iShares Core Total USD Bond Market ETF

Fund Profile

Fund profile

Tickers

IUSB

Fund manager

iShares MBS ETF

Total assets

$34.94 bn

Liabilities

$1.74 bn

Net assets

$33.20 bn

Number of holdings

16.76 k

IUSB stock data

1M 3M 6M 1Y

Top 200 of 16755 Holdings

As of Oct 2024

Security	$Holding	Balance	% of Fund	Category	Position	Country
TempCash, Institutional Class	1.34 bn	1.34 bn shares	4.04	Short-term investment vehicle	Long	USA
BlackRock Cash Funds: Treasury, SL Agency Shares	409.77 mm	409.77 mm shares	1.23	Short-term investment vehicle	Long	USA
U.S. Treasury Notes	190.94 mm	195.11 mm principal	0.58	Debt	Long	USA
U.S. Treasury Notes	183.07 mm	181.73 mm principal	0.55	Debt	Long	USA
U.S. Treasury Notes	172.17 mm	169.31 mm principal	0.52	Debt	Long	USA
U.S. Treasury Notes	161.00 mm	161.10 mm principal	0.48	Debt	Long	USA
U.S. Treasury Notes	157.04 mm	158.23 mm principal	0.47	Debt	Long	USA
U.S. Treasury Notes	140.69 mm	140.26 mm principal	0.42	Debt	Long	USA
U.S. Treasury Notes	133.53 mm	138.01 mm principal	0.40	Debt	Long	USA
U.S. Treasury Notes	129.46 mm	130.75 mm principal	0.39	Debt	Long	USA
Uniform Mortgage-Backed Securities	127.65 mm	159.35 mm principal	0.38	ABS-mortgage backed security	Long	USA
U.S. Treasury Notes	125.86 mm	124.33 mm principal	0.38	Debt	Long	USA
U.S. Treasury Notes	123.33 mm	137.40 mm principal	0.37	Debt	Long	USA
U.S. Treasury Notes	121.81 mm	127.80 mm principal	0.37	Debt	Long	USA
U.S. Treasury Notes	120.07 mm	124.10 mm principal	0.36	Debt	Long	USA
U.S. Treasury Notes	118.42 mm	121.92 mm principal	0.36	Debt	Long	USA
U.S. Treasury Notes	116.79 mm	124.66 mm principal	0.35	Debt	Long	USA
U.S. Treasury Notes	113.02 mm	114.59 mm principal	0.34	Debt	Long	USA
U.S. Treasury Notes	108.33 mm	107.66 mm principal	0.33	Debt	Long	USA
U.S. Treasury Notes	104.93 mm	126.85 mm principal	0.32	Debt	Long	USA
U.S. Treasury Notes	102.97 mm	124.70 mm principal	0.31	Debt	Long	USA
U.S. Treasury Bonds	101.48 mm	99.17 mm principal	0.31	Debt	Long	USA
U.S. Treasury Notes	101.45 mm	100.57 mm principal	0.31	Debt	Long	USA
U.S. Treasury Notes	101.01 mm	100.17 mm principal	0.30	Debt	Long	USA
U.S. Treasury Notes	94.58 mm	94.87 mm principal	0.28	Debt	Long	USA
U.S. Treasury Notes	92.01 mm	91.76 mm principal	0.28	Debt	Long	USA
U.S. Treasury Notes	91.79 mm	96.89 mm principal	0.28	Debt	Long	USA
U.S. Treasury Notes	90.75 mm	90.80 mm principal	0.27	Debt	Long	USA
U.S. Treasury Notes	90.28 mm	105.90 mm principal	0.27	Debt	Long	USA
U.S. Treasury Notes	88.96 mm	89.23 mm principal	0.27	Debt	Long	USA
U.S. Treasury Bonds	88.01 mm	91.54 mm principal	0.27	Debt	Long	USA
U.S. Treasury Notes	84.22 mm	88.50 mm principal	0.25	Debt	Long	USA
U.S. Treasury Notes	83.78 mm	84.41 mm principal	0.25	Debt	Long	USA
U.S. Treasury Notes	83.58 mm	83.20 mm principal	0.25	Debt	Long	USA
U.S. Treasury Notes	83.56 mm	88.54 mm principal	0.25	Debt	Long	USA
U.S. Treasury Notes	81.14 mm	80.49 mm principal	0.24	Debt	Long	USA
U.S. Treasury Notes	81.09 mm	81.20 mm principal	0.24	Debt	Long	USA
U.S. Treasury Notes	80.60 mm	79.89 mm principal	0.24	Debt	Long	USA
