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MBB
MBB
$95.00
iShares MBS ETF
AUM
$39.1B
TER
0.04%
Holdings
11,394
••
Buy Score
FundXLS Rating
••
Momentum Score
••
Value Score
Overview
Performance
Chart
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Top Holdings
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Fund Essentials
Net Assets
$39.1B
Expense Ratio
0.04%
Dividend Yield
3.79%
Holdings
11,394
Inception Date
Mar 13, 2007
Fund Family
iShares by BlackRock (US)
Investment Style
••••••••••
Asset Class
••••••••••
Legal Structure
••••••••••
Dividend Frequency
Monthly
SEC 30-Day Yield
••••••••••
Performance
YTD
+7.62%
1 Year
+6.95%
3 Year
+5.49%
5 Year
-0.20%
10 Year
+1.28%
Asset Allocation
Bonds:
99.56%
Cash:
0.44%
Price Chart (6M)
View Full Chart →
Top Holdings
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Ticker
Name
Weight
BISXX
Blackrock Cash Funds: Institutional, Sl Agency Shares
5.01%
FR SD8146
Fhlmc 30Yr Umbs Super 2% Apr 01, 2051
1.00%
G2 MA7648
Government National Mortgage A 2 10/20/2051
0.54%
G2 MA7766
Government National Mortgage A 2 12/20/2051
0.53%
FN MA4492
Fannie Mae 2051-12-01
0.51%
Top 10 Concentration:
9.81%
Report Date:
Oct 31, 2025
Dividend Summary
View Details →
Dividend Yield
3.79%
Frequency
Monthly
Latest Distribution
$0.33
Jul 1, 2025
12M Distributions
12 payments
Total: $3.82
Peer Comparison
Peer Category
••••••••••
Outperforming by ••••%
Ranked #••• of •,••• funds
This ETF
+••.••%
Category Avg
+••.••%
Benchmark
•••••••••• (•••)
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1 Month
-0.27%
YTD
+4.11%
1 Year
+4.11%
3 Year
+11.38%
Top 10 Holdings (9.8% of portfolio)
#
Ticker
Name
Sector
Weight
1
BISXX
Blackrock Cash Funds: Institutional, Sl Agency Shares
Financials
5.01%
2
FR SD8146
Fhlmc 30Yr Umbs Super 2% Apr 01, 2051
Financials
1.00%
3
G2 MA7648
Government National Mortgage A 2 10/20/2051
Financials
0.54%
4
G2 MA7766
Government National Mortgage A 2 12/20/2051
Financials
0.53%
5
FN MA4492
Fannie Mae 2051-12-01
Financials
0.51%
6
FR SD8140
Freddie Mac 2 04/01/2051
Financials
0.49%
7
G2 MA7472
Gnma Ii P#Ma7472 2.5% 07/20/51
Financials
0.45%
8
FN MA4465
Fannie Mae Pool Umbs P#Ma4465 2.00000000
Financials
0.43%
9
FN FS4654
Fannie Mae Pool 2 07/01/2051
Financials
0.43%
10
G2 MB0025
G2 Mb0025 5 11/20/54 2054-11-20
Financials
0.42%
View Top 10
View All 11394 Holdings