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 |
|---|---|---|---|---|---|
| Manufacturers Life Insurance Company, The | 220,190 | $9.68M | 0.01% | −17,908−7.5% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 203,315 | $8.94M | 0.05% | −90,661−30.8% | Reduced |
| Gilman Hill Asset Management, LLC | 202,430 | $8.90M | 2.08% | +15,704+8.4% | Added |
| Cinctive Capital Management LP | 200,425 | $8.81M | 0.40% | +148,682+287.3% | Added |
| Robeco Institutional Asset Management B.V. | 200,402 | $8.81M | 0.03% | +110,720+123.5% | Added |
| Sargent Investment Group, LLC | 181,670 | $8.36M | 2.60% | +5,965+3.4% | Added |
| Citadel Advisors LLC | 188,910 | $8.31M | 0.01% | −54,421−22.4% | Reduced |
| Korea Investment CORP | 188,715 | $8.30M | 0.03% | +99,501+111.5% | Added |
| Susquehanna Fundamental Investments, LLC | 187,118 | $8.23M | 0.14% | +187,118 | New |
| La Financiere de L'Echiquier | 186,103 | $8.18M | 0.52% | +17,100+10.1% | Added |
| Storebrand Asset Management AS | 185,811 | $8.17M | 0.05% | −840−0.5% | Reduced |
| State of Alaska, Department of Revenue | 185,126 | $8.14M | 0.11% | +1,992+1.1% | Added |
| Commonwealth Equity Services, LLC | 184,415 | $8.11M | 0.02% | +4,085+2.3% | Added |
| First Trust Advisors LP | 182,696 | $8.03M | 0.01% | −119,022−39.4% | Reduced |
| Guggenheim Capital LLC | 179,479 | $7.89M | 0.07% | +20,585+13.0% | Added |
| Chevy Chase Trust Holdings, Inc. | 177,496 | $7.80M | 0.03% | +2,024+1.2% | Added |
| Sheaff Brock Investment Advisors, LLC | 175,307 | $7.71M | 0.94% | −4,654−2.6% | Reduced |
| Trust Co of Virginia | 170,769 | $7.51M | 0.96% | +4,920+3.0% | Added |
| Advisor Group Holdings, Inc. | 170,158 | $7.48M | 0.02% | −25,996−13.3% | Reduced |
| Mutual Advisors, LLC | 167,517 | $7.37M | 0.39% | −1,991−1.2% | Reduced |
| State of New Jersey Common Pension Fund D | 163,879 | $7.21M | 0.03% | 00.0% | Unchanged |
| Toronto Dominion Bank | 154,591 | $6.79M | 0.01% | −5,140−3.2% | Reduced |
| Public Employees Retirement System of Ohio | 151,964 | $6.68M | 0.03% | +1,384+0.9% | Added |
| Janney Montgomery Scott LLC | 146,732 | $6.45M | 0.03% | −15,087−9.3% | Reduced |
| Nisa Investment Advisors, LLC | 146,252 | $6.43M | 0.05% | +8,594+6.2% | Added |
| Ardsley Advisory Partners LP | 145,000 | $6.38M | 1.68% | +30,000+26.1% | Added |
| WealthTrust Axiom LLC | 143,563 | $6.31M | 2.41% | −2,041−1.4% | Reduced |
| Snowden Capital Advisors LLC | 142,437 | $6.26M | 0.28% | −5,565−3.8% | Reduced |
| Victory Capital Management Inc | 142,112 | $6.25M | 0.01% | +5,184+3.8% | Added |
| Standard Life Aberdeen plc | 136,981 | $6.02M | 0.02% | +37,498+37.7% | Added |
| Renaissance Technologies LLC | 134,500 | $5.91M | 0.01% | −143,200−51.6% | Reduced |
