Industry Newsequitiesmidcapwestlake corporationhedge funds
Diamond Hill Adds Westlake Corporation To Midcap Strategy
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6.1
Diamond Hill Capital released its Mid Strategy fourth-quarter 2025 investor letter on March 20, 2026, reporting a 3.65% net return in Q4 versus the Russell Midcap Index's 0.16% and a 13.47% year-to-date gain versus the index's 10.60%. The letter names Westlake Corporation (NYSE:WLK) as a new addition and notes AI-related spending drove markets in 2025; Westlake closed at $111.23 on March 19, 2026, with a $14.268 billion market cap.
Scoring Rationale
Official investor letter shows solid outperformance and actionable holding change, but narrow fund-specific scope limits broader industry impact.
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