Iron MountainIRM

13F holders, Q4 2024 (December 31)
1holders
0new positions
0sold out
$105.11avg. 13F price*

At the end of Q4 2024, 1 institutions reported holding Iron Mountain Inc (IRM) in their 13F filings, unchanged from Q3 2024. 0 opened new positions and 0 sold out. The largest holder was Byrne Asset Management LLC ($45K).

Company
Iron Mountain Inc
Filed as
IRON MTN INC NEW REIT (Q4 2024)
CUSIP
462846106
Latest filing quarter
Q2 2026

History

Number of 13F holders

012 Q1 2024: 2Q1 2024Q2 2024: 1Q2 2024Q3 2024: 1Q3 2024Q4 2024: 1Q4 2024Q1 2025: 1Q1 2025Q2 2025: 1Q2 2025Q3 2025: 1Q3 2025Q4 2025: 1Q4 2025Q1 2026: 2Q1 2026Q2 2026: 1Q2 2026

Total Exit/New Position Q3 2024 → Q4 2024

InstitutionsTotal Value
New Positions0$0
Exits0$0

All 13F filers, Q3 2024 → Q4 2024: 25 shares sold, net −25 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 1 holders

Byrne Asset Management LLC 0.04% Reduce -5.6% 425 $45K

"% of holder's portfolio" is IRM's weight in each manager's 13F, not the share of Iron Mountain Inc the manager owns.