CytomX Therapeutics Stock Price History
NASDAQ: CTMXHealth CareBiotechnology: Pharmaceutical PreparationsUSD
2.57+0.10 (+4.05%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
CTMX price history at a glance
The price history for CytomX Therapeutics (CTMX) on this page begins on October 5, 2015, when the stock closed at $12.40; it most recently closed at $2.57 on October 5, 2026. The highest price in this record is $35.00, reached on March 5, 2018; the latest close is 92.7% below that peak. Across the 10 complete calendar years in the table, CTMX finished higher in 2 and lower in 8. Its best year was 2025 (+276.1%) and its worst was 2022 (-63.0%).
Over roughly 11 years the share price changed -79.3%, a -13.3% compound annual price return (excluding dividends). In the last 12 months alone, CTMX has lost 25.5%. 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 2015
- $35.00
- Date of high
- Mar 5, 2018
- Low since 2015
- $0.40
- Date of low
- Apr 7, 2025
- 52-week high
- $8.21
- 52-week low
- $2.43
- IPO year
- 2015
- Last close
- $2.57
CTMX returns
1 week
+0.39%
1 month
-27.40%
3 months
-31.65%
6 months
-41.46%
Year to date
-39.67%
1 year
-25.51%
3 years
+105.60%
5 years
-50.00%
CTMX price return, excluding dividends.
CTMX annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 2.57 | -39.53% |
| 2025 | 4.25 | +276.11% |
| 2024 | 1.13 | -27.10% |
| 2023 | 1.55 | -3.13% |
| 2022 | 1.60 | -63.05% |
| 2021 | 4.33 | -33.89% |
| 2020 | 6.55 | -17.19% |
| 2019 | 7.91 | -50.00% |
| 2018 | 15.82 | -25.06% |
| 2017 | 21.11 | +92.08% |
| 2016 | 10.99 | -47.34% |
| 2015* | 20.87 | +68.31% |
* Partial year: the record begins after the start of 2015; return measured from the first available close.
2026 return is year to date.
CTMX daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 2.46 | 2.58 | 2.44 | 2.57 | +4.05% | |
| 2.51 | 2.55 | 2.43 | 2.47 | -3.14% | |
| 2.53 | 2.65 | 2.52 | 2.55 | -0.39% | |
| 2.61 | 2.63 | 2.51 | 2.56 | -0.78% | |
| 2.55 | 2.67 | 2.48 | 2.58 | +0.78% | |
| 2.68 | 2.68 | 2.55 | 2.56 | -2.66% | |
| 2.71 | 2.78 | 2.62 | 2.63 | -3.31% | |
| 2.78 | 2.80 | 2.70 | 2.72 | -1.09% | |
| 2.70 | 2.83 | 2.65 | 2.75 | +2.23% | |
| 2.68 | 2.76 | 2.60 | 2.69 | -0.37% | |
| 2.74 | 2.78 | 2.66 | 2.70 | -1.82% | |
| 2.75 | 2.78 | 2.68 | 2.75 | -1.08% | |
| 2.90 | 2.91 | 2.67 | 2.78 | -5.44% | |
| 2.86 | 3.00 | 2.76 | 2.94 | +6.52% | |
| 2.80 | 2.83 | 2.74 | 2.76 | 0.00% | |
| 2.83 | 2.86 | 2.72 | 2.76 | -2.13% | |
