B 13sus4, 2nd inversion (F# in the bass)
Also written as B13sus4/F#.
Notes, from the bass up
F# (bass)AC#G#BE
The same notes as B 13sus4 (F#, A, C#, G#, B and E), rearranged so F# is the lowest note. Use it to move between chords with smaller jumps across the keyboard.