Thompson, Siegel & Walmsley has launched the TSW International Equity Fund through SEI’s Advisors’ Inner Circle Fund platform. The open-end mutual fund began operating on November 4, 2026.
The fund provides access to TSW’s relative-value international equity strategy across developed markets outside the United States. The investment team has managed the underlying strategy for more than two decades.
Using a mutual fund structure makes the strategy easier to incorporate into investment platforms and client portfolios than a separately managed account. It also gives existing institutional clients another way to access the approach.
SEI provides governance, administration, transfer agency, distribution support, and related operational services. This allows TSW to concentrate on portfolio management and client engagement without building the complete infrastructure needed to operate a registered fund independently.
The launch marks TSW’s return to the Advisors’ Inner Circle platform. As of September 30, 2026, the platform supported 44 clients and 127 funds.
SEI introduced its series-trust model more than 30 years ago. The platform now supports mutual funds, exchange-traded funds, interval funds, and tender-offer funds for asset managers seeking a more efficient operating structure.
TSW managed $20.1 billion as of September 30, 2026, across U.S. and international equities, income strategies, balanced portfolios, and alternatives.
KEY QUOTES
“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.”
Frank Natale, Managing Director at Thompson, Siegel & Walmsley
