```python
def cell_count(grid: list, value: int) -> int:
    """
    Count the number of cells in the grid that hold the specified value.

    :param grid: A list of lists representing the grid.
    :param value: The value to count in the grid.
    :return: The count of cells holding the specified value.
    """
    return sum(row.count(value) for row in grid)
```