ETF PRO AIAugust 20, 2026
MBB iShares MBS ETF
Fund tearsheet · data as of the latest session · August 20, 2026
ONE YEAR OF DAILY CLOSES
0.04%expense ratio
$39Bfund assets
-1.7%return, YTD
+0.1%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 30YR | 0.56% |
| 6 | GNMA2 30YR | 0.55% |
| 7 | GNMA2 30YR | 0.54% |
| 8 | FNMA 30YR UMBS | 0.53% |
| 9 | FHLMC 30YR UMBS SUPER | 0.51% |
| 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