UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13 G
Under the Securities Exchange Act of 1934

Gladstone Capital Corp (GLAD)

(Name of Issuer)

Cumulative Preferred

(Title of Class of Securities)

376535506

(CUSIP Number)

September 30, 2017

(Date of Event which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
     Rule 13d-1(b)
     Rule 13d-1(c)
     Rule 13d-1(d)