Zenas BioPharma Stock Price History
NASDAQ: ZBIOHealth CareBiotechnology: Pharmaceutical PreparationsUSD
27.26+1.02 (+3.89%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
ZBIO price history at a glance
The price history for Zenas BioPharma (ZBIO) on this page begins on September 9, 2024, when the stock closed at $18.15; it most recently closed at $27.26 on October 5, 2026. The highest price in this record is $44.60, reached on December 22, 2025; the latest close is 38.9% below that peak. Over roughly 2 years the share price changed +50.2%, a 21.7% compound annual price return (excluding dividends).
In the last 12 months alone, ZBIO has lost 1.8%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 2024
- $44.60
- Date of high
- Dec 22, 2025
- Low since 2024
- $5.83
- Date of low
- Jan 27, 2025
- 52-week high
- $44.60
- 52-week low
- $13.50
- IPO year
- 2024
- Last close
- $27.26
ZBIO returns
1 week
-3.66%
1 month
-15.58%
3 months
-5.15%
6 months
+33.37%
Year to date
-24.92%
1 year
-1.80%
ZBIO price return, excluding dividends.
ZBIO annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 27.26 | -20.99% |
| 2025 | 34.50 | +250.97% |
| 2024* | 9.83 | -45.84% |
* Partial year: the record begins after the start of 2024; return measured from the first available close.
2026 return is year to date.
ZBIO daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 26.18 | 27.64 | 26.18 | 27.26 | +3.89% | |
| 27.79 | 27.98 | 25.51 | 26.24 | -6.88% | |
| 26.89 | 28.85 | 26.78 | 28.18 | +4.60% | |
| 27.87 | 28.14 | 26.28 | 26.94 | -3.20% | |
| 28.47 | 29.06 | 27.77 | 27.83 | -1.64% | |
| 28.47 | 29.20 | 27.84 | 28.30 | +1.27% | |
| 26.89 | 29.23 | 26.55 | 27.94 | +3.60% | |
| 26.99 | 28.38 | 26.54 | 26.97 | +0.78% | |
| 27.30 | 27.62 | 26.18 | 26.76 | -2.87% | |
| 27.07 | 28.23 | 26.46 | 27.55 | +2.23% | |
| 27.44 | 28.50 | 25.90 | 26.95 | -2.00% | |
| 29.51 | 30.12 | 25.70 | 27.50 | -7.19% | |
| 33.09 | 33.09 | 29.53 | 29.63 | -10.35% | |
| 32.55 | 33.84 | 32.15 | 33.05 | +1.54% | |
| 31.62 | 33.19 | 31.00 | 32.55 | +3.33% | |
| 32.04 | 32.04 | 31.25 | 31.50 | -1.47% | |
| 32.78 | 33.48 | 31.55 | 31.97 | -1.08% | |
| 31.89 | 33.23 | 31.59 | 32.32 | +1.22% | |
| 32.06 | 32.06 | 30.27 | 31.93 | +0.06% | |
| 31.00 | 32.00 | 30.66 | 31.91 | +2.54% | |
| 31.48 | 32.32 | 31.12 | 31.12 | +0.06% | |
| 31.88 | 31.89 | 30.73 | 31.10 | -3.69% | |
| 33.02 | 33.53 | 32.09 | 32.29 | -2.30% | |
| 32.65 | 33.84 | 32.31 | 33.05 | +0.52% | |
| 32.66 | 33.29 | 32.38 | 32.88 | -0.12% | |
| 33.42 | 33.66 | 32.37 | 32.92 | -0.63% | |
