Actinium Pharmaceuticals (Delaware) Stock Price History
NYSE: ATNMHealth CareBiotechnology: Pharmaceutical PreparationsUSD
1.10+0.02 (+1.85%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
ATNM price history at a glance
The price history for Actinium Pharmaceuticals (Delaware) (ATNM) on this page begins on December 24, 2012, when the stock closed at $45.00; it most recently closed at $1.10 on October 5, 2026. The highest price in this record is $450.00, reached on March 31, 2014; the latest close is 99.8% below that peak. Across the 13 complete calendar years in the table, ATNM finished higher in 3 and lower in 10. Its best year was 2013 (+313.3%) and its worst was 2016 (-72.9%).
Over roughly 14 years the share price changed -97.6%, a -23.6% compound annual price return (excluding dividends). In the last 12 months alone, ATNM has lost 26.7%. 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 2012
- $450.00
- Date of high
- Mar 31, 2014
- Low since 2012
- $0.735
- Date of low
- Aug 3, 2026
- 52-week high
- $1.74
- 52-week low
- $0.735
- Last close
- $1.10
ATNM returns
1 week
-5.98%
1 month
-10.57%
3 months
+18.28%
6 months
+1.85%
Year to date
-19.12%
1 year
-26.67%
3 years
-81.45%
5 years
-86.32%
ATNM price return, excluding dividends.
ATNM annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 1.10 | -19.71% |
| 2025 | 1.37 | -4.86% |
| 2024 | 1.44 | -71.65% |
| 2023 | 5.08 | -52.30% |
| 2022 | 10.65 | +77.20% |
| 2021 | 6.01 | -22.95% |
| 2020 | 7.80 | +8.33% |
| 2019 | 7.20 | -47.83% |
| 2018 | 13.80 | -30.72% |
| 2017 | 19.92 | -24.11% |
| 2016 | 26.25 | -72.91% |
| 2015 | 96.90 | -44.88% |
| 2014 | 175.80 | -5.48% |
| 2013 | 186.00 | +313.33% |
| 2012* | 45.00 | 0.00% |
* Partial year: the record begins after the start of 2012; return measured from the first available close.
2026 return is year to date.
ATNM daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 1.09 | 1.12 | 1.07 | 1.10 | +1.85% | |
| 1.09 | 1.10 | 1.06 | 1.08 | +0.93% | |
| 1.08 | 1.12 | 1.05 | 1.07 | -3.60% | |
| 1.20 | 1.22 | 1.02 | 1.11 | -7.50% | |
| 1.16 | 1.24 | 1.16 | 1.20 | +2.56% | |
| 1.15 | 1.19 | 1.12 | 1.17 | +1.74% | |
| 1.11 | 1.15 | 1.11 | 1.15 | +2.68% | |
| 1.14 | 1.20 | 1.10 | 1.12 | -1.75% | |
| 1.17 | 1.17 | 1.14 | 1.14 | -3.39% | |
| 1.18 | 1.20 | 1.17 | 1.18 | -1.67% | |
| 1.19 | 1.21 | 1.18 | 1.20 | +0.84% | |
| 1.19 | 1.25 | 1.18 | 1.19 | +0.85% | |
| 1.17 | 1.21 | 1.16 | 1.18 | +0.85% | |
| 1.18 | 1.22 | 1.17 | 1.17 | -2.50% | |
