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S000049700 [Member] Investment Strategy - Bridge Builder International Equity Fund
Jun. 30, 2026
Prospectus [Line Items]  
Strategy [Heading] Principal Investment Strategies
Strategy Narrative [Text Block]
The Fund invests, under normal market conditions, at least 80% of its net assets (plus the amount of borrowings for investment purposes) in equity securities and other instruments, such as derivative instruments with economic characteristics similar to equity securities, and investment companies that seek to track the performance of equity securities. The investment policy may be changed by the Fund upon 60 days’ prior written notice to shareholders. The Fund primarily invests in non-U.S. companies. A non-U.S. company is a company economically tied to a country other than the United States. In determining whether a company is economically tied to a country other than the United States, the Adviser or a Sub-adviser will consider whether the company:
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Is organized under the laws of a country other than the United States;
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Has a class of securities whose principal securities market is in a country other than the United States;
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Has its principal office in a country other than the United States;
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Derives 50% or more of its total revenue or profit from goods produced, sales made or services provided in one or more countries other than the United States; or
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Maintains 50% or more of its assets in one or more countries other than the United States.
Such a determination can also be based on the classifications assigned to a company by the Fund’s benchmark index provider.
The Fund may invest in companies of any capitalization. The Fund invests principally in equity securities issued by companies in developed countries but, consistent with its 80% investment policy, the Fund may also invest in companies in emerging markets or developing countries. The Fund may also invest in U.S. dollar-denominated securities issued by foreign entities, American Depositary Receipts (“ADRs”), or Global Depositary Receipts (“GDRs”). The Fund may also invest in other investment companies, including other open-end or closed-end investment companies and exchange-traded funds (“ETFs”), that have characteristics that are consistent with the Fund’s investment strategies. The Fund may also invest a portion of its assets in securities of real estate investment trusts (“REITs”), which are companies that own and/or manage real estate properties. The Fund may also buy or sell derivatives, principally futures contracts, currency forwards and total return swaps, for cash equitization purposes, and forward contracts and options for currency hedging. Any investment companies or derivatives that provide exposure to the investment focus suggested by the Fund’s name or, with respect to derivatives, to one or more of the market risk factors associated with the investment focus suggested by the Fund’s name, are counted toward compliance with the Fund’s 80% investment policy.
The Fund will enter into spot currency contracts to facilitate settlement of securities transactions and may enter into these contracts in order to “lock in” the U.S. dollar price of a security that it plans to buy or sell. The Fund may utilize a completion portfolio, which is a supplemental group of investments used to adjust the Fund’s overall portfolio exposures. The completion portfolio serves as a risk-management tool designed to help keep the Fund within the Adviser’s desired investment ranges and exposure limits relative to its benchmark index by seeking to offset material unintended portfolio exposures.
From time to time, the Fund may also focus its investments in a particular country or geographic region, such as the United Kingdom or Japan, or in certain sectors. As of September 30, 2026, the Fund had significant exposure to securities of companies in the financials and industrials sectors.
The Fund’s portfolio is constructed by combining the investment styles and strategies of multiple sub-advisers that have been or will be retained by the Adviser (each a “Sub-adviser”). Each Sub-adviser may use both its own proprietary and external research and securities selection processes to manage its allocated portion of the Fund’s assets.
Portfolio securities may be sold at any time. Sales may occur when a Sub-adviser seeks to take advantage of what a Sub-adviser considers to be a better investment opportunity, when a Sub-adviser believes the portfolio securities no longer represent relatively attractive investment opportunities, or when a Sub-adviser believes it would be appropriate to do so in order to readjust the asset allocation of its portion of the Fund’s investment portfolio.
The Adviser is responsible for determining the amount of Fund assets to allocate to each Sub-adviser. The Adviser allocates Fund assets to the following Sub-advisers: Marathon Asset Management Limited (“Marathon-London”),
Massachusetts Financial Services Company (d/b/a MFS Investment Management) (“MFS”), Mondrian Investment Partners Limited (“Mondrian”), Pzena Investment Management, LLC (“Pzena”), Russell Investment Management, LLC (“RIM”) and WCM Investment Management, LLC (“WCM”). The Adviser may adjust allocations to the Sub-advisers at any time or make recommendations to the Board with respect to the hiring, termination, or replacement of a Sub-adviser. Below is a summary of each Sub-adviser’s principal investment strategies.
