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 8 sales; 1,173 institutions reported holding it in 13F filings for Q2 2026, worth $32.4B in total; no superinvestor holds it.
13F holders, Q2 2024
Institutional positions in Iron Mountain Inc as of Jun 30, 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
- 967
- +42 vs. Q1 2024
- Shares held
- 248.0M
- +11.4M (+4.8%) vs. Q1 2024
- Total value
- $22.2B
- +$3.28B (+17.3%) vs. Q1 2024
- New holders
- 105
- 327 more added
- Sold out
- 63
- 374 more reduced
13 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2024: 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, Q2 2024
Shares, value and share of portfolio for each institution holding Iron Mountain Inc; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| First Trust Advisors LP | 207,769 | $18.6M | 0.02% | −27,124−11.5% | Reduced |
| Manufacturers Life Insurance Company, The | 205,498 | $18.4M | 0.02% | +363+0.2% | Added |
| Dana Investment Advisors, Inc. | 196,201 | $17.6M | 0.59% | −34,849−15.1% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 191,786 | $17.2M | 0.02% | −9,814−4.9% | Reduced |
| Pinebridge Investments, L.P. | 186,160 | $16.7M | 0.14% | −42,032−18.4% | Reduced |
| United Capital Financial Advisers, LLC | 185,848 | $16.7M | 0.14% | −29,605−13.7% | Reduced |
| Handelsbanken Fonder AB | 185,739 | $16.6M | 0.07% | +12,793+7.4% | Added |
| Allianz Asset Management GmbH | 178,340 | $16.0M | 0.03% | −27,164−13.2% | Reduced |
| Churchill Management Corp | 177,255 | $15.9M | 0.19% | −2,980−1.7% | Reduced |
| QRG Capital Management, Inc. | 174,781 | $15.7M | 0.19% | −3,372−1.9% | Reduced |
| Cetera Investment Advisers | 173,195 | $15.5M | 0.04% | −56,668−24.7% | Reduced |
| State of Alaska, Department of Revenue | 172,664 | $15.5M | 0.17% | +2,637+1.6% | Added |
| Resona Asset Management Co.,Ltd. | 169,971 | $15.2M | 0.09% | +5,986+3.7% | Added |
| State of Wisconsin Investment Board | 168,235 | $15.1M | 0.04% | −598−0.4% | Reduced |
| Voya Investment Management LLC | 166,704 | $14.9M | 0.01% | +29,322+21.3% | Added |
| Brookfield Asset Management Inc. | 165,526 | $14.8M | 0.09% | +119,952+263.2% | Added |
| Trust Co of Virginia | 165,112 | $14.8M | 1.41% | −2,660−1.6% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 160,057 | $14.3M | 0.05% | −1,644−1.0% | Reduced |
| Franklin Resources Inc | 157,681 | $14.1M | 0.00% | +37,493+31.2% | Added |
| Storebrand Asset Management AS | 154,227 | $13.8M | 0.05% | −1,020−0.7% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 154,182 | $13.8M | 0.03% | −15,340−9.0% | Reduced |
| Burney Co | 153,929 | $13.8M | 0.53% | −12,973−7.8% | Reduced |
| State of Tennessee, Treasury Department | 153,360 | $13.7M | 0.05% | −24,261−13.7% | Reduced |
| STRS Ohio | 151,909 | $13.6M | 0.05% | +83,209+121.1% | Added |
| Cambridge Investment Research Advisors, Inc. | 151,334 | $13.6M | 0.05% | −3,074−2.0% | Reduced |
| Railway Pension Investments Ltd | 147,900 | $13.3M | 0.16% | +96,600+188.3% | Added |
