If you invested 1000 GBp in 4basebio PLC (4BB.L) since IPO date, it would be worth 1,392.59 GBp as of August 22, 2026, based on a reinvested dividends scenario. Over the same period, a 1000 GBp investment made 5 years ago would be worth 661.97 GBp, while 1000 GBp invested 1 year ago would be worth 531.07 GBp. This corresponds to total returns of 39.26%, -33.8%, -46.89%, respectively, with annualized returns of 6.19%, -7.92%, -46.89%.
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 | 465 | 470 | 470 | 490 | 465 | 2,656 |
| August 20, 2026 | 470 | 465 | 465 | 480 | 450 | 1,334 |
| August 19, 2026 | 492 | 460 | 460 | 500 | 455.25 | 909 |
| August 18, 2026 | 492 | 492 | 492 | 492 | 484.16 | 1,369 |
| August 17, 2026 | 525 | 492 | 492 | 550 | 484.36 | 2,656 |
| August 14, 2026 | 525 | 550 | 550 | 550 | 525 | 100 |
| August 13, 2026 | 525 | 525 | 525 | 525 | 500 | 1,720 |
| August 12, 2026 | 525 | 550 | 550 | 550 | 502.5 | 764 |
| August 11, 2026 | 525 | 525 | 525 | 525 | 500.5 | 283 |
| August 10, 2026 | 525 | 525 | 525 | 525 | 519.75 | 680 |
| August 07, 2026 | 525 | 525 | 525 | 525 | 503 | 44 |
| August 06, 2026 | 525 | 525 | 525 | 525 | 518 | 589 |
| August 05, 2026 | 525 | 525 | 525 | 525 | 518 | 72 |
| August 04, 2026 | 525 | 525 | 525 | 525 | 502.5 | 1,000 |
| August 03, 2026 | 525 | 525 | 525 | 525 | 502.5 | 29 |
| July 31, 2026 | 525 | 525 | 525 | 525 | 500 | 9 |
| July 30, 2026 | 525 | 525 | 525 | 525 | 519.75 | 4 |
| July 29, 2026 | 525 | 525 | 525 | 525 | 519.75 | 4 |
| July 28, 2026 | 525 | 525 | 525 | 525 | 519.75 | 36 |
| July 27, 2026 | 502.5 | 525 | 525 | 525 | 500 | 29 |
| July 23, 2026 | 525 | 525 | 525 | 525 | 500 | 467 |
| July 22, 2026 | 525 | 525 | 525 | 525 | 500.5 | 496 |
| July 21, 2026 | 525 | 525 | 525 | 525 | 500 | 44 |
| July 20, 2026 | 525 | 525 | 525 | 525 | 500.5 | 347 |
| July 17, 2026 | 525 | 525 | 525 | 550 | 500 | 79 |
| July 16, 2026 | 525 | 525 | 525 | 550 | 500.5 | 94 |
| July 15, 2026 | 525 | 525 | 525 | 525 | 519.75 | 8 |
| July 14, 2026 | 525 | 525 | 525 | 525 | 500 | 593 |
| July 13, 2026 | 525 | 525 | 525 | 525 | 500 | 57 |
| July 10, 2026 | 525 | 525 | 525 | 550 | 519.75 | 135 |
| July 09, 2026 | 525 | 525 | 525 | 525 | 519.75 | 18 |
| July 08, 2026 | 525 | 525 | 525 | 550 | 500.5 | 316 |
| July 07, 2026 | 525 | 525 | 525 | 550 | 519.75 | 3 |
| July 06, 2026 | 525 | 525 | 525 | 525 | 500.5 | 19 |
| July 03, 2026 | 525 | 525 | 525 | 550 | 500 | 1,085 |
| July 02, 2026 | 525 | 525 | 525 | 550 | 500.5 | 350 |
| July 01, 2026 | 525 | 550 | 550 | 550 | 500.5 | 77 |
| June 30, 2026 | 525 | 520 | 520 | 525 | 500 | 2,428 |
| June 29, 2026 | 525 | 525 | 525 | 525 | 500.5 | 137 |
| June 26, 2026 | 525 | 525 | 525 | 550 | 500 | 17 |
| June 25, 2026 | 525 | 525 | 525 | 525 | 500 | 1,594 |
| June 24, 2026 | 525 | 525 | 525 | 525 | 525 | 0 |
| June 23, 2026 | 525 | 525 | 525 | 525 | 519.75 | 432 |
| June 22, 2026 | 525 | 525 | 525 | 525 | 500 | 727 |
| June 19, 2026 | 525 | 525 | 525 | 550 | 501 | 520 |
| June 18, 2026 | 525 | 525 | 525 | 550 | 501 | 482 |
| June 17, 2026 | 525 | 525 | 525 | 525 | 501 | 181 |
| June 16, 2026 | 525 | 525 | 525 | 550 | 500 | 1,240 |
| June 15, 2026 | 550 | 525 | 525 | 550 | 500 | 2,048 |
| June 12, 2026 | 525 | 525 | 525 | 525 | 525 | 0 |
| June 11, 2026 | 501 | 525 | 525 | 525 | 501 | 29 |
| June 10, 2026 | 530 | 525 | 525 | 550 | 510 | 1,167 |
| June 09, 2026 | 530 | 530 | 530 | 530 | 510 | 1,092 |
| June 08, 2026 | 565 | 530 | 530 | 565 | 512.22 | 3,452 |
| June 05, 2026 | 547.5 | 515 | 515 | 580 | 515 | 10,725 |
| June 04, 2026 | 547.5 | 547.5 | 547.5 | 575 | 536 | 936 |
| June 03, 2026 | 575 | 547.5 | 547.5 | 575 | 533 | 136 |
| June 02, 2026 | 527.5 | 550 | 550 | 575 | 520 | 2,265 |
| June 01, 2026 | 527.5 | 550 | 550 | 550 | 516 | 5,652 |
| May 29, 2026 | 505 | 527.5 | 527.5 | 530 | 505 | 3,983 |