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iShares Core Total USD Bond Market ETF (IUSB) Holdings

iShares Core Total USD Bond Market ETF logo
$45.72 +0.02 (+0.04%)
Closing price 06/18/2025 04:00 PM Eastern
Extended Trading
$45.72 +0.01 (+0.01%)
As of 06/18/2025 06:51 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.
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Top 100 IUSB Holdings

RankCompanyCurrent PriceWeightShares Held
1BlackRock Liquidity Funds - TempCashN/A2.48%802,655,050
2United States Treasury Notes 4.375%N/A0.48%154,180,000
3United States Treasury Notes 4%N/A0.46%150,819,000
4United States Treasury Notes 4.5%N/A0.46%147,473,000
5United States Treasury Notes 3.875%N/A0.45%149,401,000
6United States Treasury Notes 4.25%N/A0.43%138,426,000
7United States Treasury Notes 4%N/A0.42%133,632,000
8United States Treasury Notes 4.625%N/A0.39%121,094,000
9Federal National Mortgage Association 2%N/A0.37%153,009,469
10United States Treasury Notes 3.875%N/A0.37%121,924,000
11United States Treasury Notes 4%N/A0.36%112,885,600
12United States Treasury Notes 0.75%N/A0.35%121,554,000
13United States Treasury Notes 3.875%N/A0.35%112,102,000
14United States Treasury Notes 2.75%N/A0.33%107,527,000
15United States Treasury Notes 3.875%N/A0.33%104,912,000
16United States Treasury Notes 1.25%N/A0.32%120,315,000
17United States Treasury Notes 1.375%N/A0.32%121,492,000
18United States Treasury Notes 3.375%N/A0.32%109,574,000
19United States Treasury Notes 3.75%N/A0.32%104,154,000
20United States Treasury Notes 4%N/A0.32%104,362,000
21United States Treasury Notes 4.25%N/A0.31%96,620,000
22United States Treasury Notes 3.5%N/A0.30%99,726,000
23United States Treasury Notes 4.625%N/A0.30%93,143,000
24United States Treasury Notes 1.875%N/A0.29%105,900,000
25United States Treasury Notes 4%N/A0.29%93,966,000
26United States Treasury Notes 4.125%N/A0.29%93,141,000
27United States Treasury Notes 4.5%N/A0.29%93,843,000
28United States Treasury Notes 3.75%N/A0.28%88,829,000
29United States Treasury Notes 4.125%N/A0.28%89,512,000
30United States Treasury Notes 3.875%N/A0.27%86,856,000
31United States Treasury Notes 3.875%N/A0.27%86,030,000
32United States Treasury Notes 4.25%N/A0.27%85,799,000
33United States Treasury Notes 1.5%N/A0.26%88,540,000
34United States Treasury Notes 4.375%N/A0.26%83,201,000
35United States Treasury Notes 3.5%N/A0.25%82,664,000
36United States Treasury Notes 4.5%N/A0.25%79,165,000
37United States Treasury Notes 4.625%N/A0.25%80,492,000
38United States Treasury Notes 4.625%N/A0.25%80,301,000
39United States Treasury Bonds 4.25%N/A0.24%84,212,000
40United States Treasury Notes 1.25%N/A0.24%83,116,600
New Rule Hits in July — The Smart Money Already Moved (Ad)

A little-known regulation quietly goes into effect this July. And it's already being exploited by Wall Street and the Big Banks… It gives them the green light to treat a certain tangible asset as equivalent to cold, hard cash. Not stocks. Not real estate. And definitely not the U.S. dollar. We're talking about something they don't want you to notice — because the fewer people who act on this, the better it is for them.

