Is F/m US Treasury 6 Month Bill ETF (XBIL) a Strong ETF Right Now?

The F/m US Treasury 6 Month Bill ETF (XBIL), a smart beta fund launched in March 2023, tracks the Bloomberg US Treasury Bellwether 6M Index to provide exposure to 6-month T-bills. With over $801.96 million in assets and a 0.15% expense ratio, XBIL has delivered a 4.22% 12-month trailing dividend yield and a 4.22% one-year return as of September 29, 2025. However, the fund exhibits high concentration, with over 75% of assets in a single T-bill, and its expense ratio is higher than larger, shorter-duration alternatives like SGOV (0.09%) and BIL (0.14%), which may offer lower-cost options for similar government bond exposure.

Analysis

The F/m US Treasury 6 Month Bill ETF (XBIL) is a smart beta fund launched in March 2023, designed to provide targeted exposure to the most recent, or "on-the-run," 6-month US Treasury security. It has successfully gathered over $801.96 million in assets under management. The fund's performance metrics, including a 4.22% one-year return and a corresponding 12-month trailing dividend yield as of September 2025, reflect the prevailing interest rate environment for that maturity. Its risk profile is exceptionally low, confirmed by a beta of 0.00 and a narrow 52-week trading range of $49.99 to $50.21. A critical structural feature is its high concentration; a single Treasury Bill accounts for 75.45% of assets, a direct consequence of its specific index-tracking strategy. When compared to peers, its 0.15% annual expense ratio is higher than larger, more established short-duration Treasury ETFs like the SPDR Bloomberg 1-3 Month T-Bill ETF (BIL) at 0.14% and the iShares 0-3 Month Treasury Bond ETF (SGOV) at 0.09%, which also offer a broader maturity range.

Key Decisions for Investors

• Investors seeking precise exposure to the yield of the on-the-run 6-month US Treasury bill may find XBIL suitable, but should be aware of its strategy which results in high concentration in a single security.
• For cash management or general short-duration exposure, investors should weigh XBIL's 0.15% expense ratio against the more competitive fees of larger alternatives like SGOV (0.09%) and BIL (0.14%).
• While the fund offers a stable 4.22% trailing yield and minimal volatility, its primary use case is for tactical duration targeting rather than broad diversification across the short-term Treasury market.