SPAB — SPDR Portfolio Aggregate Bond ETF
Data updated: 2026-09-11
SPAB — SPDR Portfolio Aggregate Bond ETF. Long Total / Aggregate Bond · $9.63B AUM · 0.03% expense ratio. Holdings, fees, performance and SEC 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: $9.63B
- 1-year return: 3.8%
- 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 | 4.34% |
| United States Treasury | 0.79% |
| United States Treasury | 0.44% |
| United States Treasury | 0.43% |
| United States Treasury | 0.42% |
| United States Treasury | 0.40% |
| United States Treasury | 0.40% |
| United States Treasury | 0.39% |
| United States Treasury | 0.38% |
| United States Treasury | 0.37% |
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 | 73.2% |
| Securitized | 25.1% |
| Cash & Equivalents | 4.3% |
SPAB Performance
Total returns for SPAB (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.7% |
| 1 year | 3.8% |
| 3 years (annualised) | 4.1% |
| 5 years (annualised) | 0.1% |
SPAB Risk Information
Risk metrics for SPAB, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 3.0%
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: 91%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
SPAB Cashflows
Over the 12 months to 2026-06, SPDR Portfolio Aggregate Bond ETF had net inflows of $837.94M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$52.75M |
| 2026-05 | −$47.63M |
| 2026-04 | $432.72M |
| 2026-03 | $261.74M |
| 2026-02 | −$15.26M |
| 2026-01 | −$165.15M |
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 | 0.79% |
| United States Treasury | 0.44% |
| United States Treasury | 0.43% |
| United States Treasury | 0.42% |
| United States Treasury | 0.40% |
| United States Treasury | 0.40% |
| United States Treasury | 0.39% |
| United States Treasury | 0.38% |
| 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.
- Prospectus (485BPOS) — filed 2025-10-24
- Prospectus (485BPOS) — filed 2024-10-24
- Prospectus (485BPOS) — filed 2023-10-26
- Portfolio holdings (N-PORT) — filed 2026-08-28
- Portfolio holdings (N-PORT) — filed 2026-05-28
- Portfolio holdings (N-PORT) — filed 2026-02-26
- Annual census (N-CEN) — filed 2026-09-11
- Annual census (N-CEN) — filed 2025-09-12
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.