This Phoebe vinyl figure is released by Funko in their POP! Movies x Ghostbusters: Afterlife vinyl figure series.
Funko POP! is a crossover vinyl figure series by Funko and other famous franchises such as Disney, Pixar, DC Comics, Marvel Comics, Simpsons, South Park, Uglydoll, etc. Each POP! figure is about ~3" to ~5" tall and crafted in a Japanese anime/manga super-deformed style (NOTE: due to the unique design of each character, the actual size of the figures may be smaller or bigger than stated).
The POP! Movies x Ghostbusters: Afterlife series features characters from the 2021 American supernatural comedy film that is the sequel to Ghostbusters (1984) and Ghostbusters II (1989), and the fourth film in the Ghostbusters franchise. Set thirty-two years after the events of Ghostbusters II, it follows a single mother and her children who move to an Oklahoma farm they inherited from her estranged father Egon Spengler, a member of the original Ghostbusters.