iShares MBS ETF

Fund Profile

Fund profile

Tickers

MBB

Fund manager

iShares MBS ETF

Total assets

$34.96 bn

Liabilities

$1.51 bn

Net assets

$33.45 bn

Number of holdings

10.97 k

MBB stock data

1M 3M 6M 1Y

Top 200 of 10973 Holdings

As of Aug 2024

Security	$Holding	Balance	% of Fund	Category	Position	Country
BlackRock Cash Funds: Treasury, SL Agency Shares	1.65 bn	1.65 bn shares	4.94	Short-term investment vehicle	Long	USA
Freddie Mac Pool	324.30 mm	394.55 mm principal	0.97	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	251.16 mm	297.94 mm principal	0.75	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	244.40 mm	289.98 mm principal	0.73	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	222.39 mm	270.49 mm principal	0.66	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	214.98 mm	261.99 mm principal	0.64	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	211.80 mm	242.16 mm principal	0.63	ABS-mortgage backed security	Long	USA
Uniform Mortgage-Backed Security, TBA	198.72 mm	197.38 mm principal	0.59	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	196.29 mm	237.82 mm principal	0.59	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	180.81 mm	176.95 mm principal	0.54	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	162.63 mm	185.87 mm principal	0.49	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	162.24 mm	182.93 mm principal	0.48	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	151.17 mm	184.61 mm principal	0.45	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	148.62 mm	181.17 mm principal	0.44	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	140.78 mm	167.05 mm principal	0.42	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	135.81 mm	155.36 mm principal	0.41	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	133.04 mm	152.13 mm principal	0.40	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	128.71 mm	152.81 mm principal	0.38	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	128.55 mm	155.62 mm principal	0.38	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	126.09 mm	153.32 mm principal	0.38	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	125.53 mm	143.63 mm principal	0.38	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	125.00 mm	152.30 mm principal	0.37	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	122.89 mm	145.55 mm principal	0.37	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	122.00 mm	137.57 mm principal	0.36	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	118.98 mm	136.08 mm principal	0.36	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	104.09 mm	115.77 mm principal	0.31	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	103.16 mm	125.98 mm principal	0.31	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	101.77 mm	124.07 mm principal	0.30	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	95.71 mm	100.55 mm principal	0.29	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	93.69 mm	114.22 mm principal	0.28	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	90.11 mm	88.30 mm principal	0.27	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	85.58 mm	82.12 mm principal	0.26	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	84.40 mm	98.89 mm principal	0.25	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	82.70 mm	100.87 mm principal	0.25	ABS-mortgage backed security	Long	USA
Uniform Mortgage-Backed Security, TBA	82.32 mm	90.97 mm principal	0.25	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	80.60 mm	80.01 mm principal	0.24	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	80.55 mm	97.51 mm principal	0.24	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	80.45 mm	97.83 mm principal	0.24	ABS-mortgage backed security	Long	USA
Uniform Mortgage-Backed Security, TBA	79.36 mm	85.49 mm principal	0.24	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	76.95 mm	89.54 mm principal	0.23	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	75.97 mm	88.80 mm principal	0.23	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	75.93 mm	88.96 mm principal	0.23	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	75.23 mm	73.06 mm principal	0.22	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	74.60 mm	83.02 mm principal	0.22	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	74.13 mm	74.28 mm principal	0.22	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	73.66 mm	73.17 mm principal	0.22	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	73.60 mm	72.28 mm principal	0.22	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	73.29 mm	93.85 mm principal	0.22	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	72.58 mm	73.13 mm principal	0.22	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	72.57 mm	70.80 mm principal	0.22	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	72.32 mm	70.42 mm principal	0.22	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	71.70 mm	81.26 mm principal	0.21	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	70.81 mm	69.18 mm principal	0.21	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	70.08 mm	83.20 mm principal	0.21	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	70.02 mm	70.17 mm principal	0.21	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	68.92 mm	83.89 mm principal	0.21	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	66.89 mm	81.43 mm principal	0.20	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	66.88 mm	71.89 mm principal	0.20	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	66.81 mm	66.34 mm principal	0.20	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	66.78 mm	80.87 mm principal	0.20	ABS-mortgage backed security	Long	USA
Uniform Mortgage-Backed Security, TBA	66.07 mm	64.88 mm principal	0.20	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	65.90 mm	64.94 mm principal	0.20	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	63.22 mm	62.19 mm principal	0.19	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	62.52 mm	72.62 mm principal	0.19	ABS-mortgage backed security	Long	USA
