Your umbrella never has a home.
The only thing you own that is always wet and always in the way. A wall hook is not storage.
Every home has an umbrella problem and it is not the rain. It is the ninety minutes afterwards, when a wet object with no home is carried from room to room.
Hooks solve the wrong half
A hook keeps an umbrella off the floor, which sounds correct until you notice where the water goes. It runs down the shaft, off the handle, and onto whatever is underneath. Hanging it in a hallway is a decision to have a wet patch in the hallway instead of the porch.
Dry umbrellas are a horizontal problem
A closed umbrella is a tube full of trapped water. Standing is right; hanging is not, because hanging sends every drop to the lowest point, which is the handle you will pick up tomorrow. Standing lets the water run to the ferrule, which dries without anyone touching it.
The centimetres that matter
A holder that catches the drips does two things at once: it gives the umbrella an address, and it gives the water somewhere to go that is not the floor. Anything narrower at the top than the base is a cup. Anything wider is a stand. Both work. Most of what is sold is neither.
And the second umbrella
There is always a second one, folded, still wet from last week. Which means the holder needs to be a place, not a slot — the floor of a corner does this better than any product does.