Take out profits only

Hello, is there a way I can take out my profits but leave my actual investments in.

I am only invested in one index fund.

I want to (if possible) take out the £1,385.65of profit but leave the £10,003.50 in - or do I have to sell all of it to take my full profit?

Thanks.

Hello, is there a way I can take out my profits but leave my actual investments in.

I am only invested in one index fund.

I want to (if possible) take out the £1,385.65of profit but leave the £10,003.50 in - or do I have to sell all of it to take my full profit?

Thanks.