U.S. Treasury Bonds	79.53 mm	79.14 mm principal	0.24	Debt	Long	USA
Uniform Mortgage-Backed Securities	79.46 mm	86.02 mm principal	0.24	ABS-mortgage backed security	Long	USA
U.S. Treasury Notes	78.99 mm	79.59 mm principal	0.24	Debt	Long	USA
U.S. Treasury Notes	78.17 mm	77.50 mm principal	0.24	Debt	Long	USA
U.S. Treasury Notes	78.15 mm	77.87 mm principal	0.24	Debt	Long	USA
U.S. Treasury Notes	77.70 mm	77.45 mm principal	0.23	Debt	Long	USA
U.S. Treasury Notes	77.49 mm	76.38 mm principal	0.23	Debt	Long	USA
U.S. Treasury Bonds	77.49 mm	78.33 mm principal	0.23	Debt	Long	USA
U.S. Treasury Notes	77.05 mm	75.61 mm principal	0.23	Debt	Long	USA
U.S. Treasury Bonds	76.60 mm	73.46 mm principal	0.23	Debt	Long	USA
U.S. Treasury Notes	76.36 mm	75.98 mm principal	0.23	Debt	Long	USA
U.S. Treasury Notes	76.14 mm	77.88 mm principal	0.23	Debt	Long	USA
Uniform Mortgage-Backed Securities	76.04 mm	95.75 mm principal	0.23	ABS-mortgage backed security	Long	USA
Uniform Mortgage-Backed Securities	76.01 mm	88.30 mm principal	0.23	ABS-mortgage backed security	Long	USA
U.S. Treasury Notes	75.96 mm	75.97 mm principal	0.23	Debt	Long	USA
U.S. Treasury Bonds	75.42 mm	73.68 mm principal	0.23	Debt	Long	USA
U.S. Treasury Notes	74.34 mm	78.46 mm principal	0.22	Debt	Long	USA
U.S. Treasury Bonds	74.34 mm	81.50 mm principal	0.22	Debt	Long	USA
U.S. Treasury Notes	74.26 mm	82.90 mm principal	0.22	Debt	Long	USA
U.S. Treasury Notes	74.13 mm	75.04 mm principal	0.22	Debt	Long	USA
U.S. Treasury Notes	73.99 mm	73.72 mm principal	0.22	Debt	Long	USA
U.S. Treasury Notes	73.79 mm	74.27 mm principal	0.22	Debt	Long	USA
U.S. Treasury Bonds	72.75 mm	116.60 mm principal	0.22	Debt	Long	USA
U.S. Treasury Notes	72.26 mm	72.90 mm principal	0.22	Debt	Long	USA
U.S. Treasury Notes	71.89 mm	79.80 mm principal	0.22	Debt	Long	USA
U.S. Treasury Notes	71.65 mm	79.50 mm principal	0.22	Debt	Long	USA
Government National Mortgage Association	71.32 mm	87.27 mm principal	0.21	ABS-mortgage backed security	Long	USA
U.S. Treasury Notes	70.85 mm	70.95 mm principal	0.21	Debt	Long	USA
Uniform Mortgage-Backed Securities	70.50 mm	85.23 mm principal	0.21	ABS-mortgage backed security	Long	USA
U.S. Treasury Notes	69.34 mm	81.31 mm principal	0.21	Debt	Long	USA
Uniform Mortgage-Backed Securities	69.18 mm	86.98 mm principal	0.21	ABS-mortgage backed security	Long	USA
U.S. Treasury Notes	68.79 mm	69.23 mm principal	0.21	Debt	Long	USA
U.S. Treasury Notes	68.04 mm	74.60 mm principal	0.20	Debt	Long	USA
U.S. Treasury Notes	66.61 mm	66.10 mm principal	0.20	Debt	Long	USA
U.S. Treasury Notes	65.65 mm	72.40 mm principal	0.20	Debt	Long	USA
Uniform Mortgage-Backed Securities	64.88 mm	65.50 mm principal	0.20	ABS-mortgage backed security	Long	USA
U.S. Treasury Bonds	64.59 mm	68.74 mm principal	0.19	Debt	Long	USA
U.S. Treasury Notes	64.41 mm	71.40 mm principal	0.19	Debt	Long	USA
U.S. Treasury Notes	62.40 mm	63.40 mm principal	0.19	Debt	Long	USA
Uniform Mortgage-Backed Securities	62.37 mm	69.77 mm principal	0.19	ABS-mortgage backed security	Long	USA
U.S. Treasury Notes	61.27 mm	62.50 mm principal	0.18	Debt	Long	USA
U.S. Treasury Notes	61.27 mm	60.72 mm principal	0.18	Debt	Long	USA
