SPAB — SPDR Portfolio Aggregate Bond ETF
Data updated: 2026-05-28
SPAB — SPDR Portfolio Aggregate Bond ETF data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Total / Aggregate Bond · $9.33B AUM · 0.03% expense ratio · 4.4% 1-yr return. From SEC regulatory filings.
SPAB Fund Overview
SPAB — SPDR Portfolio Aggregate Bond ETF is a US ETF managed by SPDR Series Trust, categorised as Long Total / Aggregate Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US ETF
- Manager: SPDR Series Trust
- Category: Long Total / Aggregate Bond
- Assets under management: $9.33B
- 1-year return: 4.4%
- Ticker: SPAB
- SEC CIK: 0001064642
- SEC series ID: S000017334
- Share class ID: C000047971
SPAB Holdings
Top 10 holdings of SPDR Portfolio Aggregate Bond ETF by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| State Street Global Advisors | 2.68% |
| State Street Global Advisors | 2.12% |
| State Street Global Advisors | 1.15% |
| United States Treasury | 0.85% |
| United States Treasury | 0.45% |
| United States Treasury | 0.44% |
| United States Treasury | 0.43% |
| United States Treasury | 0.42% |
| United States Treasury | 0.39% |
| Umbs, Tba | 0.38% |
SPAB Portfolio Allocation
Asset-class allocation of SPDR Portfolio Aggregate Bond ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 72.6% |
| Securitized | 25.3% |
| Cash & Equivalents | 5.9% |
SPAB Performance
Total returns for SPAB (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.0% |
| 1 year | 4.4% |
| 3 years (annualised) | 3.6% |
| 5 years (annualised) | 0.3% |
SPAB Risk Information
Risk metrics for SPAB, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 3.4%
SPAB Costs and Fees
SPAB costs about $3 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.03%
- Gross expense ratio: 0.03%
- Portfolio turnover: 17%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
SPAB Cashflows
Over the 12 months to 2026-03, SPDR Portfolio Aggregate Bond ETF had net inflows of $909.54M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | $261.74M |
| 2026-02 | −$15.26M |
| 2026-01 | −$165.15M |
| 2025-12 | $255.28M |
| 2025-11 | $164.90M |
| 2025-10 | $235.53M |
SPAB Debt Constituents
Largest debt holdings of SPDR Portfolio Aggregate Bond ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury | 0.85% |
| United States Treasury | 0.45% |
| United States Treasury | 0.44% |
| United States Treasury | 0.43% |
| United States Treasury | 0.42% |
| United States Treasury | 0.39% |
| United States Treasury | 0.37% |
| United States Treasury | 0.37% |
| United States Treasury | 0.37% |
| United States Treasury | 0.37% |
SPAB Prospectus and SEC Filings
Official SPDR Portfolio Aggregate Bond ETF filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Long Total / Aggregate Bond funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.