MUNIYIELD INSURED FUND, INC.

FILE # 811-6540

ATTACHMENT 77O

TRADE DATE	DESCRIPTION OF SECURITY	ISSUE SIZE	AMOUNT PURCHASED	MEMBER OF UNDERWRITING SYNDICATE FROM WHOM FUND PURCHASED
11/14/2003	Rhode Island Eco Dev 5.25% 6/15/13	216,805,000	8,000,000	Citigroup
11/19/2003	California State Public Works 5% 6/1/24	424,920,000	3,175,000	Siebert Branford
11/20/2003	Tobacco Settlement Fin Corp 5.5% 6/1/17 & 21	2,013,900,000	14,400,000	JP Morgan
12/05/2003	Fulton Dekalb Hospital	258,400,000	3,100,000	Citigroup
02/20/2004	California State GO 5% 2/1/33	2,000,000,000	8,000,000	Goldman Sachs
02/26/2004	Metropolitan Transportation Auth NY 5.25% 11/15/15	250,000,000	5,000,000	JP Morgan
03/04/2004	Commonwealth of Massachusetts Series B 5% 8/1/23 or 24	1,074,895,000	10,000,000	Lehman
04/01/2004	Miami Dade Co. Aviation 5% 10/1/30	400,000,000	6,000,000	Ramirez
04/01/2004	South Carolina Pub Svc 5%	452,505,000	10,000,000	Citigroup
04/21/2004	Regents of the Univ of Calif. Hospital 5.25% 5/15/30	256,165,000	9,000,000	Citigroup
04/22/2004	Alameda Corridor Trans Auth 10/1/24 -25	686,024,089	10,000,000	Goldman Sachs
04/23/2004	Metropolitan Washington Airport 5% 10/01/27	347,730,000	13,000,000	Lehman
04/28/2004	Connecticut State G.O. 5% 4/1/24	300,000,000	2,500,000	Bear Stearns