How activist Mantle Ridge's presence at Cognizant can help lift the company's valuation

1. Mantle Ridge owns a 2.4% stake in Cognizant. 2. Performance improved under new CEO Ravi Kumar and Chairman Stephen Rohleder. 3. Cognizant's total shareholder return exceeds 30% post-leadership changes. 4. Company trades at a significant discount relative to peers despite improved metrics. 5. Investor interest likely to increase ahead of March 25th investor day.