U.S. Treasury Notes	60.80 mm	60.68 mm principal	0.18	Debt	Long	USA
U.S. Treasury Notes	60.70 mm	60.36 mm principal	0.18	Debt	Long	USA
U.S. Treasury Notes	60.65 mm	60.35 mm principal	0.18	Debt	Long	USA
U.S. Treasury Notes	60.65 mm	59.12 mm principal	0.18	Debt	Long	USA
U.S. Treasury Notes	60.63 mm	63.25 mm principal	0.18	Debt	Long	USA
U.S. Treasury Notes	60.40 mm	60.80 mm principal	0.18	Debt	Long	USA
U.S. Treasury Notes	58.82 mm	57.51 mm principal	0.18	Debt	Long	USA
U.S. Treasury Bonds	58.36 mm	79.00 mm principal	0.18	Debt	Long	USA
Uniform Mortgage-Backed Securities	57.45 mm	60.52 mm principal	0.17	ABS-mortgage backed security	Long	USA
U.S. Treasury Notes	56.60 mm	58.24 mm principal	0.17	Debt	Long	USA
U.S. Treasury Notes	56.31 mm	55.40 mm principal	0.17	Debt	Long	USA
U.S. Treasury Bonds	56.30 mm	57.72 mm principal	0.17	Debt	Long	USA
U.S. Treasury Notes	56.12 mm	56.77 mm principal	0.17	Debt	Long	USA
U.S. Treasury Notes	55.86 mm	58.50 mm principal	0.17	Debt	Long	USA
U.S. Treasury Notes	55.52 mm	56.50 mm principal	0.17	Debt	Long	USA
U.S. Treasury Bonds	55.46 mm	64.57 mm principal	0.17	Debt	Long	USA
U.S. Treasury Notes	55.25 mm	55.54 mm principal	0.17	Debt	Long	USA
Government National Mortgage Association	54.07 mm	55.36 mm principal	0.16	ABS-mortgage backed security	Long	USA
Uniform Mortgage-Backed Securities	53.53 mm	58.65 mm principal	0.16	ABS-mortgage backed security	Long	USA
U.S. Treasury Notes	53.16 mm	53.40 mm principal	0.16	Debt	Long	USA
U.S. Treasury Bonds	52.35 mm	57.24 mm principal	0.16	Debt	Long	USA
U.S. Treasury Notes	52.15 mm	52.21 mm principal	0.16	Debt	Long	USA
U.S. Treasury Bonds	52.12 mm	55.51 mm principal	0.16	Debt	Long	USA
U.S. Treasury Notes	52.09 mm	54.50 mm principal	0.16	Debt	Long	USA
U.S. Treasury Notes	51.78 mm	57.00 mm principal	0.16	Debt	Long	USA
U.S. Treasury Notes	51.55 mm	52.97 mm principal	0.16	Debt	Long	USA
U.S. Treasury Notes	50.91 mm	50.68 mm principal	0.15	Debt	Long	USA
Uniform Mortgage-Backed Securities	50.90 mm	49.88 mm principal	0.15	ABS-mortgage backed security	Long	USA
U.S. Treasury Notes	50.88 mm	54.00 mm principal	0.15	Debt	Long	USA
U.S. Treasury Notes	50.48 mm	53.70 mm principal	0.15	Debt	Long	USA
U.S. Treasury Notes	49.98 mm	50.23 mm principal	0.15	Debt	Long	USA
U.S. Treasury Notes	49.53 mm	51.70 mm principal	0.15	Debt	Long	USA
U.S. Treasury Notes	49.24 mm	52.00 mm principal	0.15	Debt	Long	USA
U.S. Treasury Notes	49.06 mm	48.70 mm principal	0.15	Debt	Long	USA
Uniform Mortgage-Backed Securities	48.93 mm	54.95 mm principal	0.15	ABS-mortgage backed security	Long	USA
U.S. Treasury Notes	48.90 mm	52.00 mm principal	0.15	Debt	Long	USA
U.S. Treasury Notes	48.87 mm	49.80 mm principal	0.15	Debt	Long	USA
Federal Home Loan Mortgage Corp. Multifamily Structured Pass-Through Certificates, Series K-154, Class A2	48.81 mm	50.00 mm principal	0.15	ABS-mortgage backed security	Long	USA
U.S. Treasury Bonds	48.71 mm	56.76 mm principal	0.15	Debt	Long	USA
U.S. Treasury Bonds	48.55 mm	50.46 mm principal	0.15	Debt	Long	USA
U.S. Treasury Notes	48.53 mm	50.70 mm principal	0.15	Debt	Long	USA
