TBUX vs TFLO: Differences, Returns & Fees
TBUX's duration was 0.7 years on May 31, 2026 and TFLO's 0.0 on Jul 31, 2026; TFLO charges 0.15% to TBUX's 0.17%. Net assets: $1.9bn on Oct 19, 2026 for T. Rowe Price Ultra Short-Term Bond ETF, and $7.2bn on Oct 20, 2026 for iShares Treasury Floating Rate Bond ETF.
TFLO costs 0.02 points a year less; their one-year returns differ by 0.1 points; TFLO is 3.7 times larger.
| TBUX | TFLO | |
|---|---|---|
| Expense ratio | 0.17% | 0.15% |
| Net assets, as of Oct 19, 2026 | $1.9bn | $7.2bn |
| Total return, 1 year | +3.9% | +4.0% |
| What it tracks | No index, actively managed | Bloomberg U.S. Treasury Floating Rate Index |
| Holdings in common | report dates differ | |
Holdings in common uses holdings dated May 31, 2026 and Jul 31, 2026.
TBUX and TFLO are built for the same job. How do they differ in cost, holdings and results?
- What each follows. TBUX follows No index, actively managed and TFLO follows Bloomberg U.S. Treasury Floating Rate Index.
- Number of holdings. TBUX holds 622 positions and TFLO holds 8.
- Size. TBUX has $1.9bn in net assets and TFLO $7.2bn (net assets, as of Oct 19, 2026); TFLO is 3.8 times larger.
Data as of Oct 20, 2026. The differences are picked by a fixed rule, in a fixed order; the PDF prints it. Page 2 has the returns, overlap, risks and sources.
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On the same fields
TBUX and TFLO on the fields both publish, as of Oct 20, 2026. Source: ETFIQ.
About TBUX
TBUX is actively managed and tracks no index. Over the year to Oct 20, 2026 it returned +3.9% with distributions reinvested, against −1.9% for its benchmark, the Bloomberg U.S. Aggregate Bond Index. The prospectus expense ratio is 0.17% a year.
About TFLO
TFLO tracks an index. Over the year to Oct 20, 2026 it returned +4.0% with distributions reinvested, against +4.0% for its benchmark, the Bloomberg U.S. Treasury Floating Rate Index. The prospectus expense ratio is 0.15% a year.
Questions people ask
- Which returned more over the last year, TBUX or TFLO?
- In the year to Oct 20, 2026, with distributions reinvested, TBUX returned +3.9% and TFLO +4.0%.
- Which is cheaper, TBUX or TFLO?
- TFLO is cheaper, by 0.02 percentage points a year. That is about $2 on $10,000 held for a year. Fees come from each fund's prospectus.
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ETFIQ, TBUX against TFLO, data as of Oct 20, 2026. https://etfiq.com/compare/any/tbux-vs-tflo
ETFIQ. (Oct 20, 2026). TBUX against TFLO. Retrieved from https://etfiq.com/compare/any/tbux-vs-tflo
[TBUX against TFLO (ETFIQ, Oct 20, 2026)](https://etfiq.com/compare/any/tbux-vs-tflo)
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