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

$46.05 0.00 (0.00%)

As of 06/12/2026 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 (OLD) - 3.75 2028-04-30, and UMBS 30YR TBA(REG A) - 2.0 2026-07-13. The top 25 IUSB holdings ordered by weight make up 12.12% 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

Rank	Company	Current Price	Weight	Shares Held
1	BLK Liquidity Temp Cash Inst #21	N/A	4.27%	1,777,806,821
2	TREASURY NOTE (OLD) - 3.75 2028-04-30	N/A	0.40%	167,306,000
3	UMBS 30YR TBA(REG A) - 2.0 2026-07-13	N/A	0.39%	203,500,000
4	TREASURY NOTE - 4.0 2034-02-15	N/A	0.38%	160,867,000
5	TREASURY NOTE - 4.25 2035-08-15	N/A	0.36%	151,830,000
6	TREASURY NOTE - 4.38 2034-05-15	N/A	0.35%	146,568,000
7	TREASURY NOTE - 4.63 2035-02-15	N/A	0.35%	142,214,000
8	TREASURY NOTE - 4.25 2035-05-15	N/A	0.35%	146,655,000
9	TREASURY NOTE - 2.75 2032-08-15	N/A	0.34%	155,135,000
10	TREASURY NOTE (OLD) - 4.13 2036-02-15	N/A	0.34%	144,435,000
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11	TREASURY NOTE - 3.88 2034-08-15	N/A	0.33%	143,759,000
12	TREASURY NOTE - 4.25 2034-11-15	N/A	0.33%	141,176,000
13	TREASURY NOTE (2OLD) - 4.0 2035-11-15	N/A	0.33%	142,534,000
14	UMBS 30YR TBA(REG A) - 4.5 2026-07-13	N/A	0.33%	143,071,000
15	TREASURY NOTE - 4.0 2030-02-28	N/A	0.32%	133,632,000
16	TREASURY NOTE - 3.88 2028-06-15	N/A	0.30%	125,394,000
17	TREASURY NOTE - 3.88 2028-07-15	N/A	0.30%	125,394,000
18	TREASURY NOTE - 4.5 2033-11-15	N/A	0.30%	124,343,000
19	TREASURY NOTE - 3.63 2030-10-31	N/A	0.30%	127,696,000
20	TREASURY NOTE - 1.25 2031-08-15	N/A	0.30%	144,647,000
21	TREASURY NOTE - 3.5 2028-04-30	N/A	0.30%	125,223,000
22	TREASURY NOTE - 3.63 2030-09-30	N/A	0.29%	123,489,000
23	TREASURY NOTE (2OLD) - 3.88 2031-03-31	N/A	0.29%	121,897,000
24	TREASURY NOTE - 3.88 2033-08-15	N/A	0.29%	121,924,000
25	TREASURY NOTE - 3.63 2030-12-31	N/A	0.28%	118,541,000

IUSB Geographic Exposure

IUSB's largest geographic exposure is United States at 96.7%, followed by Argentina at 0.1%.

United States
96.7%
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 18.3%, followed by Government at 3.2%.

Financials
18.3%
Government
3.2%
Utilities
0.8%
Energy
0.7%
Industrials
0.6%
Health Care
0.6%
Communications
0.6%
Consumer Discretionary
0.5%
Consumer Staples
0.5%
Technology
0.4%
Other
0.6%

IUSB Industry Exposure

IUSB's largest industry exposure is Thrifts & Mortgage Finance at 16.0%, followed by Capital Markets at 0.8%.

Thrifts & Mortgage Finance
16.0%
Capital Markets
0.8%
Banks
0.7%
Utilities
0.6%
Oil, Gas & Consumable Fuels
0.6%
Diversified Telecommunication Services
0.3%
Insurance
0.3%
Biotechnology
0.3%
Specialty Retail
0.2%
Diversified Financial Services
0.2%
Other
2.1%

IUSB Sub-Industry Exposure

IUSB's largest sub-industry exposure is Thrifts & Mortgage Finance at 16.5%, followed by Diversified Banks at 0.6%.

Thrifts & Mortgage Finance
16.5%
Diversified Banks
0.6%
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
2.5%

IUSB Coupon Exposure

IUSB's largest coupon exposure is 4-6 at 44.5%, followed by 2-4 at 42.3%.

4-6
44.5%
2-4
42.3%
6-8
8.2%
0-2
3.3%
8-10
1.3%
10-15
0.3%

IUSB Maturity Exposure

IUSB's largest maturity exposure is 20-30 at 24.0%, followed by 5-10 at 23.2%.

20-30
24.0%
5-10
23.2%
3-5
18.9%
1-3
16.9%
10-15
5.3%
15-20
5.3%
0-1
3.4%
30+
2.3%

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This page (NASDAQ:IUSB) was last updated on 6/15/2026 by MarketBeat.com Staff.

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