| 1.24 | 1.24 | 1.17 | 1.20 | -1.64% | |
| 1.18 | 1.23 | 1.18 | 1.22 | +2.52% | |
| 1.26 | 1.26 | 1.18 | 1.19 | -4.03% | |
| 1.26 | 1.28 | 1.24 | 1.24 | -0.80% | |
| 1.28 | 1.32 | 1.25 | 1.25 | -2.34% | |
| 1.41 | 1.42 | 1.25 | 1.28 | -8.57% | |
| 1.31 | 1.42 | 1.29 | 1.40 | +6.87% | |
| 1.25 | 1.34 | 1.23 | 1.31 | +6.50% | |
| 1.24 | 1.31 | 1.22 | 1.23 | 0.00% | |
| 1.06 | 1.25 | 1.06 | 1.23 | +19.42% | |
| 1.05 | 1.06 | 1.02 | 1.03 | -1.90% | |
| 1.02 | 1.06 | 1.01 | 1.05 | +5.00% | |
| 1.00 | 1.04 | 1.00 | 1.00 | +0.40% | |
| 1.01 | 1.02 | 0.996 | 0.996 | -2.35% | |
| 1.03 | 1.03 | 1.01 | 1.02 | +0.99% | |
| 1.00 | 1.03 | 0.97 | 1.01 | +1.00% | |
| 1.01 | 1.05 | 1.00 | 1.00 | -0.99% | |
| 1.08 | 1.08 | 1.01 | 1.01 | -6.48% | |
| 1.07 | 1.10 | 1.05 | 1.08 | +2.86% | |
| 1.10 | 1.10 | 1.04 | 1.05 | -4.55% | |
| 1.13 | 1.14 | 1.10 | 1.10 | -1.79% | |
| 1.13 | 1.14 | 1.07 | 1.12 | -0.88% | |
| 1.09 | 1.15 | 1.05 | 1.13 | +4.63% | |
| 1.05 | 1.12 | 1.03 | 1.08 | +2.86% | |
| 1.11 | 1.13 | 1.05 | 1.05 | +0.96% | |
| 0.95 | 1.09 | 0.935 | 1.04 | +7.88% | |
| 0.849 | 0.98 | 0.845 | 0.964 | +17.42% | |
| 0.80 | 0.829 | 0.79 | 0.821 | +3.53% | |
| 0.78 | 0.824 | 0.77 | 0.793 | +2.99% | |
| 0.80 | 0.808 | 0.76 | 0.77 | -3.39% | |
| 0.79 | 0.80 | 0.772 | 0.797 | +1.27% | |
| 0.75 | 0.789 | 0.747 | 0.787 | +5.07% | |
| 0.80 | 0.805 | 0.735 | 0.749 | -7.53% | |
| 0.811 | 0.83 | 0.81 | 0.81 | -0.25% | |
| 0.837 | 0.862 | 0.81 | 0.812 | -2.99% | |
| 0.837 | 0.85 | 0.837 | 0.837 | 0.00% | |
| 0.837 | 0.85 | 0.837 | 0.837 | 0.00% | |
| 0.85 | 0.882 | 0.834 | 0.837 | -3.46% | |
| 0.86 | 0.867 | 0.845 | 0.867 | +1.52% | |
| 0.88 | 0.88 | 0.807 | 0.854 | -0.70% | |
| 0.89 | 0.903 | 0.86 | 0.86 | -3.48% | |
| 0.91 | 0.91 | 0.886 | 0.891 | -1.00% | |
| 0.897 | 0.919 | 0.88 | 0.90 | 0.00% | |
| 0.89 | 0.92 | 0.89 | 0.90 | +1.93% | |
| 0.90 | 0.904 | 0.882 | 0.883 | -4.23% | |
| 0.903 | 0.93 | 0.89 | 0.922 | +3.60% | |
| 0.909 | 0.909 | 0.89 | 0.89 | -3.26% | |
| 0.899 | 0.922 | 0.899 | 0.92 | +2.79% | |
| 0.91 | 0.91 | 0.88 | 0.895 | -1.10% | |
| 0.924 | 0.97 | 0.90 | 0.905 | -2.69% | |
| 0.96 | 0.975 | 0.92 | 0.93 | -4.12% | |
| 0.96 | 1.00 | 0.96 | 0.97 | 0.00% | |
| 1.05 | 1.05 | 0.96 | 0.97 | -7.62% | |
| 0.96 | 1.05 | 0.937 | 1.05 | +9.26% | |
| 0.995 | 0.995 | 0.95 | 0.961 | -2.04% | |
| 0.974 | 0.99 | 0.974 | 0.981 | +0.10% | |
| 0.97 | 0.99 | 0.97 | 0.98 | 0.00% | |
| 0.98 | 0.999 | 0.95 | 0.98 | -1.01% | |
| 0.99 | 1.01 | 0.97 | 0.99 | 0.00% | |