| 2.83 | 2.92 | 2.78 | 2.82 | +1.99% | |
| 2.72 | 2.87 | 2.67 | 2.77 | +2.79% | |
| 3.20 | 3.21 | 2.67 | 2.69 | -15.94% | |
| 3.34 | 3.36 | 3.15 | 3.20 | -2.74% | |
| 3.38 | 3.41 | 3.23 | 3.29 | -1.79% | |
| 3.50 | 3.52 | 3.34 | 3.35 | -5.37% | |
| 3.66 | 3.66 | 3.50 | 3.54 | -3.01% | |
| 3.61 | 3.66 | 3.58 | 3.65 | -1.62% | |
| 3.64 | 3.73 | 3.53 | 3.71 | +0.82% | |
| 3.73 | 3.82 | 3.61 | 3.68 | -1.08% | |
| 3.72 | 3.89 | 3.69 | 3.72 | +1.36% | |
| 3.32 | 3.73 | 3.32 | 3.67 | +9.23% | |
| 3.20 | 3.38 | 3.17 | 3.36 | +4.67% | |
| 3.40 | 3.42 | 3.21 | 3.21 | -6.14% | |
| 3.46 | 3.52 | 3.29 | 3.42 | +3.01% | |
| 3.35 | 3.38 | 3.29 | 3.32 | -1.48% | |
| 3.32 | 3.45 | 3.32 | 3.37 | +2.43% | |
| 3.30 | 3.38 | 3.18 | 3.29 | +0.30% | |
| 3.31 | 3.42 | 3.27 | 3.28 | -0.30% | |
| 3.53 | 3.56 | 3.27 | 3.29 | -7.84% | |
| 3.48 | 3.60 | 3.46 | 3.57 | +5.31% | |
| 3.41 | 3.44 | 3.30 | 3.39 | -1.74% | |
| 3.36 | 3.46 | 3.34 | 3.45 | +2.68% | |
| 3.34 | 3.39 | 3.28 | 3.36 | +0.30% | |
| 3.50 | 3.50 | 3.34 | 3.35 | -4.01% | |
| 3.48 | 3.54 | 3.42 | 3.49 | +1.16% | |
| 3.42 | 3.50 | 3.37 | 3.45 | +0.29% | |
| 3.45 | 3.50 | 3.39 | 3.44 | -0.58% | |
| 3.32 | 3.55 | 3.30 | 3.46 | +2.67% | |
| 3.31 | 3.40 | 3.29 | 3.37 | +0.60% | |
| 3.30 | 3.38 | 3.27 | 3.35 | +0.90% | |
| 3.23 | 3.33 | 3.22 | 3.32 | +4.73% | |
| 3.09 | 3.18 | 3.01 | 3.17 | +2.26% | |
| 3.26 | 3.28 | 3.10 | 3.10 | -5.49% | |
| 3.18 | 3.29 | 3.16 | 3.28 | +3.47% | |
| 3.21 | 3.35 | 3.15 | 3.17 | -1.55% | |
| 3.26 | 3.27 | 3.13 | 3.22 | -0.92% | |
| 3.25 | 3.43 | 3.25 | 3.25 | +0.31% | |
| 3.34 | 3.38 | 3.20 | 3.24 | -2.70% | |
| 3.31 | 3.41 | 3.28 | 3.33 | 0.00% | |
| 3.40 | 3.44 | 3.33 | 3.33 | -2.63% | |
| 3.50 | 3.55 | 3.39 | 3.42 | -2.84% | |
| 3.65 | 3.74 | 3.51 | 3.52 | -2.76% | |
| 3.65 | 3.69 | 3.52 | 3.62 | -1.23% | |
| 3.64 | 3.72 | 3.53 | 3.67 | -0.41% | |
| 3.64 | 3.71 | 3.53 | 3.68 | +0.55% | |
| 3.70 | 3.81 | 3.64 | 3.66 | -1.08% | |
| 3.69 | 3.80 | 3.63 | 3.70 | -1.60% | |
| 4.00 | 4.02 | 3.62 | 3.76 | -4.93% | |
| 3.81 | 3.96 | 3.77 | 3.96 | +3.26% | |
| 3.77 | 3.88 | 3.65 | 3.83 | -0.26% | |
| 3.86 | 3.89 | 3.69 | 3.84 | +0.79% | |
| 3.76 | 3.89 | 3.70 | 3.81 | -0.26% | |
| 3.65 | 3.90 | 3.60 | 3.82 | +6.11% | |
| 3.76 | 3.82 | 3.58 | 3.60 | -4.00% | |
| 3.75 | 3.89 | 3.64 | 3.75 | +0.27% | |
| 3.39 | 3.81 | 3.36 | 3.74 | +10.00% | |
| 3.27 | 3.48 | 3.23 | 3.40 | +3.98% | |
| 3.29 | 3.39 | 3.24 | 3.27 | -1.51% | |
