MBB

iShares MBS ETFiShares$94.45-0.63 (-0.66%)

AUM $38.88BER 0.04%NAV $95.03Holdings 11Inception Mar 2007

Price Chart

Key Statistics

Previous Close

$95.09

Day Range

$94.26$94.75

52-Week Range

$91.41$96.91

Avg Volume

2.9M

Dividend Yield

4.18%

Expense Ratio

0.04%

AUM

$38.88B

Shares Outstanding

416.2M

ETF Grades

?ETF Grades compare this fund against others in the same category using percentile rankings across six factors. Grades range from A+ (top 5%) to F (bottom 20%). Updated daily.

Sector Breakdown

Sector	Weight %
Cash & Others	100.00%

Country Allocation

Country	Weight %
Other	94.71%
United States	5.29%

Fund Information

Issuer: iShares
Category: Cash & Others
Types: Mortgage
Inception Date: Mar 13, 2007
Exchange: NASDAQ
Description: The iShares MBS ETF (MBB) seeks to track the investment results of an index composed of investment-grade mortgage-backed pass-through securities issued and/or guaranteed by U.S. government agencies.

Similar ETFs

Symbol	Name	AUM	Expense Ratio	Holdings
BND	Vanguard Total Bond Market ETF	$389.20B	0.03%	346
VWO	Vanguard FTSE Emerging Markets ETF	$151.80B	0.06%	5,942
AGG	iShares Core U.S. Aggregate Bond ETF	$139.38B	0.03%	13,204
SGOV	iShares 0-3 Month Treasury Bond ETF	$78.18B	0.09%	24
BSV	Vanguard Short-Term Bond ETF	$69.20B	0.03%	30

The iShares MBS ETF (MBB) is an exchange-traded fund issued by iShares that launched on Mar 13, 2007. It currently manages $38.88B in assets under management. The fund charges an expense ratio of 0.04%. The fund holds 11 securities in its portfolio. It falls under the Cash & Others category.

Top 10 holdings represent 14.0% of the fund

Rank	Symbol	Name	Weight %	Market Value
1	—	BLACKROCK CASH CL INST SL AGENCY	5.04%	$2.12B
2	—	USD CASH	3.64%	$1.53B
3	—	FHLMC 30YR UMBS SUPER 05/01/2051	0.99%	$414.6M
4	—	GNMA2 30YR TBA(REG C) 03/19/2026	0.95%	$399.3M
5	—	UMBS 30YR TBA(REG A) 04/13/2026	0.65%	$271.9M
6	—	UMBS 30YR TBA(REG A) 04/13/2026	0.63%	$266.8M
7	—	GNMA2 30YR TBA(REG C) 03/19/2026	0.53%	$222.7M
8	—	GNMA2 30YR 11/20/2054	0.52%	$220.6M
9	—	GNMA2 30YR 10/20/2051	0.51%	$215.1M
10	—	GNMA2 30YR 12/20/2051	0.50%	$211.4M
11	—	FNMA 30YR UMBS 12/01/2051	0.49%	$207.0M
12	—	FHLMC 30YR UMBS SUPER 04/01/2051	0.47%	$198.5M
13	—	GNMA2 30YR TBA(REG C) 03/19/2026	0.43%	$181.1M
14	—	GNMA2 30YR 07/20/2051	0.43%	$181.0M
15	—	FNMA 30YR UMBS 11/01/2051	0.42%	$175.6M

Detailed Returns

Period	ETF	Cat. Avg
1D	-0.66%	—
1W	-0.46%	—
1M	-1.88%	—
3M	-0.67%	—
6M	-0.57%	—
YTD	-0.72%	—
1Y	+0.90%	—
3Y	+0.36%	—
5Y	-12.95%	—

Moving Averages

20-Day MA

$95.81

Below 20-Day MA

50-Day MA

$95.71

Below 50-Day MA

200-Day MA

$94.64

Below 200-Day MA

Price with Moving Averages

Support & Resistance

52-Week High

$96.91

Current Price

$94.45

52-Week Low

$91.41

$91.41$96.91

Current Yield

4.18%

Annual Dividend

$1.3434

Frequency

12x/year

Last Ex-Date

Mar 2, 2026

Dividend History

Ex-Date	Amount	Pay Date
Mar 2, 2026	$0.3278	Mar 5, 2026
Feb 2, 2026	$0.3347	Feb 5, 2026
Dec 19, 2025	$0.3340	Dec 24, 2025
Dec 1, 2025	$0.3469	Dec 4, 2025
Nov 3, 2025	$0.3420	Nov 6, 2025
Oct 1, 2025	$0.3363	Oct 6, 2025
Sep 2, 2025	$0.3383	Sep 5, 2025
Aug 1, 2025	$0.3319	Aug 6, 2025
Jul 1, 2025	$0.3322	Jul 7, 2025
Jun 2, 2025	$0.3251	Jun 5, 2025
May 1, 2025	$0.3255	May 6, 2025
Apr 1, 2025	$0.3309	Apr 4, 2025
Mar 3, 2025	$0.3204	Mar 6, 2025
Feb 3, 2025	$0.3414	Feb 6, 2025
Dec 18, 2024	$0.2944	Dec 23, 2024
Dec 2, 2024	$0.3074	Dec 5, 2024
Nov 1, 2024	$0.3099	Nov 6, 2024
Oct 1, 2024	$0.3113	Oct 4, 2024
Sep 3, 2024	$0.3177	Sep 6, 2024
Aug 1, 2024	$0.3086	Aug 6, 2024

Dividend Payments Over Time

Category Comparison

Metric	MBB	Cash & Others(1028 ETFs)	Mortgage(72 ETFs)
Fund Info
Expense Ratio	0.04%	0.61%	0.46%
AUM	$38.88B	$2.65B	$2.16B
Dividend Yield	4.18%	9.45%	4.31%
Avg Volume	2.9M	1.7M	350.7K
Holdings	11	367	318
Performance
1-Month Return	-1.22%	+1.28%	-1.40%
6-Month Return	-0.37%	-2.90%	-1.23%
YTD Return	-0.14%	+0.16%	-0.39%
1-Year Return	+1.93%	-0.16%	-0.23%

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