| 0.95 | 0.997 | 0.94 | 0.99 | +4.21% | |
| 0.98 | 1.01 | 0.94 | 0.95 | -5.94% | |
| 1.00 | 1.03 | 1.00 | 1.01 | -0.98% | |
| 1.05 | 1.05 | 1.01 | 1.02 | -0.97% | |
| 1.02 | 1.05 | 1.02 | 1.03 | 0.00% | |
| 1.05 | 1.11 | 1.02 | 1.03 | +0.98% | |
| 0.99 | 1.06 | 0.98 | 1.02 | +4.08% | |
| 1.02 | 1.02 | 0.98 | 0.98 | -2.00% | |
| 1.00 | 1.03 | 1.00 | 1.00 | -0.99% | |
| 1.03 | 1.05 | 1.00 | 1.01 | -2.88% | |
| 1.03 | 1.07 | 1.03 | 1.04 | -0.95% | |
| 1.01 | 1.07 | 1.01 | 1.05 | +3.96% | |
| 1.05 | 1.10 | 1.01 | 1.01 | -4.72% | |
| 1.08 | 1.12 | 1.03 | 1.06 | -1.85% | |
| 1.11 | 1.14 | 1.06 | 1.08 | -2.70% | |
| 1.18 | 1.18 | 1.10 | 1.11 | -4.31% | |
| 1.25 | 1.25 | 1.15 | 1.16 | -4.92% | |
| 1.21 | 1.25 | 1.18 | 1.22 | +3.39% | |
| 1.26 | 1.29 | 1.18 | 1.18 | -6.35% | |
| 1.18 | 1.27 | 1.16 | 1.26 | +9.57% | |
| 1.18 | 1.18 | 1.13 | 1.15 | -2.54% | |
| 1.18 | 1.18 | 1.14 | 1.18 | +1.72% | |
| 1.18 | 1.18 | 1.15 | 1.16 | -1.69% | |
| 1.18 | 1.19 | 1.16 | 1.18 | 0.00% | |
| 1.18 | 1.20 | 1.15 | 1.18 | +0.85% | |
| 1.18 | 1.20 | 1.16 | 1.17 | +1.74% | |
| 1.16 | 1.21 | 1.15 | 1.15 | -1.71% | |
| 1.27 | 1.27 | 1.15 | 1.17 | -6.40% | |
| 1.27 | 1.33 | 1.25 | 1.25 | -2.34% | |
| 1.31 | 1.31 | 1.25 | 1.28 | -0.78% | |
| 1.30 | 1.33 | 1.27 | 1.29 | -0.77% | |
| 1.35 | 1.35 | 1.28 | 1.30 | -2.99% | |
| 1.32 | 1.38 | 1.29 | 1.34 | +2.29% | |
| 1.23 | 1.31 | 1.23 | 1.31 | +7.38% | |
| 1.23 | 1.25 | 1.21 | 1.22 | -1.61% | |
| 1.30 | 1.30 | 1.23 | 1.24 | -1.59% | |
| 1.20 | 1.29 | 1.19 | 1.26 | +5.00% | |
| 1.13 | 1.23 | 1.11 | 1.20 | +6.19% | |
| 1.11 | 1.14 | 1.11 | 1.13 | +1.80% | |
| 1.17 | 1.18 | 1.11 | 1.11 | -5.13% | |
| 1.19 | 1.20 | 1.15 | 1.17 | -1.68% | |
| 1.21 | 1.23 | 1.18 | 1.19 | -1.65% | |
| 1.29 | 1.29 | 1.21 | 1.21 | -5.47% | |
| 1.31 | 1.33 | 1.25 | 1.28 | -2.29% | |
| 1.41 | 1.41 | 1.29 | 1.31 | -6.43% | |
| 1.52 | 1.52 | 1.27 | 1.40 | -7.89% | |
| 1.51 | 1.53 | 1.43 | 1.52 | +5.56% | |
| 1.33 | 1.52 | 1.31 | 1.44 | +10.77% | |
| 1.25 | 1.34 | 1.25 | 1.30 | +4.00% | |
| 1.28 | 1.28 | 1.22 | 1.25 | -0.79% | |
| 1.12 | 1.29 | 1.08 | 1.26 | +14.55% | |
| 1.11 | 1.14 | 1.10 | 1.10 | -0.90% | |
| 1.07 | 1.11 | 1.06 | 1.11 | +2.78% | |
| 1.15 | 1.15 | 1.08 | 1.08 | -5.26% | |
| 1.17 | 1.18 | 1.11 | 1.14 | -2.56% | |
| 1.17 | 1.22 | 1.15 | 1.17 | 0.00% | |
| 1.10 | 1.19 | 1.08 | 1.17 | +7.34% | |
| 1.01 | 1.18 | 1.01 | 1.09 | +11.22% | |
| 0.99 | 1.01 | 0.98 | 0.98 | -1.01% | |
| 0.98 | 1.02 | 0.972 | 0.99 | -0.50% | |
