NTAUX — Tax-Advantaged Ultra-Short Fixed Income Fund
Data updated: 2026-08-28
NTAUX — Tax-Advantaged Ultra-Short Fixed Income Fund. Leveraged · $2.89B AUM · 0.25% expense ratio. Holdings, fees, performance and SEC filings.
NTAUX Fund Overview
NTAUX — Tax-Advantaged Ultra-Short Fixed Income Fund is a US mutual fund managed by Northern Funds, 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: Northern Funds
- Category: Leveraged
- Assets under management: $2.89B
- 1-year return: 3.0%
- Ticker: NTAUX
- SEC CIK: 0000916620
- SEC series ID: S000025873
- Share class ID: C000077367
NTAUX Holdings
Top 10 holdings of Tax-Advantaged Ultra-Short Fixed Income Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Minnesota Municipal G Frn | 1.38% |
| Allegheny County Hosp Frn | 1.38% |
| Main Street Natural G Var | 1.37% |
| Black Belt Energy Gas Var | 1.27% |
| Rural Water Finc. A 2.75% | 1.10% |
| California Infra. & E Var | 1.04% |
| Black Belt Energy Gas Frn | 1.00% |
| Ohio State University Var | 0.87% |
| State Of Illinois 5.25% | 0.85% |
| Bank Of Nova Scotia/t F2f | 0.84% |
NTAUX Portfolio Allocation
Asset-class allocation of Tax-Advantaged Ultra-Short Fixed Income Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 100.8% |
| Securitized | 1.7% |
| Cash & Equivalents | 0.9% |
NTAUX Performance
Total returns for NTAUX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 1.4% |
| 1 year | 3.0% |
| 3 years (annualised) | 3.8% |
| 5 years (annualised) | 2.4% |
NTAUX Risk Information
Risk metrics for NTAUX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 0.8%
NTAUX Costs and Fees
NTAUX costs about $25 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.25%
- Gross expense ratio: 0.28%
- Portfolio turnover: 94%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
NTAUX Cashflows
Over the 12 months to 2026-06, Tax-Advantaged Ultra-Short Fixed Income Fund had net outflows of $20.08M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$57.20M |
| 2026-05 | $18.90M |
| 2026-04 | −$5.61M |
| 2026-03 | −$106.56M |
| 2026-02 | $72.40M |
| 2026-01 | $20.25M |
NTAUX Debt Constituents
Largest debt holdings of Tax-Advantaged Ultra-Short Fixed Income Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Minnesota Municipal G Frn | 1.38% |
| Allegheny County Hosp Frn | 1.38% |
| Main Street Natural G Var | 1.37% |
| Black Belt Energy Gas Var | 1.27% |
| Rural Water Finc. A 2.75% | 1.10% |
| California Infra. & E Var | 1.04% |
| Black Belt Energy Gas Frn | 1.00% |
| Ohio State University Var | 0.87% |
| State Of Illinois 5.25% | 0.85% |
| Bank Of Nova Scotia/t F2f | 0.84% |
NTAUX Prospectus and SEC Filings
Official Tax-Advantaged Ultra-Short Fixed Income Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2025-07-29
- Prospectus (485BPOS) — filed 2024-07-26
- Prospectus supplement (497) — filed 2026-08-05
- Portfolio holdings (N-PORT) — filed 2026-08-28
- Portfolio holdings (N-PORT) — filed 2026-05-28
- Portfolio holdings (N-PORT) — filed 2026-02-26
- Annual census (N-CEN) — filed 2026-06-10
- Annual census (N-CEN) — filed 2025-06-12
Related Funds
Other Leveraged funds tracked on ABC INVEST:
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.