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, Q3 2022
Institutional positions in Iron Mountain Inc as of Sep 30, 2022. 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
- 743
- −9 vs. Q2 2022
- Shares held
- 227.0M
- +3.02M (+1.4%) vs. Q2 2022
- Total value
- $10.0B
- −$913.1M (−8.4%) vs. Q2 2022
- New holders
- 64
- 289 more added
- Sold out
- 73
- 256 more reduced
15 institutions that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2022: 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, Q3 2022
Shares, value and share of portfolio for each institution holding Iron Mountain Inc; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Candriam Luxembourg S.C.A. | 41,720 | $1.83M | 0.01% | +21,581+107.2% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 42,518 | $1.87M | 0.02% | +212+0.5% | Added |
| RB Capital Management, LLC | 43,213 | $1.90M | 0.73% | +2,702+6.7% | Added |
| Globeflex Capital L P | 44,720 | $1.97M | 0.34% | +12,702+39.7% | Added |
| Gulf International Bank (UK) Ltd | 45,064 | $1.98M | 0.04% | 00.0% | Unchanged |
| Tectonic Advisors LLC | 45,623 | $2.01M | 0.37% | +9,263+25.5% | Added |
| The PNC Financial Services Group, Inc. | 45,763 | $2.01M | 0.00% | −8,124−15.1% | Reduced |
| Hartford Investment Management Co | 45,830 | $2.02M | 0.07% | +3,596+8.5% | Added |
| D.A. Davidson & Co. | 47,067 | $2.07M | 0.03% | +128+0.3% | Added |
| IFM Investors Pty Ltd | 47,108 | $2.07M | 0.04% | 00.0% | Unchanged |
| DnB Asset Management AS | 47,132 | $2.07M | 0.02% | −1,300−2.7% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 47,211 | $2.08M | 0.02% | −2,071−4.2% | Reduced |
| Baird Financial Group, Inc. | 47,340 | $2.08M | 0.01% | +1,368+3.0% | Added |
| Madden Securities Corp | 47,755 | $2.10M | 1.27% | −1,072−2.2% | Reduced |
| Independent Advisor Alliance | 47,809 | $2.10M | 0.12% | +3,822+8.7% | Added |
| Cetera Advisors LLC | 48,921 | $2.15M | 0.06% | −19,588−28.6% | Reduced |
| Atria Wealth Solutions, Inc. | 48,393 | $2.15M | 0.04% | −5,642−10.4% | Reduced |
| James Hambro & Partners | 49,337 | $2.17M | 0.19% | +18,338+59.2% | Added |
| AlphaCrest Capital Management LLC | 49,741 | $2.19M | 0.13% | +28,488+134.0% | Added |
| Wolverine Asset Management LLC | 50,161 | $2.21M | 0.03% | +10,968+28.0% | Added |
| Mercer Global Advisors Inc | 50,307 | $2.21M | 0.01% | +217+0.4% | Added |
| AE Wealth Management LLC | 50,271 | $2.21M | 0.02% | +3,045+6.4% | Added |
| Bramshill Investments, LLC | 50,571 | $2.22M | 0.32% | +1,238+2.5% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 50,898 | $2.24M | 0.01% | +18,248+55.9% | Added |
| Railway Pension Investments Ltd | 51,300 | $2.26M | 0.02% | +51,300 | New |
| Utah Retirement Systems | 51,614 | $2.27M | 0.04% | +600+1.2% | Added |
| Xponance, Inc. | 51,733 | $2.27M | 0.04% | +4,357+9.2% | Added |
| Werlinich Asset Management, LLC | 52,390 | $2.30M | 2.35% | −450−0.9% | Reduced |
