Add all ingredients to the Instant Pot and stir to coat the chicken evenly.
Lock the lid and set the vent to SEALED.
Press MANUAL and cook for 15 minutes on HIGH pressure. (It will take about 10 minutes to come to pressure.)
When done, immediately release the pressure and remove the lid.
Transfer chicken to a bowl or cutting board and shred with two forks.
Stir the cooking juices back into the shredded chicken to keep it moist.
Store leftovers in an airtight container in the fridge for up to 4 days, or freeze for up to 3 months.
Thaw overnight in the fridge and reheat on the stovetop or in the microwave.