Aquarius International Fund
RBB Fund, Inc.
Expense ratio
Net assets1
$799.16M
Holdings1
838
Category
International Equity
Return

Investment objective & strategy

As of Jan. 5, 2026 · prospectus

Objective. The Aquarius International Fund (the Fund) seeks capital appreciation.

Strategy. The Fund seeks to achieve its investment objective by investing, under normal circumstances, primarily in securities of companies located outside the United States, including emerging market countries. The Fund determines where a company is located, and thus, whether a company is considered to be located outside the United States by considering whether: (i) it is organized under the laws of or maintains its principal office in a country located outside the United States; (ii) its securities are principally traded on trading markets in countries located outside the United States; (iii) it derives at least 50% of its total revenue or profits from either goods produced or services performed or sales made in countries located outside the United States; or (iv) … The Fund seeks to achieve its investment objective by investing, under normal circumstances, primarily in securities of companies located outside the United States, including emerging market countries. The Fund determines where a company is located, and thus, whether a company is considered to be located outside the United States by considering whether: (i) it is organized under the laws of or maintains its principal office in a country located outside the United States; (ii) its securities are principally traded on trading markets in countries located outside the United States; (iii) it derives at least 50% of its total revenue or profits from either goods produced or services performed or sales made in countries located outside the United States; or (iv) it has at least 50% of its assets in countries located outside the United States. The Fund may invest in companies of any size capitalization. The Fund utilizes a multi-manager approach whereby the Funds assets are allocated to one or more sub-advisers (Sub-Advisers) in percentages determined at the discretion of the Funds Adviser. The Adviser also monitors Sub-Adviser trading with the dual objectives of maximizing each Sub-Advisers investment flexibility and assuring that the Fund as a whole complies with its investment restrictions. Otherwise, each Sub-Adviser acts independently from the others and utilizes its own distinct investment style in selecting securities. However, each Sub-Adviser must operate within the constraints of the Funds investment objective and strategies and the particular investment restrictions applicable to that Sub-Adviser. The Sub-Advisers will implement a number of different investment strategies and styles within the international universe. The Sub-Advisers will implement one or more of the following investment strategies summarized below: ? Developed Market A Sub-Adviser following the developed market style is expected to invest primarily in companies located in those countries included in the MSCI EAFE Index. As of October 31, 2025, the following countries were included in the MSCI EAFE Index: Australia, Austria, Belgium, Denmark, Finland, France, Germany, Hong Kong, Ireland, Israel, Italy, Japan, the Netherlands, New Zealand, Norway, Portugal, Singapore, Spain, Sweden, Switzerland and the United Kingdom. When investing in developed international markets, a Sub-Adviser may follow either a growth or a value investment style. A Sub-Adviser following a growth investment style would invest primarily in companies with consistent or accelerating growth in earnings, revenues, cash flow, and/or other financial metrics. A Sub-Adviser following a value investment style would invest primarily in companies that are out of favor and/or undervalued in comparison to their peers or their growth prospects. ? Emerging Market A Sub-Adviser following the emerging market style is expected to invest primarily in companies located in those countries included in the MSCI Emerging Markets Index. As of October 31, 2025, the following countries were included in the MSCI Emerging Markets Index: Brazil, Chile, China, Colombia, Czech Republic, Egypt, Greece, Hungary, India, Indonesia, Korea, Kuwait, Malaysia, Mexico, Peru, Philippines, Poland, Qatar, Saudi Arabia, South Africa, Taiwan, Thailand, Turkey and United Arab Emirates. ? Tax Loss Harvesting A Sub-Adviser following a tax loss harvesting style is expected to hold a portfolio of securities that will have a pre-tax return similar to the performance of the MSCI EAFE Index. The Sub-Adviser will seek to generate strong after tax returns by timing trades to avoid realizing capital gains and to harvest losses when possible. The Fund may use losses generated from the tax loss harvesting Sub-Adviser to offset gains from other Sub-Advisers. The Funds Sub-Advisers will invest primarily in equity securities, including common stocks, preferred stocks, convertible securities, sponsored and unsponsored depositary receipts, warrants and rights. In addition to purchasing equity securities on exchanges where the companies are located, the Fund may purchase equity securities on exchanges other than where their companies are domiciled (often traded as dual listed securities) or in the form of Depositary Receipts, which include American Depositary Receipts (ADRs), Global Depositary Receipts (GDRs) or similar securities. The Fund may also invest in other investment companies, including exchange-traded funds (ETFs). Investments in ETFs based on foreign market indices are considered investments outside the U.S. The Fund may enter into currency contracts (such as spot, forward and futures) to hedge foreign currency exposure. The Fund may invest a portion of its assets in fixed income securities, including securities issued by corporate and governmental issuers. The principal debt investments of the Fund will be fixed and floating rate securities with no reset terms. The Fund may also invest in companies that may experience unusual and possibly unique developments, or special situations, which may create a special opportunity for significant returns. Special situations include: significant technological improvements or important discoveries; reorganizations, recapitalizations or mergers; favorable resolutions of litigation; new management or material changes in company policies; and actual or potential changes in control of a company.

Top holdings

As of Feb. 28, 2026 · N-PORT
SecurityTickerValue% of fund
U.S. Bank Money Market Deposit Account USBFS04 $30.07M 3.76%
SAMSUNG ELECTRONICS CO LTD $24.81M 3.10%
TSMC $21.33M 2.67%
SK HYNIX INC $16.97M 2.12%
TENCENT HOLDINGS LTD $15.78M 1.97%
WEIR GROUP PLC $13.36M 1.67%
TAIWAN SEMIC MFG CO LTD SP ADR $12.71M 1.59%
ASTRAZENECA PLC $10.62M 1.33%
BAE SYSTEMS PLC $9.66M 1.21%
ROCHE HOLDINGS AG (GENUSSCHEINE) $9.16M 1.15%
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Allocation by sector

As of February 28, 2026 · N-PORT
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Portfolio moves

Nov 30, 2025 → Feb 28, 2026
Opened
65
Exited
67
Increased
124
Decreased
157
Unchanged
494

How many positions this fund opened, exited, grew, trimmed, or left unchanged between its two most recent N-PORT snapshots — net changes between point-in-time reports, not a trade log.

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Advisers

As of August 31, 2024 · N-CEN
FirmRole
Boston Partners Global Investors, Inc. Sub-adviser
Driehaus Capital Management LLC Sub-adviser
Aperio Group, LLC Sub-adviser
Altair Advisers LLC Adviser
Mawer Investment Management, Ltd Sub-adviser

Footnotes

  1. Net assets and holdings count as of February 28, 2026, from the fund's N-PORT filing.

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