Sport Pilot Talk

I just got a renewal quote from my insurance agent from a company I never heard of before - AXA Insurance. Their quote was a full 25% less than the quote from my current company - AIG. Does anybody know anything about AXA? Any ideas why they are so much cheaper? I'm an instrument rated PP flying as a Sport Pilot. Aircraft is a Tecnam Bravo.

Don't know about that specific company, but my broker mentioned there's new guys in town. In my case, there was only about a 15% difference and I stayed with my old company.