| 32.21 | 33.40 | 31.93 | 33.13 | +3.60% | |
| 32.20 | 32.73 | 31.55 | 31.98 | -1.05% | |
| 31.51 | 32.77 | 29.88 | 32.32 | +3.36% | |
| 32.27 | 32.38 | 31.19 | 31.27 | -4.14% | |
| 32.81 | 33.69 | 32.38 | 32.62 | -1.27% | |
| 33.80 | 33.99 | 31.91 | 33.04 | -2.16% | |
| 32.00 | 33.78 | 31.65 | 33.77 | +6.70% | |
| 32.40 | 32.48 | 30.95 | 31.65 | -1.98% | |
| 31.83 | 32.79 | 31.45 | 32.29 | +2.12% | |
| 30.72 | 32.20 | 29.50 | 31.62 | +1.18% | |
| 32.80 | 32.89 | 30.92 | 31.25 | -2.07% | |
| 30.22 | 31.96 | 30.22 | 31.91 | +4.62% | |
| 29.95 | 30.81 | 28.72 | 30.50 | +3.35% | |
| 28.76 | 30.31 | 28.16 | 29.51 | +1.06% | |
| 30.39 | 31.00 | 27.81 | 29.20 | -6.68% | |
| 32.05 | 32.97 | 31.12 | 31.29 | -3.55% | |
| 31.43 | 32.88 | 30.71 | 32.44 | +1.41% | |
| 32.24 | 32.70 | 31.61 | 31.99 | -1.36% | |
| 32.85 | 33.08 | 31.65 | 32.43 | +0.81% | |
| 31.51 | 33.00 | 31.32 | 32.17 | +0.97% | |
| 31.93 | 32.38 | 31.23 | 31.86 | +1.40% | |
| 31.09 | 31.73 | 30.45 | 31.42 | +0.93% | |
| 32.08 | 32.18 | 30.33 | 31.13 | -0.99% | |
| 32.69 | 32.95 | 30.60 | 31.44 | -2.57% | |
| 31.37 | 32.96 | 30.75 | 32.27 | +3.80% | |
| 32.43 | 32.43 | 30.25 | 31.09 | -3.72% | |
| 32.64 | 33.30 | 31.81 | 32.29 | -1.61% | |
| 30.91 | 33.42 | 30.85 | 32.82 | +8.00% | |
| 31.30 | 31.30 | 30.09 | 30.39 | -1.94% | |
| 31.04 | 31.56 | 30.30 | 30.99 | -1.59% | |
| 32.15 | 32.35 | 31.01 | 31.49 | -2.69% | |
| 31.00 | 34.05 | 30.77 | 32.36 | +5.41% | |
| 29.68 | 31.62 | 29.01 | 30.70 | +3.96% | |
| 28.07 | 30.26 | 27.71 | 29.53 | +4.57% | |
| 29.36 | 29.58 | 27.52 | 28.24 | -3.98% | |
| 28.46 | 29.48 | 27.46 | 29.41 | +2.19% | |
| 28.42 | 28.94 | 27.39 | 28.78 | +3.23% | |
| 28.23 | 28.69 | 27.34 | 27.88 | -2.99% | |
| 29.43 | 29.43 | 26.95 | 28.74 | -2.34% | |
| 28.77 | 30.00 | 28.76 | 29.43 | +2.31% | |
| 27.36 | 28.84 | 26.55 | 28.77 | +3.92% | |
| 26.49 | 27.90 | 25.88 | 27.68 | +4.65% | |
| 26.90 | 27.54 | 26.41 | 26.45 | -2.86% | |
| 28.08 | 29.25 | 27.09 | 27.23 | -2.75% | |
| 25.49 | 29.00 | 25.48 | 28.00 | +10.32% | |
| 25.90 | 25.90 | 25.13 | 25.38 | -0.67% | |
| 25.87 | 25.94 | 24.76 | 25.55 | -1.24% | |
| 24.26 | 26.00 | 23.90 | 25.87 | +4.86% | |
| 21.96 | 24.92 | 21.94 | 24.67 | +13.17% | |
| 20.23 | 22.05 | 20.13 | 21.80 | +7.89% | |
| 20.54 | 21.25 | 20.18 | 20.21 | -2.86% | |
| 20.20 | 20.97 | 19.99 | 20.80 | +5.16% | |
| 18.93 | 19.88 | 18.72 | 19.78 | +6.46% | |
| 18.29 | 19.13 | 18.06 | 18.58 | +2.14% | |
| 18.76 | 19.43 | 17.87 | 18.19 | -2.78% | |
| 20.61 | 20.87 | 18.27 | 18.71 | -5.51% | |
| 17.78 | 20.10 | 17.77 | 19.80 | +11.49% | |
