Is this possible?
Or does I have to do an ego search 
Click your icon at the top-right, then click your username at the top-left of the menu which opens.
On the Summary tab, you can find counts of topics created and posts made (posts includes replies in other people's topics) and you can click those to see the list of them.
Or, on the Activity tab, you can click the links on the left to see the same things.
Or you can make direct bookmarks:
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Alternatively (if not logged):
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