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Wednesday, August 19, 2026The Morning Brief →Sign in
ETF PRO AIAugust 19, 2026

MBB iShares MBS ETF

Fund tearsheet · data as of the latest session · August 19, 2026

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ONE YEAR OF DAILY CLOSES

0.04%expense ratio
$39Bfund assets
-1.7%return, YTD
return, 1 year
+$26Mnet flow, 1 month
−$1Bnet flow, 1 year
4.7%realized volatility, 1y
-4.3%worst drawdown, 1y
Top ten holdings
1 GNMA2 30YR TBA(REG C)0.99%
2 UMBS 30YR TBA(REG A)0.84%
3 UMBS 30YR TBA(REG A)0.78%
4 GNMA2 30YR TBA(REG C)0.68%
5 GNMA2 30YR0.56%
6 GNMA2 30YR0.55%
7 GNMA2 30YR0.54%
8 FNMA 30YR UMBS0.53%
9 FHLMC 30YR UMBS SUPER0.51%
10 GNMA2 30YR TBA(REG C)0.46%

PREPARED WITH ETF PRO AI · PRIMARY MARKET DATA · INFORMATIONAL ONLY — NOT AN OFFER, RECOMMENDATION, OR INVESTMENT ADVICE · PAST PERFORMANCE DOES NOT GUARANTEE FUTURE RESULTS

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