June 30 (Reuters) - SentinelOne Inc, a cybersecurity firm backed by billionaire investor Daniel Loeb's hedge fund Third Point, notched a market capitalization of more than $11.7 billion in its U.S. stock market debut on Wednesday, as its share price jumped more than 31%. (Reporting by Sohini Podder in Bengaluru; Editing by Krishna Chandra Eluri)