| CIBC World Markets Inc. | 52,998 | $2.33M | 0.01% | +3,300+6.6% | Added |
| Public Sector Pension Investment Board | 53,349 | $2.35M | 0.02% | +25,400+90.9% | Added |
| Oregon Public Employees Retirement Fund | 53,530 | $2.35M | 0.03% | −1,867−3.4% | Reduced |
| Yousif Capital Management, LLC | 53,535 | $2.35M | 0.03% | −1,737−3.1% | Reduced |
| Pensionfund DSM Netherlands | 55,000 | $2.42M | 1.74% | 00.0% | Unchanged |
| Advisors Asset Management, Inc. | 55,828 | $2.46M | 0.05% | −37,621−40.3% | Reduced |
| Franklin Resources Inc | 56,675 | $2.49M | 0.00% | −4,748−7.7% | Reduced |
| HNP Capital LLC | 57,050 | $2.51M | 0.72% | −3,354−5.6% | Reduced |
| Tredje AP-fonden | 57,225 | $2.52M | 0.05% | +57,225 | New |
| Thrivent Financial for Lutherans | 58,704 | $2.58M | 0.01% | +2,654+4.7% | Added |
| Vectors Research Management, LLC | 60,038 | $2.64M | 0.75% | −2,306−3.7% | Reduced |
| NEIRG Wealth Management, LLC | 60,422 | $2.66M | 0.53% | +9,596+18.9% | Added |
| Bridgewater Associates, LP | 61,460 | $2.70M | 0.01% | +4,276+7.5% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 61,523 | $2.71M | 0.06% | +7,276+13.4% | Added |
| Catalyst Capital Advisors LLC | 61,700 | $2.71M | 0.10% | −1,650−2.6% | Reduced |
| Vert Asset Management LLC | 63,104 | $2.77M | 2.63% | +8,140+14.8% | Added |
| Nissay Asset Management Corp | 63,693 | $2.80M | 0.03% | +2,976+4.9% | Added |
| American Trust Investment Advisors, LLC | 63,796 | $2.81M | 1.80% | −10,331−13.9% | Reduced |
| Nepsis, Inc. | 64,517 | $2.84M | 1.03% | +1,558+2.5% | Added |
| Peapack Gladstone Financial Corp | 65,890 | $2.90M | 0.06% | +6,340+10.6% | Added |
| Oliver Luxxe Assets LLC | 67,233 | $2.96M | 0.92% | −210.0% | Reduced |
| Schonfeld Strategic Advisors LLC | 68,039 | $2.99M | 0.03% | −1,018−1.5% | Reduced |
| HighTower Advisors, LLC | 69,499 | $3.05M | 0.01% | +3,526+5.3% | Added |
| ProShare Advisors LLC | 70,182 | $3.09M | 0.01% | −6,328−8.3% | Reduced |
| New York Life Investment Management LLC | 71,361 | $3.14M | 0.04% | +24,959+53.8% | Added |
| Wealthfront Advisers LLC | 72,383 | $3.18M | 0.02% | −23,902−24.8% | Reduced |
| National Asset Management, Inc. | 73,094 | $3.21M | 0.10% | +6,497+9.8% | Added |
| Teacher Retirement System of Texas | 73,282 | $3.22M | 0.02% | +25,055+52.0% | Added |
| USS Investment Management Ltd | 73,660 | $3.24M | 0.05% | −14,390−16.3% | Reduced |
| MML Investors Services, LLC | 74,190 | $3.26M | 0.02% | +13,068+21.4% | Added |
| Private Advisor Group, LLC | 75,304 | $3.31M | 0.04% | −27,028−26.4% | Reduced |
| Avantax Advisory Services, Inc. | 75,406 | $3.32M | 0.05% | +4,485+6.3% | Added |
| Comerica Bank | 69,717 | $3.33M | 0.03% | −541−0.8% | Reduced |
| Hourglass Capital, LLC | 76,700 | $3.37M | 1.28% | +23,450+44.0% | Added |
| Truvestments Capital LLC | 76,772 | $3.38M | 2.13% | +3,501+4.8% | Added |
| Cubist Systematic Strategies, LLC | 77,968 | $3.43M | 0.03% | +39,691+103.7% | Added |
