Zenas BioPharma, Inc. (ZBIO) Stock Price History
Historical prices from 2024 to 2026
- 1M
- -12.9%
- 3M
- -29.9%
- YTD
- -48.5%
- 1Y
- +46.7%
- 3Y
- -0.4%
- 5Y
- -0.2%
Loading 10-year price history...
ZBIO Historical Performance
ZBIO Annual Returns
Year-by-year price performance · 2024–2026
- 2024 annual price return
- -54.4%
- 2025 annual price return
- +303.0%
- 2026 annual price return
- -23.6%
ZBIO Stock Price Trajectory (2024–2026)
As of June 12, 2026, Zenas BioPharma, Inc. (ZBIO) trades at $17.76, representing a +46.7% return over the past year. The stock has delivered a -1.2% total return over five years (-0.2% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $44.60 on December 24, 2025. From this peak, ZBIO has corrected -60.2%, currently trading 28% below its 200-day moving average, suggesting potential weakness.
When compared to Healthcare sector peers ARCT (-44.0% 1Y), IMVT (+103.6% 1Y), and ARDX (+56.5% 1Y), ZBIO has underperformed the peer group average. Compare ZBIO vs ARCT →
ZBIO Historical Price Data · from 2024
Rows 1–50 of 437| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-06-11 | 18.07 | 18.39 | 17.53 | 17.76 | 600K | -0.84% |
| 2026-06-10 | 18.25 | 19.00 | 17.74 | 17.91 | 426K | -2.77% |
| 2026-06-09 | 17.79 | 18.55 | 17.38 | 18.42 | 288K | +4.60% |
| 2026-06-08 | 17.51 | 17.90 | 16.77 | 17.61 | 496K | +0.80% |
| 2026-06-05 | 18.02 | 18.92 | 17.41 | 17.47 | 460K | -4.90% |
| 2026-06-04 | 17.56 | 19.00 | 17.40 | 18.37 | 461K | +5.57% |
| 2026-06-03 | 17.16 | 17.78 | 17.05 | 17.40 | 410K | +1.58% |
| 2026-06-02 | 17.78 | 18.11 | 16.90 | 17.13 | 571K | -5.72% |
| 2026-06-01 | 18.05 | 18.60 | 17.34 | 18.17 | 637K | -1.25% |
| 2026-05-29 | 18.56 | 19.00 | 18.14 | 18.40 | 661K | -0.86% |
| 2026-05-28 | 18.28 | 19.16 | 17.77 | 18.56 | 724K | +2.60% |
| 2026-05-27 | 18.68 | 19.00 | 18.00 | 18.09 | 303K | -3.42% |
| 2026-05-26 | 19.24 | 19.27 | 18.64 | 18.73 | 399K | -1.27% |
| 2026-05-22 | 19.99 | 20.16 | 18.97 | 18.97 | 334K | -4.39% |
| 2026-05-21 | 19.35 | 20.19 | 19.20 | 19.84 | 526K | +1.43% |
| 2026-05-20 | 18.12 | 19.66 | 17.85 | 19.56 | 564K | +9.64% |
| 2026-05-19 | 17.56 | 18.25 | 17.02 | 17.84 | 654K | +5.50% |
| 2026-05-18 | 18.36 | 18.64 | 16.41 | 16.91 | 1.16M | -7.80% |
| 2026-05-15 | 18.45 | 18.56 | 17.39 | 18.34 | 633K | -2.96% |
| 2026-05-14 | 20.10 | 20.23 | 18.80 | 18.90 | 501K | -5.17% |
| 2026-05-13 | 19.60 | 20.22 | 18.99 | 19.93 | 468K | +4.02% |
| 2026-05-12 | 20.40 | 20.42 | 19.11 | 19.16 | 285K | -6.08% |
| 2026-05-11 | 20.07 | 20.98 | 19.75 | 20.40 | 359K | +3.87% |
| 2026-05-08 | 19.27 | 20.00 | 19.01 | 19.64 | 285K | +1.92% |
| 2026-05-07 | 20.55 | 20.60 | 18.94 | 19.27 | 441K | -7.49% |
| 2026-05-06 | 21.07 | 21.07 | 20.27 | 20.83 | 297K | +0.34% |