| 3.16 | 3.40 | 3.13 | 3.32 | +5.40% | |
| 3.04 | 3.22 | 3.01 | 3.15 | +3.62% | |
| 2.98 | 3.08 | 2.95 | 3.04 | +3.05% | |
| 3.02 | 3.07 | 2.89 | 2.95 | -0.34% | |
| 2.95 | 3.10 | 2.91 | 2.96 | +1.02% | |
| 3.03 | 3.05 | 2.87 | 2.93 | -3.62% | |
| 3.05 | 3.13 | 2.98 | 3.04 | +1.00% | |
| 2.98 | 3.05 | 2.96 | 3.01 | +1.01% | |
| 2.93 | 3.01 | 2.87 | 2.98 | +2.41% | |
| 2.97 | 3.02 | 2.89 | 2.91 | -2.35% | |
| 2.99 | 3.02 | 2.82 | 2.98 | +1.36% | |
| 3.05 | 3.05 | 2.89 | 2.94 | -2.00% | |
| 3.19 | 3.19 | 2.98 | 3.00 | -5.66% | |
| 3.23 | 3.30 | 3.16 | 3.18 | -1.24% | |
| 3.22 | 3.31 | 3.17 | 3.22 | +1.90% | |
| 3.40 | 3.41 | 3.14 | 3.16 | -8.41% | |
| 3.57 | 3.60 | 3.38 | 3.45 | -4.17% | |
| 3.71 | 3.71 | 3.54 | 3.60 | -2.96% | |
| 3.85 | 3.88 | 3.70 | 3.71 | -2.62% | |
| 3.70 | 3.90 | 3.70 | 3.81 | +3.25% | |
| 3.75 | 3.78 | 3.57 | 3.69 | -1.86% | |
| 3.75 | 3.85 | 3.74 | 3.76 | 0.00% | |
| 3.69 | 3.80 | 3.64 | 3.76 | +1.08% | |
| 3.69 | 3.78 | 3.61 | 3.72 | +2.20% | |
| 3.54 | 3.67 | 3.43 | 3.64 | +4.00% | |
| 3.60 | 3.62 | 3.45 | 3.50 | -3.05% | |
| 3.72 | 3.73 | 3.58 | 3.61 | -4.50% | |
| 3.80 | 3.81 | 3.70 | 3.78 | -0.26% | |
| 3.85 | 3.87 | 3.71 | 3.79 | -2.32% | |
| 3.87 | 3.96 | 3.80 | 3.88 | +0.52% | |
| 3.90 | 4.12 | 3.81 | 3.86 | -3.02% | |
| 4.04 | 4.23 | 3.86 | 3.98 | -0.50% | |
| 4.13 | 4.13 | 3.87 | 4.00 | -3.15% | |
| 4.12 | 4.21 | 4.03 | 4.13 | +1.23% | |
| 4.20 | 4.26 | 4.04 | 4.08 | -2.39% | |
| 4.15 | 4.34 | 4.13 | 4.18 | 0.00% | |
| 4.22 | 4.38 | 4.13 | 4.18 | -0.95% | |
| 4.09 | 4.25 | 3.99 | 4.22 | +4.20% | |
| 4.09 | 4.14 | 4.00 | 4.05 | -1.70% | |
| 4.25 | 4.30 | 4.10 | 4.12 | -3.96% | |
| 4.38 | 4.46 | 4.25 | 4.29 | -2.50% | |
| 4.50 | 4.63 | 4.32 | 4.40 | -1.12% | |
| 4.60 | 4.65 | 4.43 | 4.45 | -3.47% | |
| 4.82 | 4.94 | 4.56 | 4.61 | -3.15% | |
| 4.89 | 4.99 | 4.73 | 4.76 | -2.66% | |
| 4.79 | 5.07 | 4.73 | 4.89 | +1.45% | |
| 5.03 | 5.08 | 4.80 | 4.82 | -1.43% | |
| 4.58 | 5.08 | 4.56 | 4.89 | +7.24% | |
| 4.58 | 4.66 | 4.39 | 4.56 | +0.44% | |
| 4.40 | 4.58 | 4.30 | 4.54 | +3.42% | |
| 4.38 | 4.44 | 4.30 | 4.39 | 0.00% | |
| 4.23 | 4.46 | 4.21 | 4.39 | +3.54% | |
| 4.25 | 4.31 | 4.16 | 4.24 | -0.24% | |
| 4.44 | 4.50 | 4.18 | 4.25 | -1.16% | |
| 4.32 | 4.36 | 4.15 | 4.30 | -2.27% | |
| 4.55 | 4.60 | 4.33 | 4.40 | -3.51% | |
| 4.37 | 4.58 | 4.29 | 4.56 | 0.00% | |
| 4.71 | 4.87 | 4.55 | 4.56 | -2.98% | |
| 4.50 | 4.75 | 4.50 | 4.70 | +6.58% | |
| 4.49 | 4.51 | 4.25 | 4.41 | -2.43% | |
