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SPDR Portfolio Mortgage Backed Bond (SPMB)



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Upturn Advisory Summary
07/11/2025: SPMB (1-star) has a low Upturn Star Rating. Not recommended to BUY.
Analysis of Past Performance
Type ETF | Historic Profit 5.06% | Avg. Invested days 43 | Today’s Advisory Consider higher Upturn Star rating |
Upturn Star Rating ![]() ![]() | Upturn Advisory Performance ![]() | ETF Returns Performance ![]() |
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Key Highlights
Volume (30-day avg) - | Beta 1.14 | 52 Weeks Range 20.64 - 22.22 | Updated Date 06/30/2025 |
52 Weeks Range 20.64 - 22.22 | Updated Date 06/30/2025 |
Upturn AI SWOT
SPDR Portfolio Mortgage Backed Bond
ETF Overview
Overview
The SPDR Portfolio Mortgage Backed Bond ETF (SPMB) seeks to provide investment results that, before fees and expenses, correspond generally to the price and yield performance of the Bloomberg Barclays U.S. Mortgage Backed Securities (MBS) Index. It offers exposure to a broad range of U.S. mortgage-backed securities.
Reputation and Reliability
State Street Global Advisors (SSGA) is a well-established and reputable ETF issuer with a long track record in the investment management industry.
Management Expertise
SSGA has extensive experience managing fixed income ETFs and a dedicated team focused on mortgage-backed securities.
Investment Objective
Goal
To provide investment results that, before fees and expenses, correspond generally to the price and yield performance of the Bloomberg Barclays U.S. Mortgage Backed Securities (MBS) Index.
Investment Approach and Strategy
Strategy: SPMB aims to replicate the Bloomberg Barclays U.S. Mortgage Backed Securities (MBS) Index, a market-weighted index representing the U.S. investment-grade fixed-rate mortgage market.
Composition The ETF primarily holds mortgage-backed securities issued by U.S. government agencies like Fannie Mae, Freddie Mac, and Ginnie Mae.
Market Position
Market Share: Data unavailable
Total Net Assets (AUM): 4070000000
Competitors
Key Competitors
- iShares MBS ETF (MBB)
- Vanguard Mortgage-Backed Securities ETF (VMBS)
- Schwab U.S. Mortgage-Backed Securities ETF (SCHM)
Competitive Landscape
The mortgage-backed securities ETF market is competitive, with several large players. SPMB's lower expense ratio can be an advantage, but other ETFs may have higher AUM and liquidity. Investors choose based on cost, tracking error, and trading volume.
Financial Performance
Historical Performance: Historical performance data unavailable.
Benchmark Comparison: Benchmark comparison data unavailable.
Expense Ratio: 0.04
Liquidity
Average Trading Volume
The average trading volume is moderate, providing sufficient liquidity for most investors.
Bid-Ask Spread
The bid-ask spread is typically narrow, indicating relatively low trading costs.
Market Dynamics
Market Environment Factors
Economic indicators like interest rates, inflation, and housing market trends significantly impact SPMB's performance. Changes in government policy related to mortgage-backed securities also play a crucial role.
Growth Trajectory
Growth depends on the overall health of the mortgage market and investor demand for fixed-income securities. Strategy and holdings remain relatively consistent.
Moat and Competitive Advantages
Competitive Edge
SPMB's primary competitive advantage is its very low expense ratio, making it an attractive option for cost-conscious investors seeking broad exposure to the U.S. mortgage-backed securities market. The ETF's backing by State Street Global Advisors adds a layer of trust and reliability. However, it does not offer any unique strategy over its competitors. This makes it a close substitute for other mortgage-backed securities ETFs.
Risk Analysis
Volatility
SPMB exhibits moderate volatility, influenced by interest rate fluctuations and credit risk within the mortgage market.
Market Risk
The primary market risk is interest rate risk; rising interest rates can negatively impact the value of mortgage-backed securities. Credit risk, though generally low due to government agency backing, is also a factor.
Investor Profile
Ideal Investor Profile
SPMB is suited for investors seeking income and diversification through exposure to the mortgage-backed securities market. Risk-averse investors seeking relatively stable returns might find this ETF appealing.
Market Risk
SPMB is suitable for long-term investors seeking steady income and diversification within a fixed-income portfolio. It is less suitable for active traders seeking high growth.
Summary
The SPDR Portfolio Mortgage Backed Bond ETF (SPMB) offers exposure to the U.S. mortgage-backed securities market with a very low expense ratio. It tracks the Bloomberg Barclays U.S. Mortgage Backed Securities (MBS) Index and primarily invests in securities issued by government agencies. Its low cost makes it attractive to cost-conscious investors seeking income and diversification. Interest rate risk is a primary consideration for potential investors, but credit risk is comparatively lower.
Peer Comparison
Sources and Disclaimers
Data Sources:
- State Street Global Advisors (SSGA) official website
- Bloomberg
- Yahoo Finance
Disclaimers:
The data provided is for informational purposes only and should not be considered investment advice. Past performance is not indicative of future results. Investment decisions should be based on individual circumstances and consultation with a financial advisor.
AI Summarization is directionally correct and might not be accurate.
Summarized information shown could be a few years old and not current.
Fundamental Rating based on AI could be based on old data.
AI-generated summaries may have inaccuracies (hallucinations). Please verify the information before taking action.
About SPDR Portfolio Mortgage Backed Bond
Exchange NYSE ARCA | Headquaters - | ||
IPO Launch date - | CEO - | ||
Sector - | Industry - | Full time employees - | Website |
Full time employees - | Website |
The fund generally invests substantially all, but at least 80%, of its total assets in the securities comprising the index and in securities that the Adviser determines have economic characteristics that are substantially identical to the economic characteristics of the securities that comprise the index. The index is designed to measure the performance of the U.S. agency mortgage pass-through segment of the U.S. investment grade bond market.

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