| Ar Asset Management Inc | 131,600 | $5.79M | 1.73% | 00.0% | Unchanged |
| SEI Investments Co | 130,610 | $5.74M | 0.01% | +29,251+28.9% | Added |
| Treasurer of the State of North Carolina | 130,477 | $5.74M | 0.04% | +1,660+1.3% | Added |
| Natixis | 130,211 | $5.72M | 0.03% | −128,969−49.8% | Reduced |
| EWG Elevate Inc. | 127,532 | $5.61M | 3.16% | +1,466+1.2% | Added |
| Natixis Advisors, L.P. | 125,289 | $5.51M | 0.02% | +7,920+6.7% | Added |
| BNP Paribas Arbitrage, SA | 123,642 | $5.44M | 0.01% | −20,898−14.5% | Reduced |
| CIBC World Markets Corp | 123,407 | $5.43M | 0.08% | −21,338−14.7% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 118,458 | $5.21M | 0.03% | +6,413+5.7% | Added |
| Swiss Life Asset Management Ltd | 110,753 | $4.87M | 0.08% | +12,877+13.2% | Added |
| Azimuth Capital Investment Management LLC | 109,240 | $4.80M | 0.26% | −5,585−4.9% | Reduced |
| Amalgamated Bank | 107,163 | $4.71M | 0.05% | −6,139−5.4% | Reduced |
| Sonora Investment Management Group, LLC | 94,664 | $4.61M | 0.59% | +1,000+1.1% | Added |
| Daiwa Securities Group Inc. | 102,627 | $4.51M | 0.04% | +456+0.4% | Added |
| Berger Financial Group, Inc | 102,202 | $4.49M | 0.66% | +1,361+1.3% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 92,184 | $4.49M | 0.06% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 101,914 | $4.48M | 0.02% | +47,679+87.9% | Added |
| Royal London Asset Management Ltd | 101,149 | $4.45M | 0.02% | 00.0% | Unchanged |
| M&T Bank Corp | 100,988 | $4.44M | 0.02% | −1,184−1.2% | Reduced |
| Cetera Advisor Networks LLC | 100,611 | $4.42M | 0.05% | +17,312+20.8% | Added |
| Truist Financial Corp | 98,077 | $4.31M | 0.01% | −12,232−11.1% | Reduced |
| State of Wisconsin Investment Board | 97,111 | $4.27M | 0.01% | −29,795−23.5% | Reduced |
| Erste Asset Management GmbH | 97,200 | $4.26M | 0.10% | +9,900+11.3% | Added |
| Burney Co | 96,634 | $4.25M | 0.23% | +56+0.1% | Added |
| Jane Street Group, LLC | 93,777 | $4.12M | 0.01% | +66,856+248.3% | Added |
| Forsta Ap-Fonden | 93,700 | $4.12M | 0.05% | +6,600+7.6% | Added |
| Ergoteles LLC | 93,496 | $4.11M | 0.14% | −141,222−60.2% | Reduced |
| Fifth Third Bancorp | 93,356 | $4.11M | 0.02% | −1,352−1.4% | Reduced |
| Foresight Capital Management Advisors, Inc. | 93,345 | $4.10M | 7.07% | −5,745−5.8% | Reduced |
| Chicago Capital, LLC | 92,156 | $4.05M | 0.23% | −300−0.3% | Reduced |
| Baker Ellis Asset Management LLC | 90,767 | $3.99M | 0.87% | −16,851−15.7% | Reduced |
| PFS Investments Inc. | 90,256 | $3.97M | 0.09% | +6,887+8.3% | Added |
| Allspring Global Investments Holdings, LLC | 89,569 | $3.94M | 0.01% | +49,901+125.8% | Added |
| Macquarie Group Ltd | 88,134 | $3.88M | 0.00% | +3,590+4.2% | Added |
| Siemens Fonds Invest GmbH | 86,715 | $3.81M | 0.44% | +2,638+3.1% | Added |