| 0.99 | 1.03 | 0.952 | 0.995 | +0.51% | |
| 1.02 | 1.03 | 0.99 | 0.99 | -3.88% | |
| 1.03 | 1.05 | 1.01 | 1.03 | -1.90% | |
| 1.06 | 1.07 | 1.03 | 1.05 | -2.78% | |
| 1.10 | 1.12 | 1.07 | 1.08 | +0.93% | |
| 1.12 | 1.15 | 1.07 | 1.07 | -6.14% | |
| 1.07 | 1.17 | 1.07 | 1.14 | +2.70% | |
| 1.07 | 1.14 | 1.06 | 1.11 | +1.83% | |
| 1.09 | 1.10 | 1.08 | 1.09 | -0.91% | |
| 1.12 | 1.18 | 1.10 | 1.10 | -3.51% | |
| 1.14 | 1.17 | 1.14 | 1.14 | +2.70% | |
| 1.10 | 1.14 | 1.10 | 1.11 | 0.00% | |
| 1.15 | 1.20 | 1.10 | 1.11 | -1.77% | |
| 1.18 | 1.18 | 1.12 | 1.13 | -4.24% | |
| 1.23 | 1.23 | 1.16 | 1.18 | -2.48% | |
| 1.21 | 1.22 | 1.19 | 1.21 | +0.83% | |
| 1.18 | 1.22 | 1.17 | 1.20 | 0.00% | |
| 1.19 | 1.20 | 1.16 | 1.20 | +1.69% | |
| 1.21 | 1.25 | 1.17 | 1.18 | -4.07% | |
| 1.10 | 1.23 | 1.10 | 1.23 | +10.81% | |
| 1.13 | 1.17 | 1.09 | 1.11 | -2.63% | |
| 1.18 | 1.18 | 1.13 | 1.14 | -3.39% | |
| 1.16 | 1.22 | 1.14 | 1.18 | +2.61% | |
| 1.14 | 1.17 | 1.11 | 1.15 | +0.88% | |
| 1.06 | 1.17 | 1.06 | 1.14 | +6.54% | |
| 1.04 | 1.09 | 1.03 | 1.07 | +1.90% | |
| 1.05 | 1.08 | 1.03 | 1.05 | -0.94% | |
| 1.12 | 1.16 | 1.05 | 1.06 | -4.50% | |
| 1.04 | 1.12 | 1.04 | 1.11 | +6.73% | |
| 1.10 | 1.10 | 1.02 | 1.04 | -3.70% | |
| 1.15 | 1.16 | 1.06 | 1.08 | -2.70% | |
| 1.13 | 1.19 | 1.10 | 1.11 | 0.00% | |
| 1.12 | 1.18 | 1.11 | 1.11 | -0.89% | |
| 1.15 | 1.17 | 1.12 | 1.12 | -1.75% | |
| 1.17 | 1.20 | 1.12 | 1.14 | -0.87% | |
| 1.16 | 1.17 | 1.13 | 1.15 | 0.00% | |
| 1.19 | 1.19 | 1.15 | 1.15 | -0.86% | |
| 1.15 | 1.21 | 1.15 | 1.16 | 0.00% | |
| 1.20 | 1.21 | 1.15 | 1.16 | -3.33% | |
| 1.20 | 1.23 | 1.19 | 1.20 | -1.64% | |
| 1.16 | 1.23 | 1.15 | 1.22 | +5.17% | |
| 1.22 | 1.24 | 1.16 | 1.16 | -5.69% | |
| 1.24 | 1.25 | 1.20 | 1.23 | +0.82% | |
| 1.27 | 1.29 | 1.21 | 1.22 | -5.43% | |
| 1.26 | 1.29 | 1.26 | 1.29 | +1.57% | |
| 1.28 | 1.30 | 1.27 | 1.27 | -2.31% | |
| 1.36 | 1.36 | 1.29 | 1.30 | -2.99% | |
| 1.32 | 1.38 | 1.31 | 1.34 | +1.52% | |
| 1.28 | 1.34 | 1.28 | 1.32 | +3.13% | |
| 1.33 | 1.33 | 1.28 | 1.28 | -3.76% | |
| 1.31 | 1.34 | 1.30 | 1.33 | +1.53% | |
| 1.35 | 1.35 | 1.30 | 1.31 | -1.50% | |
| 1.35 | 1.36 | 1.30 | 1.33 | -1.48% | |
| 1.30 | 1.36 | 1.30 | 1.35 | +3.85% | |
| 1.36 | 1.40 | 1.27 | 1.30 | -6.47% | |
| 1.43 | 1.47 | 1.37 | 1.39 | -2.80% | |
| 1.45 | 1.48 | 1.42 | 1.43 | -2.05% | |
| 1.45 | 1.47 | 1.42 | 1.46 | +2.10% | |
| 1.42 | 1.49 | 1.40 | 1.43 | -1.38% | |
| 1.38 | 1.45 | 1.35 | 1.45 | +5.84% | |