| 18.07 | 18.39 | 17.53 | 17.76 | -0.84% | |
| 18.42 | 19.00 | 17.74 | 17.91 | -2.77% | |
| 17.79 | 18.55 | 17.38 | 18.42 | +4.60% | |
| 17.50 | 17.90 | 16.77 | 17.61 | +0.80% | |
| 18.33 | 18.92 | 17.40 | 17.47 | -4.95% | |
| 17.47 | 19.00 | 17.40 | 18.38 | +5.63% | |
| 17.29 | 17.78 | 17.05 | 17.40 | +1.58% | |
| 17.78 | 18.12 | 16.90 | 17.13 | -5.72% | |
| 18.20 | 18.60 | 17.34 | 18.17 | -1.25% | |
| 18.56 | 19.00 | 18.14 | 18.40 | -0.86% | |
| 18.28 | 19.21 | 17.70 | 18.56 | +2.60% | |
| 18.68 | 19.00 | 18.00 | 18.09 | -3.42% | |
| 19.24 | 19.27 | 18.61 | 18.73 | -1.27% | |
| 19.99 | 20.16 | 18.94 | 18.97 | -4.39% | |
| 19.35 | 20.19 | 19.20 | 19.84 | +1.43% | |
| 18.22 | 19.67 | 17.85 | 19.56 | +9.64% | |
| 17.92 | 18.26 | 17.02 | 17.84 | +5.50% | |
| 18.36 | 18.64 | 16.41 | 16.91 | -7.80% | |
| 18.45 | 18.56 | 17.39 | 18.34 | -2.96% | |
| 20.10 | 20.23 | 18.80 | 18.90 | -5.17% | |
| 19.60 | 20.22 | 18.99 | 19.93 | +4.02% | |
| 20.40 | 20.45 | 19.11 | 19.16 | -6.08% | |
| 19.98 | 21.09 | 19.75 | 20.40 | +3.87% | |
| 19.27 | 20.00 | 19.01 | 19.64 | +1.92% | |
| 20.83 | 20.95 | 18.94 | 19.27 | -7.49% | |
| 20.77 | 21.06 | 20.27 | 20.83 | +0.34% | |
| 21.68 | 22.15 | 20.27 | 20.76 | -3.71% | |
| 19.47 | 21.90 | 19.06 | 21.56 | +11.36% | |
| 19.23 | 19.87 | 18.63 | 19.36 | +0.21% | |
| 19.05 | 19.48 | 18.20 | 19.32 | +10.09% | |
| 17.72 | 18.22 | 17.39 | 17.55 | -2.55% | |
| 18.80 | 19.16 | 17.68 | 18.01 | -3.12% | |
| 18.04 | 19.04 | 17.90 | 18.59 | +2.20% | |
| 18.40 | 18.64 | 17.63 | 18.19 | -1.62% | |
| 19.95 | 20.20 | 18.45 | 18.49 | -7.87% | |
| 20.67 | 21.12 | 19.66 | 20.07 | -1.81% | |
| 20.96 | 21.17 | 20.23 | 20.44 | -2.20% | |
| 21.77 | 21.80 | 20.45 | 20.90 | -4.22% | |
| 21.99 | 22.01 | 21.27 | 21.82 | +0.28% | |
| 20.99 | 21.88 | 20.36 | 21.76 | +3.37% | |
| 21.44 | 21.65 | 20.51 | 21.05 | -1.36% | |
| 21.22 | 21.67 | 21.06 | 21.34 | +1.43% | |
| 20.55 | 21.50 | 20.55 | 21.04 | +2.94% | |
| 21.28 | 21.65 | 20.13 | 20.44 | -3.95% | |
| 20.75 | 21.77 | 20.75 | 21.28 | +2.01% | |
| 22.76 | 23.00 | 20.30 | 20.86 | -7.21% | |
| 22.19 | 22.76 | 21.49 | 22.48 | +0.99% | |
| 21.53 | 22.71 | 21.46 | 22.26 | +3.73% | |
| 20.12 | 22.15 | 19.81 | 21.46 | +5.40% | |
| 20.38 | 20.49 | 19.27 | 20.36 | +4.14% | |
| 18.67 | 19.60 | 18.30 | 19.55 | +7.27% | |
| 18.50 | 18.62 | 17.79 | 18.23 | +0.08% | |
| 19.23 | 19.35 | 17.20 | 18.21 | -17.82% | |
| 21.92 | 22.74 | 21.74 | 22.16 | -0.14% | |
| 21.18 | 22.72 | 21.18 | 22.19 | +5.37% | |
| 20.45 | 21.68 | 19.81 | 21.06 | +2.08% | |
| 22.42 | 22.79 | 19.76 | 20.63 | -7.49% | |
