Zenas BioPharma, Inc. (ZBIO)
NASDAQ: ZBIO · Real-Time Price · USD
20.21
-0.60 (-2.86%)
At close: Jun 23, 2026, 4:00 PM EDT
20.60
+0.40 (1.95%)
After-hours: Jun 23, 2026, 5:57 PM EDT
Zenas BioPharma Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 23, 2026 | 20.54 | 21.25 | 20.18 | 20.21 | 20.21 | -2.86% | 513,353 |
| Jun 22, 2026 | 20.20 | 20.97 | 19.99 | 20.80 | 20.80 | 5.16% | 643,181 |
| Jun 18, 2026 | 18.93 | 19.88 | 18.72 | 19.78 | 19.78 | 6.46% | 2,128,324 |
| Jun 17, 2026 | 18.29 | 19.13 | 18.06 | 18.58 | 18.58 | 2.14% | 602,752 |
| Jun 16, 2026 | 18.76 | 19.43 | 17.87 | 18.19 | 18.19 | -2.78% | 392,325 |
| Jun 15, 2026 | 20.61 | 20.87 | 18.27 | 18.71 | 18.71 | -5.51% | 511,910 |
| Jun 12, 2026 | 17.78 | 20.10 | 17.77 | 19.80 | 19.80 | 11.49% | 1,322,247 |
| Jun 11, 2026 | 18.07 | 18.39 | 17.53 | 17.76 | 17.76 | -0.84% | 607,217 |
| Jun 10, 2026 | 18.42 | 19.00 | 17.74 | 17.91 | 17.91 | -2.77% | 432,797 |
| Jun 9, 2026 | 17.79 | 18.55 | 17.38 | 18.42 | 18.42 | 4.60% | 334,256 |
| Jun 8, 2026 | 17.50 | 17.90 | 16.77 | 17.61 | 17.61 | 0.80% | 504,614 |
| Jun 5, 2026 | 18.33 | 18.92 | 17.40 | 17.47 | 17.47 | -4.95% | 494,076 |
| Jun 4, 2026 | 17.47 | 19.00 | 17.40 | 18.38 | 18.38 | 5.63% | 508,442 |
| Jun 3, 2026 | 17.29 | 17.78 | 17.05 | 17.40 | 17.40 | 1.58% | 416,242 |
| Jun 2, 2026 | 17.78 | 18.12 | 16.90 | 17.13 | 17.13 | -5.72% | 633,964 |
| Jun 1, 2026 | 18.20 | 18.60 | 17.34 | 18.17 | 18.17 | -1.25% | 636,860 |
| May 29, 2026 | 18.56 | 19.00 | 18.14 | 18.40 | 18.40 | -0.86% | 724,825 |
| May 28, 2026 | 18.28 | 19.21 | 17.70 | 18.56 | 18.56 | 2.60% | 733,830 |
| May 27, 2026 | 18.68 | 19.00 | 18.00 | 18.09 | 18.09 | -3.42% | 321,618 |
| May 26, 2026 | 19.24 | 19.27 | 18.61 | 18.73 | 18.73 | -1.27% | 407,733 |
| May 22, 2026 | 19.99 | 20.16 | 18.94 | 18.97 | 18.97 | -4.39% | 342,238 |
| May 21, 2026 | 19.35 | 20.19 | 19.20 | 19.84 | 19.84 | 1.43% | 531,848 |
| May 20, 2026 | 18.22 | 19.67 | 17.85 | 19.56 | 19.56 | 9.64% | 569,124 |
| May 19, 2026 | 17.92 | 18.26 | 17.02 | 17.84 | 17.84 | 5.50% | 659,072 |
| May 18, 2026 | 18.36 | 18.64 | 16.41 | 16.91 | 16.91 | -7.80% | 1,163,015 |
| May 15, 2026 | 18.45 | 18.56 | 17.39 | 18.34 | 18.34 | -2.96% | 642,859 |
| May 14, 2026 | 20.10 | 20.23 | 18.80 | 18.90 | 18.90 | -5.17% | 510,735 |
| May 13, 2026 | 19.60 | 20.22 | 18.99 | 19.93 | 19.93 | 4.02% | 516,448 |
| May 12, 2026 | 20.40 | 20.45 | 19.11 | 19.16 | 19.16 | -6.08% | 296,953 |
| May 11, 2026 | 19.98 | 21.09 | 19.75 | 20.40 | 20.40 | 3.87% | 384,488 |
| May 8, 2026 | 19.27 | 20.00 | 19.01 | 19.64 | 19.64 | 1.92% | 289,145 |
| May 7, 2026 | 20.83 | 20.95 | 18.94 | 19.27 | 19.27 | -7.49% | 448,455 |
| May 6, 2026 | 20.77 | 21.06 | 20.27 | 20.83 | 20.83 | 0.34% | 352,881 |
| May 5, 2026 | 21.68 | 22.15 | 20.27 | 20.76 | 20.76 | -3.71% | 398,761 |
| May 4, 2026 | 19.47 | 21.90 | 19.06 | 21.56 | 21.56 | 11.36% | 920,269 |
| May 1, 2026 | 19.23 | 19.87 | 18.63 | 19.36 | 19.36 | 0.21% | 796,926 |
| Apr 30, 2026 | 19.05 | 19.48 | 18.20 | 19.32 | 19.32 | 10.09% | 686,615 |
| Apr 29, 2026 | 17.72 | 18.22 | 17.39 | 17.55 | 17.55 | -2.55% | 498,518 |
| Apr 28, 2026 | 18.80 | 19.16 | 17.68 | 18.01 | 18.01 | -3.12% | 535,338 |
| Apr 27, 2026 | 18.04 | 19.04 | 17.90 | 18.59 | 18.59 | 2.20% | 344,520 |
| Apr 24, 2026 | 18.40 | 18.64 | 17.63 | 18.19 | 18.19 | -1.62% | 564,707 |
| Apr 23, 2026 | 19.95 | 20.20 | 18.45 | 18.49 | 18.49 | -7.87% | 532,185 |
| Apr 22, 2026 | 20.67 | 21.12 | 19.66 | 20.07 | 20.07 | -1.81% | 507,630 |
| Apr 21, 2026 | 20.96 | 21.17 | 20.23 | 20.44 | 20.44 | -2.20% | 426,938 |
| Apr 20, 2026 | 21.77 | 21.80 | 20.45 | 20.90 | 20.90 | -4.22% | 299,615 |
| Apr 17, 2026 | 21.99 | 22.01 | 21.27 | 21.82 | 21.82 | 0.28% | 316,957 |
| Apr 16, 2026 | 20.99 | 21.88 | 20.36 | 21.76 | 21.76 | 3.37% | 313,829 |
| Apr 15, 2026 | 21.44 | 21.65 | 20.51 | 21.05 | 21.05 | -1.36% | 631,252 |
| Apr 14, 2026 | 21.22 | 21.67 | 21.06 | 21.34 | 21.34 | 1.43% | 696,909 |
| Apr 13, 2026 | 20.55 | 21.50 | 20.55 | 21.04 | 21.04 | 2.94% | 434,211 |