Apr. 29, 2026 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Baillie Gifford U.S. Equity Growth Fund | Baillie Gifford U.S. Equity Growth Fund - Institutional & K Class Prospectus | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Investment Objective | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Baillie Gifford U.S. Equity Growth Fund seeks capital appreciation. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fees and Expenses | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
The tables below describe the fees and expenses that you may pay if you buy, hold, and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Fees (Fees paid directly from your investment) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Annual Fund Operating Expenses (Expenses that you pay each year as a percentage of the value of your investment) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Example of Expenses | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
The example below is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. It assumes that you invest $10,000 in the Fund for the time periods indicated, regardless of whether or not you redeem your shares at the end of such periods. It also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. The example below also applies any contractual expense waivers and/or expense reimbursements to the first year of each period listed in the table. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Although your actual costs may be higher or lower, based on these assumptions, your expenses would be: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Portfolio Turnover | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These transaction costs, which are not reflected in “Annual Fund Operating Expenses” or in the “Example of Expenses” above, affect the Fund’s performance. During the Fund’s most recent fiscal year, the Fund’s portfolio turnover rate was 18% of the average value of its portfolio. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Principal Investment Strategies | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
The Fund seeks to meet its objective by investing in a portfolio of equities, which include common stock and other equity securities, of issuers located in the U.S. The portfolio managers seek to identify exceptional growth businesses in the U.S. and to own them for long enough that the advantages of their business models and the strength of their cultures support positive relative performance over the long term. Under normal circumstances, the Fund invests at least 80% of its net assets (plus any borrowings for investment purposes) in common stocks and other equity securities of companies whose principal activities are in the U.S. The Fund invests in equity securities either directly or indirectly, such as through depositary receipts, and may invest in preferred stocks, convertible securities, rights and warrants. The Fund typically invests primarily in issuers with a market capitalization of more than $1.5 billion at the time of purchase and may participate in initial public offerings (“IPOs”). The portfolio managers employ a bottom-up approach to stock selection, seeking to identify companies they believe have attractive long-term growth prospects, and select companies without being constrained by a benchmark. Under normal circumstances, the intended outcome is a portfolio typically consisting of between 30 and 50 growth companies with the potential to outperform the Fund’s benchmarks over the long term. The portfolio managers focus on company research and the long-term outlook of companies and industries. Ideas can come from a wide variety of sources, including, but not limited to, research trips, company meetings, and relationships with industry thought leaders and academic institutions. Stock ideas are normally researched to assess a range of factors, including: long-term growth potential, geographic and industry positioning, competitive advantage, management, financial strength and valuation. The Fund is a non-diversified fund, which means that it may invest a relatively large percentage of its assets in a small number of issuers, industries or sectors The Fund aims to hold securities for long periods (typically at least 5 years), which generally results in relatively low portfolio turnover and is in line with the portfolio managers’ long-term investment outlook. When assessing a company’s long-term growth prospects, the portfolio managers seek to identify and to incorporate a range of factors that are material to managing the Fund’s investment risks and maximizing capital appreciation. Such factors potentially include the environmental, social, and/or governance characteristics of the company, such as stewardship, sustainable business practices, and/or corporate culture. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Performance | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
The bar chart and table below provide some indication of the risks of investing in the Fund by showing changes in the Fund’s annual total returns from year to year and by comparing the Fund’s average annual total returns with those of the Fund’s benchmarks. Past performance (before and after taxes) is not an indication of future performance. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Annual Total Returns – Institutional Class Shares(1)(2) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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(1) The inception date for Baillie Gifford U.S. Equity Growth Fund is December 5, 2016, when Baillie Gifford International, LLC purchased Class 1 shares. Classes 1‑5 of the Fund were terminated effective May 1, 2017, and Class 1 shares were converted to Class K shares. For the period from January 1, 2017 to May 1, 2017, the performance shown is for Class 1 shares and has been adjusted for the higher total annual operating expenses incurred by Institutional Class. (2) Excluding reimbursement received from the Manager, total return for 2019 was 29.72%. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Highest Quarterly Return: 55.77% (Q2, 2020) Lowest Quarterly Return: ‑38.41% (Q2, 2022) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Annual Total Returns for Periods Ended December 31, 2025 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
In the table below, after-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. After-tax returns are shown for Institutional Class shares only, and after-tax returns for other share classes will vary. Actual after-tax returns depend on your tax situation and may differ from those shown. After-tax returns shown are not relevant if you are tax-exempt or if you hold your Fund shares through a tax-advantaged account. The table compares the Fund’s returns to a broad-based securities market index, as required by relevant disclosure rules, and an additional benchmark that the Fund believes better aligns with the Fund’s investment objective and strategies. A description of the Fund’s comparative indices and details regarding the calculation of the Fund’s class-by-class performance are provided in the section of the Prospectus entitled “Additional Performance Information.” | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Updated information on the Fund’s investment performance can be obtained by visiting http://USmutualfund.bailliegifford.com. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||