The cash machine was taken from the store in Carterton.
A vehicle was rammed into the Co-op at Shilton Park, Marigold Square, at around 1.30am (15/5)
Police say the incident involved 'a number of male offenders.'
An investigation is ongoing and Officers have yet to make any arrests.
Across Oxfordshire, branches of Aldi, Morrisons, Waitrose, Tesco and Co-op have been targeted in similar ram-raids this year.
Anyone with information about this morning's incident is urged to call 101 quoting reference 63 15/05/18.