NOSIX — Stock Index Fund
Data updated: 2026-06-10
NOSIX — Stock Index Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Large Cap Blend / Core Equity · $16.63B AUM · 0.05% expense ratio · 17.7% 1-yr return. From SEC regulatory filings.
NOSIX Fund Overview
NOSIX — Stock Index Fund is a US mutual fund managed by Northern Funds, categorised as United States Large Cap Blend / Core Equity. 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: United States Large Cap Blend / Core Equity
- Assets under management: $16.63B
- 1-year return: 17.7%
- Ticker: NOSIX
- SEC CIK: 0000916620
- SEC series ID: S000001247
- Share class ID: C000003393
NOSIX Holdings
Top 10 holdings of Stock Index Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| NVIDIA Corp. | 7.45% |
| Apple, Inc. | 6.55% |
| Microsoft Corp. | 4.83% |
| Amazon.com, Inc. | 3.57% |
| Alphabet, Inc. | 2.95% |
| Broadcom, Inc. | 2.58% |
| Alphabet, Inc. | 2.36% |
| Meta Platforms, Inc. Cl A | 2.20% |
| Tesla, Inc. | 1.83% |
| Imm | 1.73% |
NOSIX Portfolio Allocation
Asset-class allocation of Stock Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 98.3% |
| Derivatives | 1.7% |
| Cash & Equivalents | 1.6% |
| Fixed Income | 0.1% |
NOSIX Performance
Total returns for NOSIX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -4.3% |
| 1 year | 17.7% |
| 3 years (annualised) | 18.2% |
| 5 years (annualised) | 12.0% |
NOSIX Risk Information
Risk metrics for NOSIX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 10.3%
NOSIX Costs and Fees
NOSIX costs about $5 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.05%
- Gross expense ratio: 0.10%
- Portfolio turnover: 3%
- Brokerage commissions: 0.04 bps of average net assets (SEC N-CEN)
NOSIX Cashflows
Over the 12 months to 2026-03, Stock Index Fund had net inflows of $84.86M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | −$4.80M |
| 2026-02 | −$496.51K |
| 2026-01 | $60.96M |
| 2025-12 | $237.06M |
| 2025-11 | −$44.80M |
| 2025-10 | −$76.28M |
NOSIX Debt Constituents
Largest debt holdings of Stock Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Tsy. 0.00% | 0.13% |
NOSIX Prospectus and SEC Filings
Official Stock Index Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Large Cap Blend / Core Equity 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.