I don't think fortran is faster by language virtue, but it's certainly easier to scrap together high performance numeric fortran code. And ifort/aocc are amazing at making code that runs well on clusters, which is not a priority for any other domain. Fortran is absolutely still on top for modern numerics research code that involves clusters, talk to anyone who works in simulations at a national lab. If your code is mostly matrix math, modern fortran is very nice to work with.

Emphasis on modern because maintaining 70s-80s numeric mathematician cowboy code is a ninth circle of hell. It has a bad rep for that reason.