ZBIO vs TNDM
Comparison between Zenas Biopharma Inc (ZBIO, Company) and Tandem Diabetes Care Inc (TNDM, Company).
Both ZBIO and TNDM are from the Healthcare sector.
ZBIO vs TNDM - Performance Comparison
Key Characteristics
Financial metrics and valuation ratios
Market Cap
Winner
ZBIO
$1.12B
TNDM
$1.11B
Max Drawdown
Winner
ZBIO
74.96%
TNDM
99.25%
Sharpe Ratio
Winner
ZBIO
0.94
TNDM
-0.11
5Y Beta
ZBIO
1.30
Winner
TNDM
1.18
Industry
ZBIO
Biotechnology
TNDM
Medical Devices
P/E Ratio
Winner
ZBIO
-2.19
TNDM
10.18
Forward P/E
ZBIO
N/A
TNDM
1111.11
PEG Ratio
ZBIO
N/A
TNDM
0.00
Debt to Equity
Winner
ZBIO
0.00%
TNDM
454.50%
Free Cash Flow Yield
ZBIO
-18.84%
Winner
TNDM
-0.33%
P/S Ratio
ZBIO
119.50
Winner
TNDM
1.18
P/B Ratio
Winner
ZBIO
3.36
TNDM
9.11
ZBIO vs TNDM - Historical Returns
Returns include dividend reinvestment.
1M
ZBIO
+3.34%
Winner
TNDM
+13.00%
3M
Winner
ZBIO
-19.18%
TNDM
-20.48%
6M
ZBIO
-51.22%
Winner
TNDM
-22.39%
1Y
Winner
ZBIO
+74.91%
TNDM
-20.65%
5Y(CAGR)
ZBIO
N/A
TNDM
-29.01%
10Y(CAGR)
ZBIO
N/A
TNDM
-13.68%
Max(CAGR)
Winner
ZBIO
+5.12%
TNDM
-17.71%
ZBIO vs TNDM - Annual Returns (2013 - 2026)
Returns include dividend reinvestment.
| Year | ZBIO | TNDM |
|---|---|---|
| 2026 | -42.61% | -22.97% |
| 2025 | +303.00% | -38.67% |
| 2024 | -54.88% | +27.14% |
| 2023 | N/A | -33.62% |
| 2022 | N/A | -70.05% |
| 2021 | N/A | +61.00% |
| 2020 | N/A | +58.91% |
| 2019 | N/A | +75.32% |
| 2018 | N/A | +1394.88% |
| 2017 | N/A | -88.76% |
| 2016 | N/A | -81.35% |
| 2015 | N/A | -6.64% |
| 2014 | N/A | -50.37% |
| 2013 | N/A | +33.80% |
ZBIO vs TNDM Drawdown Comparison
The maximum drawdown for ZBIO was -74.96%, occurring on Jan 28, 2025. Recovery took 240 trading sessions.
The maximum drawdown for TNDM was -99.25%, occurring on Nov 3, 2017. This drawdown has not yet recovered.
The current ZBIO drawdown is -54.13%. The current TNDM drawdown is -94.46%.
| Rank | ZBIO | TNDM |
|---|---|---|
| #1 | -74.96% Oct 22, 2024 - Oct 8, 2025 | -99.25% Jan 10, 2014 - Nov 3, 2017 |
| #2 | -64.79% Dec 24, 2025 - Jan 6, 2026 | -8.83% Dec 5, 2013 - Dec 26, 2013 |
| #3 | -19.71% Dec 12, 2025 - Dec 22, 2025 | -8.24% Nov 15, 2013 - Nov 27, 2013 |
| #4 | -14.88% Nov 26, 2025 - Dec 12, 2025 | -1.92% Nov 27, 2013 - Dec 2, 2013 |
| #5 | -13.92% Oct 9, 2025 - Oct 27, 2025 | -0.80% Dec 27, 2013 - Dec 31, 2013 |
| #6 | -12.01% Sep 24, 2024 - Oct 15, 2024 | -0.70% Dec 31, 2013 - Jan 3, 2014 |
| #7 | -11.92% Oct 27, 2025 - Nov 6, 2025 | -0.35% Dec 2, 2013 - Dec 4, 2013 |
| #8 | -6.22% Nov 19, 2025 - Nov 24, 2025 | -0.28% Jan 7, 2014 - Jan 9, 2014 |
| #9 | -3.47% Sep 13, 2024 - Sep 20, 2024 | N/A |
| #10 | -3.39% Nov 7, 2025 - Nov 11, 2025 | N/A |
| #11 | -2.23% Nov 12, 2025 - Nov 17, 2025 | N/A |
| #12 | -2.16% Sep 20, 2024 - Sep 24, 2024 | N/A |
| #13 | -1.27% Oct 15, 2024 - Oct 17, 2024 | N/A |
| #14 | -0.56% Oct 17, 2024 - Oct 21, 2024 | N/A |
Correlation
Correlation between ZBIO and TNDM is -0.23 which considered as a very weak or no correlation - the stocks move independently of each other.
-0.23
-101
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