BILS Performance — State Street(R) SPDR(R) Bloomberg 3-12 Month T-Bill ETF
Data updated: 2026-09-11
BILS returned +1.65% year to date and +3.83% over one year to Jun 2026. Annualised returns are +4.60% over 3 years and +3.34% over 5 years. The fund trailed its Alternative category average: $100 invested three years ago grew to $114, against $170 for the category, and to $104 over one year, against $110. Volatility over the past three years was 0.26% a year. In the 12 months to Jun 2026 the fund took in a net $34.1M, and assets reached $3.87B.
BILS Growth of $100
What $100 invested in State Street(R) SPDR(R) Bloomberg 3-12 Month T-Bill ETF grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Alternative category average over the same months.
| Period | BILS | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $104 | $110 |
| 3 years (Jul 2023 – Jun 2026) | $114 | $170 |
| 5 years (Jul 2021 – Jun 2026) | $118 | $159 |
| Since data start (Sep 2020 – Jun 2026) | $118 | $179 |
BILS Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +1.65% |
| 1 year | +3.83% |
| 3 years (annualised) | +4.60% |
| 5 years (annualised) | +3.34% |
BILS Annual Returns
Calendar-year total returns of State Street(R) SPDR(R) Bloomberg 3-12 Month T-Bill ETF, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +1.65% |
| 2025 | +4.19% |
| 2024 | +5.19% |
| 2023 | +4.96% |
| 2022 | +0.84% |
| 2021 | −0.10% |
| 2020 (Sep–Dec) | 0.00% |
BILS Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +0.3% | +0.3% | +0.3% | +0.3% | +0.3% | +0.3% | — | — | — | — | — | — |
| 2025 | +0.4% | +0.3% | +0.3% | +0.3% | +0.3% | +0.3% | +0.3% | +0.4% | +0.4% | +0.3% | +0.3% | +0.4% |
| 2024 | +0.4% | +0.3% | +0.4% | +0.4% | +0.5% | +0.4% | +0.5% | +0.5% | +0.5% | +0.3% | +0.4% | +0.4% |
| 2023 | +0.3% | +0.3% | +0.5% | +0.3% | +0.3% | +0.4% | +0.4% | +0.4% | +0.4% | +0.4% | +0.5% | +0.5% |
| 2022 | −0.1% | 0.0% | −0.1% | 0.0% | +0.1% | −0.1% | 0.0% | +0.1% | +0.1% | +0.1% | +0.3% | +0.4% |
| 2021 | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
| 2020 | — | — | — | — | — | — | — | — | 0.0% | 0.0% | 0.0% | 0.0% |
BILS Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 0.26%
- Best month: +0.52% (Aug 2024)
- Worst month: +0.26% (Feb 2026)
BILS Fund Flows
Monthly money in and out of State Street(R) SPDR(R) Bloomberg 3-12 Month T-Bill ETF, from SEC Form N-PORT.
- 12-month net flow: $34.1M
- 12-month gross sales (incl. reinvestments): $878.5M
- Sales ÷ redemptions: 1.04×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $29.8M | $49.6M | −$19.9M |
| May 2026 | $24.8M | $124.1M | −$99.3M |
| Apr 2026 | $34.7M | $114.2M | −$79.5M |
| Mar 2026 | $203.6M | $24.8M | $178.7M |
| Feb 2026 | $94.3M | $84.4M | $9.9M |
| Jan 2026 | $59.6M | $44.7M | $14.9M |
| Dec 2025 | $19.8M | $49.7M | −$29.8M |
| Nov 2025 | $89.3M | $59.6M | $29.7M |
| Oct 2025 | $99.3M | $84.6M | $14.8M |
| Sep 2025 | $44.7M | $39.8M | $4.9M |
| Aug 2025 | $134.0M | $94.4M | $39.6M |
| Jul 2025 | $44.6M | $74.5M | −$29.8M |
BILS Assets Under Management
Net assets of State Street(R) SPDR(R) Bloomberg 3-12 Month T-Bill ETF by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $3.87B |
| 2026-03-31 | $4.07B |
| 2025-12-31 | $3.85B |
| 2025-09-30 | $3.85B |
| 2025-06-30 | $3.83B |
| 2025-03-31 | $3.66B |
| 2024-12-31 | $3.26B |
| 2024-09-30 | $3.16B |
| 2024-06-30 | $2.84B |
| 2024-03-31 | $2.78B |
| 2023-12-31 | $2.93B |
| 2023-09-30 | $2.72B |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.