What Makes Iron Mountain Incorporated (IRM) an Attractive Long-Term Bet?

Group 1 - Baron Real Estate Fund delivered a strong performance in Q3 2025, appreciating 10.25% compared to the MSCI US REIT Index's 4.49% and the MSCI USA IMI Extended Real Estate Index's 5.65% [1] - The fund highlighted Iron Mountain Incorporated (NYSE:IRM) as a new REIT position, citing its compelling valuation and attractive long-term growth prospects [3] - Iron Mountain's revenue increased by 13% to $1.8 billion in Q3 2025, indicating strong operational performance [4] Group 2 - Iron Mountain's stock experienced a one-month return of -4.36% and a 52-week loss of 12.79%, closing at $101.15 per share with a market capitalization of $29.899 billion on November 11, 2025 [2] - Despite acknowledging Iron Mountain's potential, the company believes certain AI stocks present greater upside potential and less downside risk [4] - Iron Mountain is not among the 30 most popular stocks among hedge funds, with 47 hedge fund portfolios holding its shares at the end of Q2 2025, up from 40 in the previous quarter [4]