NOBOX — Bond Index Fund
Data updated: 2026-06-10
NOBOX — Bond Index Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Total / Aggregate Bond · $2.99B AUM · 0.07% expense ratio · 4.3% 1-yr return. From SEC regulatory filings.
NOBOX Fund Overview
NOBOX — Bond Index Fund is a US mutual fund managed by Northern Funds, categorised as Long Total / Aggregate Bond. 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: Long Total / Aggregate Bond
- Assets under management: $2.99B
- 1-year return: 4.3%
- Ticker: NOBOX
- SEC CIK: 0000916620
- SEC series ID: S000015790
- Share class ID: C000043366
NOBOX Holdings
Top 10 holdings of Bond Index Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Ni US Gov T Portfolio | 4.02% |
| Northern Institutional Liquid Asset Portfolio | 0.84% |
| United States Tsy. 4.25% | 0.60% |
| United States Tsy. 4.25% | 0.50% |
| United States Tsy. 3.875% | 0.49% |
| United States Tsy. 4.625% | 0.48% |
| United States Tsy. 3.875% | 0.40% |
| United States Tsy. 3.50% | 0.40% |
| United States Tsy. 4.75% | 0.39% |
| United States Tsy. 4.25% | 0.37% |
NOBOX Portfolio Allocation
Asset-class allocation of Bond Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 73.6% |
| Securitized | 25.4% |
| Cash & Equivalents | 4.9% |
NOBOX Performance
Total returns for NOBOX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -0.1% |
| 1 year | 4.3% |
| 3 years (annualised) | 3.5% |
| 5 years (annualised) | 0.3% |
NOBOX Risk Information
Risk metrics for NOBOX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 3.5%
NOBOX Costs and Fees
NOBOX costs about $7 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.07%
- Gross expense ratio: 0.12%
- Portfolio turnover: 43%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
NOBOX Cashflows
Over the 12 months to 2026-03, Bond Index Fund had net inflows of $845.40M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | $222.26M |
| 2026-02 | $177.41M |
| 2026-01 | $79.38M |
| 2025-12 | $10.41M |
| 2025-11 | $13.78M |
| 2025-10 | $208.26M |
NOBOX Debt Constituents
Largest debt holdings of Bond Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Tsy. 4.25% | 0.60% |
| United States Tsy. 4.25% | 0.50% |
| United States Tsy. 3.875% | 0.49% |
| United States Tsy. 4.625% | 0.48% |
| United States Tsy. 3.875% | 0.40% |
| United States Tsy. 3.50% | 0.40% |
| United States Tsy. 4.75% | 0.39% |
| United States Tsy. 4.25% | 0.37% |
| United States Tsy. 4.00% | 0.36% |
| United States Tsy. 0.875% | 0.35% |
NOBOX Prospectus and SEC Filings
Official Bond Index Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Long Total / Aggregate Bond 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.