Ginnie Mae	62.37 mm	62.49 mm principal	0.19	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	62.26 mm	68.04 mm principal	0.19	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	61.37 mm	74.31 mm principal	0.18	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	61.11 mm	78.21 mm principal	0.18	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	60.67 mm	71.91 mm principal	0.18	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	60.60 mm	73.22 mm principal	0.18	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	60.36 mm	70.53 mm principal	0.18	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	60.12 mm	68.73 mm principal	0.18	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	59.94 mm	69.28 mm principal	0.18	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	59.63 mm	67.60 mm principal	0.18	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	59.02 mm	67.42 mm principal	0.18	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	58.51 mm	58.13 mm principal	0.17	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	58.44 mm	57.59 mm principal	0.17	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	58.21 mm	56.93 mm principal	0.17	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	57.60 mm	67.54 mm principal	0.17	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	56.17 mm	56.02 mm principal	0.17	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	55.52 mm	67.09 mm principal	0.17	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	55.52 mm	67.88 mm principal	0.17	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	54.76 mm	57.27 mm principal	0.16	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	54.63 mm	63.50 mm principal	0.16	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	54.61 mm	62.50 mm principal	0.16	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	54.29 mm	62.09 mm principal	0.16	ABS-mortgage backed security	Long	USA
Uniform Mortgage-Backed Security, TBA	53.95 mm	52.40 mm principal	0.16	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	53.49 mm	58.43 mm principal	0.16	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	53.28 mm	62.13 mm principal	0.16	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	53.28 mm	63.05 mm principal	0.16	ABS-mortgage backed security	Long	USA
Ginnie Mae	52.18 mm	51.09 mm principal	0.16	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	52.04 mm	55.92 mm principal	0.16	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	51.92 mm	63.25 mm principal	0.16	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	51.82 mm	63.29 mm principal	0.15	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	51.74 mm	62.91 mm principal	0.15	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	51.01 mm	50.49 mm principal	0.15	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	50.91 mm	58.73 mm principal	0.15	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	50.59 mm	48.55 mm principal	0.15	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	50.54 mm	61.29 mm principal	0.15	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	50.16 mm	61.32 mm principal	0.15	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	49.92 mm	55.15 mm principal	0.15	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	49.49 mm	57.86 mm principal	0.15	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	49.23 mm	52.65 mm principal	0.15	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	48.78 mm	59.57 mm principal	0.15	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	48.52 mm	48.19 mm principal	0.15	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	47.87 mm	55.90 mm principal	0.14	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	47.85 mm	47.50 mm principal	0.14	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	47.78 mm	58.13 mm principal	0.14	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	47.36 mm	55.12 mm principal	0.14	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	47.35 mm	57.59 mm principal	0.14	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	47.27 mm	46.73 mm principal	0.14	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	47.25 mm	46.92 mm principal	0.14	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	47.06 mm	57.52 mm principal	0.14	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	46.91 mm	56.70 mm principal	0.14	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	46.83 mm	54.62 mm principal	0.14	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	46.72 mm	56.73 mm principal	0.14	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	46.57 mm	46.24 mm principal	0.14	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	46.57 mm	53.28 mm principal	0.14	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	46.26 mm	56.03 mm principal	0.14	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	46.09 mm	45.21 mm principal	0.14	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	45.85 mm	53.34 mm principal	0.14	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	45.80 mm	44.91 mm principal	0.14	ABS-mortgage backed security	Long	USA
Ginnie Mae	45.44 mm	51.98 mm principal	0.14	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	45.24 mm	46.16 mm principal	0.14	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	44.31 mm	48.55 mm principal	0.13	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	44.14 mm	46.88 mm principal	0.13	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	44.10 mm	51.25 mm principal	0.13	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	43.70 mm	48.10 mm principal	0.13	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	43.66 mm	43.33 mm principal	0.13	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	43.57 mm	50.55 mm principal	0.13	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	43.27 mm	43.36 mm principal	0.13	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	43.24 mm	47.78 mm principal	0.13	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	43.21 mm	43.34 mm principal	0.13	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	43.13 mm	44.26 mm principal	0.13	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	42.95 mm	52.00 mm principal	0.13	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	42.54 mm	44.27 mm principal	0.13	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	42.44 mm	49.76 mm principal	0.13	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	42.25 mm	43.15 mm principal	0.13	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	41.76 mm	48.92 mm principal	0.12	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	41.73 mm	40.10 mm principal	0.12	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	41.33 mm	50.36 mm principal	0.12	ABS-mortgage backed security	Long	USA
