iShares Core Total USD Bond Market ETF (IUSB) Holdings $46.12 -0.09 (-0.19%) Closing price 04:00 PM EasternExtended Trading$45.92 -0.20 (-0.43%) As of 04:16 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 Holdings Stock AnalysisChartDividendHoldingsOptions ChainOwnershipShort InterestTrendsBuy This Stock Top 25 IUSB HoldingsRankCompanyCurrent PriceWeightShares Held1BLK Liquidity Temp Cash Inst #21N/A2.25%742,344,3692TREASURY NOTE - 4.38 2034-05-15N/A0.47%154,180,0003TREASURY NOTE - 4.0 2034-02-15N/A0.46%150,819,0004TREASURY NOTE - 4.5 2033-11-15N/A0.46%147,473,0005TREASURY NOTE - 3.88 2034-08-15N/A0.44%149,401,0006TREASURY NOTE (2OLD) - 4.25 2034-11-15N/A0.42%138,426,0007TREASURY NOTE - 4.0 2030-02-28N/A0.41%133,632,0008TREASURY NOTE - 2.75 2027-04-30N/A0.40%134,490,0009TREASURY NOTE (OLD) - 4.63 2035-02-15N/A0.38%121,094,00010TREASURY NOTE - 3.88 2033-08-15N/A0.37%121,924,000 Get the Latest News and Ratings for IUSB and Related StocksEnter your email address below to receive the latest news and analysts' ratings for iShares Core Total USD Bond Market ETF and its competitors with MarketBeat's FREE daily newsletter. 11FNMA 30YR UMBS - 2.0 2050-05-01N/A0.36%150,759,24912TREASURY NOTE (OLD) - 3.88 2027-05-31N/A0.36%119,322,00013TREASURY NOTE - 0.75 2028-01-31N/A0.34%121,554,00014TREASURY NOTE - 4.0 2027-12-15N/A0.34%112,885,60015TREASURY NOTE - 3.38 2033-05-15N/A0.32%109,574,00016TREASURY NOTE - 3.75 2026-08-31N/A0.32%104,154,00017TREASURY NOTE - 3.88 2029-12-31N/A0.32%104,912,00018TREASURY NOTE - 4.0 2029-10-31N/A0.32%104,362,00019TREASURY NOTE - 1.25 2031-08-15N/A0.31%120,315,00020TREASURY NOTE - 1.38 2031-11-15N/A0.31%119,845,00021TREASURY NOTE - 4.25 2030-01-31N/A0.30%96,620,00022TREASURY NOTE - 3.5 2033-02-15N/A0.29%99,726,00023TREASURY NOTE - 4.5 2027-04-15N/A0.29%93,843,00024TREASURY NOTE - 4.63 2027-06-15N/A0.29%93,143,00025TREASURY NOTE (OLD) - 4.0 2030-05-31N/A0.29%96,166,000 Geographic ExposureUnited States95.1%QQ0.1%Germany0.1%Canada0.1%United Kingdom0.1%Argentina0.1%Currency ExposureUSD100.0%Sector ExposureFinancials21.9%Government4.7%Utilities0.9%Energy0.9%Communications0.7%Industrials0.7%Health Care0.7%Consumer Discretionary0.6%Consumer Staples0.5%Technology0.5%Materials0.4%US Municipal0.2%Capital Markets0.2%Real Estate0.1%Industry ExposureThrifts & Mortgage Finance19.4%Banks0.9%Oil, Gas & Consumable Fuels0.7%Utilities0.7%Diversified Financial Services0.7%Capital Markets0.4%Diversified Telecommunication Services0.3%Insurance0.3%Biotechnology0.3%Media0.2%Specialty Retail0.2%Health Care Providers & Services0.2%Hotels, Restaurants & Leisure0.2%Software0.2%Real Estate Management & Development0.1%Transportation Infrastructure0.1%Chemicals0.1%Beverages0.1%Aerospace & Defense0.1%Communications Equipment0.1%Metals & Mining0.1%Health Care Equipment & Supplies0.1%IT Services0.1%Equity Real Estate Investment0.1%Automobiles0.1%Semiconductors & Semiconductor Equipment0.1%States & Territories0.1%Air Freight & Logistics0.1%Tobacco0.1%Food Products0.1%Consumer Products0.1%Electrical Equipment0.1%Commercial Services & Supplies0.1%Internet & Direct Marketing Retail0.1%Electric Utilities0.1%Machinery0.1%Consumer Finance0.1%Entertainment0.1%SubIndustry ExposureThrifts & Mortgage Finance19.8%Diversified Banks0.8%Investment Banking & Brokerage0.4%Electric Utilities0.4%Oil & Gas Storage & Transportation0.3%REIT0.2%Integrated Telecommunication Services0.2%Biotechnology0.2%Aerospace & Defense0.2%Cable & Satellite0.2%Communications Equipment0.1%Multi-Utilities0.1%Pharmaceuticals0.1%Systems Software0.1%Life & Health Insurance0.1%Integrated Oil & Gas0.1%Oil & Gas Exploration & Production0.1%Packaged Foods & Meats0.1%Brewers0.1%Managed Health Care0.1%Oil & Gas Refining & Marketing0.1%Tobacco0.1%States & Territories0.1%Wireless Telecommunication Services0.1%Health Care Services0.1%Hospitals0.1%Property & Casualty Insurance0.1%Railroads0.1%Multi-Sector Holdings0.1%Semiconductors0.1%Health Care Equipment0.1%Internet & Direct Marketing Retail0.1%Industrial Conglomerates0.1%Utility Districts0.1%Home Improvement Retail0.1%Consumer Finance0.1%Oil & Gas Equipment & Services0.1%Restaurants0.1%Automobile Manufacturers0.1%Specialty Chemicals0.1%Air Freight & Logistics0.1%Trading Companies & Distributors0.1%Data Processing & Outsourced Services0.1%Coupon Exposure4-645.5%2-437.7%6-88.1%0-27.1%8-101.3%10-150.3%Maturity Exposure20-3026.4%5-1024.0%3-519.5%1-315.0%10-155.6%15-204.9%30+2.5%0-11.7% Related Companies and Tools Related Companies FIXD Portfolio Companies VPLS Portfolio Companies WBND Portfolio Companies This page (NASDAQ:IUSB) was last updated on 8/8/2025 by MarketBeat.com Staff From Our PartnersHIDDEN IN THE BOOK OF GENESIS…“This land I will give to you…” — a 4,000-year-old line from Genesis may hold the key to unlocking a $150 tril...Paradigm Press | SponsoredBREAKING: The House just passed 3 pro-crypto bills!THREE pro-crypto bills just passed the House! 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