Good tune - the only thing that came to mind was that the vocal sounds a little "cloudy" here and there.
Other than that I just sat back and enjoyed the performance especially the vocal + harmonies.
The panning feels a little wide throughout. It's especially pronounced on the big "aaahs" at 2:23. It sounds like you're going for a big, haunting room, but because they're so hard-panned, it doesn't sound like a real space.
Once things get heavy, one of the syths seems to have a sparkly, glitchy distortion on it. Is this intentional?
Otherwise, everything seems to fit with each other and be balanced.