| Proton | Neutron | Nuclear Spin | Energy State | |
|---|---|---|---|---|
| 140Ho | 67 | 73 | 8 | |
| 141Ho | 67 | 74 | -7/2 | |
| 141mHo | 67 | 74 | 1/2 | |
| 142Ho | 67 | 75 | 7 | |
| 143Ho | 67 | 76 | -11/2 | |
| 144Ho | 67 | 77 | -6 | |
| 145Ho | 67 | 78 | -11/2 | |
| 145mHo | 67 | 78 | 5/2 | |
| 146Ho | 67 | 79 | 10 | |
| 147Ho | 67 | 80 | -11/2 | |
| 148m1Ho | 67 | 81 | -6 | |
| 148Ho | 67 | 81 | 1 | |
| 148m2Ho | 67 | 81 | 10 | |
| 149Ho | 67 | 82 | -11/2 | |
| 149m1Ho | 67 | 82 | 1/2 | |
| 150m1Ho | 67 | 83 | 9 | |
| 150Ho | 67 | 83 | -2 | |
| 151Ho | 67 | 84 | -11/2 | |
| 151mHo | 67 | 84 | 1/2 | |
| 152m1Ho | 67 | 85 | 9 | |
| 152Ho | 67 | 85 | -2 | |
| 152m2Ho | 67 | 85 | -19 | |
| 153m1Ho | 67 | 86 | 1/2 | |
| 153Ho | 67 | 86 | -11/2 | |
| 153m2Ho | 67 | 86 | 31/2 | |
| 154Ho | 67 | 87 | -2 | |
| 154mHo | 67 | 87 | 8 | |
| 155Ho | 67 | 88 | 5/2 | |
| 155mHo | 67 | 88 | -11/2 | |
| 156m1Ho | 67 | 89 | 9 | |
| 156Ho | 67 | 89 | -4 | |
| 156m2Ho | 67 | 89 | -1 | |
| 157Ho | 67 | 90 | -7/2 | |
| 158m1Ho | 67 | 91 | -2 | |
| 158Ho | 67 | 91 | 5 | |
| 158m2Ho | 67 | 91 | 9 | |
| 159mHo | 67 | 92 | 1/2 | |
| 159Ho | 67 | 92 | -7/2 | |
| 160m2Ho | 67 | 93 | 9 | |
| 160m1Ho | 67 | 93 | -2 | |
| 160Ho | 67 | 93 | 5 | |
| 161Ho | 67 | 94 | -7/2 | |
| 161mHo | 67 | 94 | 1/2 | |
| 162mHo | 67 | 95 | -6 | |
| 162Ho | 67 | 95 | 1 | |
| 163mHo | 67 | 96 | 1/2 | |
| 163Ho | 67 | 96 | -7/2 | |
| 164mHo | 67 | 97 | -6 | |
| 164Ho | 67 | 97 | 1 | |
| 165Ho | 67 | 98 | -7/2 | Stable |
| 166Ho | 67 | 99 | 0 | |
| 166m1Ho | 67 | 99 | -7 | |
| 166m2Ho | 67 | 99 | 3 | |
| 167Ho | 67 | 100 | -7/2 | |
| 167mHo | 67 | 100 | 3/2 | |
| 168Ho | 67 | 101 | 3 | |
| 168m1Ho | 67 | 101 | 6 | |
| 168m2Ho | 67 | 101 | -1 | |
| 169Ho | 67 | 102 | -7/2 | |
| 170mHo | 67 | 103 | 1 | |
| 170Ho | 67 | 103 | 6 | |
| 171Ho | 67 | 104 | -7/2 | |
| 172Ho | 67 | 105 | -4 | |
| 173Ho | 67 | 106 | -7/2 | |
| 174Ho | 67 | 107 | -4 | |
| 175Ho | 67 | 108 | -7/2 |