| 1.36 | 1.38 | 1.33 | 1.37 | +0.74% | |
| 1.38 | 1.43 | 1.35 | 1.36 | -3.55% | |
| 1.42 | 1.45 | 1.38 | 1.41 | -0.70% | |
| 1.52 | 1.52 | 1.41 | 1.42 | -6.58% | |
| 1.59 | 1.60 | 1.48 | 1.52 | -4.40% | |
| 1.60 | 1.61 | 1.55 | 1.59 | +0.63% | |
| 1.59 | 1.64 | 1.56 | 1.58 | -1.25% | |
| 1.71 | 1.72 | 1.60 | 1.60 | -5.33% | |
| 1.60 | 1.71 | 1.57 | 1.69 | +6.29% | |
| 1.65 | 1.67 | 1.57 | 1.59 | -4.22% | |
| 1.50 | 1.67 | 1.48 | 1.66 | +9.21% | |
| 1.56 | 1.56 | 1.48 | 1.52 | -4.40% | |
| 1.52 | 1.69 | 1.52 | 1.59 | +5.30% | |
| 1.51 | 1.56 | 1.47 | 1.51 | +4.14% | |
| 1.42 | 1.48 | 1.41 | 1.45 | +2.11% | |
| 1.44 | 1.46 | 1.41 | 1.42 | -0.70% | |
| 1.40 | 1.45 | 1.37 | 1.43 | +2.14% | |
| 1.45 | 1.47 | 1.40 | 1.40 | -2.10% | |
| 1.45 | 1.47 | 1.40 | 1.43 | -1.38% | |
| 1.45 | 1.54 | 1.41 | 1.45 | 0.00% | |
| 1.38 | 1.48 | 1.38 | 1.45 | +5.07% | |
| 1.37 | 1.40 | 1.33 | 1.38 | +0.73% | |
| 1.40 | 1.42 | 1.36 | 1.37 | -0.72% | |
| 1.44 | 1.44 | 1.38 | 1.38 | -4.83% | |
| 1.38 | 1.48 | 1.37 | 1.45 | +3.57% | |
| 1.38 | 1.40 | 1.32 | 1.40 | +2.19% | |
| 1.31 | 1.42 | 1.30 | 1.37 | +3.01% | |
| 1.28 | 1.34 | 1.25 | 1.33 | +3.10% | |
| 1.35 | 1.41 | 1.29 | 1.29 | -5.15% | |
| 1.44 | 1.44 | 1.33 | 1.36 | -4.90% | |
| 1.46 | 1.48 | 1.38 | 1.43 | -1.38% | |
| 1.38 | 1.60 | 1.35 | 1.45 | +14.17% | |
| 1.24 | 1.34 | 1.24 | 1.27 | +1.60% | |
| 1.30 | 1.31 | 1.23 | 1.25 | -3.85% | |
| 1.28 | 1.32 | 1.28 | 1.30 | -0.76% | |
| 1.29 | 1.33 | 1.28 | 1.31 | -1.50% | |
| 1.28 | 1.33 | 1.26 | 1.33 | +5.56% | |
| 1.30 | 1.32 | 1.23 | 1.26 | -4.55% | |
| 1.36 | 1.40 | 1.30 | 1.32 | -1.49% | |
| 1.33 | 1.36 | 1.33 | 1.34 | -0.74% | |
| 1.35 | 1.40 | 1.33 | 1.35 | -2.17% | |
| 1.41 | 1.43 | 1.36 | 1.38 | -3.50% | |
| 1.41 | 1.44 | 1.40 | 1.43 | +0.70% | |
| 1.43 | 1.45 | 1.40 | 1.42 | -2.74% | |
| 1.47 | 1.48 | 1.41 | 1.46 | -1.35% | |
| 1.54 | 1.55 | 1.44 | 1.48 | -3.27% | |
| 1.68 | 1.69 | 1.53 | 1.53 | -8.38% | |
| 1.56 | 1.74 | 1.51 | 1.67 | +16.78% | |
| 1.45 | 1.46 | 1.39 | 1.43 | -0.69% | |
| 1.50 | 1.50 | 1.40 | 1.44 | -4.64% | |
| 1.53 | 1.54 | 1.45 | 1.51 | -0.66% | |
| 1.49 | 1.53 | 1.45 | 1.52 | +4.11% | |
| 1.46 | 1.49 | 1.45 | 1.46 | 0.00% | |
| 1.55 | 1.57 | 1.45 | 1.46 | -5.81% | |
| 1.55 | 1.59 | 1.51 | 1.55 | -0.64% | |
| 1.61 | 1.61 | 1.53 | 1.56 | -3.11% | |
| 1.49 | 1.61 | 1.47 | 1.61 | +8.05% | |
| 1.52 | 1.53 | 1.48 | 1.49 | -0.67% | |
| 1.54 | 1.59 | 1.48 | 1.50 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the ATNM chart for longer ranges.