| Intech Investment Management LLC | 147,714 | $13.2M | 0.16% | +93,223+171.1% | Added |
| Nippon Life Global Investors Americas, Inc. | 145,600 | $13.1M | 0.58% | +145,600 | New |
| Toronto Dominion Bank | 144,066 | $12.9M | 0.02% | −22,842−13.7% | Reduced |
| Nisa Investment Advisors, LLC | 141,836 | $12.8M | 0.08% | +650+0.5% | Added |
| Eagle Asset Management Inc | 140,544 | $12.6M | 0.07% | 00.0% | Unchanged |
| Danske Bank A/S | 139,056 | $12.5M | 0.05% | −15,500−10.0% | Reduced |
| Sheaff Brock Investment Advisors, LLC | 139,035 | $12.5M | 1.16% | −14,611−9.5% | Reduced |
| Mutual Advisors, LLC | 121,994 | $12.1M | 0.37% | −5,683−4.5% | Reduced |
| Ar Asset Management Inc | 130,600 | $11.7M | 2.82% | 00.0% | Unchanged |
| Treasurer of the State of North Carolina | 130,280 | $11.7M | 0.05% | −2,717−2.0% | Reduced |
| Royal London Asset Management Ltd | 129,845 | $11.6M | 0.03% | −1,410−1.1% | Reduced |
| Allspring Global Investments Holdings, LLC | 128,206 | $11.5M | 0.02% | −1,747−1.3% | Reduced |
| IFM Investors Pty Ltd | 128,171 | $11.5M | 0.12% | +67,910+112.7% | Added |
| Sargent Investment Group, LLC | 126,360 | $11.3M | 2.31% | −9,566−7.0% | Reduced |
| Credit Agricole S A | 124,173 | $11.1M | 0.07% | +35,177+39.5% | Added |
| HighTower Advisors, LLC | 123,645 | $11.1M | 0.02% | −9,744−7.3% | Reduced |
| Mackenzie Financial Corp | 121,945 | $10.9M | 0.02% | −8,664−6.6% | Reduced |
| Colony Group, LLC | 121,012 | $10.8M | 0.04% | +46,290+61.9% | Added |
| Snowden Capital Advisors LLC | 119,899 | $10.8M | 0.32% | −1,272−1.0% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 120,276 | $10.8M | 0.01% | −15,406−11.4% | Reduced |
| James Hambro & Partners | 120,104 | $10.8M | 0.50% | −3,286−2.7% | Reduced |
| SG Americas Securities, LLC | 119,686 | $10.7M | 0.07% | −19,879−14.2% | Reduced |
| Advisor Group Holdings, Inc. | 118,441 | $10.6M | 0.03% | −13,100−10.0% | Reduced |
| Susquehanna International Group, LLP | 118,264 | $10.6M | 0.02% | +48,133+68.6% | Added |
| Guggenheim Capital LLC | 117,752 | $10.6M | 0.08% | −28,153−19.3% | Reduced |
| Vert Asset Management LLC | 117,664 | $10.5M | 4.20% | −4,239−3.5% | Reduced |
| Varma Mutual Pension Insurance Co | 117,238 | $10.5M | 0.08% | +117,238 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 115,922 | $10.4M | 0.07% | +51,822+80.8% | Added |
| Wealth Enhancement Advisory Services, LLC | 113,698 | $10.2M | 0.02% | +7,415+7.0% | Added |
| Public Employees Retirement System of Ohio | 113,047 | $10.1M | 0.04% | −799−0.7% | Reduced |
| Thrivent Financial for Lutherans | 112,542 | $10.1M | 0.02% | −1,421−1.2% | Reduced |
| Janney Montgomery Scott LLC | 109,310 | $9.80M | 0.03% | +316+0.3% | Added |
| Brookstone Capital Management | 98,425 | $9.77M | 0.16% | +11,454+13.2% | Added |
| Victory Capital Management Inc | 107,468 | $9.63M | 0.01% | −1,441−1.3% | Reduced |
| UniSuper Management Pty Ltd | 107,299 | $9.62M | 0.08% | +92,262+613.6% | Added |
| State of New Jersey Common Pension Fund D | 106,082 | $9.51M | 0.04% | −50,788−32.4% | Reduced |
