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iShares Core Total USD Bond Market ETF (IUSB) Holdings List

iShares Core Total USD Bond Market ETF logo
$45.88 0.00 (0.00%)
As of 05/22/2026 04:00 PM Eastern

What stocks does IUSB hold?

The iShares Core Total USD Bond Market ETF (IUSB) top stock holdings include BLK Liquidity Temp Cash Inst #21, TREASURY NOTE - 4.25 2034-11-15, and TREASURY NOTE - 4.38 2034-05-15. The top 25 IUSB holdings ordered by weight make up 10.90% of the total fund. IUSB is a fixed income fund in the broad debt category that invests in investments, focused on broad debt strategies within the North America region. This page includes a complete IUSB stock holdings list ranked by weight, along with a full breakdown of sector, geographic, industry, and currency exposure.

Top 25 IUSB Holdings

RankCompanyCurrent PriceWeightShares Held
1BLK Liquidity Temp Cash Inst #21N/A2.89%1,072,529,646
2TREASURY NOTE - 4.25 2034-11-15N/A0.37%136,315,000
3TREASURY NOTE - 4.38 2034-05-15N/A0.37%133,145,000
4TREASURY NOTE (OLD) - 4.13 2036-02-15N/A0.37%138,201,000
5TREASURY NOTE - 4.0 2030-02-28N/A0.36%133,632,000
6TREASURY NOTE - 3.88 2034-08-15N/A0.36%137,805,000
7TREASURY NOTE - 4.25 2035-05-15N/A0.36%132,355,000
8TREASURY NOTE - 4.63 2035-02-15N/A0.36%129,675,000
9TREASURY NOTE - 4.0 2034-02-15N/A0.36%133,650,000
10TREASURY NOTE (2OLD) - 4.0 2035-11-15N/A0.35%133,008,000
11TREASURY NOTE - 4.5 2033-11-15N/A0.35%124,343,000
12TREASURY NOTE - 4.25 2035-08-15N/A0.35%128,813,000
13TREASURY NOTE - 3.63 2030-10-31N/A0.34%127,696,000
14TREASURY NOTE - 3.63 2030-09-30N/A0.33%123,489,000
15TREASURY NOTE (OLD) - 3.88 2031-03-31N/A0.33%121,897,000
16TREASURY NOTE - 3.88 2033-08-15N/A0.32%121,924,000
17TREASURY NOTE - 3.63 2030-12-31N/A0.32%118,541,000
18TREASURY NOTE - 3.88 2028-06-15N/A0.32%115,767,000
19TREASURY NOTE - 3.75 2028-05-15N/A0.31%114,955,000
20TREASURY NOTE - 3.75 2028-04-15N/A0.31%114,953,000
21FNMA 30YR UMBS - 2.0 2050-05-01N/A0.31%141,593,796
22TREASURY NOTE - 1.13 2031-02-15N/A0.31%130,548,000
23TREASURY NOTE - 3.88 2030-04-30N/A0.29%108,516,000
24TREASURY NOTE - 4.0 2030-03-31N/A0.28%104,948,000
25TREASURY NOTE (2OLD) - 3.5 2031-02-28N/A0.28%106,814,000

IUSB Geographic Exposure

IUSB's largest geographic exposure is United States at 95.3%, followed by Argentina at 0.1%.

  • United States
    95.3%
  • Argentina
    0.1%
  • QQ
    0.1%
  • United Kingdom
    0.1%
  • Germany
    0.1%
  • Canada
    0.1%

IUSB Currency Exposure

IUSB is predominantly exposed to USD at 100.0%, followed by EUR at 0.0%.

  • USD
    100.0%

IUSB Sector Exposure

IUSB's largest sector exposure is Financials at 19.1%, followed by Government at 3.6%.

  • Financials
    19.1%
  • Government
    3.6%
  • Utilities
    0.8%
  • Energy
    0.8%
  • Industrials
    0.6%
  • Health Care
    0.6%
  • Communications
    0.6%
  • Consumer Discretionary
    0.6%
  • Consumer Staples
    0.5%
  • Technology
    0.4%
  • Other
    0.6%

IUSB Industry Exposure

IUSB's largest industry exposure is Thrifts & Mortgage Finance at 17.0%, followed by Banks at 0.7%.

  • Thrifts & Mortgage Finance
    17.0%
  • Banks
    0.7%
  • Utilities
    0.6%
  • Oil, Gas & Consumable Fuels
    0.6%
  • Capital Markets
    0.5%
  • Diversified Telecommunication Services
    0.3%
  • Insurance
    0.3%
  • Biotechnology
    0.3%
  • Specialty Retail
    0.2%
  • Diversified Financial Services
    0.2%
  • Other
    2.3%

IUSB Sub-Industry Exposure

IUSB's largest sub-industry exposure is Thrifts & Mortgage Finance at 17.2%, followed by Diversified Banks at 0.7%.

  • Thrifts & Mortgage Finance
    17.2%
  • Diversified Banks
    0.7%
  • Electric Utilities
    0.4%
  • Investment Banking & Brokerage
    0.3%
  • Oil & Gas Storage & Transportation
    0.3%
  • Integrated Telecommunication Services
    0.2%
  • REIT
    0.2%
  • Biotechnology
    0.2%
  • Aerospace & Defense
    0.1%
  • Multi-Utilities
    0.1%
  • Other
    2.7%

IUSB Coupon Exposure

IUSB's largest coupon exposure is 4-6 at 43.7%, followed by 2-4 at 41.8%.

  • 4-6
    43.7%
  • 2-4
    41.8%
  • 6-8
    8.2%
  • 0-2
    4.7%
  • 8-10
    1.3%
  • 10-15
    0.3%

IUSB Maturity Exposure

IUSB's largest maturity exposure is 20-30 at 25.1%, followed by 5-10 at 22.6%.

  • 20-30
    25.1%
  • 5-10
    22.6%
  • 3-5
    18.9%
  • 1-3
    17.7%
  • 15-20
    5.2%
  • 10-15
    5.1%
  • 0-1
    2.3%
  • 30+
    2.0%

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This page (NASDAQ:IUSB) was last updated on 5/25/2026 by MarketBeat.com Staff.
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