Marathon-London’s Principal Investment Strategies
Marathon-London invests primarily in equity securities of non-U.S. issuers in developed and emerging market countries. In selecting investments for the Fund, Marathon-London employs a bottom-up, fundamental investment philosophy focused on identifying attractive long-term investment opportunities that can arise as a result of certain “capital cycle” conditions. Capital cycle investing is based on the concept that the prospect of high returns will attract excessive capital and competition and the prospect of low returns will excessively depress new capital investments and discourage competition. This “capital cycle” approach to investing guides Marathon-London to invest in stocks in industries where consolidation has occurred and return on investment is expected to rise and/or where barriers to entry exist that may allow elevated return on investment to persist for longer than the market expects. Marathon-London’s long-term approach is often considered to be contrarian and its portfolio is expected to have low turnover, will seek to be well-diversified and will have a bias towards the smaller capitalization segments of the market.
MFS’s Principal Investment Strategies
MFS primarily invests in foreign equity securities, including emerging market equity securities. Equity securities include common stocks, depositary receipts, and other securities that represent an ownership interest (or right to acquire an ownership interest) in a company or other issuer. MFS focuses on investing in the stocks of companies it believes to have above average earnings growth potential compared to other companies (growth companies). MFS may invest in the securities of companies of any size.
MFS normally invests across different industries, sectors, countries, and regions, but MFS may invest a significant percentage of the Fund’s assets allocated to MFS in issuers in a single industry, sector, country, or region. MFS uses an active bottom-up investment approach to buying and selling investments for the Fund. Investments are selected by MFS primarily based on fundamental analysis of individual issuers. Quantitative screening tools that systematically evaluate issuers may also be considered.
Mondrian’s Principal Investment Strategies
Mondrian invests primarily in equity securities of non-U.S. large capitalization issuers, including the securities of emerging market companies, that in Mondrian’s opinion, are undervalued at the time of purchase based on fundamental value analysis employed by Mondrian. Mondrian employs a long-only, value investment philosophy. Portfolio construction is primarily driven by detailed bottom-up stock selection, based on rigorous dividend discount valuation analysis.
Pzena’s Principal Investment Strategies
Pzena focuses on deep value investing, seeking to identify international securities that are trading at prices substantially below their intrinsic value but have solid long-term prospects. Pzena may also invest in emerging markets securities. Pzena performs intensive fundamental research using a bottom-up security selection process.
RIM’s Principal Investment Strategies
Cash Equitization:
At the direction of the Adviser, RIM will expose all or a portion of the Fund’s cash to the performance of certain markets by purchasing derivatives (also known as “cash equitization”), which includes index futures contracts, currency forwards, and total return swaps. This is intended to cause the Fund to perform as though all or a portion of its cash were actually invested in those markets.
Completion Portfolio:
At the direction of the Adviser, RIM will employ completion portfolio strategies to seek to achieve the Adviser’s preferred portfolio positioning for the Fund and in doing so may invest in equity securities, ADRs, GDRs, other investment companies, REITs, and derivatives such as futures contracts, currency forwards, and total return swaps. RIM may use quantitative and/or rules-based processes and qualitative analysis to assess Fund characteristics and invest in securities and other instruments that RIM believes will achieve the Adviser’s preferred portfolio positioning for the Fund. At the direction of the Adviser, the strategy may be managed to offset undesired relative over- or under-weights to Fund exposures such as volatility, momentum, value, growth, capitalization size, industry, sector, country, specific securities or other factors to seek to achieve the Adviser’s preferred portfolio positioning for the Fund. RIM may utilize tools such as optimization, which involves the analysis of tradeoffs between various risk and return factors as well as turnover and transaction costs, to implement the Adviser’s preferred portfolio positioning for the Fund.
WCM’s Principal Investment Strategies
WCM uses a bottom-up approach that seeks to identify companies with attractive fundamentals, such as long-term growth in revenue and earnings, and that show a high probability for superior future growth. WCM’s investment process focuses on seeking industry leading companies that WCM believes possess growing competitive advantages; corporate cultures emphasizing strong, quality, and experienced management; low or no debt; and attractive relative valuations. WCM also considers other factors in selecting securities, including political risk, monetary policy risk, and regulatory risk.
Although WCM may invest in securities of companies of any size, WCM will generally invest in large, established multinational companies. WCM generally will invest in securities of companies located in different regions and in at least three different countries. From time to time, however, WCM may have a significant portion of its allocated assets invested in the securities of companies in one or a few countries or regions.