Zenas BioPharma, Inc. (ZBIO)
NASDAQ: ZBIO · Real-Time Price · USD
31.80
+7.91 (33.08%)
At close: Oct 27, 2025, 4:00 PM EDT
31.68
-0.12 (-0.38%)
After-hours: Oct 27, 2025, 7:09 PM EDT
Zenas BioPharma Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 27, 2025 | 28.00 | 34.33 | 24.20 | 31.80 | 31.80 | 33.08% | 3,132,126 |
| Oct 24, 2025 | 25.64 | 26.38 | 23.69 | 23.90 | 23.90 | -4.46% | 630,069 |
| Oct 23, 2025 | 24.37 | 25.25 | 24.17 | 25.01 | 25.01 | 2.63% | 591,923 |
| Oct 22, 2025 | 25.54 | 25.91 | 24.00 | 24.37 | 24.37 | -6.38% | 211,726 |
| Oct 21, 2025 | 25.94 | 27.15 | 25.44 | 26.03 | 26.03 | -0.46% | 189,381 |
| Oct 20, 2025 | 24.04 | 26.60 | 24.04 | 26.15 | 26.15 | 9.19% | 259,153 |
| Oct 17, 2025 | 24.08 | 24.41 | 21.26 | 23.95 | 23.95 | -1.07% | 540,968 |
| Oct 16, 2025 | 27.41 | 27.50 | 23.76 | 24.21 | 24.21 | -10.30% | 579,870 |
| Oct 15, 2025 | 26.81 | 27.13 | 25.88 | 26.99 | 26.99 | 4.41% | 519,323 |
| Oct 14, 2025 | 25.97 | 27.40 | 25.50 | 25.85 | 25.85 | -2.60% | 415,112 |
| Oct 13, 2025 | 27.03 | 27.67 | 26.05 | 26.54 | 26.54 | -0.19% | 310,355 |
| Oct 10, 2025 | 29.29 | 29.73 | 25.80 | 26.59 | 26.59 | -4.21% | 567,917 |
| Oct 9, 2025 | 26.21 | 28.72 | 25.51 | 27.76 | 27.76 | 7.18% | 835,478 |
| Oct 8, 2025 | 23.51 | 26.59 | 19.12 | 25.90 | 25.90 | 24.22% | 1,009,541 |
| Oct 7, 2025 | 23.04 | 23.80 | 18.33 | 20.85 | 20.85 | -9.47% | 411,170 |
| Oct 6, 2025 | 21.76 | 23.98 | 21.56 | 23.03 | 23.03 | 5.84% | 258,633 |
| Oct 3, 2025 | 20.85 | 21.97 | 20.37 | 21.76 | 21.76 | 3.87% | 142,876 |
| Oct 2, 2025 | 22.31 | 22.77 | 20.34 | 20.95 | 20.95 | -5.29% | 270,010 |
| Oct 1, 2025 | 22.10 | 22.78 | 21.47 | 22.12 | 22.12 | -0.36% | 153,224 |
| Sep 30, 2025 | 20.33 | 22.45 | 19.75 | 22.20 | 22.20 | 7.92% | 514,967 |
| Sep 29, 2025 | 20.09 | 21.94 | 19.65 | 20.57 | 20.57 | 2.39% | 325,932 |
| Sep 26, 2025 | 18.74 | 20.27 | 18.74 | 20.09 | 20.09 | 7.89% | 106,601 |
| Sep 25, 2025 | 19.70 | 19.91 | 18.36 | 18.62 | 18.62 | -8.19% | 247,561 |
| Sep 24, 2025 | 19.39 | 20.40 | 18.91 | 20.28 | 20.28 | 6.96% | 186,404 |
| Sep 23, 2025 | 18.95 | 19.58 | 18.29 | 18.96 | 18.96 | 0.05% | 176,329 |
| Sep 22, 2025 | 18.88 | 19.65 | 18.53 | 18.95 | 18.95 | 0.05% | 108,212 |
| Sep 19, 2025 | 19.63 | 19.88 | 18.65 | 18.94 | 18.94 | -2.67% | 853,302 |
| Sep 18, 2025 | 19.52 | 20.38 | 19.14 | 19.46 | 19.46 | 2.07% | 142,621 |
| Sep 17, 2025 | 18.42 | 20.14 | 18.24 | 19.07 | 19.07 | 4.52% | 241,786 |
| Sep 16, 2025 | 21.95 | 22.21 | 18.24 | 18.24 | 18.24 | -16.90% | 192,370 |
| Sep 15, 2025 | 20.39 | 22.18 | 20.31 | 21.95 | 21.95 | 8.50% | 339,662 |
| Sep 12, 2025 | 20.14 | 21.72 | 19.80 | 20.23 | 20.23 | 0.30% | 556,172 |
| Sep 11, 2025 | 19.77 | 20.92 | 19.68 | 20.17 | 20.17 | 1.92% | 118,479 |
| Sep 10, 2025 | 22.00 | 22.33 | 19.76 | 19.79 | 19.79 | -9.39% | 199,308 |
| Sep 9, 2025 | 21.68 | 22.21 | 21.34 | 21.84 | 21.84 | 1.51% | 203,677 |
| Sep 8, 2025 | 20.59 | 22.18 | 20.45 | 21.52 | 21.52 | 4.90% | 410,246 |
| Sep 5, 2025 | 17.34 | 20.51 | 17.03 | 20.51 | 20.51 | 20.79% | 571,783 |
| Sep 4, 2025 | 17.05 | 17.33 | 16.36 | 16.98 | 16.98 | -0.93% | 161,576 |
| Sep 3, 2025 | 17.52 | 18.29 | 16.92 | 17.14 | 17.14 | -2.17% | 190,110 |
| Sep 2, 2025 | 16.23 | 17.79 | 16.11 | 17.52 | 17.52 | 9.50% | 337,848 |
| Aug 29, 2025 | 16.30 | 16.32 | 15.82 | 16.00 | 16.00 | -1.60% | 143,136 |
| Aug 28, 2025 | 16.91 | 16.91 | 16.17 | 16.26 | 16.26 | -2.69% | 99,604 |
| Aug 27, 2025 | 16.96 | 17.08 | 16.16 | 16.71 | 16.71 | -1.71% | 130,600 |
| Aug 26, 2025 | 16.73 | 17.15 | 16.50 | 17.00 | 17.00 | 2.66% | 95,698 |
| Aug 25, 2025 | 17.15 | 17.25 | 16.56 | 16.56 | 16.56 | -3.16% | 155,034 |
| Aug 22, 2025 | 17.23 | 17.70 | 16.20 | 17.10 | 17.10 | 1.00% | 231,632 |
| Aug 21, 2025 | 15.74 | 17.59 | 15.70 | 16.93 | 16.93 | 3.74% | 190,258 |
| Aug 20, 2025 | 15.76 | 16.80 | 15.07 | 16.32 | 16.32 | 2.97% | 481,133 |
| Aug 19, 2025 | 17.18 | 17.19 | 15.59 | 15.85 | 15.85 | -8.28% | 252,197 |
| Aug 18, 2025 | 16.88 | 18.24 | 16.46 | 17.28 | 17.28 | 2.73% | 329,365 |