| Westpac Banking Corp | 78,538 | $3.45M | 0.05% | −8,022−9.3% | Reduced |
| State of Michigan Retirement System | 78,646 | $3.46M | 0.03% | +200+0.3% | Added |
| Woodstock Corp | 78,661 | $3.46M | 0.51% | −7,200−8.4% | Reduced |
| Arizona State Retirement System | 79,779 | $3.51M | 0.04% | −1,110−1.4% | Reduced |
| Moors & Cabot, Inc. | 81,169 | $3.57M | 0.27% | +488+0.6% | Added |
| American International Group, Inc. | 82,185 | $3.61M | 0.03% | −1,899−2.3% | Reduced |
| Salem Investment Counselors Inc | 81,773 | $3.64M | 0.17% | +6,545+8.7% | Added |
| TD Private Client Wealth LLC | 83,683 | $3.68M | 0.19% | −683−0.8% | Reduced |
| Meiji Yasuda Asset Management Co Ltd. | 84,913 | $3.73M | 0.22% | +43+0.1% | Added |
| MetLife Investment Management | 86,078 | $3.78M | 0.03% | −1,004−1.2% | Reduced |
| Ensign Peak Advisors, Inc | 86,436 | $3.80M | 0.01% | +17,710+25.8% | Added |
| Andra AP-fonden | 86,600 | $3.81M | 0.12% | −9,900−10.3% | Reduced |
| Siemens Fonds Invest GmbH | 86,715 | $3.81M | 0.44% | +2,638+3.1% | Added |
| Macquarie Group Ltd | 88,134 | $3.88M | 0.00% | +3,590+4.2% | Added |
| Allspring Global Investments Holdings, LLC | 89,569 | $3.94M | 0.01% | +49,901+125.8% | Added |
| PFS Investments Inc. | 90,256 | $3.97M | 0.09% | +6,887+8.3% | Added |
| Baker Ellis Asset Management LLC | 90,767 | $3.99M | 0.87% | −16,851−15.7% | Reduced |
| Chicago Capital, LLC | 92,156 | $4.05M | 0.23% | −300−0.3% | Reduced |
| Foresight Capital Management Advisors, Inc. | 93,345 | $4.10M | 7.07% | −5,745−5.8% | Reduced |
| Fifth Third Bancorp | 93,356 | $4.11M | 0.02% | −1,352−1.4% | Reduced |
| Ergoteles LLC | 93,496 | $4.11M | 0.14% | −141,222−60.2% | Reduced |
| Forsta Ap-Fonden | 93,700 | $4.12M | 0.05% | +6,600+7.6% | Added |
| Jane Street Group, LLC | 93,777 | $4.12M | 0.01% | +66,856+248.3% | Added |
| Burney Co | 96,634 | $4.25M | 0.23% | +56+0.1% | Added |
| Erste Asset Management GmbH | 97,200 | $4.26M | 0.10% | +9,900+11.3% | Added |
| State of Wisconsin Investment Board | 97,111 | $4.27M | 0.01% | −29,795−23.5% | Reduced |
| Truist Financial Corp | 98,077 | $4.31M | 0.01% | −12,232−11.1% | Reduced |
| Cetera Advisor Networks LLC | 100,611 | $4.42M | 0.05% | +17,312+20.8% | Added |
| M&T Bank Corp | 100,988 | $4.44M | 0.02% | −1,184−1.2% | Reduced |
| Royal London Asset Management Ltd | 101,149 | $4.45M | 0.02% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 101,914 | $4.48M | 0.02% | +47,679+87.9% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 92,184 | $4.49M | 0.06% | 00.0% | Unchanged |
| Berger Financial Group, Inc | 102,202 | $4.49M | 0.66% | +1,361+1.3% | Added |
| Daiwa Securities Group Inc. | 102,627 | $4.51M | 0.04% | +456+0.4% | Added |
| Sonora Investment Management Group, LLC | 94,664 | $4.61M | 0.59% | +1,000+1.1% | Added |
| Amalgamated Bank | 107,163 | $4.71M | 0.05% | −6,139−5.4% | Reduced |