SPMBState Street® SPDR® Portfolio Mortgage Backed Bond ETF
Bond ETF · State Street (SPDR)
Holdings as of Aug 6, 2026
SPMB is a Bond ETF from State Street (SPDR) holding 2714 positions as of Aug 6, 2026, with $7.0B in assets and a 0.04% net expense ratio. Its largest positions are FED HM LN PC POOL RQ0094 FR 02/56 FIXED 5 (1.1%), FNMA TBA 30 YR 5.5 SINGLE FAMILY MORTGAGE (0.9%) and FNMA POOL MA4547 FN 02/52 FIXED 2 (0.8%); the top 10 holdings account for 7.1% of the portfolio. It yields 4.15% on a trailing-12-month basis.
- Issuer
- State Street (SPDR)
- Holdings
- 27146.9% cash, collateral & derivative positions excluded
- Net Assets
- $7.0BETF assets as of 2026-08-10
- Expense Ratio
- 0.04%per latest SEC prospectus filing
- TTM Yield
- 4.15%trailing 12-month distributions
Performance
- 1M
- -0.1%
- YTD
- +0.5%
- 1Y
- +3.9%
- 3Y (ann.)
- +4.7%
- 5Y (ann.)
- +0.2%
- 10Y (ann.)
- +1.2%
A $10,000 investment 10 years ago would be worth $11,234 today at the 10Y annualized rate. This is a backward-looking illustration, not a forecast. Project its future growth →
Total returns including dividends as of 2026-08-07. 3Y/5Y/10Y annualized. Past performance does not predict future results.
Top 25 Holdings
| # | Holding | Weight |
|---|---|---|
| 1 | FED HM LN PC POOL RQ0094 FR 02/56 FIXED 5 | 1.15% |
| 2 | FNMA TBA 30 YR 5.5 SINGLE FAMILY MORTGAGE | 0.91% |
| 3 | FNMA POOL MA4547 FN 02/52 FIXED 2 | 0.77% |
| 4 | FNMA TBA 30 YR 5 SINGLE FAMILY MORTGAGE | 0.76% |
| 5 | FED HM LN PC POOL RQ0041 FR 08/55 FIXED 6 | 0.74% |
| 6 | FED HM LN PC POOL SD8212 FR 05/52 FIXED 2.5 | 0.60% |
| 7 | FNMA TBA 30 YR 6 SINGLE FAMILY MORTGAGE | 0.59% |
| 8 | FED HM LN PC POOL SD8475 FR 11/54 FIXED 5.5 | 0.54% |
| 9 | GNMA II POOL MB0424 G2 06/55 FIXED 5.5 | 0.53% |
| 10 | GNMA II TBA 30 YR 5 JUMBOS | 0.53% |
| 11 | FNMA POOL MA4701 FN 08/52 FIXED 4.5 | 0.50% |
| 12 | FNMA POOL FA0608 FN 02/55 FIXED VAR | 0.48% |
| 13 | FNMA POOL MA4465 FN 11/51 FIXED 2 | 0.46% |
| 14 | FNMA POOL FS2040 FN 02/52 FIXED VAR | 0.43% |
| 15 | FED HM LN PC POOL SD8193 FR 02/52 FIXED 2 | 0.43% |
| 16 | FED HM LN PC POOL SD8408 FR 03/54 FIXED 5.5 | 0.43% |
| 17 | FED HM LN PC POOL SD8177 FR 11/51 FIXED 2 | 0.42% |
| 18 | FED HM LN PC POOL RQ0137 FR 07/56 FIXED 5.5 | 0.42% |
| 19 | GNMA II TBA 30 YR 5.5 JUMBOS | 0.42% |
| 20 | GNMA II POOL MB1216 G2 06/56 FIXED 5 | 0.41% |
| 21 | FED HM LN PC POOL RQ0118 FR 05/56 FIXED 5 | 0.41% |
| 22 | GNMA II POOL MB0871 G2 01/56 FIXED 5 | 0.41% |
| 23 | FED HM LN PC POOL RQ0056 FR 10/55 FIXED 5.5 | 0.40% |
| 24 | FED HM LN PC POOL SD8167 FR 09/51 FIXED 2.5 | 0.40% |
| 25 | FED HM LN PC POOL SD8454 FR 08/54 FIXED 6 | 0.37% |
Showing the top 25 of 2714 holdings. See the full SPMB holdings list →
Frequently Asked Questions
What is SPMB's expense ratio?
SPMB has a net expense ratio of 0.04%, per its latest SEC prospectus filing. That works out to about $4 a year on a $10,000 investment.
How many holdings does SPMB have?
SPMB held 2714 positions as of Aug 6, 2026, per its latest official holdings data. Cash, collateral and derivative positions (6.9% of portfolio weight) are excluded from that count.
What are SPMB's top 10 holdings?
SPMB's largest positions are FED HM LN PC POOL RQ0094 FR 02/56 FIXED 5 (1.1%), FNMA TBA 30 YR 5.5 SINGLE FAMILY MORTGAGE (0.9%), FNMA POOL MA4547 FN 02/52 FIXED 2 (0.8%), FNMA TBA 30 YR 5 SINGLE FAMILY MORTGAGE (0.8%), FED HM LN PC POOL RQ0041 FR 08/55 FIXED 6 (0.7%), FED HM LN PC POOL SD8212 FR 05/52 FIXED 2.5 (0.6%), FNMA TBA 30 YR 6 SINGLE FAMILY MORTGAGE (0.6%), FED HM LN PC POOL SD8475 FR 11/54 FIXED 5.5 (0.5%), GNMA II POOL MB0424 G2 06/55 FIXED 5.5 (0.5%), GNMA II TBA 30 YR 5 JUMBOS (0.5%). Together they account for 7.1% of the portfolio.
What is SPMB's dividend yield?
SPMB yields 4.15% based on its trailing 12-month distributions, as of Aug 7, 2026.
How big is SPMB?
SPMB has $7.0B in assets as of Aug 10, 2026.