| 23.48 | 24.08 | 21.00 | 22.30 | -4.58% | |
| 22.84 | 23.76 | 22.01 | 23.37 | +1.48% | |
| 23.61 | 23.69 | 22.55 | 23.03 | -1.92% | |
| 23.46 | 23.96 | 22.57 | 23.48 | +1.08% | |
| 23.35 | 24.02 | 21.48 | 23.23 | -3.37% | |
| 24.93 | 25.97 | 23.78 | 24.04 | -1.88% | |
| 24.80 | 25.36 | 23.91 | 24.50 | -3.31% | |
| 25.58 | 25.79 | 24.69 | 25.34 | -2.24% | |
| 26.19 | 26.98 | 25.26 | 25.92 | -0.84% | |
| 24.59 | 26.49 | 24.29 | 26.14 | +3.40% | |
| 24.58 | 25.49 | 24.21 | 25.28 | +0.08% | |
| 25.20 | 25.64 | 24.50 | 25.26 | -2.17% | |
| 25.39 | 26.86 | 24.18 | 25.82 | +2.54% | |
| 24.87 | 25.53 | 24.25 | 25.18 | -1.49% | |
| 24.80 | 26.33 | 24.19 | 25.56 | -3.00% | |
| 26.05 | 26.56 | 25.22 | 26.35 | -0.04% | |
| 26.03 | 26.38 | 25.01 | 26.36 | +1.27% | |
| 26.19 | 27.79 | 25.87 | 26.03 | -0.15% | |
| 26.15 | 26.61 | 25.70 | 26.07 | -0.27% | |
| 25.98 | 27.50 | 25.64 | 26.14 | +1.00% | |
| 26.68 | 27.23 | 25.00 | 25.88 | -4.22% | |
| 26.46 | 27.48 | 26.00 | 27.02 | +1.27% | |
| 26.64 | 27.70 | 26.02 | 26.68 | -0.34% | |
| 29.17 | 29.55 | 26.20 | 26.77 | +1.40% | |
| 25.61 | 27.25 | 25.61 | 26.40 | +1.11% | |
| 23.27 | 27.24 | 23.01 | 26.11 | +12.20% | |
| 21.18 | 23.71 | 20.56 | 23.27 | +8.33% | |
| 22.48 | 22.48 | 21.29 | 21.48 | -4.45% | |
| 22.28 | 23.00 | 21.66 | 22.48 | +3.12% | |
| 21.48 | 22.43 | 20.91 | 21.80 | +3.76% | |
| 20.25 | 21.64 | 19.21 | 21.01 | +1.69% | |
| 21.21 | 22.28 | 20.54 | 20.66 | +4.77% | |
| 18.34 | 20.08 | 18.00 | 19.72 | +8.65% | |
| 18.33 | 18.72 | 17.60 | 18.15 | -1.20% | |
| 20.64 | 21.17 | 18.24 | 18.37 | -12.02% | |
| 21.05 | 22.70 | 20.42 | 20.88 | -2.75% | |
| 19.97 | 21.60 | 19.30 | 21.47 | +6.98% | |
| 19.32 | 20.11 | 19.15 | 20.07 | +3.88% | |
| 19.80 | 19.84 | 19.00 | 19.32 | -3.83% | |
| 20.29 | 20.52 | 19.55 | 20.09 | -1.52% | |
| 19.68 | 20.78 | 19.49 | 20.40 | +4.13% | |
| 20.87 | 21.39 | 19.40 | 19.59 | -6.18% | |
| 19.76 | 21.01 | 19.20 | 20.88 | +3.57% | |
| 20.21 | 21.10 | 19.80 | 20.16 | +1.15% | |
| 22.49 | 22.49 | 19.51 | 19.93 | -11.66% | |
| 21.48 | 22.60 | 20.32 | 22.56 | +4.59% | |
| 20.10 | 21.64 | 19.02 | 21.57 | +9.05% | |
| 17.24 | 19.95 | 17.24 | 19.78 | +23.01% | |
| 16.64 | 17.36 | 15.90 | 16.08 | -2.01% | |
| 16.37 | 17.15 | 15.80 | 16.41 | -0.61% | |
| 15.05 | 17.10 | 14.66 | 16.51 | +8.62% | |
| 15.75 | 16.15 | 13.74 | 15.20 | -8.49% | |
| 16.77 | 17.50 | 13.50 | 16.61 | -51.86% | |
| 36.31 | 36.64 | 34.05 | 34.50 | -4.98% | |
| 36.37 | 36.53 | 34.69 | 36.31 | -0.74% | |
| 38.73 | 40.31 | 35.79 | 36.58 | -6.33% | |
| 42.30 | 42.69 | 38.96 | 39.05 | -8.10% | |
