NASDAQ:MBB iShares MBS ETF (MBB) Price, Holdings, & News $93.95 +0.30 (+0.32%) Closing price 04:00 PM EasternExtended Trading$93.96 +0.00 (+0.01%) As of 04:10 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Stock Analysis Stock AnalysisChartDividendHeadlinesHoldingsOptions ChainOwnershipShort InterestTrendsBuy This Stock About iShares MBS ETF (NASDAQ:MBB) 30 days 90 days 365 days Advanced Chart View Price History Chart DataSkip Price History Chart Get iShares MBS ETF alerts:Sign Up Key Stats Today's Range$93.71▼$94.0750-Day Range$92.46▼$94.3552-Week Range$90.28▼$96.76Volume2.44 million shsAverage Volume3.02 million shsMarket Capitalization$40.36 billionAssets Under Management$40.78 billionDividend Yield4.09%Net Expense Ratio0.04%Aggregate RatingN/A ETF Overview iShares MBS ETF (the Fund), formerly iShares Barclays MBS Bond Fund, is an exchange-traded fund (ETF). The Fund seeks investment results, which correspond to the price and yield performance of the Barclays Capital U.S. MBS Index (the Index). The Index measures the performance of investment grade mortgage-backed pass-through securities issued by the Government National Mortgage (GNMA). The Index measures the performance of investment grade mortgage-backed pass-through securities issued by the Government National Mortgage Association (GNMA), Federal National Mortgage Association (FNMA) and Federal Home Loan Mortgage Corporation (FHLMC). The Fund invests in a representative sample of securities included in the Index, which has an investment profile similar to the Index. The investment advisor of the Fund is BlackRock Fund Advisors (BFA). Read More iShares MBS ETF ExpensesTypeMBBAgency MBS ETFsFixed Income ETFsNASDAQ ETFsAll ETFsManagement Fee0.04%0.21%0.32%0.54%0.53%Other Expenses0.01%0.04%0.27%0.52%0.56%Total Expense0.05%0.24%0.40%0.73%0.73%Fee Waiver-0.01%-0.07%-0.26%-0.50%-0.63%Net Expense0.04%0.21%0.35%0.63%0.60% Receive MBB Stock News and Ratings via Email Sign-up to receive the latest news and ratings for iShares MBS ETF and its competitors with MarketBeat's FREE daily newsletter. 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MBB ETF News HeadlinesMBB: Not Great Compensation For Convexity RiskAugust 14, 2025 | seekingalpha.comiShares MBS ETF declares monthly distribution of $0.331855August 6, 2025 | msn.comWhat's the Best Way to Lower RMD Taxes?Turning 73 triggers a key IRS rule: you must begin taking required minimum distributions (RMDs) from certain retirement accounts. Without the right strategy, these withdrawals can significantly increase your tax bill and shrink your nest egg. SmartAsset outlines six strategies that could help reduce your RMDs and potentially lower your tax burden. Their free tool can match you with vetted fiduciary financial advisors in your area—professionals legally bound to act in your best interest.September 3 at 2:00 AM | SmartAsset (Ad)iShares MBS ETF declares monthly distribution of $0.3322July 2, 2025 | msn.comiShares MBS (MBB) Shares Cross Above 200 DMA - NasdaqJune 24, 2025 | nasdaq.comMBB: ETF Inflow AlertJune 22, 2025 | nasdaq.comSee More Headlines MBB ETF - Frequently Asked Questions How have MBB shares performed this year? iShares MBS ETF's stock was trading at $91.68 on January 1st, 2025. Since then, MBB shares have increased by 2.5% and is now trading at $93.9950. Who are iShares MBS ETF's major shareholders? iShares MBS ETF's top institutional shareholders include Bank of America Corp DE (14.97%), JPMorgan Chase & Co. (11.75%), Envestnet Asset Management Inc. (6.23%) and TIAA Trust National Association (5.58%). How do I buy shares of iShares MBS ETF? Shares of MBB stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services. What other stocks do shareholders of iShares MBS ETF own? Based on aggregate information from My MarketBeat watchlists, some other companies that iShares MBS ETF investors own include Meta Platforms (META), Walt Disney (DIS), Intel (INTC), iShares iBoxx $ Investment Grade Corporate Bond ETF (LQD), Mastercard (MA), Cisco Systems (CSCO) and iShares iBoxx $ High Yield Corporate Bond ETF (HYG). Fund Details IssueriShares Fund NameiShares MBS ETF Tax ClassificationRegulated Investment Company Stock ExchangeNASDAQCurrent SymbolNASDAQ:MBB Inception Date3/13/2007 Fund ManagerJames Mauro, Scott Radell Webwww.iShares.com Phone+1-800-4742737Fund Focus Asset ClassFixed Income BenchmarkBloomberg U.S. MBS Index CategoryU.S. Government FocusAgency MBS Development LevelDeveloped Markets RegionNorth America Number of Holdings11390 Fund Statistics Assets Under Management$40.78 billion Average Daily Volume$2.65 million Discount/Premium-0.09% Administrator, Advisor and Custodian AdministratorState Street Bank and Trust Company AdvisorBlackRock Fund Advisors CustodianState Street Bank and Trust Company DistributorBlackRock Investments, LLC Transfer AgentState Street Bank and Trust Company TrusteeN/A Lead Market MakerJane Street Options OptionableOptionable Options Volume17 Put Options14 Call Options3 Short Interest4,630,000 shs Miscellaneous Outstanding Shares429,600,000Beta0.11 Creation Unit100,000 Creation Fee$300.00 (Almost) Everything You Need To Know About The EV MarketLooking to profit from the electric vehicle mega-trend? Enter your email address and we'll send you our list of which EV stocks show the most long-term potential.Get This Free Report Top 10 MBB HoldingsBLACKROCK CASH CL INST SL AGENCYHolding Weight: 4.15%FHLMC 30YR UMBS SUPER - 2.0 2051-05-01Holding Weight: 1.02%GNMA2 30YR TBA(REG C) - 6.0 2025-08-20Holding Weight: 0.59%GNMA2 30YR - 2.0 2051-10-20Holding Weight: 0.55%GNMA2 30YR - 2.0 2051-12-20Holding Weight: 0.54%FNMA 30YR UMBS - 2.0 2051-12-01Holding Weight: 0.52%FHLMC 30YR UMBS SUPER - 2.0 2051-04-01Holding Weight: 0.50%GNMA2 30YR - 2.5 2051-07-20Holding Weight: 0.46%FNMA 30YR UMBS - 2.0 2051-11-01Holding Weight: 0.44%FNMA 30YR UMBS SUPER - 2.0 2051-07-01Holding Weight: 0.44%Full Holdings DetailsMBB Sector ExposureMBB Industry Exposure This page (NASDAQ:MBB) was last updated on 9/3/2025 by MarketBeat.com Staff From Our PartnersHow “Trump’s New Dollar” Could Impact Your WealthPresident Trump just signed a game-changing law… That could soon upgrade the U.S. dollar in your checking a...Brownstone Research | SponsoredForget Tesla — This Tiny AI Stock Is Musk’s Real PlayWhile Wall Street focused on Tesla’s earnings, Elon Musk was quietly building a supercomputer so powerful it c...Behind the Markets | SponsoredWhat's the Best Way to Lower RMD Taxes?Turning 73 triggers a key IRS rule: you must begin taking required minimum distributions (RMDs) from certain r...SmartAsset | SponsoredWhat Steve Bannon revealed about Trump’s gold playA Trump advisor just said 3 words that could reset the dollar. 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