MBB

iShares MBS ETFIShares

$94.86-0.30 (-0.32%)Live

AUM$39.03B

Expense Ratio0.04%

NAV$95.32

Holdings11,145

InceptionMar 13, 2007

Price Chart

Key Statistics

Previous Close

$95.16

Day Range

$94.77$95.16

52-Week Range

$91.41$96.91

Avg Volume

2.6M

Dividend Yield

4.18%

Expense Ratio

0.04%

AUM

$39.03B

Shares Outstanding

416.2M

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
Subcategory: 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	$77.64B	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 $39.03B in assets under management. The fund charges an expense ratio of 0.04%. The fund holds 11145 securities in its portfolio. It falls under the Cash & Others category.

Top 10 holdings represent 14.2% of the fund

Rank	Symbol	Name	Weight %	Market Value
1	—	BLACKROCK CASH CL INST SL AGENCY	5.10%	$2.17B
2	—	USD CASH	3.87%	$1.65B
3	—	FHLMC 30YR UMBS SUPER 05/01/2051	0.98%	$417.4M
4	—	GNMA2 30YR TBA(REG C) 03/19/2026	0.94%	$400.0M
5	—	UMBS 30YR TBA(REG A) 04/13/2026	0.64%	$272.5M
6	—	UMBS 30YR TBA(REG A) 04/13/2026	0.63%	$267.8M
7	—	GNMA2 30YR TBA(REG C) 03/19/2026	0.53%	$223.0M
8	—	GNMA2 30YR 11/20/2054	0.52%	$220.9M
9	—	GNMA2 30YR 10/20/2051	0.51%	$216.6M
10	—	GNMA2 30YR 12/20/2051	0.50%	$212.8M
11	—	FNMA 30YR UMBS 12/01/2051	0.49%	$208.4M
12	—	FHLMC 30YR UMBS SUPER 04/01/2051	0.47%	$199.9M
13	—	GNMA2 30YR 07/20/2051	0.43%	$182.3M
14	—	GNMA2 30YR TBA(REG C) 03/19/2026	0.43%	$181.3M
15	—	FNMA 30YR UMBS 11/01/2051	0.42%	$176.8M

Page 1 of 223

Detailed Returns

Period	ETF	Cat. Avg
1D	-0.32%	—
1W	-1.10%	—
1M	-0.99%	—
3M	-0.20%	—
6M	-0.88%	—
YTD	-0.26%	—
1Y	+1.93%	—
3Y	+0.82%	—
5Y	-12.71%	—

Moving Averages

20-Day MA

$96.07

Below 20-Day MA

50-Day MA

$95.71

Below 50-Day MA

200-Day MA

$94.54

Above 200-Day MA

Price with Moving Averages

Support & Resistance

52-Week High

$96.91

Current Price

$94.86

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(1031 ETFs)	Mortgage(70 ETFs)
Fund Info
Expense Ratio	0.04%	0.61%	0.45%
AUM	$39.03B	$2.64B	$2.22B
Dividend Yield	4.18%	9.23%	4.31%
Avg Volume	2.6M	1.9M	373.6K
Holdings	11,145	386	501
Performance
1-Month Return	-0.41%	-0.30%	-0.37%
6-Month Return	+0.06%	-1.06%	-0.48%
YTD Return	-0.06%	+0.13%	+0.20%
1-Year Return	+1.63%	+2.38%	+0.29%

Compare with Another ETF

Search for an ETF to compare with MBB: