2 species have Pickup as a hidden ability, 17 as a normal one

Effect, in PokéAPI's words

“Picks up other Pokémon's used and Flung held items. May also pick up an item after battle.”

As a hidden ability

Species	Slot	Note
Pikipek	Hidden
Trumbeak	Hidden

As a normal ability

Species	Slot	Note
Meowth	Normal
Aipom	Normal
Teddiursa	Normal
Phanpy	Normal
Zigzagoon	Normal
Linoone	Normal
Pachirisu	Normal
Ambipom	Normal
Munchlax	Normal
Lillipup	Normal
Bunnelby	Normal
Diggersby	Normal
Dedenne	Normal
Pumpkaboo	Normal
Gourgeist	Normal
Tandemaus	Normal
Greavard	Normal

Elsewhere in PokéAPI

11 more holders without a page here

Alternate forms and other species that PokéAPI lists with Pickup.

Pumpkaboo Small, Pumpkaboo Large, Pumpkaboo Super, Gourgeist Small, Gourgeist Large, Gourgeist Super, Meowth Alola, Meowth Galar, Zigzagoon Galar, Linoone Galar, Meowth Gmax