| 2026-05-05 | 21.98 | 22.15 | 20.27 | 20.76 | 381K | -3.71% |
| 2026-05-04 | 19.47 | 21.90 | 19.06 | 21.56 | 912K | +11.36% |
| 2026-05-01 | 19.23 | 19.87 | 18.63 | 19.36 | 787K | +0.21% |
| 2026-04-30 | 19.00 | 19.48 | 18.20 | 19.32 | 678K | +10.09% |
| 2026-04-29 | 17.72 | 18.22 | 17.39 | 17.55 | 466K | -2.55% |
| 2026-04-28 | 18.80 | 19.16 | 17.68 | 18.01 | 528K | -3.12% |
| 2026-04-27 | 18.04 | 19.04 | 17.90 | 18.59 | 338K | +2.20% |
| 2026-04-24 | 18.40 | 18.65 | 17.64 | 18.19 | 556K | -1.62% |
| 2026-04-23 | 19.95 | 20.20 | 18.45 | 18.49 | 521K | -7.87% |
| 2026-04-22 | 20.67 | 21.12 | 19.66 | 20.07 | 504K | -1.81% |
| 2026-04-21 | 20.96 | 21.16 | 20.27 | 20.44 | 321K | -2.20% |
| 2026-04-20 | 21.77 | 21.80 | 20.45 | 20.90 | 293K | -4.22% |
| 2026-04-17 | 22.01 | 22.01 | 21.41 | 21.82 | 314K | +0.28% |
| 2026-04-16 | 20.78 | 21.88 | 20.36 | 21.76 | 303K | +3.37% |
| 2026-04-15 | 21.43 | 21.65 | 20.50 | 21.05 | 626K | -1.36% |
| 2026-04-14 | 21.26 | 21.68 | 21.07 | 21.34 | 562K | +1.43% |
| 2026-04-13 | 20.55 | 21.50 | 20.55 | 21.04 | 432K | +2.94% |
| 2026-04-10 | 21.28 | 21.64 | 20.14 | 20.44 | 368K | -3.95% |
| 2026-04-09 | 20.75 | 21.77 | 20.75 | 21.28 | 503K | +2.01% |
| 2026-04-08 | 22.75 | 23.00 | 20.30 | 20.86 | 837K | -7.21% |
| 2026-04-07 | 22.05 | 22.75 | 21.49 | 22.48 | 439K | +0.99% |
| 2026-04-06 | 21.50 | 22.71 | 21.50 | 22.26 | 635K | +3.73% |
| 2026-04-02 | 20.09 | 22.15 | 19.81 | 21.46 | 1.71M | +5.40% |
| 2026-04-01 | 20.38 | 20.49 | 19.27 | 20.36 | 1.89M | +4.14% |
What if you invested $1,000 in ZBIO 10 years ago?
Total return calculator · dividends reinvested
Calculate ReturnsHow much would $100/month in ZBIO be worth today?
Dollar cost averaging vs lump sum · see how regular investing compounds over time
Run the NumbersIs ZBIO Undervalued Right Now?
DCF intrinsic value, peer multiples, and analyst estimates — see what the stock is really worth.
View ValuationZBIO vs LLY — which is the better buy?
Side-by-side revenue, margins, P/E and 10-year returns vs Eli Lilly and Company.
Compare NowZBIO — Frequently Asked Questions
Quick answers to the most common questions about buying ZBIO stock.
How has ZBIO stock performed recently?
ZBIO returned +46.7% over the past year, beating its 5-year annualized CAGR of -0.2%. The stock trades below its 200-day moving average, confirming the uptrend.
What is ZBIO's all-time high price?
Zenas BioPharma, Inc. reached $44.60 on 2025-12-24. The 52-week high is $44.60. Current 1-year return of +46.7% places the stock closer to historical peaks.
Where can I download ZBIO historical price data?
This page provides ZBIO daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2024-2026, downloadable in CSV format.