| 43.04 | 43.17 | 41.67 | 42.49 | -1.58% | |
| 42.92 | 44.60 | 42.51 | 43.17 | +0.84% | |
| 41.86 | 43.28 | 41.25 | 42.81 | +1.13% | |
| 36.16 | 42.99 | 36.16 | 42.33 | +17.10% | |
| 35.42 | 37.97 | 35.25 | 36.15 | +3.08% | |
| 36.64 | 37.93 | 34.48 | 35.07 | -2.07% | |
| 36.66 | 38.52 | 34.61 | 35.81 | -2.93% | |
| 32.09 | 37.32 | 31.48 | 36.89 | +13.19% | |
| 40.57 | 41.10 | 31.51 | 32.59 | -19.71% | |
| 40.63 | 40.94 | 38.66 | 40.59 | +0.95% | |
| 39.30 | 40.99 | 38.90 | 40.21 | +2.84% | |
| 38.18 | 39.70 | 36.94 | 39.10 | +2.42% | |
| 39.11 | 39.46 | 37.78 | 38.18 | -3.02% | |
| 40.18 | 41.50 | 39.24 | 39.37 | -0.04% | |
| 38.27 | 40.84 | 38.25 | 39.38 | +3.33% | |
| 36.62 | 38.12 | 34.72 | 38.11 | +3.93% | |
| 34.50 | 36.91 | 34.50 | 36.67 | +6.29% | |
| 37.40 | 38.22 | 34.26 | 34.50 | -6.93% | |
| 38.22 | 38.76 | 36.50 | 37.07 | -4.53% | |
| 40.70 | 41.00 | 38.53 | 38.83 | -4.19% | |
| 40.30 | 41.00 | 37.45 | 40.53 | +1.68% | |
| 38.50 | 40.17 | 37.40 | 39.86 | +4.21% | |
| 36.04 | 38.41 | 35.99 | 38.25 | +6.84% | |
| 34.84 | 36.50 | 33.89 | 35.80 | +2.76% | |
| 37.98 | 38.50 | 34.71 | 34.84 | -6.22% | |
| 36.21 | 37.73 | 36.07 | 37.15 | +2.60% | |
| 35.88 | 37.89 | 34.66 | 36.21 | +0.92% | |
| 34.78 | 36.91 | 33.80 | 35.88 | +2.51% | |
| 33.83 | 35.73 | 33.00 | 35.00 | -1.85% | |
| 35.22 | 36.30 | 34.05 | 35.66 | -0.39% | |
| 36.00 | 36.63 | 35.12 | 35.80 | +1.70% | |
| 32.58 | 35.99 | 32.26 | 35.20 | +8.41% | |
| 34.81 | 35.65 | 32.41 | 32.47 | -3.39% | |
| 32.18 | 34.15 | 30.86 | 33.61 | +3.54% | |
| 30.96 | 32.76 | 30.10 | 32.46 | +6.32% | |
| 30.31 | 31.13 | 29.00 | 30.53 | +1.94% | |
| 30.33 | 32.01 | 29.63 | 29.95 | -4.40% | |
| 31.17 | 31.56 | 30.30 | 31.33 | +0.26% | |
| 29.93 | 31.91 | 29.88 | 31.25 | +4.59% | |
| 27.53 | 30.28 | 27.53 | 29.88 | +6.68% | |
| 30.08 | 30.08 | 26.88 | 28.01 | -7.22% | |
| 32.00 | 32.00 | 28.98 | 30.19 | -5.06% | |
| 28.00 | 34.33 | 24.20 | 31.80 | +33.08% | |
| 25.64 | 26.38 | 23.69 | 23.90 | -4.46% | |
| 24.37 | 25.25 | 24.17 | 25.01 | +2.63% | |
| 25.54 | 25.91 | 24.00 | 24.37 | -6.38% | |
| 25.94 | 27.15 | 25.44 | 26.03 | -0.46% | |
| 24.04 | 26.60 | 24.04 | 26.15 | +9.19% | |
| 24.08 | 24.41 | 21.26 | 23.95 | -1.07% | |
| 27.41 | 27.50 | 23.76 | 24.21 | -10.30% | |
| 26.81 | 27.13 | 25.88 | 26.99 | +4.41% | |
| 25.97 | 27.40 | 25.50 | 25.85 | -2.60% | |
| 27.03 | 27.67 | 26.05 | 26.54 | -0.19% | |
| 29.29 | 29.73 | 25.80 | 26.59 | -4.21% | |
| 26.21 | 28.72 | 25.51 | 27.76 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the ZBIO chart for longer ranges.