Gartner’s (IT) Medium-Term Growth Trajectory Remains Intact
Diamond Hill Capital's Large Cap Strategy added Gartner (NYSE: IT) to its portfolio, citing attractive valuation and intermediate-term growth. The firm noted AI-related risks and opportunities but believes the market undervalues Gartner's license. Gartner's stock has a 20.14% YTD pullback, closing at $205.35 on October 16, 2026, with a market cap of $12.96 billion.
How this was made

The 30-second read
Why it matters
The fund's initiation is a fresh data point for investors tracking institutional sentiment toward research firms.
Market read
Introduces a new institutional holder for Gartner, offering a modest signal for traders.
What to watch
Potential slowdown in enterprise spending and competition from alternative data providers.
Background
Diamond Hill Capital's Q3 2026 letter outlines portfolio performance and sector allocations, noting a new addition of Gartner.
Ticker impact
Diamond Hill Capital initiated a position in Gartner (NYSE:IT) citing slowing revenue growth and AI disruption as a buying opportunity.
potential slight upside as the market prices in the new fund buying
The fund's first-time purchase is a primary disclosure but limited in scale; impact depends on subsequent investor response.
Market effects
May highlight perceived risk in AI‑related research firms and could affect other advisory/tech research stocks.
Limited to US equity markets where Gartner trades.
Minimal global impact beyond sector peers.
Counterpoint
Fund may be overestimating the undervaluation; AI disruption could hurt Gartner more than anticipated.
Key entities
- Asset ManagerDiamond Hill Capital
Manager of the Large Cap Strategy that initiated the Gartner position.
- CompanyGartner, Inc.
Research and advisory firm (NYSE:IT) added to the fund's holdings.


