Thompson, Siegel & Walmsley Selects SEI's Advisors' Inner Circle Fund to Launch International Equity Fund
The fund also uses SEI's SEC-registered transfer agency, extending the services supporting TSW's return to the platform.
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Rhea-AI Summary
SEI (NASDAQ: SEIC) was selected by Thompson, Siegel & Walmsley to support its international equity mutual fund launched on November 4, 2026.
The TSW International Equity Fund (TSWWX) marks TSW's return to SEI's Advisors' Inner Circle Fund platform and restores its international equity strategy as a standalone mutual fund. The strategy invests across developed non-U.S. markets using a relative-value approach. SEI provides the fund's governance, administration, transfer agency and distribution support. The platform supported 44 clients and 127 funds as of September 30, 2026.
Positive
- Minor pointTSW's return to the AIC platform brings a mutual fund customer commitment using SEI's operational and transfer-agency services.
Negative
- None.
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Open-End Mutual Fund Provides Access to TSW's Long-Tenured International Equity Strategy Through SEI's Turnkey Fund Infrastructure
The fund, which also utilizes SEI's SEC-registered transfer agency, marks TSW's return to the AIC platform and re-establishes the firm's international equity strategy in a standalone mutual fund.
Through the AIC platform, SEI provides fund governance, administration, transfer agency, distribution support, and related operational services required to launch and maintain registered investment products. This operating model allows TSW to focus on managing investments and serving clients while SEI supports the fund's operational and regulatory framework.
Frank Natale, Managing Director at TSW, said:
"The launch of our TSW International Equity Fund marks an important milestone in expanding access to our international equity strategy. For more than two decades, TSW's International Equity team has successfully managed the strategy using a disciplined relative value approach. The mutual fund structure makes the strategy more accessible and easier to implement across portfolios and investment platforms, while offering existing clients additional flexibility beyond separate accounts. We are equally excited to continue our longstanding partnership with SEI, whose established operational platform and deep fund management expertise provide a strong foundation for the fund."
Sean Lawlor, Head of Public Markets for SEI's Investment Managers business, added:
"As managers navigate growing regulatory, operational, and distribution complexity, the ability to bring differentiated strategies to market with scale and flexibility has never been more important. TSW's return to the Advisors' Inner Circle platform reflects both the strength of our long-standing relationship and the value of a proven operating model designed to support managers as their businesses evolve. By bringing together the infrastructure, governance, and specialized fund expertise required to support a registered product, we're helping TSW bring this strategy to market efficiently while remaining focused on investment management and client engagement. We're proud to support this launch and TSW's next phase of growth."
Today, the AIC supports 44 clients and 127 funds1. SEI helped pioneer the series trust concept more than 30 years ago with an institutional-quality turnkey mutual fund operating platform. Today, the platform enables investment organizations to rapidly launch and grow mutual funds, ETFs, and interval and tender offer funds without having to build their own fund operating infrastructure. The platform is designed for asset managers seeking a more cost-effective way to operate their existing funds.
1As of Sept. 30, 2026.
About SEI®
SEI (NASDAQ: SEIC) is a leading global provider of financial technology, operations, and asset management services within the financial services industry. SEI tailors its solutions and services to help clients more effectively deploy their capital—whether that's money, time, or talent—so they can better serve their clients and achieve their growth objectives. As of Sept. 30, 2026, SEI manages, advises, or administers approximately
About SEI's Investment Managers business
SEI's Investment Managers business provides advanced operating infrastructure for investment organizations of all types to evolve and compete in a landscape of escalating business challenges. SEI's global operating platform delivers customized and integrated capabilities across a wide range of investment vehicles, strategies, and jurisdictions to investment managers and asset owners. The company's services enable users to gain scale and efficiency, keep pace with marketplace demands, and run their businesses more strategically. For more information, visit seic.com/ims.
About TSW
Thompson, Siegel & Walmsley LLC ("TSW") is an SEC-registered investment adviser founded in 1969 and located in Richmond, Virginia. TSW is an indirect wholly owned subsidiary of Perpetual Limited (Perpetual Group) and had
Thompson, Siegel & Walmsley LLC is an investment adviser registered with the U.S. Securities and Exchange Commission. Registration does not imply a certain level of skill or training. More information about TSW's investment advisory services can be found in its Form ADV Part 2 and or Form CRS, which is available upon request.
Forward-looking statements
This communication contains forward-looking statements within the meaning of the rules and regulations of the Securities and Exchange Commission. In some cases, you can identify forward-looking statements by terminology, such as "may," "will," "expect," "believe," "can," "continue," "seek," or similar expressions.
SEI's forward-looking statements include its current expectations as to:
- the ability of the TSW International Equity Fund to expand access to TSW's international equity strategy; and
- the ability of SEI's operational infrastructure and fund expertise to support broader distribution opportunities and TSW's long-term growth.
You should not place undue reliance on any forward-looking statements, as they are based on the current beliefs and expectations of management and are subject to significant risks and uncertainties, many of which are beyond management's control or are subject to change. Although management believes the assumptions upon which the forward-looking statements are based are reasonable, they could be inaccurate. Some of the risks and important factors that could cause actual results to differ from those described in SEI's forward-looking statements can be found in the "Risk Factors" section of SEI's Annual Report on Form 10-K for the year ended Dec. 31, 2025, filed with the Securities and Exchange Commission. SEI undertakes no obligation to update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise.
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SOURCE SEI Investments Company
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