MBB Holdings List

No.	Symbol	Name	% Weight	Shares
1	BISXX	BlackRock Cash Funds Instl SL Agency	6.07%	2,352,624,542
2	G2SF.5.5 4.11	Government National Mortgage Association 5.5%	1.09%	417,483,000
3	FR.SD8146	Federal Home Loan Mortgage Corp. 2%	1.07%	508,488,273
4	FNCL.5 4.11	Federal National Mortgage Association 5%	1.07%	418,222,000
5	FNCL.5.5 4.11	Federal National Mortgage Association 5.5%	0.85%	328,802,000
6	G2SF.5 4.11	Government National Mortgage Association 5%	0.57%	222,407,000
7	G2.MB0025	Government National Mortgage Association 5%	0.57%	219,985,831
8	G2.MA7648	Government National Mortgage Association 2%	0.55%	259,388,981
9	G2.MA7766	Government National Mortgage Association 2%	0.54%	254,861,332
10	FN.MA4492	Federal Home Loan Mortgage Corp. 2%	0.53%	253,864,392
11	FR.SD8140	Federal Home Loan Mortgage Corp. 2%	0.51%	243,503,323
12	G2SF.6 4.11	Government National Mortgage Association 6%	0.47%	177,486,000
13	G2.MA7472	Government National Mortgage Association 2.5%	0.47%	209,242,074
14	FN.MA4465	Federal Home Loan Mortgage Corp. 2%	0.45%	215,409,852
15	FN.FS4654	Federal National Mortgage Association 2%	0.45%	211,690,812
16	FNCL.6 4.11	Federal National Mortgage Association 6%	0.44%	168,225,000
17	G2.MA7935	Government National Mortgage Association 2%	0.37%	174,088,295
18	G2.MA7367	Government National Mortgage Association 2.5%	0.36%	162,786,112
19	FNCI.2 4.12	Federal National Mortgage Association 2%	0.33%	140,295,791
20	FN.FS9130	Federal National Mortgage Association 2%	0.33%	158,621,832
21	FN.MA4281	Federal Home Loan Mortgage Corp. 2%	0.33%	158,564,736
22	G2.MA9171	Government National Mortgage Association 5.5%	0.33%	125,321,323
23	FN.MA4437	Federal Home Loan Mortgage Corp. 2%	0.32%	152,237,829
24	G2.MA7826	Government National Mortgage Association 2%	0.31%	147,429,055
25	G2.MA9781	Government National Mortgage Association 6.5%	0.31%	115,412,588

Showing 25 of 11134 holdings

Subscribe to see the full list

Activate Now

As of Mar 31, 2026