested 1 year ago would be worth $1,230.95. This corresponds to total returns of 346.43%, 22.97%, 23.09%, respectively, with annualized returns of 16.13%, 4.22%, 23.09%.
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 21, 2026 | 323.87 | 325.18 | 325.18 | 325.66 | 323.87 | 167,123 |
| August 20, 2026 | 327.12 | 323.76 | 323.76 | 327.12 | 323.76 | 210,042 |
| August 19, 2026 | 325.54 | 326.84 | 326.84 | 327.77 | 325.54 | 304,694 |
| August 18, 2026 | 328.6 | 324.75 | 324.75 | 328.6 | 324.75 | 176,789 |
| August 17, 2026 | 326.36 | 327.17 | 327.17 | 327.61 | 326.36 | 184,107 |
| August 14, 2026 | 327.28 | 327.02 | 327.02 | 328.11 | 326.72 | 198,725 |
| August 13, 2026 | 327.25 | 326.75 | 326.75 | 327.58 | 325.95 | 180,977 |
| August 12, 2026 | 325.6 | 326.58 | 326.58 | 327.55 | 325.25 | 227,551 |
| August 11, 2026 | 325.79 | 326.28 | 326.28 | 326.84 | 325.39 | 240,395 |
| August 10, 2026 | 324.9 | 325.98 | 325.98 | 326.5 | 324.9 | 194,694 |
| August 07, 2026 | 324.93 | 324.66 | 324.66 | 325.74 | 324.46 | 239,493 |
| August 06, 2026 | 324.44 | 324.86 | 324.86 | 325.57 | 323.86 | 258,260 |
| August 05, 2026 | 323.36 | 323.21 | 323.21 | 323.83 | 322.23 | 282,951 |
| August 04, 2026 | 321.57 | 324.22 | 324.22 | 324.35 | 321.35 | 363,249 |
| August 03, 2026 | 321.36 | 323.02 | 323.02 | 323.83 | 321.36 | 294,435 |
| July 31, 2026 | 323.05 | 321.19 | 321.19 | 323.05 | 318.7 | 295,954 |
| July 30, 2026 | 319.3 | 319.83 | 319.83 | 320.42 | 318.54 | 355,828 |
| July 29, 2026 | 318.5 | 320.13 | 320.13 | 320.83 | 317.09 | 330,085 |
| July 28, 2026 | 319.98 | 319.99 | 319.99 | 321.4 | 319.71 | 450,959 |
| July 27, 2026 | 318.9 | 319.49 | 319.49 | 320.48 | 318.84 | 304,320 |
| July 24, 2026 | 318.49 | 318.73 | 318.73 | 319.02 | 317.7 | 332,336 |
| July 23, 2026 | 315.7 | 317.9 | 317.9 | 317.95 | 315.7 | 670,369 |
| July 22, 2026 | 318.37 | 316.5 | 316.5 | 318.37 | 316.32 | 640,408 |
| July 21, 2026 | 317.25 | 317.39 | 317.39 | 317.98 | 317 | 276,751 |
| July 20, 2026 | 318.44 | 318.01 | 318.01 | 318.75 | 317.63 | 442,346 |
| July 17, 2026 | 318.82 | 318.32 | 318.32 | 319.94 | 318.06 | 474,441 |
| July 16, 2026 | 318.52 | 319.6 | 319.6 | 319.6 | 317.77 | 531,906 |
| July 15, 2026 | 316 | 316.73 | 316.73 | 317.58 | 315.69 | 353,919 |
| July 14, 2026 | 317.32 | 316.26 | 316.26 | 317.62 | 316.01 | 649,392 |
| July 13, 2026 | 317.63 | 318.94 | 318.94 | 318.94 | 317.13 | 379,194 |
| July 10, 2026 | 318.24 | 318.1 | 318.1 | 318.51 | 317.35 | 146,602 |
| July 09, 2026 | 317.12 | 317.95 | 317.95 | 318.17 | 316.49 | 129,631 |
| July 08, 2026 | 317.66 | 317.28 | 317.28 | 318.18 | 316.58 | 256,024 |
| July 07, 2026 | 320.03 | 318.31 | 318.31 | 320.03 | 317.89 | 312,675 |
| July 06, 2026 | 318.94 | 318.23 | 318.23 | 318.94 | 317.17 | 353,532 |
| July 02, 2026 | 317.38 | 318.57 | 318.57 | 319.19 | 316.81 | 253,357 |
| July 01, 2026 | 315.26 | 316.43 | 316.43 | 317.1 | 314.99 | 454,905 |
| June 30, 2026 | 317.17 | 315.75 | 315.75 | 317.17 | 314.8 | 352,437 |
| June 29, 2026 | 317.17 | 315.46 | 315.46 | 317.53 | 315.46 | 330,583 |
| June 26, 2026 | 318.41 | 316.63 | 316.63 | 318.99 | 316.63 | 546,127 |
| June 25, 2026 | 316.65 | 317.4 | 317.4 | 318.64 | 316.38 | 617,210 |
| June 24, 2026 | 318.8 | 316.36 | 316.36 | 318.8 | 316.3 | 283,839 |
| June 23, 2026 | 317.39 | 317.63 | 317.63 | 318.46 | 316.6 | 268,096 |
| June 22, 2026 | 316.27 | 316.2 | 316.2 | 316.91 | 315.03 | 201,433 |
| June 18, 2026 | 315.81 | 317.2 | 317.2 | 317.24 | 315.81 | 672,781 |
| June 17, 2026 | 318.01 | 316.16 | 316.16 | 318.65 | 315.99 | 384,665 |
| June 16, 2026 | 318.77 | 318.46 | 318.46 | 319 | 317.91 | 274,260 |
| June 15, 2026 | 318.25 | 318.21 | 318.21 | 319.83 | 317.31 | 387,287 |
| June 12, 2026 | 320.26 | 318.71 | 318.71 | 321.8 | 317.53 | 449,884 |
| June 11, 2026 | 320.1 | 318.32 | 318.32 | 320.31 | 318.27 | 318,971 |
| June 10, 2026 | 321.23 | 319.34 | 319.34 | 321.23 | 319.1 | 459,980 |
| June 09, 2026 | 320.77 | 321.06 | 321.06 | 322.09 | 320.4 | 387,933 |
| June 08, 2026 | 320 | 320.07 | 320.07 | 322.65 | 319.99 | 279,261 |
| June 05, 2026 | 321.8 | 320.53 | 320.53 | 322.27 | 319.81 | 250,725 |
| June 04, 2026 | 322.94 | 320.63 | 320.63 | 323.1 | 319.86 | 712,251 |
| June 03, 2026 | 319.39 | 319.37 | 319.37 | 319.7 | 318.35 | 398,443 |
| June 02, 2026 | 318.25 | 318.74 | 318.74 | 319.45 | 318.12 | 381,331 |
| June 01, 2026 | 318.41 | 318.95 | 318.95 | 320.75 | 317.81 | 362,627 |
| May 29, 2026 | 319.52 | 318.3 | 318.3 | 320.12 | 318.12 | 337,783 |
| May 28, 2026 | 319.88 | 318.95 | 318.95 | 320.44 | 318.79 | 470,849 |