To help you get started, we're giving away a FREE Wealth Protection Guide that shows you exactly how
41United States Treasury Notes 2.875%N/A0.24%84,121,000
42United States Treasury Notes 3.25%N/A0.24%77,000,000
43United States Treasury Notes 3.5%N/A0.24%79,269,000
44United States Treasury Notes 4.375%N/A0.24%77,450,000
45United States Treasury Notes 4.5%N/A0.24%75,983,000
46United States Treasury Notes 4.625%N/A0.24%77,504,000
47United States Treasury Bonds 4.25%N/A0.23%83,156,000
48United States Treasury Bonds 4.625%N/A0.23%76,407,000
49United States Treasury Notes 1.5%N/A0.23%79,800,000
50United States Treasury Notes 2.75%N/A0.23%79,500,000
51United States Treasury Notes 2.875%N/A0.23%78,460,000
52United States Treasury Notes 4%N/A0.23%72,468,700
53United States Treasury Notes 4.5%N/A0.23%72,048,300
54Federal National Mortgage Association 2%N/A0.22%92,571,643
55United States Treasury Bonds 4.75%N/A0.22%73,462,000
56United States Treasury Notes 1.625%N/A0.22%81,310,000
57United States Treasury Notes 3.75%N/A0.22%70,599,000
58United States Treasury Notes 4.125%N/A0.22%70,953,000
59United States Treasury Notes 4.375%N/A0.22%68,618,000
60United States Treasury Notes 4.625%N/A0.22%67,691,000
61Government National Mortgage Association 2%N/A0.21%82,966,152
62United States Treasury Bonds 1.125%N/A0.21%113,535,000
63United States Treasury Notes 1.125%N/A0.21%72,400,000
64United States Treasury Notes 1.25%N/A0.21%71,400,000
65United States Treasury Notes 4%N/A0.21%68,858,000
66United States Treasury Notes 4.125%N/A0.21%67,881,000
67United States Treasury Notes 4.25%N/A0.21%67,184,800
68United States Treasury Notes 3.625%N/A0.20%64,804,000
69United States Treasury Notes 3.75%N/A0.20%63,555,900
70United States Treasury Notes 3.875%N/A0.20%64,912,000
71United States Treasury Notes 4.375%N/A0.20%61,463,000
72United States Treasury Bonds 4.125%N/A0.19%68,739,000
73United States Treasury Notes 2.875%N/A0.19%61,700,000
74United States Treasury Notes 3.375%N/A0.19%62,502,000
75United States Treasury Notes 4.875%N/A0.19%59,118,000
76United States Treasury Notes 2.75%N/A0.18%62,410,000
77United States Treasury Notes 3.125%N/A0.18%58,500,000
78United States Treasury Notes 4.125%N/A0.18%56,519,000
79United States Treasury Notes 4.25%N/A0.18%55,647,000
80United States Treasury Notes 4.25%N/A0.18%57,711,000
81United States Treasury Notes 4.625%N/A0.18%55,395,000
82United States Treasury Bonds 2.875%N/A0.17%79,000,000
83United States Treasury Notes 1.25%N/A0.17%57,310,200
84United States Treasury Notes 3.625%N/A0.17%56,503,000
85United States Treasury Notes 3.875%N/A0.17%55,947,000
86United States Treasury Notes 3.875%N/A0.17%53,516,000
87United States Treasury Notes 4.125%N/A0.17%55,218,500
88United States Treasury Notes 4.625%N/A0.17%54,031,000
89United States Treasury Bonds 1.75%N/A0.16%80,020,000
90United States Treasury Bonds 2%N/A0.16%75,631,000
New Rule Hits in July — The Smart Money Already Moved (Ad)

A little-known regulation quietly goes into effect this July. And it's already being exploited by Wall Street and the Big Banks… It gives them the green light to treat a certain tangible asset as equivalent to cold, hard cash. Not stocks. Not real estate. And definitely not the U.S. dollar. We're talking about something they don't want you to notice — because the fewer people who act on this, the better it is for them.

To help you get started, we're giving away a FREE Wealth Protection Guide that shows you exactly how
91United States Treasury Bonds 3.625%N/A0.16%64,567,000
92United States Treasury Bonds 4.5%N/A0.16%54,703,000
93United States Treasury Bonds 4.625%N/A0.16%54,754,000
94United States Treasury Bonds 4.625%N/A0.16%53,721,000
95United States Treasury Bonds 4.75%N/A0.16%53,324,000
96United States Treasury Notes 0.75%N/A0.16%53,700,000
97United States Treasury Notes 0.875%N/A0.16%52,000,000
98United States Treasury Notes 1.125%N/A0.16%54,000,000
99United States Treasury Notes 3.5%N/A0.16%52,934,000
100United States Treasury Notes 3.625%N/A0.16%52,965,000

Geographic Exposure

  • United States
    94.2%
  • QQ
    0.1%
  • Germany
    0.1%
  • Canada
    0.1%
  • United Kingdom
    0.1%
  • Argentina
    0.1%

Currency Exposure

  • USD
    100.0%

Sector Exposure

  • Financials
    22.4%
  • Government
    4.9%
  • Utilities
    0.9%
  • Energy
    0.9%
  • Communications
    0.8%
  • Industrials
    0.7%
  • Health Care
    0.7%
  • Consumer Discretionary
    0.7%
  • Consumer Staples
    0.5%
  • Technology
    0.5%
  • Materials
    0.4%
  • US Municipal
    0.2%
  • Capital Markets
    0.2%
  • Real Estate
    0.1%

