Am I Taxed If I Only Take Out My Initial Investment?

Question in the title.

Example:

I put $1,000 in Stock A

Stock A goes up 15%

I take $1,000 out of stock A

I leave the gains in Stock A forever.

Am I taxed doing this? Or am I just pulling out my initial investment without gain?

EDIT:

Thanks friends! I now understand that it is taxed via Current cost of share – Initial cost of share.

I was thinking of it like a bank account where if i put $10 in and take $10, than it is the same $10, and I would be taxed if I take out any more (gain).

This is false, and there is an increase in value determined by current – initial, and looking at it this way has made me not confused 🙂

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