How To Sound Like "Ant Brooks" - Basslines

I spend loads of time trying to emulate the stuff Ant Brooks is producing, but I just can’t ever get the right sound for the bassline.



I find it ok to copy the actual position of the notes in a bar, but it’s the sound design I just can’t get… ie. what wave shape, is there any filter envelope, portamento/glide



Any tips or a video would be hugely appreciated!



For example: