SPTU — State Street SPDR Portfolio Ultra Short T-Bill ETF
Data updated: 2026-05-28
SPTU — State Street SPDR Portfolio Ultra Short T-Bill ETF data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Leveraged · $13.79M AUM · 0.05% expense ratio. From SEC regulatory filings.
SPTU Fund Overview
SPTU — State Street SPDR Portfolio Ultra Short T-Bill ETF is a US mutual fund managed by SPDR Series Trust, categorised as Leveraged. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: SPDR Series Trust
- Category: Leveraged
- Assets under management: $13.79M
- Ticker: SPTU
- SEC CIK: 0001064642
- SEC series ID: S000095498
- Share class ID: C000264222
SPTU Holdings
Top 10 holdings of State Street SPDR Portfolio Ultra Short T-Bill ETF by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| United States Treasury | 5.47% |
| United States Treasury | 4.87% |
| United States Treasury | 3.68% |
| United States Treasury | 3.67% |
| United States Treasury | 3.67% |
| United States Treasury | 3.62% |
| United States Treasury | 3.61% |
| United States Treasury | 3.30% |
| United States Treasury | 3.30% |
| United States Treasury | 3.30% |
SPTU Portfolio Allocation
Asset-class allocation of State Street SPDR Portfolio Ultra Short T-Bill ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Cash & Equivalents | 96.7% |
| Fixed Income | 3.3% |
SPTU Performance
Total returns for SPTU (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.8% |
SPTU Costs and Fees
SPTU costs about $5 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.05%
- Gross expense ratio: 0.05%
SPTU Cashflows
Over the 12 months to 2026-03, State Street SPDR Portfolio Ultra Short T-Bill ETF had net inflows of $3.75M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | $2.75M |
| 2026-02 | $500.64K |
| 2026-01 | $0 |
| 2025-12 | $0 |
| 2025-11 | $500.84K |
| 2025-10 | $0 |
SPTU Debt Constituents
Largest debt holdings of State Street SPDR Portfolio Ultra Short T-Bill ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury | 1.82% |
| United States Treasury | 1.46% |
SPTU Prospectus and SEC Filings
Official State Street SPDR Portfolio Ultra Short T-Bill ETF filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Leveraged 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.