Industry Exposure

  • Thrifts & Mortgage Finance
    20.0%
  • Banks
    1.0%
  • Oil, Gas & Consumable Fuels
    0.7%
  • Capital Markets
    0.7%
  • Utilities
    0.7%
  • Diversified Telecommunication Services
    0.3%
  • Insurance
    0.3%
  • Biotechnology
    0.3%
  • Media
    0.2%
  • Diversified Financial Services
    0.2%
  • Specialty Retail
    0.2%
  • Health Care Providers & Services
    0.2%
  • Hotels, Restaurants & Leisure
    0.2%
  • Software
    0.2%
  • Real Estate Management & Development
    0.2%
  • Beverages
    0.2%
  • Chemicals
    0.1%
  • Transportation Infrastructure
    0.1%
  • Aerospace & Defense
    0.1%
  • Communications Equipment
    0.1%
  • Metals & Mining
    0.1%
  • Health Care Equipment & Supplies
    0.1%
  • Equity Real Estate Investment
    0.1%
  • IT Services
    0.1%
  • Automobiles
    0.1%
  • Semiconductors & Semiconductor Equipment
    0.1%
  • Air Freight & Logistics
    0.1%
  • States & Territories
    0.1%
  • Tobacco
    0.1%
  • Food Products
    0.1%
  • Commercial Services & Supplies
    0.1%
  • Consumer Finance
    0.1%
  • Internet & Direct Marketing Retail
    0.1%
  • Consumer Products
    0.1%
  • Electrical Equipment
    0.1%
  • Machinery
    0.1%
  • Electric Utilities
    0.1%
  • Entertainment
    0.1%

SubIndustry Exposure

  • Thrifts & Mortgage Finance
    20.3%
  • Diversified Banks
    0.9%
  • Investment Banking & Brokerage
    0.5%
  • Electric Utilities
    0.4%
  • Oil & Gas Storage & Transportation
    0.3%
  • REIT
    0.3%
  • Integrated Telecommunication Services
    0.3%
  • Biotechnology
    0.2%
  • Aerospace & Defense
    0.2%
  • Cable & Satellite
    0.2%
  • Communications Equipment
    0.1%
  • Multi-Utilities
    0.1%
  • Pharmaceuticals
    0.1%
  • Systems Software
    0.1%
  • Life & Health Insurance
    0.1%
  • Integrated Oil & Gas
    0.1%
  • Oil & Gas Exploration & Production
    0.1%
  • Brewers
    0.1%
  • Packaged Foods & Meats
    0.1%
  • Wireless Telecommunication Services
    0.1%
  • Managed Health Care
    0.1%
  • Health Care Services
    0.1%
  • Tobacco
    0.1%
  • Oil & Gas Refining & Marketing
    0.1%
  • Hospitals
    0.1%
  • States & Territories
    0.1%
  • Railroads
    0.1%
  • Property & Casualty Insurance
    0.1%
  • Multi-Sector Holdings
    0.1%
  • Health Care Equipment
    0.1%
  • Semiconductors
    0.1%
  • Internet & Direct Marketing Retail
    0.1%
  • Consumer Finance
    0.1%
  • Industrial Conglomerates
    0.1%
  • Utility Districts
    0.1%
  • Home Improvement Retail
    0.1%
  • Restaurants
    0.1%
  • Oil & Gas Equipment & Services
    0.1%
  • Automobile Manufacturers
    0.1%
  • Data Processing & Outsourced Services
    0.1%
  • Specialty Chemicals
    0.1%
  • Air Freight & Logistics
    0.1%
  • Trading Companies & Distributors
    0.1%

Coupon Exposure

  • 4-6
    44.5%
  • 2-4
    37.7%
  • 0-2
    8.4%
  • 6-8
    7.9%
  • 8-10
    1.3%
  • 10-15
    0.3%

Maturity Exposure

  • 20-30
    26.4%
  • 5-10
    23.3%
  • 3-5
    19.2%
  • 1-3
    16.6%
  • 10-15
    5.3%
  • 15-20
    4.9%
  • 30+
    2.2%
  • 0-1
    1.6%

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This page (NASDAQ:IUSB) was last updated on 6/19/2025 by MarketBeat.com Staff
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