Fixed Income

MBB

iShares MBS ETF

Overview

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Performance

Performance

  • Returns

  1y 3y 5y 10y Incept.
0.11 2.23 1.73 3.79 3.75
Market Price (%) Market price return represents changes to the midpoint price and accounts for distributions from the fund. The midpoint is the average of the bid-ask prices at 4:00 PM ET (when NAV is normally determined for most funds). 0.05 2.21 1.70 3.78 3.75
Benchmark (%) Index: Bloomberg Barclays US Mortgage Backed Securities Index 0.30 2.44 1.96 4.13 4.11
After Tax Pre-Liq. (%) Return after taxes on distributions. Assumes fund shares have not been sold. -1.04 1.15 0.84 2.61 2.55
After Tax Post-Liq. (%) Return after taxes on distributions and sale of fund shares. 0.10 1.22 0.92 2.47 2.44
  YTD 1m 3m 6m 1y 3y 5y 10y Incept.
2.30 -0.23 0.96 1.87 0.11 6.84 8.93 45.04 47.53
Market Price (%) Market price return represents changes to the midpoint price and accounts for distributions from the fund. The midpoint is the average of the bid-ask prices at 4:00 PM ET (when NAV is normally determined for most funds). 2.39 -0.29 0.96 1.83 0.05 6.79 8.79 44.93 47.50
Benchmark (%) Index: Bloomberg Barclays US Mortgage Backed Securities Index 2.32 -0.22 0.96 1.84 0.30 7.49 10.22 49.95 52.91
After Tax Pre-Liq. (%) Return after taxes on distributions. Assumes fund shares have not been sold. 1.59 -0.31 0.70 1.32 -1.04 3.48 4.26 29.34 30.47
After Tax Post-Liq. (%) Return after taxes on distributions and sale of fund shares. 1.30 -0.13 0.54 1.05 0.10 3.69 4.68 27.66 28.93

The performance quoted represents past performance and does not guarantee future results. Investment return and principal value of an investment will fluctuate so that an investor’s shares, when sold or redeemed, may be worth more or less than the original cost. Current performance may be lower or higher than the performance quoted.

Growth of Hypothetical $10,000 The growth of hypothetical $10,000 chart reflects a hypothetical $10,000 investment and assumes reinvestment of dividends and capital gains. Fund expenses, including management fees and other expenses were deducted.

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Distributions

Ex-Date Total Distribution Income
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Premium/Discount

Key Facts

Key Facts

Net Assets as of Oct 17, 2017 $11,466,108,607
Inception Date Mar 13, 2007
Exchange NASDAQ
Asset Class Fixed Income
Bloomberg Index Ticker LUMSTRUU
Shares Outstanding as of Oct 17, 2017 107,100,000
CUSIP 464288588
Options Available Yes
Benchmark Index Bloomberg Barclays US Mortgage Backed Securities Index

Portfolio Characteristics

Portfolio Characteristics

This information must be preceded or accompanied by a current prospectus. For standardized performance, please see the Performance section above.

Fees

Fees

on Sep 30, 2017
Management Fee The Fund’s management fee is subject to breakpoints that are tied to aggregate assets under management across certain groups of iShares ETFs. Breakpoints take effect immediately after asset levels change. On any given day the management fee, and thus the Expense Ratio, may be higher or lower than what is shown in the Fund’s prospectus. For additional information on fees and expenses, please see the Fund’s prospectus. 0.09%
Acquired Fund Fees and Expenses Acquired Fund Fees and Expenses (“AFFE”) reflect the Fund's pro rata share of the indirect fees and expenses incurred by investing in one or more acquired funds, such as mutual funds, business development companies, or other pooled investment vehicles. AFFE are reflected in the prices of the acquired funds and thus included in the total returns of the Fund. 0.03%
Foreign Taxes and Other Expenses 0.00%
Expense Ratio The Expense Ratio reflects the Fund’s management fee, and any applicable acquired fund fees and expenses, and foreign taxes and other expenses, calculated on the date set forth above. On any given day these fees may be higher or lower than what is shown in the Fund's prospectus. 0.12%
Fee Waivers BlackRock Fund Advisors, the investment adviser to the Fund and an affiliate of BlackRock Investments, LLC, has contractually agreed to waive a portion of its management fees through Feb 28, 2023. Please see the Fund’s prospectus for additional details. 0.03%
Net Expense Ratio 0.09%

Holdings

Holdings

as of Oct 17, 2017
Issuer Weight (%)
FEDERAL NATIONAL MORTGAGE ASSOCIATION 42.61
FEDERAL HOME LOAN MORTGAGE CORPORATION - GOLD 26.97
GOVERNMENT NATIONAL MORTGAGE ASSOCIATION II 24.56
Issuer Weight (%)
GOVERNMENT NATIONAL MORTGAGE ASSOCIATION I 2.38
N/A Issuer Name 1.55
FEDERAL HOME LOAN MORTGAGE CORPORATION 0.59
ISIN Name Sector SEDOL Market Value Weight (%) Price Maturity Coupon (%) Duration Notional Value YTM (%) Yield to Call (%) Yield to Worst (%) Par Value
Most transactions in fixed-rate mortgage pass-through securities occur through the use of "to-be-announced" or "TBA" transactions. The Fund regularly enters into TBA agreements. The Fund invests cash pending settlement of any TBA transactions in money market instruments, repurchase agreements or other high-quality, liquid short-term instruments, including money market funds advised by BFA, which are not included in the holdings shown.

Name Asset Class Weight (%) Price Market Value Notional Value Sector SEDOL ISIN Coupon (%) Maturity YTM (%) Yield to Call (%) Yield to Worst (%) Duration Par Value
Most transactions in fixed-rate mortgage pass-through securities occur through the use of "to-be-announced" or "TBA" transactions. The Fund regularly enters into TBA agreements. The Fund invests cash pending settlement of any TBA transactions in money market instruments, repurchase agreements or other high-quality, liquid short-term instruments, including money market funds advised by BFA, which are not included in the holdings shown.

Holdings are subject to change.

Exposure Breakdowns

Exposure Breakdowns

as of Oct 17, 2017

% of Market Value

Type Fund
as of Oct 17, 2017

% of Market Value

Type Fund
The maturity breakdown above is based on Weighted Average Life (WAL). WAL is the average length of time to the repayment of principal for the securities in the fund. This metric considers the likelihood that bonds will be called or prepaid before the scheduled maturity date.

as of Oct 17, 2017

% of Market Value

Type Fund
Credit quality ratings on underlying securities of the fund are received from S&P, Moody’s and Fitch and converted to the equivalent S&P major rating category. This breakdown is provided by BlackRock and takes the median rating of the three agencies when all three agencies rate a security the lower of the two ratings if only two agencies rate a security and one rating if that is all that is provided. Unrated securities do not necessarily indicate low quality. Below investment-grade is represented by a rating of BB and below. Ratings and portfolio credit quality may change over time.
Allocations are subject to change.

Literature

Literature

 

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