G Minor Major 9th, 3rd inversion (F# in the bass)
Also written as Gm(maj9)/F#.
Notes, from the bass up
F# (bass)AGBbD
The same notes as G Minor Major 9th (F#, A, G, Bb and D), rearranged so F# is the lowest note. Use it to move between chords with smaller jumps across the keyboard.