The funds are EdenTree Responsible & Sustainable European Equity, Fidelity American Special Situations, Sanlam Global Artificial Intelligence and Schroder Recovery.
Sheridan Admans, head of fund selection at TILLIT, said: "As value continues to gain prominence after a decade or more in the doldrums we have maintained a commitment to seeking out and adding funds that we believe are best in class in this category.
"Additionally, we have added a fund focused on artificial intelligence that also utilises AI capabilities in its decision-making process."
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Combining a value-style approach to stock picking with a sustainable qualification criteria, the managers of the EdenTree Responsible & Sustainable European Equity fund look for companies that are currently out of favour but have strong underlying fundamentals and potential for recovery.
Fidelity American Special Situations is a US equity value fund which looks for undervalued stocks that benefit from underlying long-term growth trends. The managers look for companies with high-quality, durable business models and they screen out dying industries to avoid "value traps".
Sanlam Global Artificial Intelligence is a global equity fund that invests in companies whose main activities are in developing, researching or using artificial intelligence, with AI a core part of the investment process of the fund.
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Finally, TILLIT said Schroder Recovery is one of the few traditional deep-value funds with a track record of investing in the UK spanning decades. The managers only consider stocks that fall into the cheapest 20% of the market, determined by cyclically adjusted profit based on ten-year averages.
"We are always looking for exceptional funds to add to the TILLIT Universe. The latest additions provide our clients with a wider range of investment options empowering them to stay in control of their portfolio and make great long-term investment decisions," Admans added.