He will of course hold the bottle himself in time to come. Some are fast, others may take a little more time and encouragement.
It takes time. Some baby tend to be a little lazier. so no worries. they eventually will learn to hold their own bottle
My son learned late too! I think he only knew when he's 11-12 months old, so ... 😅
yes definitely. mine only learnt how to hold at 1yo.