| Prudential PLC | 99,224 | $8.89M | 0.06% | −31,594−24.2% | Reduced |
| Lido Advisors, LLC | 97,863 | $8.83M | 0.07% | +91,270+1,384.3% | Added |
| Creative Planning | 96,822 | $8.68M | 0.01% | +13,583+16.3% | Added |
| National Bank of Canada | 96,561 | $8.66M | 0.01% | +16,080+20.0% | Added |
| Xponance, Inc. | 96,057 | $8.61M | 0.09% | +39,442+69.7% | Added |
| Erste Asset Management GmbH | 96,100 | $8.57M | 0.11% | 00.0% | Unchanged |
| USS Investment Management Ltd | 95,176 | $8.53M | 0.07% | +3,506+3.8% | Added |
| MetLife Investment Management | 94,807 | $8.50M | 0.05% | +20,566+27.7% | Added |
| Foresight Capital Management Advisors, Inc. | 94,731 | $8.49M | 5.75% | −383−0.4% | Reduced |
| Private Advisor Group, LLC | 93,985 | $8.42M | 0.06% | +8,877+10.4% | Added |
| Vestcor Inc | 93,668 | $8.39M | 0.28% | +3,628+4.0% | Added |
| Tectonic Advisors LLC | 93,662 | $8.39M | 0.61% | +5,551+6.3% | Added |
| Susquehanna Portfolio Strategies, LLC | 91,297 | $8.18M | 0.34% | 00.0% | Unchanged |
| MML Investors Services, LLC | 90,384 | $8.10M | 0.03% | −8,449−8.5% | Reduced |
| Mercer Global Advisors Inc | 88,632 | $7.94M | 0.02% | −7,144−7.5% | Reduced |
| Salem Investment Counselors Inc | 88,506 | $7.94M | 0.26% | +3,393+4.0% | Added |
| M&T Bank Corp | 87,881 | $7.88M | 0.03% | −1,358−1.5% | Reduced |
| MinichMacGregor Wealth Management, LLC | 87,373 | $7.83M | 1.91% | +87,373 | New |
| Polar Asset Management Partners Inc. | 85,500 | $7.66M | 0.20% | −179,100−67.7% | Reduced |
| Chicago Capital, LLC | 85,092 | $7.63M | 0.23% | −940−1.1% | Reduced |
| Acadian Asset Management LLC | 84,225 | $7.54M | 0.02% | −23,010−21.5% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 80,674 | $7.23M | 0.09% | +3,079+4.0% | Added |
| Arizona State Retirement System | 80,512 | $7.22M | 0.05% | +201+0.3% | Added |
| State of Michigan Retirement System | 80,246 | $7.19M | 0.04% | +200+0.2% | Added |
| Azimuth Capital Investment Management LLC | 79,010 | $7.08M | 0.29% | +3,385+4.5% | Added |
| Corebridge Financial, Inc. | 78,164 | $7.01M | 0.04% | +78,164 | New |
| Millennium Management LLC | 78,037 | $6.99M | 0.01% | −880,480−91.9% | Reduced |
| Avantax Advisory Services, Inc. | 76,727 | $6.88M | 0.05% | +4,638+6.4% | Added |
| Sonora Investment Management Group, LLC | 84,859 | $6.81M | 0.53% | 00.0% | Unchanged |
| Hennion & Walsh Asset Management, Inc. | 75,809 | $6.79M | 0.35% | +12,540+19.8% | Added |
| Robeco Institutional Asset Management B.V. | 75,415 | $6.76M | 0.01% | −224,970−74.9% | Reduced |
| First National Trust Co | 74,779 | $6.70M | 0.28% | −32,455−30.3% | Reduced |
| Kestra Advisory Services, LLC | 73,150 | $6.60M | 0.04% | −401−0.5% | Reduced |
| Nissay Asset Management Corp | 73,440 | $6.58M | 0.04% | +3,469+5.0% | Added |
| American Assets Capital Advisers, LLC | 72,534 | $6.50M | 2.06% | +47,035+184.5% | Added |
| Marex Group plc | 72,100 | $6.46M | 0.17% | +72,100 | New |
| Nia Impact Advisors, LLC | 72,097 | $6.46M | 2.32% | −4,386−5.7% | Reduced |
| Woodstock Corp | 71,781 | $6.43M | 0.65% | −560−0.8% | Reduced |