I'm thinking you haven't had it long. A lot of wick in the ports to stop leaking? It's temperamental to wick. I'm sure you've looked at reviews on wicking it.
With kinda snug inside but not tight inside the coil, here's what I do:
Thin the tails quite a bit without pulling it out of the coil.
Trim so that it is jus tbarely short of touching the bottom of the ports.
Trim the sides a little so I don't have much to tuck into the wicking channel.
Juice the coil and wick.
Manicure the wick into the channels.
Once in the channels, I bridge the channel with flat side of tweezers for 2 reasons. It flattens the wick out of the way of threading the top on, because any little caught thread will move it...and I can gauge the thickness of the cotton in the channel. If it compresses cotton, it's too thick, if it's just juicy thats good.
In the pic it's barely touching bottom because it swells when wet and some of what we see is juice.. If it's very close but not touching after wet, still should be ok. Note how it's all inside the Y.
View attachment 139432
Hope that helps. Should get rid of dry/anemic hits, but if not enough cotton it will leak. Learning curve on this one.