Summit Partners Public Asset Management’s Iron Mountain IRM Stock Holding History
Bought
Maintained
Sold
Other funds holding IRM
Summit Partners Public Asset Management's IRM Position: Q2 2026 in Review
Summit Partners Public Asset Management opened a new position in Iron Mountain (IRM) in Q2 2026: 235,567 shares worth $29.8M. The stake represents 0.52% of the portfolio and ranks #61 among its holdings. This is a return to the name: Summit Partners Public Asset Management previously reported a position in IRM as recently as Q3 2025.
Summit Partners Public Asset Management first reported a position in IRM in Q1 2024 and has held it in 3 quarters since. 1,168 funds tracked by Wall St. Rank hold IRM as of Q2 2026.
- Summit Partners Public Asset Management held 235,567 shares of Iron Mountain worth $29.8M as of Q2 2026.
- Iron Mountain was a new Summit Partners Public Asset Management position in Q2 2026.
- Iron Mountain made up 0.52% of Summit Partners Public Asset Management's portfolio in Q2 2026, its #61 holding.
- Summit Partners Public Asset Management first reported a position in Iron Mountain in Q1 2024 and has held it in 3 quarters since.
- 1,168 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.
Based on Summit Partners Public Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.