MBB ETF Profile

Family:	Blackrock (iShares)
Name:	iShares MBS ETF

Inception Date:	13-Mar-2007
Termination Date:
Investment Objective:	The iShares Barclays MBS Bond Fund seeks investment results that correspond generally to the price and yield performance before fees and expenses of the investment grade agency mortgage-backed securities sector of the United States as defined by the Bloomberg U.S. MBS Index.

Prospectus

Top 10 Holdings
	Top 10 Holdings Weight:

Number of Holdings:
Shares Outstanding:	387,100,000
Total Net Assets:	35,984,810,000
NAV:	92.97
Net Expense Ratio:	0.04%

Asset Class:	Bonds
Developed or Emerging:	Developed Market Funds
Country:	US
Region:
Strategy:
Currency:
Commodity:
Sector:
Industry:
Dividend Type:
Tax Exempt State:
Maturity Duration:	Fund Holds All Maturity Ranges
Market Cap:
Credit Quality:	Investment Grade Only
Mortgage Bond Types:	RMBS
Bond Type:	Treasury & Government
Gov't Bond Types:	Agency Mortgage
Reit Type:
Leverage Direction/Factor:
Is Currency Hedged:	No
US or Ex-US:	Domestic