U.S. Treasury Notes	47.81 mm	47.74 mm principal	0.14	Debt	Long	USA
U.S. Treasury Notes	47.74 mm	46.68 mm principal	0.14	Debt	Long	USA
U.S. Treasury Notes	47.51 mm	50.50 mm principal	0.14	Debt	Long	USA
U.S. Treasury Notes	47.49 mm	57.00 mm principal	0.14	Debt	Long	USA
U.S. Treasury Notes	47.10 mm	47.48 mm principal	0.14	Debt	Long	USA
U.S. Treasury Notes	46.37 mm	47.74 mm principal	0.14	Debt	Long	USA
U.S. Treasury Notes	46.20 mm	47.70 mm principal	0.14	Debt	Long	USA
U.S. Treasury Notes	46.18 mm	46.94 mm principal	0.14	Debt	Long	USA
U.S. Treasury Notes	46.07 mm	47.06 mm principal	0.14	Debt	Long	USA
Uniform Mortgage-Backed Securities	46.02 mm	45.73 mm principal	0.14	ABS-mortgage backed security	Long	USA
Government National Mortgage Association	45.72 mm	45.98 mm principal	0.14	ABS-mortgage backed security	Long	USA
U.S. Treasury Bonds	45.60 mm	77.90 mm principal	0.14	Debt	Long	USA
U.S. Treasury Notes	45.52 mm	47.65 mm principal	0.14	Debt	Long	USA
U.S. Treasury Notes	45.43 mm	46.03 mm principal	0.14	Debt	Long	USA
U.S. Treasury Notes	45.26 mm	54.83 mm principal	0.14	Debt	Long	USA
Government National Mortgage Association	44.82 mm	52.80 mm principal	0.13	ABS-mortgage backed security	Long	USA
U.S. Treasury Notes	44.57 mm	43.04 mm principal	0.13	Debt	Long	USA
U.S. Treasury Notes	44.35 mm	46.65 mm principal	0.13	Debt	Long	USA
U.S. Treasury Bonds	44.19 mm	75.00 mm principal	0.13	Debt	Long	USA
U.S. Treasury Notes	44.01 mm	44.60 mm principal	0.13	Debt	Long	USA
Government National Mortgage Association	43.93 mm	43.14 mm principal	0.13	ABS-mortgage backed security	Long	USA
U.S. Treasury Notes	43.73 mm	43.89 mm principal	0.13	Debt	Long	USA
U.S. Treasury Notes	43.05 mm	42.12 mm principal	0.13	Debt	Long	USA
U.S. Treasury Bonds	42.95 mm	52.50 mm principal	0.13	Debt	Long	USA
U.S. Treasury Bonds	42.72 mm	46.50 mm principal	0.13	Debt	Long	USA
Uniform Mortgage-Backed Securities	42.62 mm	53.27 mm principal	0.13	ABS-mortgage backed security	Long	USA
U.S. Treasury Bonds	42.37 mm	61.05 mm principal	0.13	Debt	Long	USA
U.S. Treasury Notes	41.98 mm	43.05 mm principal	0.13	Debt	Long	USA
Uniform Mortgage-Backed Securities	41.96 mm	43.19 mm principal	0.13	ABS-mortgage backed security	Long	USA
Uniform Mortgage-Backed Securities	41.93 mm	52.66 mm principal	0.13	ABS-mortgage backed security	Long	USA
U.S. Treasury Notes	41.90 mm	43.50 mm principal	0.13	Debt	Long	USA
Uniform Mortgage-Backed Securities	41.75 mm	48.45 mm principal	0.13	ABS-mortgage backed security	Long	USA
U.S. Treasury Notes	41.23 mm	41.63 mm principal	0.12	Debt	Long	USA
U.S. Treasury Notes	41.17 mm	41.34 mm principal	0.12	Debt	Long	USA
Uniform Mortgage-Backed Securities	41.13 mm	47.50 mm principal	0.12	ABS-mortgage backed security	Long	USA
U.S. Treasury Notes	40.78 mm	45.10 mm principal	0.12	Debt	Long	USA
U.S. Treasury Notes	40.73 mm	42.40 mm principal	0.12	Debt	Long	USA
Government National Mortgage Association	40.55 mm	49.74 mm principal	0.12	ABS-mortgage backed security	Long	USA
Uniform Mortgage-Backed Securities	40.05 mm	50.20 mm principal	0.12	ABS-mortgage backed security	Long	USA
