Strategy. Under normal conditions, the Fund invests at least 80% of its net assets in equities of issuers located throughout the world that the Saturna Capital Corporation, the Funds investment adviser (the Adviser) believes demonstrate sustainable characteristics. For purposes of this investment policy, the Adviser considers issuers with sustainable characteristics to be those issuers that are generally larger, more established, consistently profitable, financially strong, and with robust policies in the areas of the environment, social responsibility, and corporate governance. Seeking to reduce risk, the Fund follows a value investment style and favors equities of more seasoned companies. The Fund favors companies trading for less than the Advisers assessment of their intrinsic value, which typically means companies with low pricing/earnings multiples, strong … Show more… Under normal conditions, the Fund invests at least 80% of its net assets in equities of issuers located throughout the world that the Saturna Capital Corporation, the Funds investment adviser (the Adviser) believes demonstrate sustainable characteristics. For purposes of this investment policy, the Adviser considers issuers with sustainable characteristics to be those issuers that are generally larger, more established, consistently profitable, financially strong, and with robust policies in the areas of the environment, social responsibility, and corporate governance. Seeking to reduce risk, the Fund follows a value investment style and favors equities of more seasoned companies. The Fund favors companies trading for less than the Advisers assessment of their intrinsic value, which typically means companies with low pricing/earnings multiples, strong balance sheets, and higher dividend yields. The Fund principally invests in equity securities of companies with market capitalizations greater than $5 billion. The equity securities in which the Fund may invest primarily include common stocks, and the Fund may also invest in securities convertible into common stocks and preferred stocks. The Adviser employs a fundamental research driven approach to stock selection and portfolio construction. The Advisers focus on sustainability considers financial and nonfinancial characteristics from diverse sources including regulatory filings, market data, and data supplied by third-party vendors. The Adviser uses that information to identify issuers with strong balance sheets, capable management teams with a track record of success, good cash flow, prospects for sustainable above-average earnings growth, and to assess issuers business models, over the long term. The Fund diversifies its investments globally, ordinarily investing in securities of companies headquartered across North America, Europe and Asia. The Fund primarily invests in securities traded in mature markets (generally, the countries belonging to the Organisation for Economic Cooperation and Development). No more than 30% of assets may be invested in companies with headquarters in countries with developing markets. The Fund may invest in securities denominated in various currencies. Accordingly, a change in the value of such currency against the US dollar may result in a corresponding change in the US dollar value of the Funds assets denominated in that currency. Such currency fluctuations tend to even out over time and are typically overshadowed by movements in share prices. Currency changes can affect the Funds income. In selecting equity securities, the Adviser employs a sustainable rating system based on its own, as well as third-party, data to identify companies believed to have robust policies in the areas of the environment, social responsibility, and corporate governance (collectively referred to as sustainability). The use of third-party data does not include third-party environmental, social, or governance ("ESG") ratings or criteria established by third parties for third-party ratings. The Advisers proprietary scoring system assesses how well a company performs relative to a blend of its industry, sector, and country peers. In addition to the financial considerations discussed above, the Adviser considers non-financial sustainability practices such as carbon emissions, water usage, renewable energy, and fair labor and supply chain practices. The Funds sustainability evaluation process considers risks and opportunities holistically, meaning an issuer will not necessarily be excluded from investment due to any one particular factor if the overall analysis results in a favorable evaluation by the Adviser. The Adviser also uses negative screening to exclude companies primarily engaged in higher sustainability risk businesses such as alcohol, tobacco, pornography, weapons, gambling, and companies in the business of fossil fuel extraction, production, or refining. The Fund generally does not invest in any company with exposure to the foregoing businesses, but may invest in a company if the company is not primarily engaged in higher sustainability risk businesses. Show less