Uniform Mortgage-Backed Security, TBA	41.26 mm	44.83 mm principal	0.12	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	41.24 mm	43.00 mm principal	0.12	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	41.11 mm	50.00 mm principal	0.12	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	41.10 mm	40.82 mm principal	0.12	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	41.01 mm	45.34 mm principal	0.12	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	40.93 mm	40.34 mm principal	0.12	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	40.75 mm	43.73 mm principal	0.12	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	40.69 mm	40.08 mm principal	0.12	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	40.64 mm	51.97 mm principal	0.12	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	40.58 mm	41.41 mm principal	0.12	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	40.46 mm	42.88 mm principal	0.12	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	40.41 mm	46.74 mm principal	0.12	ABS-mortgage backed security	Long	USA
Ginnie Mae	40.27 mm	40.01 mm principal	0.12	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	39.94 mm	44.15 mm principal	0.12	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	39.85 mm	40.11 mm principal	0.12	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	39.62 mm	48.02 mm principal	0.12	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	39.51 mm	39.71 mm principal	0.12	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	39.29 mm	42.94 mm principal	0.12	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	39.22 mm	38.35 mm principal	0.12	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	39.07 mm	42.21 mm principal	0.12	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	38.48 mm	45.04 mm principal	0.12	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	38.45 mm	45.04 mm principal	0.11	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	38.33 mm	37.16 mm principal	0.11	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	38.09 mm	45.96 mm principal	0.11	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	37.68 mm	45.92 mm principal	0.11	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	37.38 mm	41.29 mm principal	0.11	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	37.37 mm	43.21 mm principal	0.11	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	37.20 mm	40.05 mm principal	0.11	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	36.85 mm	44.84 mm principal	0.11	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	36.76 mm	38.21 mm principal	0.11	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	36.66 mm	35.65 mm principal	0.11	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	36.42 mm	41.66 mm principal	0.11	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	36.41 mm	42.49 mm principal	0.11	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	36.39 mm	44.32 mm principal	0.11	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	36.39 mm	42.10 mm principal	0.11	ABS-mortgage backed security	Long	USA
Uniform Mortgage-Backed Security, TBA	36.00 mm	40.77 mm principal	0.11	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	35.87 mm	39.21 mm principal	0.11	ABS-mortgage backed security	Long	USA
Uniform Mortgage-Backed Security, TBA	35.73 mm	41.90 mm principal	0.11	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	35.61 mm	41.56 mm principal	0.11	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	35.60 mm	34.84 mm principal	0.11	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	35.40 mm	40.55 mm principal	0.11	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	35.38 mm	39.11 mm principal	0.11	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	35.19 mm	42.60 mm principal	0.11	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	35.14 mm	42.25 mm principal	0.11	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	35.12 mm	42.84 mm principal	0.10	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	34.97 mm	42.63 mm principal	0.10	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	34.87 mm	40.69 mm principal	0.10	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	34.87 mm	42.29 mm principal	0.10	ABS-mortgage backed security	Long	USA
Freddie Mac Pool	34.85 mm	42.03 mm principal	0.10	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	34.73 mm	35.66 mm principal	0.10	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	34.57 mm	38.92 mm principal	0.10	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	34.46 mm	44.11 mm principal	0.10	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	34.38 mm	36.81 mm principal	0.10	ABS-mortgage backed security	Long	USA
Ginnie Mae II Pool	34.18 mm	40.55 mm principal	0.10	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	34.14 mm	37.82 mm principal	0.10	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	33.86 mm	39.67 mm principal	0.10	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	33.83 mm	32.46 mm principal	0.10	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	33.73 mm	39.44 mm principal	0.10	ABS-mortgage backed security	Long	USA
Fannie Mae Pool	33.70 mm	39.02 mm principal	0.10	ABS-mortgage backed security	Long	USA