SPMB State Street SPDR Portfolio Mortgage Backed Bond ETF
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.
Performance
| 1M | 3M | YTD | 1Y | 3Y ann. | 5Y ann. | |
|---|---|---|---|---|---|---|
| SPMB | +1.1% | -1.7% | -1.4% | -0.6% | +4.5% | +0.0% |
| Fixed Income average (909 funds) | +0.5% | -1.4% | -0.7% | -0.4% | +2.8% | +0.1% |
Insider activity in the holdings
Open-market insider buying across this fund’s holdings over 90 days, weighted by holding weight: +$0 net.
No open-market insider buys in the holdings in the last 90 days.
Holdings · as of Nov 12, 2026
| # | Holding | Weight |
|---|---|---|
| 1 | SPMB SSI US GOV MONEY MARKET CLASS | 4.36% |
Sector breakdown
Country breakdown
Distributions
| Date | Per unit |
|---|---|
| Nov 2, 2026 | $0.0743 |
| Oct 1, 2026 | $0.0730 |
| Sep 1, 2026 | $0.0712 |
| Aug 3, 2026 | $0.0716 |
| Jul 1, 2026 | $0.0707 |
| Jun 1, 2026 | $0.0701 |
| May 1, 2026 | $0.0700 |
| Apr 1, 2026 | $0.0701 |
| Mar 2, 2026 | $0.0695 |
| Feb 2, 2026 | $0.0715 |
| Dec 18, 2025 | $0.1430 |
| Dec 1, 2025 | $0.0687 |
| Nov 3, 2025 | $0.0687 |
| Oct 1, 2025 | $0.0692 |
| Sep 2, 2025 | $0.0695 |
| Aug 1, 2025 | $0.0689 |
| Jul 1, 2025 | $0.0677 |
| Jun 2, 2025 | $0.0673 |
| May 1, 2025 | $0.0678 |
| Apr 1, 2025 | $0.0676 |
| Mar 3, 2025 | $0.0665 |
| Feb 3, 2025 | $0.0666 |
| Dec 19, 2024 | $0.1025 |
| Dec 2, 2024 | $0.0659 |
| Nov 1, 2024 | $0.0659 |
| Oct 1, 2024 | $0.0655 |
| Sep 3, 2024 | $0.0656 |
| Aug 1, 2024 | $0.0647 |
| Jul 1, 2024 | $0.0640 |
| Jun 3, 2024 | $0.0644 |
| May 1, 2024 | $0.0622 |
| Apr 1, 2024 | $0.0631 |
| Mar 1, 2024 | $0.0649 |
| Feb 1, 2024 | $0.0621 |
| Dec 18, 2023 | $0.0613 |
| Dec 1, 2023 | $0.0610 |
| Nov 1, 2023 | $0.0608 |
| Oct 2, 2023 | $0.0605 |
| Sep 1, 2023 | $0.0598 |
| Aug 1, 2023 | $0.0591 |
Members of Congress who disclosed this ETF
No member of Congress has disclosed a trade in SPMB in the filings we hold.
Fund facts, prices, performance and distributions: our market-data vendor. Holdings: the vendor and SEC Form N-PORT. Insider and Congress data: InsiderBuying. Last updated Nov 13, 2026. This is historical data, not investment advice. Report a data error