ZBIO
$28.18+5.50%
Zenas BioPharma Inc.Stock · HealthcareRussell 2000 · 0.02% of IWMNasdaq Composite · 0.003% of ONEQUS Stock Market · 0.0010% of VTIRussell 3000 · 0.0006% of IWV
Zenas BioPharma Inc. weekly returns
Zenas BioPharma Inc. has averaged 1.28% per week, positive in 54% of weeks. Week-by-week returns for Zenas BioPharma Inc. (ZBIO) below, through October 20, 2026 — the table lists the most recent weeks; the bar chart plots the last 2 years.
Average week
+1.3%
110 weeks
Best week
+30.8%
Jun 26, 2026
Worst week
-53.4%
Jan 9, 2026
Positive weeks
54%
of all weeks
Zenas BioPharma Inc. weekly returns#
| Week ending | Path | Total return |
|---|---|---|
| Oct 20, 2026 | +13.4% | |
| Oct 16, 2026 | -8.9% | |
| Oct 9, 2026 | -3.7% | |
| Oct 2, 2026 | +5.0% | |
| Sep 25, 2026 | -14.4% | |
| Sep 18, 2026 | +1.2% | |
| Sep 11, 2026 | -5.4% | |
| Sep 4, 2026 | +5.1% | |
| Aug 28, 2026 | -3.2% | |
| Aug 21, 2026 | +9.4% | |
| Aug 14, 2026 | -9.0% | |
| Aug 7, 2026 | +3.1% | |
| Jul 31, 2026 | +3.5% | |
| Jul 24, 2026 | +2.9% | |
| Jul 17, 2026 | +2.7% | |
| Jul 10, 2026 | +5.5% | |
| Jul 2, 2026 | +5.3% | |
| Jun 26, 2026 | +30.8% | |
| Jun 18, 2026 | -0.1% | |
| Jun 12, 2026 | +13.3% | |
| Jun 5, 2026 | -5.1% | |
| May 29, 2026 | -3.0% | |
| May 22, 2026 | +3.4% | |
| May 15, 2026 | -6.6% | |
| May 8, 2026 | +1.4% | |
| May 1, 2026 | +6.4% | |
| Apr 24, 2026 | -16.6% | |
| Apr 17, 2026 | +6.8% | |
| Apr 10, 2026 | -4.8% | |
| Apr 2, 2026 | +17.8% | |
| Mar 27, 2026 | -18.3% | |
| Mar 20, 2026 | -7.2% | |
| Mar 13, 2026 | -4.9% | |
| Mar 6, 2026 | -4.1% | |
| Feb 27, 2026 | +1.8% | |
| Feb 20, 2026 | -2.0% | |
| Feb 13, 2026 | +21.1% | |
| Feb 6, 2026 | +18.7% | |
| Jan 30, 2026 | -8.6% | |
| Jan 23, 2026 | -0.3% | |
| Jan 16, 2026 | +25.4% | |
| Jan 9, 2026 | -53.4% | |
| Jan 2, 2026 | -18.8% | |
| Dec 26, 2025 | +17.5% | |
| Dec 19, 2025 | -10.9% | |
| Dec 12, 2025 | +3.1% | |
| Dec 5, 2025 | +1.4% | |
| Nov 28, 2025 | +8.5% | |
| Nov 21, 2025 | +2.3% | |
| Nov 14, 2025 | +4.1% | |
| Nov 7, 2025 | +7.6% | |
| Oct 31, 2025 | +30.8% | |
| Oct 24, 2025 | -0.2% | |
| Oct 17, 2025 | -9.9% | |
| Oct 10, 2025 | +22.2% | |
| Oct 3, 2025 | +8.3% | |
| Sep 26, 2025 | +6.1% | |
| Sep 19, 2025 | -6.4% | |
| Sep 12, 2025 | -1.4% | |
| Sep 5, 2025 | +28.2% | |
| Aug 29, 2025 | -6.4% | |
| Aug 22, 2025 | +1.7% | |
| Aug 15, 2025 | +15.0% | |
| Aug 8, 2025 | -5.1% | |
| Aug 1, 2025 | -1.6% | |
| Jul 25, 2025 | +14.1% | |
| Jul 18, 2025 | +22.8% | |
| Jul 11, 2025 | +11.5% | |
| Jul 3, 2025 | +4.7% | |
| Jun 27, 2025 | +4.2% | |
| Jun 20, 2025 | -11.0% | |
| Jun 13, 2025 | -7.1% | |
| Jun 6, 2025 | +16.8% | |
| May 30, 2025 | -16.7% | |
| May 23, 2025 | +9.2% | |
| May 16, 2025 | +15.7% | |
| May 9, 2025 | -24.1% | |
| May 2, 2025 | +19.0% | |
| Apr 25, 2025 | +12.3% | |
| Apr 17, 2025 | +12.5% | |
| Apr 11, 2025 | +2.9% | |
| Apr 4, 2025 | -5.6% | |
| Mar 28, 2025 | -1.9% | |
| Mar 21, 2025 | +1.0% | |
| Mar 14, 2025 | +10.7% | |
| Mar 7, 2025 | +6.3% | |
| Feb 28, 2025 | -10.5% | |
| Feb 21, 2025 | +12.3% | |
