XBIL · NASDAQ · ETF
US Treasury 6 Month Bill ETF (XBIL) Price, Holdings & Fees
US Treasury 6 Month Bill ETF (XBIL) closed at $602.88 on Oct 9, 2026, up 0.92% from the previous close of $597.37.
Share price, past year
1Y +22.45%Monthly closing prices
| Date | Close |
|---|---|
| Oct 9, 2026 | $602.88 |
| Sep 30, 2026 | $580.98 |
| Aug 31, 2026 | $547.47 |
| Jul 31, 2026 | $538.82 |
| Jun 30, 2026 | $550.74 |
| May 29, 2026 | $523.49 |
| Apr 30, 2026 | $528.20 |
| Mar 31, 2026 | $498.03 |
| Feb 27, 2026 | $490.77 |
| Jan 30, 2026 | $506.12 |
| Dec 31, 2025 | $495.82 |
| Nov 28, 2025 | $500.46 |
| Oct 31, 2025 | $513.09 |
Key statistics
- Expense ratio
- 0.15%
- as of Dec 31, 2025
- Net assets
- $741.9M
- as of May 31, 2026
- Holdings
- 2
- as of May 31, 2026
- 52-week range
- $480.01 – $602.88
US Treasury 6 Month Bill ETF's expense ratio is 0.15%: $15.00 a year on $10,000 invested.
Holdings
US Treasury 6 Month Bill ETF held 2 investments worth $741.95M as of May 31, 2026. Its largest holding was TREASURY BILL, at 100.01% of the fund.
| # | Holding | % of fund | Value |
|---|---|---|---|
| 1 | TREASURY BILL | 100.01% | $742.00M |
| 2 | U.S. Bank Money Market Deposit Account | 0.00% | $18.54K |
Top 2 of 2 holdings, as of May 31, 2026. Percentages are of the fund's net assets.
What the fund owns
| Asset type | % of fund |
|---|---|
| Bonds and other debt | 100.01% |
| Country | % of fund |
|---|---|
| United States | 100.01% |
Shares of net assets from the fund's N-PORT report. Funds that borrow can add up to more than 100%, with borrowing (such as repurchase agreements) shown as a negative share.
Monthly total returns
Over the 3 months to May 31, 2026, US Treasury 6 Month Bill ETF's total return was +0.85%, as reported to the SEC.
| Month | Total return |
|---|---|
| May 31, 2026 | +0.28% |
| Apr 30, 2026 | +0.30% |
| Mar 31, 2026 | +0.27% |
The fund's own total returns as reported to the SEC (N-PORT), including reinvested distributions. Not the sample prices above.
Fund profile
- Name
- US Treasury 6 Month Bill ETF
- Ticker
- XBIL
- Exchange
- NASDAQ
- Fund type
- ETF
- Trust
- RBB FUND, INC.
- SEC series ID
- S000077179
- SEC CIK
- 0000831114
- Fractional shares
- Yes
Recent SEC filings
- Jul 28, 2026
- 485BPOSProspectus updateAug 31, 2026
- 485BPOSProspectus updateAug 25, 2026
- Jul 2, 2026
- 485BPOSProspectus updateJul 2, 2026
- 485BPOSProspectus updateJun 9, 2026
- May 7, 2026
- 485BPOSProspectus updateFeb 10, 2026
Shareholder reports and prospectuses are filed by RBB FUND, INC., the trust behind US Treasury 6 Month Bill ETF, and cover all of its funds.
Frequently asked questions
What is XBIL's price?
US Treasury 6 Month Bill ETF (XBIL) closed at $602.88 on Oct 9, 2026, up 0.92% from the previous close of $597.37.
What is XBIL's expense ratio?
US Treasury 6 Month Bill ETF's expense ratio is 0.15%: $15.00 a year on $10,000 invested.
What does XBIL hold?
US Treasury 6 Month Bill ETF held 2 investments worth $741.95M as of May 31, 2026. Its largest holding was TREASURY BILL, at 100.01% of the fund. Its five largest holdings were TREASURY BILL, U.S. Bank Money Market Deposit Account.
How has XBIL performed?
Over the 3 months to May 31, 2026, US Treasury 6 Month Bill ETF's total return was +0.85%, as reported to the SEC.
Sources and methodology
Holdings, net assets and monthly returns come from the fund's N-PORT filing with the SEC, as of May 31, 2026 (filed Jul 28, 2026). The expense ratio is from the fund's prospectus or shareholder report, as of Dec 31, 2025. Prices are generated sample data for development. Data sources and disclosures