As of June 1st there are currently 16 vacant seats in the Federal Courts of Appeals

Circuit - Republican/Democrat/Vacancy

1st - 2 / 3 / 1

2nd - 5 / 8 / 0

3rd - 6 / 8 / 0

4th - 5 / 10 / 0

5th - 10 / 5 / 2

6th - 10 / 6 / 0

7th - 7 / 3 / 1

8th - 8 / 3 / 0

9th - 9 / 18 / 2

10th - 5 / 4 / 3 (nominations pending in Senate: 2)

11th - 4 / 6 / 2 (nominations pending in Senate: 1)

DC - 4 / 4 / 3 (President Obama will nominate three Tues, 10:15 am ET)

Federal - 5 / 5 / 2 (nominations pending in Senate: 2)


http://en.wikipedia.org/wiki/Judicial_appointment_history_for_United_States_federal_courts#Partisan_mix_of_the_circuit_courts

http://en.wikipedia.org/wiki/List_of_federal_judges_appointed_by_Barack_Obama


Note regarding the First Circuit:
Judge Michael Boudin took senior status on June 1, 2013 leaving one seat vacant - thus leaving the Democrats with the majority of ‘active’ judicial seats on the First Circuit.

Note:
The numbers up above do not include the semi-retired judges that continue to serve on senior status and hear cases from time to time.
Regarding only the senior status judges: 11 of the circuits have a Republican majority and 2 of the circuits have a Democratic majority.