| Feb 14, 2025 | -9.6% | |
| Feb 7, 2025 | -3.9% | |
| Jan 31, 2025 | +3.8% | |
| Jan 24, 2025 | -1.5% | |
| Jan 17, 2025 | -3.3% | |
| Jan 10, 2025 | -17.4% | |
| Jan 3, 2025 | -0.1% | |
| Dec 27, 2024 | -1.7% | |
| Dec 20, 2024 | +12.2% | |
| Dec 13, 2024 | -17.8% | |
| Dec 6, 2024 | -5.7% | |
| Nov 29, 2024 | -4.1% | |
| Nov 22, 2024 | -29.9% | |
| Nov 15, 2024 | -18.5% | |
| Nov 8, 2024 | +2.6% | |
| Nov 1, 2024 | +0.3% | |
| Oct 25, 2024 | -4.4% | |
| Oct 18, 2024 | +22.4% | |
| Oct 11, 2024 | -7.3% | |
| Oct 4, 2024 | +9.7% | |
| Sep 27, 2024 | -9.8% | |
| Sep 20, 2024 | +4.7% |
Weekly total return (since Nov 1, 2024)#
-40%-20%0%20%40%
Nov 1, 2024+0.34%
Nov 8, 2024+2.6%
Nov 15, 2024-19%
Nov 22, 2024-30%
Nov 29, 2024-4.1%
Dec 6, 2024-5.7%
Dec 13, 2024-18%
Dec 20, 2024+12%
Dec 27, 2024-1.7%
Jan 3, 2025-0.1%2025
Jan 10, 2025-17%
Jan 17, 2025-3.3%
Jan 24, 2025-1.5%
Jan 31, 2025+3.8%
Feb 7, 2025-3.9%
Feb 14, 2025-9.6%
Feb 21, 2025+12%
Feb 28, 2025-10%
Mar 7, 2025+6.3%
Mar 14, 2025+11%
Mar 21, 2025+0.97%
Mar 28, 2025-1.9%
Apr 4, 2025-5.6%
Apr 11, 2025+2.9%
Apr 17, 2025+12%
Apr 25, 2025+12%
May 2, 2025+19%
May 9, 2025-24%
May 16, 2025+16%
May 23, 2025+9.2%
May 30, 2025-17%
Jun 6, 2025+17%
Jun 13, 2025-7.1%
Jun 20, 2025-11%
Jun 27, 2025+4.2%
Jul 3, 2025+4.7%
Jul 11, 2025+11%
Jul 18, 2025+23%
Jul 25, 2025+14%
Aug 1, 2025-1.6%
Aug 8, 2025-5.1%
Aug 15, 2025+15%
Aug 22, 2025+1.7%
Aug 29, 2025-6.4%
Sep 5, 2025+28%
Sep 12, 2025-1.4%
Sep 19, 2025-6.4%
Sep 26, 2025+6.1%
Oct 3, 2025+8.3%
Oct 10, 2025+22%
Oct 17, 2025-9.9%
Oct 24, 2025-0.23%
Oct 31, 2025+31%
Nov 7, 2025+7.6%
Nov 14, 2025+4.1%
Nov 21, 2025+2.3%
Nov 28, 2025+8.5%
Dec 5, 2025+1.4%
Dec 12, 2025+3.1%
Dec 19, 2025-11%
Dec 26, 2025+18%
Jan 2, 2026-19%2026
Jan 9, 2026-53%
Jan 16, 2026+25%
Jan 23, 2026-0.35%
Jan 30, 2026-8.6%
Feb 6, 2026+19%
Feb 13, 2026+21%
Feb 20, 2026-2.0%
Feb 27, 2026+1.8%
Mar 6, 2026-4.1%
Mar 13, 2026-4.9%
Mar 20, 2026-7.2%
Mar 27, 2026-18%
Apr 2, 2026+18%
Apr 10, 2026-4.8%
Apr 17, 2026+6.8%
Apr 24, 2026-17%
May 1, 2026+6.4%
May 8, 2026+1.4%
May 15, 2026-6.6%
May 22, 2026+3.4%
May 29, 2026-3.0%
Jun 5, 2026-5.1%
Jun 12, 2026+13%
Jun 18, 2026-0.1%
Jun 26, 2026+31%
Jul 2, 2026+5.3%
Jul 10, 2026+5.5%
Jul 17, 2026+2.7%
Jul 24, 2026+2.9%
Jul 31, 2026+3.5%
Aug 7, 2026+3.1%
Aug 14, 2026-9.0%
Aug 21, 2026+9.4%
Aug 28, 2026-3.2%
Sep 4, 2026+5.1%
Sep 11, 2026-5.4%
Sep 18, 2026+1.2%
Sep 25, 2026-14%
Oct 2, 2026+5.0%
Oct 9, 2026-3.7%
Oct 16, 2026-8.9%
Oct 20, 2026+13%
Methodology#
Weekly returns are total returns (dividends reinvested), computed from ZBIO's split- and dividend-adjusted weekly (ISO week) closes. The table shows the most recent 260 weeks and the bar chart the most recent 104. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.
FAQ#
- What is Zenas BioPharma Inc.'s average weekly return?
- Zenas BioPharma Inc. (ZBIO) has averaged about 1.28% per week, positive in roughly 54% of weeks. The best week was Jun 26, 2026 (+30.8%) and the worst was Jan 9, 2026 (-53.4%).
More on Zenas BioPharma Inc.
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