iShares MBS ETF (MBB)
NASDAQ: MBB · Real-Time Price · USD
93.11
-0.31 (-0.33%)
At close: Jul 3, 2025, 1:00 PM
92.14
-0.97 (-1.04%)
After-hours: Jul 3, 2025, 2:48 PM EDT

MBB Holdings List

Jul 3, 2025
No.SymbolName WeightShares
1n/aBLACKROCK CASH CL INST SL AGENCY4.69%1,828,657,480
2n/aFHLMC 30YR UMBS SUPER - 2.0 2051-05-010.87%427,188,030
3n/aGNMA2 30YR - 2.0 2051-10-200.58%277,606,310
4n/aGNMA2 30YR - 2.0 2051-12-200.57%272,811,142
5n/aFNMA 30YR UMBS - 2.0 2051-12-010.54%267,038,726
6n/aFHLMC 30YR UMBS SUPER - 2.0 2051-04-010.52%256,341,307
7n/aUMBS 30YR TBA(REG A) - 5.5 2025-07-140.50%195,729,000
8n/aGNMA2 30YR - 2.5 2051-07-200.49%224,073,822
9n/aFNMA 30YR UMBS - 2.0 2051-11-010.46%226,292,347
10n/aFNMA 30YR UMBS SUPER - 2.0 2051-07-010.46%223,975,273
11n/aGNMA2 30YR - 5.0 2054-11-200.42%165,407,299
12n/aGNMA2 30YR TBA(REG C) - 6.0 2025-07-210.41%156,750,000
13n/aGNMA2 30YR - 2.0 2052-03-200.39%185,780,130
14n/aFNMA 30YR UMBS - 3.0 2051-10-010.38%173,969,140
15n/aGNMA2 30YR - 2.5 2051-05-200.38%174,083,339
16n/aUMBS 30YR TBA(REG A) - 6.0 2025-07-140.36%139,950,000
17n/aGNMA2 30YR TBA(REG C) - 5.0 2025-07-210.36%143,587,000
18n/aGNMA2 30YR - 2.5 2052-04-200.36%166,265,177
19n/aFHLMC 30YR UMBS SUPER - 2.0 2052-03-010.35%175,254,290
20n/aGNMA2 30YR - 6.5 2054-07-200.35%134,199,498
21n/aUMBS 30YR TBA(REG A) - 5.0 2025-07-140.34%136,472,000
22n/aFNMA 30YR UMBS SUPER - 2.0 2052-04-010.34%166,974,449
23n/aFNMA 30YR UMBS - 2.0 2051-03-010.34%166,870,582
24n/aGNMA2 30YR - 2.0 2052-01-200.33%157,302,199
25n/aFNMA 30YR UMBS - 2.0 2051-10-010.32%160,246,555
26n/aGNMA2 30YR - 2.5 2051-08-200.31%144,043,257
27n/aGNMA2 30YR - 2.5 2052-03-200.30%139,620,226
28n/aFNMA 30YR UMBS - 6.0 2054-08-010.30%115,522,848
29n/aFNMA 30YR UMBS - 2.0 2051-02-010.30%146,608,272
30n/aGNMA2 30YR - 2.5 2051-12-200.29%135,265,649
31n/aGNMA2 30YR TBA(REG C) - 6.5 2025-07-210.29%111,052,550
32n/aGNMA2 30YR - 2.0 2050-12-200.29%140,081,574
33n/aFHLMC 30YR UMBS SUPER - 5.5 2053-05-010.29%112,345,293
34n/aGNMA2 30YR - 6.5 2055-02-200.28%104,474,764
35n/aGNMA2 30YR - 5.5 2053-09-200.27%106,439,053
36n/aFNMA 30YR UMBS - 6.0 2054-09-010.26%98,659,790
37n/aGNMA2 30YR TBA(REG C) - 5.5 2025-07-210.25%98,883,000
38n/aFHLMC 30YR UMBS SUPER - 5.5 2053-09-010.25%98,770,118
39n/aFHLMC 30YR UMBS SUPER - 2.0 2051-12-010.25%121,833,119
40n/aFNMA 30YR UMBS - 2.0 2052-02-010.24%119,471,015
41n/aFNMA 30YR UMBS SUPER - 3.0 2052-05-010.24%107,099,465
42n/aUMBS 30YR TBA(REG A) - 4.5 2025-07-140.23%95,350,000
43n/aFHLMC 30YR UMBS SUPER - 2.0 2051-03-010.23%113,710,513
44n/aFNMA 30YR UMBS SUPER - 5.5 2054-02-010.23%88,681,131
45n/aFNMA 30YR UMBS - 3.0 2051-02-010.22%100,898,924
46n/aFNMA 30YR UMBS SUPER - 2.0 2052-02-010.22%109,931,107
47n/aFNMA 15YR UMBS SUPER - 3.0 2037-05-010.22%88,267,180
48n/aGNMA2 30YR - 6.0 2054-08-200.21%81,695,316
49n/aGNMA2 30YR - 5.0 2054-12-200.21%84,610,948
50n/aGNMA2 30YR - 2.0 2052-04-200.20%96,223,533
As of Jul 3, 2025
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