| 4.40 | 4.80 | 4.37 | 4.52 | +2.26% | |
| 4.15 | 4.43 | 4.11 | 4.42 | +4.74% | |
| 4.35 | 4.47 | 4.08 | 4.22 | -0.47% | |
| 4.37 | 4.42 | 4.15 | 4.24 | -4.93% | |
| 4.48 | 4.61 | 4.34 | 4.46 | +0.22% | |
| 4.62 | 4.77 | 4.40 | 4.45 | -6.90% | |
| 4.51 | 5.15 | 4.41 | 4.78 | +8.64% | |
| 5.27 | 5.31 | 4.36 | 4.40 | -19.27% | |
| 6.92 | 6.93 | 5.40 | 5.45 | -19.26% | |
| 6.92 | 8.21 | 6.04 | 6.75 | +44.23% | |
| 4.90 | 4.98 | 4.61 | 4.68 | -3.90% | |
| 4.78 | 4.90 | 4.65 | 4.87 | -0.20% | |
| 4.88 | 5.00 | 4.76 | 4.88 | 0.00% | |
| 5.03 | 5.11 | 4.82 | 4.88 | -2.98% | |
| 4.61 | 5.05 | 4.56 | 5.03 | +7.48% | |
| 4.64 | 4.75 | 4.57 | 4.68 | -1.89% | |
| 5.01 | 5.01 | 4.67 | 4.77 | -5.92% | |
| 5.00 | 5.12 | 4.82 | 5.07 | +5.41% | |
| 5.23 | 5.23 | 4.80 | 4.81 | -9.93% | |
| 5.19 | 5.50 | 5.17 | 5.34 | -0.56% | |
| 5.34 | 5.44 | 5.29 | 5.37 | -2.01% | |
| 5.73 | 5.74 | 5.32 | 5.48 | -5.19% | |
| 5.48 | 6.10 | 5.48 | 5.78 | +6.25% | |
| 5.56 | 5.74 | 5.44 | 5.44 | -2.51% | |
| 5.41 | 5.66 | 5.40 | 5.58 | +2.76% | |
| 5.34 | 5.56 | 5.33 | 5.43 | -0.73% | |
| 5.37 | 5.61 | 5.23 | 5.47 | +1.11% | |
| 5.27 | 5.43 | 5.19 | 5.41 | +2.66% | |
| 5.28 | 5.41 | 5.03 | 5.27 | -0.94% | |
| 5.45 | 5.65 | 5.30 | 5.32 | -2.03% | |
| 5.54 | 5.56 | 5.35 | 5.43 | -2.34% | |
| 5.56 | 5.65 | 5.20 | 5.56 | +0.54% | |
| 5.70 | 5.78 | 5.44 | 5.53 | -2.98% | |
| 5.70 | 6.00 | 5.56 | 5.70 | +0.53% | |
| 5.30 | 5.78 | 5.30 | 5.67 | +8.21% | |
| 5.62 | 5.85 | 5.17 | 5.24 | -7.58% | |
| 6.19 | 6.35 | 5.49 | 5.67 | -6.59% | |
| 6.12 | 6.17 | 5.82 | 6.07 | -0.33% | |
| 5.57 | 6.12 | 5.57 | 6.09 | +7.03% | |
| 5.69 | 5.88 | 5.38 | 5.69 | -0.87% | |
| 5.88 | 6.14 | 5.65 | 5.74 | -2.71% | |
| 5.91 | 6.11 | 5.60 | 5.90 | -0.51% | |
| 5.30 | 5.97 | 5.30 | 5.93 | +11.05% | |
| 5.50 | 5.56 | 5.26 | 5.34 | -3.61% | |
| 5.69 | 5.70 | 5.40 | 5.54 | -3.15% | |
| 5.36 | 6.15 | 5.32 | 5.72 | +8.13% | |
| 5.28 | 5.42 | 5.04 | 5.29 | -1.49% | |
| 5.46 | 5.61 | 5.10 | 5.37 | -0.37% | |
| 4.25 | 5.70 | 4.25 | 5.39 | +26.82% | |
| 4.31 | 4.37 | 4.10 | 4.25 | -1.16% | |
| 4.16 | 4.39 | 4.10 | 4.30 | +5.13% | |
| 4.33 | 4.37 | 4.09 | 4.09 | -5.76% | |
| 4.33 | 4.40 | 4.13 | 4.34 | -0.23% | |
| 4.30 | 4.43 | 4.24 | 4.35 | +2.11% | |
| 4.33 | 4.42 | 4.13 | 4.26 | -0.93% | |
| 4.15 | 4.50 | 4.12 | 4.30 | +3.86% | |
| 4.12 | 4.18 | 4.02 | 4.14 | +0.49% | |
| 4.31 | 4.32 | 3.98 | 4.12 | -3.06% | |
| 4.27 | 4.66 | 4.21 | 4.25 | -0.23% | |
