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

$46.03 +0.08 (+0.17%)

As of 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 10.72% 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	2.75%	1,003,700,276
2	TREASURY NOTE - 4.25 2034-11-15	N/A	0.38%	136,315,000
3	TREASURY NOTE - 4.38 2034-05-15	N/A	0.38%	133,145,000
4	TREASURY NOTE - 3.88 2034-08-15	N/A	0.37%	137,805,000
5	TREASURY NOTE - 4.0 2030-02-28	N/A	0.37%	133,632,000
6	TREASURY NOTE - 4.25 2035-05-15	N/A	0.37%	132,355,000
7	TREASURY NOTE - 4.0 2034-02-15	N/A	0.36%	133,650,000
8	TREASURY NOTE - 4.63 2035-02-15	N/A	0.36%	127,559,000
9	TREASURY NOTE - 4.5 2033-11-15	N/A	0.35%	124,343,000
10	TREASURY NOTE - 3.63 2030-10-31	N/A	0.35%	127,696,000
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11	TREASURY NOTE (2OLD) - 4.25 2035-08-15	N/A	0.35%	126,210,000
12	TREASURY NOTE (OLD) - 4.0 2035-11-15	N/A	0.34%	125,254,000
13	TREASURY NOTE - 3.63 2030-09-30	N/A	0.33%	123,489,000
14	TREASURY NOTE - 3.88 2033-08-15	N/A	0.33%	121,924,000
15	TREASURY NOTE - 3.63 2030-12-31	N/A	0.32%	118,541,000
16	TREASURY NOTE - 3.75 2028-05-15	N/A	0.32%	114,955,000
17	FNMA 30YR UMBS - 2.0 2050-05-01	N/A	0.32%	142,723,385
18	TREASURY NOTE - 1.13 2031-02-15	N/A	0.31%	130,548,000
19	TREASURY NOTE - 3.75 2028-04-15	N/A	0.31%	114,953,000
20	TREASURY NOTE - 3.88 2030-04-30	N/A	0.30%	108,516,000
21	TREASURY NOTE (OTR) - 4.13 2036-02-15	N/A	0.29%	107,098,000
22	TREASURY NOTE - 4.0 2030-03-31	N/A	0.29%	104,948,000
23	TREASURY NOTE (OLD) - 3.5 2031-02-28	N/A	0.29%	106,814,000
24	TREASURY NOTE (2OLD) - 3.75 2031-01-31	N/A	0.29%	105,150,000
25	TREASURY NOTE - 3.63 2030-08-31	N/A	0.29%	105,488,000

IUSB Geographic Exposure

IUSB's largest geographic exposure is United States at 95.5%, followed by Argentina at 0.1%.

United States
95.5%
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 19.6%, followed by Government at 3.7%.

Financials
19.6%
Government
3.7%
Utilities
0.9%
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 17.6%, followed by Banks at 0.7%.

Thrifts & Mortgage Finance
17.6%
Banks
0.7%
Utilities
0.6%
Oil, Gas & Consumable Fuels
0.6%
Capital Markets
0.4%
Diversified Telecommunication Services
0.3%
Insurance
0.3%
Biotechnology
0.3%
Specialty Retail
0.2%
Diversified Financial Services
0.2%
Other
2.4%

IUSB Sub-Industry Exposure

IUSB's largest sub-industry exposure is Thrifts & Mortgage Finance at 17.7%, followed by Diversified Banks at 0.7%.

Thrifts & Mortgage Finance
17.7%
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
2.8%

IUSB Coupon Exposure

IUSB's largest coupon exposure is 4-6 at 43.7%, followed by 2-4 at 42.0%.

4-6
43.7%
2-4
42.0%
6-8
8.3%
0-2
4.4%
8-10
1.3%
10-15
0.3%

IUSB Maturity Exposure

IUSB's largest maturity exposure is 20-30 at 25.7%, followed by 5-10 at 22.5%.

20-30
25.7%
5-10
22.5%
3-5
18.9%
1-3
17.7%
15-20
5.3%
10-15
5.1%
0-1
2.2%
30+
1.9%

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

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