BUBSX — Baird Ultra Short Bond Fund
Data updated: 2026-08-14
BUBSX — Baird Ultra Short Bond Fund. Leveraged · $9.36B AUM · 0.40% expense ratio · 3.9% 1-yr return. Holdings, fees, performance and SEC filings.
BUBSX Fund Overview
BUBSX — Baird Ultra Short Bond Fund is a US mutual fund managed by Baird Funds INC, 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: Baird Funds INC
- Category: Leveraged
- Assets under management: $9.36B
- 1-year return: 3.9%
- Ticker: BUBSX
- SEC CIK: 0001282693
- SEC series ID: S000043689
- Share class ID: C000135468
BUBSX Holdings
Top 10 holdings of Baird Ultra Short Bond Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| US Treasury N/b | 4.42% |
| US Treasury N/b | 4.26% |
| US Treasury N/b | 3.90% |
| First American Government Obli | 3.80% |
| US Treasury N/b | 1.82% |
| US Treasury N/b | 1.55% |
| US Treasury N/b | 1.50% |
| US Treasury N/b | 1.49% |
| US Treasury N/b | 1.44% |
| Bank Of America Corp. | 1.01% |
BUBSX Portfolio Allocation
Asset-class allocation of Baird Ultra Short Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 70.9% |
| Securitized | 20.7% |
| Cash & Equivalents | 7.6% |
BUBSX Performance
Total returns for BUBSX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 1.7% |
| 1 year | 3.9% |
| 3 years (annualised) | 4.9% |
| 5 years (annualised) | 3.5% |
BUBSX Risk Information
Risk metrics for BUBSX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 0.3%
BUBSX Costs and Fees
BUBSX costs about $40 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.40%
- Gross expense ratio: 0.55%
- Portfolio turnover: 88%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
BUBSX Cashflows
Over the 12 months to 2026-06, Baird Ultra Short Bond Fund had net inflows of $470.79M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$68.46M |
| 2026-05 | $19.39M |
| 2026-04 | $127.68M |
| 2026-03 | $0 |
| 2026-02 | $213.67M |
| 2026-01 | −$43.74M |
BUBSX Debt Constituents
Largest debt holdings of Baird Ultra Short Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| US Treasury N/b | 4.42% |
| US Treasury N/b | 4.26% |
| US Treasury N/b | 3.90% |
| US Treasury N/b | 1.82% |
| US Treasury N/b | 1.55% |
| US Treasury N/b | 1.50% |
| US Treasury N/b | 1.49% |
| US Treasury N/b | 1.44% |
| Bank Of America Corp. | 1.01% |
| Td Synnex Corp. | 0.77% |
BUBSX Prospectus and SEC Filings
Official Baird Ultra Short Bond Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2025-04-30
- Prospectus (485BPOS) — filed 2024-04-26
- Prospectus supplement (497) — filed 2026-05-04
- Portfolio holdings (N-PORT) — filed 2026-08-14
- Portfolio holdings (N-PORT) — filed 2026-05-15
- Portfolio holdings (N-PORT) — filed 2026-02-17
- Annual census (N-CEN) — filed 2026-03-12
- Annual census (N-CEN) — filed 2025-03-12
Related Funds
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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.