What Is SPSB? State Street SPDR Portfolio Short Term Corporate Bond ETF
Last updated July 2026
Short answer
SPSB is State Street SPDR Portfolio Short Term Corporate Bond ETF, an ETF that tracks a short-duration US bond index at a 0.04% expense ratio. SPSB holds short-duration US bonds, bundled into one ticker. It charges 0.04%. It distributes about 4.39%, and that payout moves with rates rather than being fixed. It launched in 2009.
SPSB is issued by State Street SPDR and tracks a short-duration US bond index. It charges a 0.04% expense ratio, holds approximately $10.6B in assets under management, yields about 4.39%, and launched in 2009.
What is SPSB?
SPSB is State Street SPDR Portfolio Short Term Corporate Bond ETF, an ETF that tracks a short-duration US bond index at a 0.04% expense ratio. SPSB holds short-duration US bonds, bundled into one ticker. It charges 0.04%. It distributes about 4.39%, and that payout moves with rates rather than being fixed. It launched in 2009.
SPSB is issued by State Street SPDR and tracks a short-duration US bond index, so a single ticker gives you the whole portfolio of underlying holdings weighted by the index's methodology rather than by any active stock-picking.
What does SPSB hold?
SPSB does not hold a basket of individual stocks. It gets its exposure synthetically, through derivatives such as swaps and futures rather than by owning the underlying shares, so there is no conventional top-10 equity holdings list. See the description above for what SPSB actually tracks and how that exposure is built.
How do I invest in SPSB?
There are three common ways to get SPSB exposure. Buy shares (or fractional shares) of SPSB directly at any major broker that lists it. Hold it as a core position and layer more concentrated ideas on top. Or build it into a thematic portfolio in Walnut, so SPSB sits alongside other holdings that express the same thesis, with target weights you can rebalance toward. SPSB trades like a stock during market hours, so you buy it the same way you would any listed share.
New to buying funds? See how to buy an ETF, step by step.
Is SPSB a good buy?
Whether SPSB is a good buy depends less on any single call and more on your time horizon and what you already hold: it tracks a short-duration US bond index, so the real question is whether you want that exposure in your mix and at what weight. We walk through valuation, concentration, and what would have to be true for it to outperform from here in is SPSB a buy?
The bottom line on SPSB
SPSB gives you a short-duration US bond index exposure in one ticker at a 0.04% expense ratio. Most investors use it as a core holding and layer more concentrated thematic portfolios on top.
More on SPSB
Whether SPSB is worth buying today depends more on your time horizon and what you already hold than on any single call. We walk through valuation, concentration, and what would have to be true for it to outperform from here in is SPSB a buy?
SPSB yields 4.39% as of August 2026, paid by passing through the dividends of its underlying holdings. For the payout schedule, history, and how the distributions are taxed, see SPSB dividend: yield and schedule.
New to funds like SPSB? Start with what an ETF is, then how to buy an ETF, or browse the full guide to ETF investing.
Wondering how SPSB fits the portfolio you already own? Walnut is an AI investing app that connects your brokerage read-only and answers questions like that about your actual holdings: overlap, concentration, and how each position tracks the S&P 500. Compare the best AI portfolio analyzers or see the best AI investing apps in 2026.
Investing in SPSB with AI
Connect the broker you already use and ask Walnut's AI how SPSB fits what you actually hold: what it overlaps with, what it leaves you exposed to, and how it has tracked the S&P 500. Read-only by default, and you approve anything before it reaches your broker.
FAQ
What is SPSB's ticker symbol?
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SPSB, State Street SPDR Portfolio Short Term Corporate Bond ETF. Issued by State Street SPDR; tracks a short-duration US bond index. Trades during US market hours, available at every major US brokerage.
What is SPSB's expense ratio?
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0.04% as of August 2026.
What are SPSB's top holdings?
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Top holdings as of August 2026: and others. See the full holdings table above.
How can I invest in SPSB through Walnut?
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Walnut isn't a broker. Connect a brokerage and Walnut sits on top to help you build and track thematic portfolios. SPSB can be a constituent alongside individual stocks.
How do I compare SPSB to similar ETFs?
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Put a few fields side by side: the expense ratio (fees compound over decades), the index or strategy it tracks, the top holdings and how much they overlap with what you already own, the dividend yield, and the AUM, liquidity, and bid-ask spread that affect trading costs. For index funds, tracking error (how closely it follows its index) and tax efficiency matter too. SPSB's figures are above; the full method is in Walnut's guide on how to compare ETFs.
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Walnut is informational, not investment advice. Holdings weights and fund statistics on this page are approximations stamped to August 2026; verify current figures against State Street SPDR's fund page or your broker before investing.