Effective July 28, 2025, Thomson Reuters Corp (TRI) officially joined the Nasdaq‑100 Index and the Nasdaq‑100 Equal Weighted Index, replacing ANSYS, Inc. in a quarterly reshuffle. This move signals Thomson Reuters’ growing stature in the information services and technology sectors, and reflects Nasdaq’s continued pivot toward companies with global data capabilities and diversified tech offerings.
The change also affects Thomson Reuters’ inclusion in several related indices such as the Nasdaq‑100 Tech Sector Index, Nasdaq‑100 ESG Index, and Select Equal Weight Index. This expanded presence strengthens its profile within U.S. equity markets and brings it alongside major Nasdaq-listed firms like Apple, Microsoft, and Amazon. The upgrade boosts TRI’s exposure to institutional investors and index-tracking funds, increasing trading volume, liquidity, and long-term visibility.
Following the announcement, Thomson Reuters’ shares rose modestly in pre-market trading, reflecting investor anticipation of increased passive fund demand. Inclusion in a major index like the Nasdaq‑100 typically draws attention from both active and passive investors, reinforcing the company’s valuation and expanding its market reach.
Thomson Reuters, long known for its role in media and financial information, has increasingly shifted its strategic focus toward artificial intelligence, data analytics, legal tech, and enterprise-grade solutions. This realignment has positioned it more squarely within the kind of tech-driven innovation that Nasdaq now emphasizes in its flagship index. By comparison, ANSYS—a well-regarded engineering simulation software firm—represents a more narrowly focused legacy model, and its recent acquisition by Synopsys rendered it ineligible for continued inclusion.
The company’s entry into the Nasdaq‑100 follows its February 2025 migration from the New York Stock Exchange to Nasdaq’s Global Select Market, a decision that cleared the path for index eligibility. That transition underscored a deliberate effort by Thomson Reuters to align more closely with the tech sector and its valuation metrics.
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Nasdaq-100 index inclusion criteria are strict. Eligible companies must be exclusively listed on Nasdaq, meet minimum liquidity and market capitalization thresholds, and comply with transparency and reporting standards. While the index undergoes a formal annual reconstitution in December, adjustments like this one are made when existing components are acquired, delisted, or no longer meet listing criteria.
For Thomson Reuters, joining the Nasdaq‑100 not only represents a symbolic achievement but also offers tangible benefits. These include broader institutional ownership, greater analyst coverage, and enhanced credibility with tech-focused investors. It also positions the company to potentially attract more long-term capital from passive strategies, which now account for a significant share of global equity investment.
The removal of ANSYS from the index underscores the evolving nature of Nasdaq’s portfolio composition. As investors gravitate toward scalable, global, data-powered platforms, firms like Thomson Reuters stand to gain. The shift highlights broader trends in market priorities—away from domain-specific engineering tools and toward companies offering end-to-end solutions across legal, regulatory, financial, and media sectors.
Thomson Reuters’ ability to capitalize on this elevated platform will depend on its execution in high-growth areas such as AI-powered legal research, compliance automation, and real-time business intelligence. Analysts suggest that its expanded visibility will support further product development and strategic acquisitions, particularly in enterprise data and software-as-a-service models.
As Thomson Reuters settles into its new role among Nasdaq’s top-tier companies, its progress will be closely watched by investors and industry peers alike. The index upgrade not only affirms the company’s current standing but may also accelerate its ambitions to play a larger role in the future of global business information.