Uniform Mortgage-Backed Securities	39.26 mm	47.36 mm principal	0.12	ABS-mortgage backed security	Long	USA
U.S. Treasury Bonds	39.17 mm	64.70 mm principal	0.12	Debt	Long	USA
U.S. Treasury Notes	39.03 mm	39.91 mm principal	0.12	Debt	Long	USA
U.S. Treasury Bonds	38.93 mm	60.63 mm principal	0.12	Debt	Long	USA
U.S. Treasury Notes	38.91 mm	43.40 mm principal	0.12	Debt	Long	USA
U.S. Treasury Notes	38.78 mm	43.40 mm principal	0.12	Debt	Long	USA
Uniform Mortgage-Backed Securities	38.77 mm	48.82 mm principal	0.12	ABS-mortgage backed security	Long	USA
U.S. Treasury Bonds	38.76 mm	53.85 mm principal	0.12	Debt	Long	USA
Government National Mortgage Association	38.64 mm	40.48 mm principal	0.12	ABS-mortgage backed security	Long	USA
U.S. Treasury Notes	38.54 mm	40.00 mm principal	0.12	Debt	Long	USA
Government National Mortgage Association	37.89 mm	46.41 mm principal	0.11	ABS-mortgage backed security	Long	USA
Government National Mortgage Association	37.58 mm	41.59 mm principal	0.11	ABS-mortgage backed security	Long	USA
U.S. Treasury Bonds	37.51 mm	55.70 mm principal	0.11	Debt	Long	USA
U.S. Treasury Notes	37.39 mm	37.26 mm principal	0.11	Debt	Long	USA
U.S. Treasury Notes	37.23 mm	38.05 mm principal	0.11	Debt	Long	USA
U.S. Treasury Bonds	36.87 mm	55.50 mm principal	0.11	Debt	Long	USA
Uniform Mortgage-Backed Securities	36.52 mm	45.83 mm principal	0.11	ABS-mortgage backed security	Long	USA
U.S. Treasury Bonds	36.41 mm	48.00 mm principal	0.11	Debt	Long	USA
U.S. Treasury Notes	36.35 mm	37.60 mm principal	0.11	Debt	Long	USA
Government National Mortgage Association	36.20 mm	35.92 mm principal	0.11	ABS-mortgage backed security	Long	USA
U.S. Treasury Notes	36.20 mm	35.86 mm principal	0.11	Debt	Long	USA
U.S. Treasury Notes	36.16 mm	36.87 mm principal	0.11	Debt	Long	USA
Uniform Mortgage-Backed Securities	35.98 mm	43.31 mm principal	0.11	ABS-mortgage backed security	Long	USA
U.S. Treasury Notes	35.57 mm	37.00 mm principal	0.11	Debt	Long	USA
U.S. Treasury Notes	35.41 mm	39.58 mm principal	0.11	Debt	Long	USA
U.S. Treasury Bonds	35.30 mm	46.00 mm principal	0.11	Debt	Long	USA
U.S. Treasury Notes	35.15 mm	37.00 mm principal	0.11	Debt	Long	USA
U.S. Treasury Notes	35.06 mm	37.30 mm principal	0.11	Debt	Long	USA
U.S. Treasury Notes	34.85 mm	39.10 mm principal	0.10	Debt	Long	USA
U.S. Treasury Notes	34.78 mm	36.90 mm principal	0.10	Debt	Long	USA
U.S. Treasury Notes	34.76 mm	37.50 mm principal	0.10	Debt	Long	USA
U.S. Treasury Notes	34.62 mm	38.50 mm principal	0.10	Debt	Long	USA
U.S. Treasury Notes	34.57 mm	36.05 mm principal	0.10	Debt	Long	USA
U.S. Treasury Notes	34.41 mm	35.10 mm principal	0.10	Debt	Long	USA
U.S. Treasury Notes	34.29 mm	35.45 mm principal	0.10	Debt	Long	USA
U.S. Treasury Bonds	33.71 mm	47.34 mm principal	0.10	Debt	Long	USA
Uniform Mortgage-Backed Securities	33.56 mm	38.66 mm principal	0.10	ABS-mortgage backed security	Long	USA
Government National Mortgage Association	33.13 mm	37.73 mm principal	0.10	ABS-mortgage backed security	Long	USA
U.S. Treasury Notes	32.87 mm	36.60 mm principal	0.10	Debt	Long	USA
U.S. Treasury Notes	32.72 mm	40.00 mm principal	0.10	Debt	Long	USA