# SPMB (State Street SPDR Portfolio Mortgage Backed Bond ETF)

State Street · Bond ETFs · Government mortgage-backed · data as of Oct 2, 2026

SPMB tracks an index and returned −2.3% over the past year.

## Key facts

- SPMB, total return, 1 year: −2.3%, as of Oct 2, 2026.
- SPMB, expense ratio: 0.04%, as of Oct 2, 2026.
- SPMB, holdings: 2755, as of Oct 2, 2026.
- SPMB, below its high: −5.4%, as of Oct 2, 2026.
- SPMB, net assets: $6.8bn (the issuer’s own daily fund list, as of Oct 1, 2026).

## SPMB over each window to Oct 2, 2026

| Window | Total return | S&P 500 | Gap to S&P 500 | Gap to Nasdaq-100 |
| --- | --- | --- | --- | --- |
| 3 months | −4.2% | +3.6% | −7.8 pts | −9.5 pts |
| 6 months | −4.1% | +17.9% | −22.0 pts | −32.5 pts |
| 1 year | −2.3% | +16.2% | −18.5 pts | −26.6 pts |
| 3 years | +16.5% | +89.3% | −72.8 pts | −98.3 pts |
| Since listing | +36.1% | +813.0% | −776.8 pts | −1725.8 pts |

## Every published field

| Field | Value | Source |
| --- | --- | --- |
| What it tracks | not read by ETFIQ | ETFIQ |
| Fund type | Bond fund | ETFIQ |
| Category | Bonds · Government mortgage-backed | ETFIQ |
| Expense ratio | 0.04% | 485BPOS XBRL, Oct 24, 2025 |
| Price | $21.05 | ETFIQ |
| Listed since | Jan 4, 2010 | ETFIQ |
| Net assets | $6.8bn | the issuer’s own daily fund list, as of Oct 1, 2026 |
| Below its high | −5.4% | ETFIQ |
| Holdings | 2755 | ETFIQ |
| Top ten weight | 12.6% | ETFIQ |
| Holdings published for | Oct 1, 2026 | the issuer’s daily file |

## Questions

### How has SPMB performed?

Over the year to Oct 2, 2026, SPMB returned −2.3% with distributions reinvested, against +16.2% for the S&P 500. Over three years the figure is +16.5%.

### What does SPMB cost?

The prospectus expense ratio is 0.04% a year.

### How far is SPMB below its high?

5.4% below its high of Feb 27, 2026, measured on the reinvested series to Oct 2, 2026.


## Cite this page

ETFIQ, SPMB, data as of Oct 2, 2026. https://etfiq.com/funds/spmb
Free to use with attribution; the underlying files are at https://etfiq.com/data/.

HTML: https://etfiq.com/funds/spmb  ·  JSON: https://etfiq.com/funds/spmb.json