Iron Mountain Inc
IRM- Exchange
- NYSE
- Industry
- Real Estate Investment Trusts
- SEC CIK
- 0001020569
In the last 90 days, Iron Mountain Inc insiders filed 0 open-market purchases and 6 sales; 1,173 institutions reported holding it in 13F filings for Q2 2026, worth $32.4B in total; no superinvestor holds it.
13F holders, Q1 2024
Institutional positions in Iron Mountain Inc as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 938
- +57 vs. Q4 2023
- Shares held
- 237.3M
- +3.71M (+1.6%) vs. Q4 2023
- Total value
- $19.0B
- +$2.65B (+16.2%) vs. Q4 2023
- New holders
- 126
- 310 more added
- Sold out
- 69
- 328 more reduced
10 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting IRM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,173 | $32.4B |
| Q1 2026 | 1,090 | $25.9B |
| Q4 2025 | 1,011 | $21.4B |
| Q3 2025 | 1,017 | $25.5B |
| Q2 2025 | 1,045 | $25.5B |
| Q1 2025 | 995 | $21.1B |
| Q4 2024 | 1,067 | $24.9B |
| Q3 2024 | 1,056 | $28.8B |
| Q2 2024 | 967 | $22.2B |
| Q1 2024 | 938 | $19.0B |
| Q4 2023 | 891 | $16.4B |
| Q3 2023 | 831 | $13.7B |
| Q2 2023 | 817 | $12.9B |
| Q1 2023 | 790 | $12.0B |
| Q4 2022 | 782 | $11.4B |
| Q3 2022 | 743 | $10.0B |
| Q2 2022 | 767 | $10.9B |
| Q1 2022 | 777 | $12.4B |
| Q4 2021 | 754 | $12.0B |
| Q3 2021 | 711 | $9.94B |
| Q2 2021 | 687 | $9.70B |
| Q1 2021 | 630 | $8.44B |
Institutions, Q1 2024
Shares, value and share of portfolio for each institution holding Iron Mountain Inc; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Turtle Creek Wealth Advisors, LLC | 0 | $0 | 0.00% | −60−100.0% | Sold out |
| Creative Financial Designs Inc | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Caldwell Sutter Capital, Inc. | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| SYSTM Wealth Solutions LLC | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Ibex Wealth Advisors | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| West Paces Advisors Inc. | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Evermay Wealth Management LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Lee Danner & Bass Inc | – | – | – | – | Not filed |
| Coppell Advisory Solutions LLC | – | – | – | – | Not filed |
| Sawtooth Solutions, LLC | – | – | – | – | Not filed |
| DFPG Investments, LLC | – | – | – | – | Not filed |
| Golden State Equity Partners | – | – | – | – | Not filed |
| Hudson Portfolio Management LLC | – | – | – | – | Not filed |
| Baystate Wealth Management LLC | – | – | – | – | Not filed |
| Bartlett & Co. LLC | – | – | – | – | Not filed |
| Desjardins Global Asset Management Inc. | – | – | – | – | Not filed |
| Provence Wealth Management Group | – | – | – | – | Not filed |