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The State Street SPDR Portfolio Mortgage Backed Bond ETF (SPMB) aims to mirror the price and yield performance of the Bloomberg U.S. MBS Index, prior to accounting for fees and expenses. This cost-effective exchange-traded fund provides exposure to investment-grade agency mortgage-backed securities within the U.S. bond market. It is part of the State Street SPDR Portfolio lineup, a series of low-cost funds designed as core components for broad diversification across key asset classes. The fund's portfolio undergoes rebalancing on the last business day of each month.
| Symbol | Name | Weight | Market Value |
|---|---|---|---|
| — | SSI US GOV MONEY MARKET CLASS | 7.66% | $580.29M |
| — | FED HM LN PC POOL RQ0094 FR 02/56 FIXED 5 | 1.09% | $82.88M |
| — | FNMA TBA 30 YR 5.5 SINGLE FAMILY MORTGAGE | 0.86% | $65.51M |
| — | FNMA POOL MA4547 FN 02/52 FIXED 2 | 0.74% | $55.88M |
| — | FED HM LN PC POOL RQ0041 FR 08/55 FIXED 6 | 0.71% | $54.06M |
| — | FNMA TBA 30 YR 5 SINGLE FAMILY MORTGAGE | 0.70% | $53.13M |
| — | FED HM LN PC POOL SD8212 FR 05/52 FIXED 2.5 | 0.57% | $43.22M |
| — | FED HM LN PC POOL SD8475 FR 11/54 FIXED 5.5 | 0.51% | $38.97M |
| — | GNMA II POOL MB0424 G2 06/55 FIXED 5.5 | 0.51% | $38.60M |
| — | GNMA II TBA 30 YR 5 JUMBOS | 0.50% | $38.00M |
| — | FNMA POOL MA4701 FN 08/52 FIXED 4.5 | 0.48% | $36.31M |
| — | GNMA II TBA 30 YR 5.5 JUMBOS | 0.46% | $34.95M |
| — | FNMA POOL FA0608 FN 02/55 FIXED VAR | 0.46% | $34.67M |
| — | FNMA POOL MA4465 FN 11/51 FIXED 2 | 0.44% | $33.37M |
| — | FNMA TBA 30 YR 3.5 SINGLE FAMILY MORTGAGE | 0.43% | $32.49M |
| — | FNMA TBA 30 YR 4.5 SINGLE FAMILY MORTGAGE | 0.42% | $31.68M |
| — | FNMA POOL FS2040 FN 02/52 FIXED VAR | 0.41% | $31.36M |
| — | FED HM LN PC POOL SD8408 FR 03/54 FIXED 5.5 | 0.41% | $30.86M |
| — | FED HM LN PC POOL SD8193 FR 02/52 FIXED 2 | 0.41% | $30.75M |
| — | FED HM LN PC POOL SD8177 FR 11/51 FIXED 2 | 0.40% | $30.58M |
| — | GNMA II POOL MB1216 G2 06/56 FIXED 5 | 0.39% | $29.55M |
| — | FED HM LN PC POOL RQ0118 FR 05/56 FIXED 5 | 0.39% | $29.44M |
| — | GNMA II POOL MB0871 G2 01/56 FIXED 5 | 0.38% | $29.16M |
| — | FED HM LN PC POOL RQ0056 FR 10/55 FIXED 5.5 | 0.38% | $28.81M |
| — | FED HM LN PC POOL SD8167 FR 09/51 FIXED 2.5 | 0.38% | $28.79M |