| Andra AP-fonden | 86,600 | $3.81M | 0.12% | −9,900−10.3% | Reduced |
| Ensign Peak Advisors, Inc | 86,436 | $3.80M | 0.01% | +17,710+25.8% | Added |
| MetLife Investment Management | 86,078 | $3.78M | 0.03% | −1,004−1.2% | Reduced |
| Meiji Yasuda Asset Management Co Ltd. | 84,913 | $3.73M | 0.22% | +43+0.1% | Added |
| TD Private Client Wealth LLC | 83,683 | $3.68M | 0.19% | −683−0.8% | Reduced |
| Salem Investment Counselors Inc | 81,773 | $3.64M | 0.17% | +6,545+8.7% | Added |
| American International Group, Inc. | 82,185 | $3.61M | 0.03% | −1,899−2.3% | Reduced |
| Moors & Cabot, Inc. | 81,169 | $3.57M | 0.27% | +488+0.6% | Added |
| Arizona State Retirement System | 79,779 | $3.51M | 0.04% | −1,110−1.4% | Reduced |
| Woodstock Corp | 78,661 | $3.46M | 0.51% | −7,200−8.4% | Reduced |
| State of Michigan Retirement System | 78,646 | $3.46M | 0.03% | +200+0.3% | Added |
| Westpac Banking Corp | 78,538 | $3.45M | 0.05% | −8,022−9.3% | Reduced |
| Cubist Systematic Strategies, LLC | 77,968 | $3.43M | 0.03% | +39,691+103.7% | Added |
| Truvestments Capital LLC | 76,772 | $3.38M | 2.13% | +3,501+4.8% | Added |
| Hourglass Capital, LLC | 76,700 | $3.37M | 1.28% | +23,450+44.0% | Added |
| Comerica Bank | 69,717 | $3.33M | 0.03% | −541−0.8% | Reduced |
| Avantax Advisory Services, Inc. | 75,406 | $3.32M | 0.05% | +4,485+6.3% | Added |
| Private Advisor Group, LLC | 75,304 | $3.31M | 0.04% | −27,028−26.4% | Reduced |
| MML Investors Services, LLC | 74,190 | $3.26M | 0.02% | +13,068+21.4% | Added |
| USS Investment Management Ltd | 73,660 | $3.24M | 0.05% | −14,390−16.3% | Reduced |
| Teacher Retirement System of Texas | 73,282 | $3.22M | 0.02% | +25,055+52.0% | Added |
| National Asset Management, Inc. | 73,094 | $3.21M | 0.10% | +6,497+9.8% | Added |
| Wealthfront Advisers LLC | 72,383 | $3.18M | 0.02% | −23,902−24.8% | Reduced |
| New York Life Investment Management LLC | 71,361 | $3.14M | 0.04% | +24,959+53.8% | Added |
| ProShare Advisors LLC | 70,182 | $3.09M | 0.01% | −6,328−8.3% | Reduced |
| HighTower Advisors, LLC | 69,499 | $3.05M | 0.01% | +3,526+5.3% | Added |
| Schonfeld Strategic Advisors LLC | 68,039 | $2.99M | 0.03% | −1,018−1.5% | Reduced |
| Oliver Luxxe Assets LLC | 67,233 | $2.96M | 0.92% | −210.0% | Reduced |
| Peapack Gladstone Financial Corp | 65,890 | $2.90M | 0.06% | +6,340+10.6% | Added |
| Nepsis, Inc. | 64,517 | $2.84M | 1.03% | +1,558+2.5% | Added |
| American Trust Investment Advisors, LLC | 63,796 | $2.81M | 1.80% | −10,331−13.9% | Reduced |
| Nissay Asset Management Corp | 63,693 | $2.80M | 0.03% | +2,976+4.9% | Added |
| Vert Asset Management LLC | 63,104 | $2.77M | 2.63% | +8,140+14.8% | Added |
| Catalyst Capital Advisors LLC | 61,700 | $2.71M | 0.10% | −1,650−2.6% | Reduced |