| 4.18 | 4.30 | 4.16 | 4.26 | +2.40% | |
| 4.21 | 4.22 | 4.07 | 4.16 | -0.72% | |
| 4.31 | 4.40 | 4.18 | 4.19 | -4.56% | |
| 4.43 | 4.48 | 4.27 | 4.39 | -0.23% | |
| 4.19 | 4.46 | 4.12 | 4.40 | +4.76% | |
| 4.08 | 4.31 | 4.02 | 4.20 | +1.94% | |
| 4.00 | 4.20 | 3.89 | 4.12 | +3.00% | |
| 3.90 | 4.20 | 3.89 | 4.00 | +3.09% | |
| 4.08 | 4.20 | 3.86 | 3.88 | -5.60% | |
| 4.29 | 4.37 | 3.98 | 4.11 | -3.29% | |
| 4.05 | 4.25 | 4.01 | 4.25 | +2.91% | |
| 4.22 | 4.25 | 4.07 | 4.13 | -1.43% | |
| 4.06 | 4.21 | 3.98 | 4.19 | +3.20% | |
| 3.90 | 4.13 | 3.88 | 4.06 | +4.10% | |
| 3.89 | 3.94 | 3.78 | 3.90 | +0.26% | |
| 3.87 | 4.01 | 3.86 | 3.89 | +0.52% | |
| 4.01 | 4.06 | 3.87 | 3.87 | -2.03% | |
| 4.08 | 4.09 | 3.92 | 3.95 | -3.19% | |
| 3.96 | 4.20 | 3.94 | 4.08 | +2.00% | |
| 3.81 | 4.02 | 3.66 | 4.00 | +4.99% | |
| 4.24 | 4.28 | 3.76 | 3.81 | -11.19% | |
| 4.19 | 4.31 | 4.05 | 4.29 | +0.23% | |
| 4.22 | 4.33 | 4.18 | 4.28 | +1.42% | |
| 4.20 | 4.25 | 4.07 | 4.22 | +1.69% | |
| 3.95 | 4.16 | 3.93 | 4.15 | +4.53% | |
| 3.89 | 4.25 | 3.89 | 3.97 | +2.32% | |
| 3.76 | 3.94 | 3.73 | 3.88 | +2.92% | |
| 3.69 | 3.94 | 3.69 | 3.77 | +3.86% | |
| 3.64 | 3.73 | 3.60 | 3.63 | -0.82% | |
| 3.44 | 3.69 | 3.42 | 3.66 | +3.10% | |
| 3.78 | 3.93 | 3.51 | 3.55 | -8.51% | |
| 3.67 | 4.01 | 3.66 | 3.88 | +0.52% | |
| 4.05 | 4.09 | 3.78 | 3.86 | -8.75% | |
| 4.21 | 4.45 | 4.04 | 4.23 | +3.17% | |
| 4.19 | 4.24 | 4.06 | 4.10 | -2.15% | |
| 3.79 | 4.19 | 3.75 | 4.19 | +15.75% | |
| 3.80 | 3.88 | 3.35 | 3.62 | -13.60% | |
| 4.31 | 4.62 | 4.17 | 4.19 | -0.48% | |
| 4.15 | 4.46 | 4.02 | 4.21 | +2.93% | |
| 3.86 | 4.18 | 3.71 | 4.09 | +4.07% | |
| 3.56 | 4.16 | 3.50 | 3.93 | +10.08% | |
| 3.38 | 3.59 | 3.36 | 3.57 | +7.21% | |
| 3.25 | 3.36 | 3.22 | 3.33 | +2.15% | |
| 3.34 | 3.39 | 3.23 | 3.26 | -1.81% | |
| 3.34 | 3.50 | 3.30 | 3.32 | -1.19% | |
| 3.31 | 3.45 | 3.30 | 3.36 | +3.07% | |
| 3.35 | 3.39 | 3.25 | 3.26 | -1.21% | |
| 3.43 | 3.53 | 3.21 | 3.30 | -2.65% | |
| 3.60 | 3.62 | 3.25 | 3.39 | -6.22% | |
| 3.90 | 3.91 | 3.57 | 3.62 | -3.34% | |
| 3.21 | 3.79 | 3.20 | 3.74 | +16.88% | |
| 3.28 | 3.29 | 3.17 | 3.20 | -2.44% | |
| 3.41 | 3.48 | 3.25 | 3.28 | -3.81% | |
| 3.46 | 3.47 | 3.31 | 3.41 | -0.29% | |
| 3.35 | 3.51 | 3.21 | 3.42 | +0.59% | |
| 3.44 | 3.44 | 3.30 | 3.40 | +1.19% | |
| 3.49 | 3.49 | 3.06 | 3.36 | -2.61% | |
| 3.37 | 3.48 | 3.35 | 3.45 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the CTMX chart for longer ranges.