ETF Data
MBB ETF Data
Fund Profile · Snapshot Metrics · Exposure · Technicals · Risk
MBBiShares MBS ETF
Financial Services / Asset Management - Bonds
Relative Leader / Watch
Strong Relative Position
Latest quote
- Momentum56
- Value45
- Quality68
- Risk resilience87
- Sentiment—
ETF Data Overview
ETF pages show fund-native profile, cost, size, liquidity, exposure, technical, and risk evidence.
ETF Snapshot Data
Updated Oct 21, 2026.
| Field | Value |
|---|---|
| Fund name | iShares MBS ETF |
| Issuer | IShares |
| Asset class | Fixed Income |
| Primary exposure | Federal National Mortgage Association (42.64%) |
| Domicile | US |
| Inception date | Mar 13, 2007 |
| NAV currency | USD |
| CUSIP | — |
| ISIN | US4642885887 |
| Field | Value |
|---|---|
| Price | $90.54 |
| Fund size | $35.23B |
| Expense ratio | 0.04% |
| Holdings count | 11,209 |
| NAV | $90.35 |
| Average volume | 3.86M |
| Distribution yield | 4.51% |
| AIQ Score | 61/100 |
ETF Holdings
Reported holdings from the latest ETF holder snapshot.
- MBBBLACKROCK CASH CL INST SL AGENCY6.54%
- MBBUSD CASH5.30%
- MBBFHLMC 30YR UMBS SUPER 2.00% 05/01/20510.87%
- MBBUMBS 30YR TBA(REG A) 5.50% 10/13/20260.79%
- MBBUMBS 30YR TBA(REG A) 5.00% 10/13/20260.67%
- Rest of fund85.83%
| Symbol | Holding | Weight | Market value |
|---|---|---|---|
| MBB | BLACKROCK CASH CL INST SL AGENCY | 6.54% | $2.87B |
| MBB | USD CASH | 5.30% | -$2.33B |
| MBB | FHLMC 30YR UMBS SUPER 2.00% 05/01/2051 | 0.87% | $381.48M |
| MBB | UMBS 30YR TBA(REG A) 5.50% 10/13/2026 | 0.79% | $348.17M |
| MBB | UMBS 30YR TBA(REG A) 5.00% 10/13/2026 | 0.67% | $292.58M |
| MBB | GNMA2 30YR TBA(REG C) 5.50% 09/21/2026 | 0.63% | $278.64M |
| MBB | GNMA2 30YR TBA(REG C) 6.00% 09/21/2026 | 0.56% | $246.98M |
| MBB | GNMA2 30YR TBA(REG C) 5.00% 09/21/2026 | 0.49% | $214.98M |
| MBB | GNMA2 30YR 5.00% 11/20/2054 | 0.49% | $214.98M |
| MBB | GNMA2 30YR 2.00% 10/20/2051 | 0.45% | $197.24M |
| MBB | GNMA2 30YR 2.00% 12/20/2051 | 0.44% | $193.85M |
| MBB | FNMA 30YR UMBS 2.00% 12/01/2051 | 0.43% | $191.06M |
| MBB | GNMA2 30YR 2.50% 07/20/2051 | 0.43% | $188.11M |
| MBB | GNMA2 30YR TBA(REG C) 4.50% 09/21/2026 | 0.43% | $187.27M |
| MBB | FHLMC 30YR UMBS SUPER 2.00% 04/01/2051 | 0.42% | $183.21M |
| MBB | FNMA 30YR UMBS 2.00% 11/01/2051 | 0.37% | $162.08M |
| MBB | FNMA 30YR UMBS SUPER 2.00% 07/01/2051 | 0.36% | $158.89M |
| MBB | GNMA2 30YR 5.00% 04/20/2056 | 0.36% | $157.13M |
| MBB | UMBS 15YR TBA(REG B) 4.00% 09/17/2026 | 0.35% | $153.95M |
| MBB | GNMA2 30YR 5.50% 09/20/2053 | 0.34% | $147.1M |
| MBB | GNMA2 30YR 5.50% 09/20/2055 | 0.33% | $144.88M |
| MBB | GNMA2 30YR 2.00% 03/20/2052 | 0.30% | $132.08M |
| MBB | UMBS 15YR TBA(REG B) 2.00% 09/17/2026 | 0.30% | $131.39M |
| MBB | GNMA2 30YR 2.50% 05/20/2051 | 0.29% | $128.66M |
| MBB | UMBS 30YR TBA(REG A) 6.00% 10/13/2026 | 0.29% | $126.79M |
ETF Exposure
Sector and country composition fields from ETF snapshots where available.
| Field | Value |
|---|---|
| Government National Mortgage Association | 24.01% |
| Federal Home Loan Mortgage Corporation | 30.24% |
| Federal National Mortgage Association | 42.64% |
| Uniform MBS | 2.67% |
| Cash and/or Derivatives | 0.44% |
| Field | Value |
|---|---|
| United States | 100.00% |
Institutional Holder Snapshot
Latest downstream filing-reported holders and share-count changes for this ETF.
No downstream institutional holder rows are available for this ETF yet.
Current ETF Metrics
ETF-native fields sit beside technical and risk readings for deeper research.
| Metric | Value |
|---|---|
| Expense Ratio | 0.04% |
| Fund Size | $35.23B |
| NAV | $90.35 |
| Average Volume | 3.86M |
| Beta | 1.14 |
| 52-week high | $96.97 |
| 52-week low | $88.58 |
As of Oct 21, 2026
| Metric | Value |
|---|---|
| Close | $90.54 |
| Volume | 6.2M |
| RSI (14) | 66.89 |
| MACD | -0.24 |
| MACD signal | -0.45 |
| MACD histogram | 0.21 |
| ADX (14) | 32.91 |
| SMA (50) | $91.44 |
| SMA (200) | $93.91 |
| ATR (14) | $0.53 |
| Historical volatility (annualized) | 6.00% |
| Volume (20-day average) | 6.44M |
As of Oct 21, 2026
| Metric | Value |
|---|---|
| Resilience score | 87/100 |
| Beta | 1.14 |
| Annual volatility | 5.05% |
| Max Drawdown | -8.07% |
| Sharpe Ratio | -1.91 |
| VaR (95%, 1-day) | -0.54% |
As of Oct 21, 2026
Additional ETF Metrics
Expanded ETF structure fields appear here when the entitlement and source coverage allow them.
No additional ETF structure metrics are available.
Related Links
MBB ETF Data FAQ
What data matters most for MBB ETF?
MBB ETF data should be read through fund-native fields such as expense ratio, fund size, NAV, holdings, exposure, distribution yield, liquidity, technicals, and risk measures.
Why does MBB not show revenue or EPS?
MBB is an ETF, not an operating company. It does not have company revenue, EPS, margins, or free cash flow; those belong to the underlying holdings, not the fund wrapper.
What does MBB's expense ratio show?
MBB's expense ratio is the annual fund cost when available. It should be compared with fund strategy, income profile, liquidity, and exposure.
How should investors read MBB's holdings data?
MBB's holdings data shows what the fund owns and how concentrated the portfolio is. Holdings weights and sector exposure explain much of the fund's risk and return behavior.
What does MBB's distribution yield mean?
MBB's distribution yield describes the income paid by the ETF over the measured period. It should be read with payout history, fund strategy, fees, and price risk.
Why can ETF profile fields be unavailable?
ETF profile fields can be unavailable when the provider snapshot, serving layer, or entitlement path has not published that field for MBB. Missing ETF fields should remain blank rather than be inferred from stock fundamentals.