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, 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 |
|---|---|---|---|---|---|
| Xponance, Inc. | 96,057 | $8.61M | 0.09% | +39,442+69.7% | Added |
| National Bank of Canada | 96,561 | $8.66M | 0.01% | +16,080+20.0% | Added |
| Creative Planning | 96,822 | $8.68M | 0.01% | +13,583+16.3% | Added |
| Lido Advisors, LLC | 97,863 | $8.83M | 0.07% | +91,270+1,384.3% | Added |
| Prudential PLC | 99,224 | $8.89M | 0.06% | −31,594−24.2% | Reduced |
| State of New Jersey Common Pension Fund D | 106,082 | $9.51M | 0.04% | −50,788−32.4% | Reduced |
| UniSuper Management Pty Ltd | 107,299 | $9.62M | 0.08% | +92,262+613.6% | Added |
| Victory Capital Management Inc | 107,468 | $9.63M | 0.01% | −1,441−1.3% | Reduced |
| Brookstone Capital Management | 98,425 | $9.77M | 0.16% | +11,454+13.2% | Added |
| Janney Montgomery Scott LLC | 109,310 | $9.80M | 0.03% | +316+0.3% | Added |
| Thrivent Financial for Lutherans | 112,542 | $10.1M | 0.02% | −1,421−1.2% | Reduced |
| Public Employees Retirement System of Ohio | 113,047 | $10.1M | 0.04% | −799−0.7% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 113,698 | $10.2M | 0.02% | +7,415+7.0% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 115,922 | $10.4M | 0.07% | +51,822+80.8% | Added |
| Varma Mutual Pension Insurance Co | 117,238 | $10.5M | 0.08% | +117,238 | New |
| Vert Asset Management LLC | 117,664 | $10.5M | 4.20% | −4,239−3.5% | Reduced |
| Guggenheim Capital LLC | 117,752 | $10.6M | 0.08% | −28,153−19.3% | Reduced |
| Susquehanna International Group, LLP | 118,264 | $10.6M | 0.02% | +48,133+68.6% | Added |
| Advisor Group Holdings, Inc. | 118,441 | $10.6M | 0.03% | −13,100−10.0% | Reduced |
| SG Americas Securities, LLC | 119,686 | $10.7M | 0.07% | −19,879−14.2% | Reduced |
| James Hambro & Partners | 120,104 | $10.8M | 0.50% | −3,286−2.7% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 120,276 | $10.8M | 0.01% | −15,406−11.4% | Reduced |
| Snowden Capital Advisors LLC | 119,899 | $10.8M | 0.32% | −1,272−1.0% | Reduced |
| Colony Group, LLC | 121,012 | $10.8M | 0.04% | +46,290+61.9% | Added |
| Mackenzie Financial Corp | 121,945 | $10.9M | 0.02% | −8,664−6.6% | Reduced |
| HighTower Advisors, LLC | 123,645 | $11.1M | 0.02% | −9,744−7.3% | Reduced |
| Credit Agricole S A | 124,173 | $11.1M | 0.07% | +35,177+39.5% | Added |
| Sargent Investment Group, LLC | 126,360 | $11.3M | 2.31% | −9,566−7.0% | Reduced |
| IFM Investors Pty Ltd | 128,171 | $11.5M | 0.12% | +67,910+112.7% | Added |
| Allspring Global Investments Holdings, LLC | 128,206 | $11.5M | 0.02% | −1,747−1.3% | Reduced |
| Royal London Asset Management Ltd | 129,845 | $11.6M | 0.03% | −1,410−1.1% | Reduced |
| Treasurer of the State of North Carolina | 130,280 | $11.7M | 0.05% | −2,717−2.0% | Reduced |
| Ar Asset Management Inc | 130,600 | $11.7M | 2.82% | 00.0% | Unchanged |
| Mutual Advisors, LLC | 121,994 | $12.1M | 0.37% | −5,683−4.5% | Reduced |
| Sheaff Brock Investment Advisors, LLC | 139,035 | $12.5M | 1.16% | −14,611−9.5% | Reduced |
| Danske Bank A/S | 139,056 | $12.5M | 0.05% | −15,500−10.0% | Reduced |
| Eagle Asset Management Inc | 140,544 | $12.6M | 0.07% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 141,836 | $12.8M | 0.08% | +650+0.5% | Added |
| Toronto Dominion Bank | 144,066 | $12.9M | 0.02% | −22,842−13.7% | Reduced |
| Nippon Life Global Investors Americas, Inc. | 145,600 | $13.1M | 0.58% | +145,600 | New |
| Intech Investment Management LLC | 147,714 | $13.2M | 0.16% | +93,223+171.1% | Added |
| Railway Pension Investments Ltd | 147,900 | $13.3M | 0.16% | +96,600+188.3% | Added |
| Cambridge Investment Research Advisors, Inc. | 151,334 | $13.6M | 0.05% | −3,074−2.0% | Reduced |
| STRS Ohio | 151,909 | $13.6M | 0.05% | +83,209+121.1% | Added |
| State of Tennessee, Treasury Department | 153,360 | $13.7M | 0.05% | −24,261−13.7% | Reduced |
| Burney Co | 153,929 | $13.8M | 0.53% | −12,973−7.8% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 154,182 | $13.8M | 0.03% | −15,340−9.0% | Reduced |
| Storebrand Asset Management AS | 154,227 | $13.8M | 0.05% | −1,020−0.7% | Reduced |
| Franklin Resources Inc | 157,681 | $14.1M | 0.00% | +37,493+31.2% | Added |
| Chevy Chase Trust Holdings, Inc. | 160,057 | $14.3M | 0.05% | −1,644−1.0% | Reduced |
| Trust Co of Virginia | 165,112 | $14.8M | 1.41% | −2,660−1.6% | Reduced |
| Brookfield Asset Management Inc. | 165,526 | $14.8M | 0.09% | +119,952+263.2% | Added |
| Voya Investment Management LLC | 166,704 | $14.9M | 0.01% | +29,322+21.3% | Added |
| State of Wisconsin Investment Board | 168,235 | $15.1M | 0.04% | −598−0.4% | Reduced |
| Resona Asset Management Co.,Ltd. | 169,971 | $15.2M | 0.09% | +5,986+3.7% | Added |
| State of Alaska, Department of Revenue | 172,664 | $15.5M | 0.17% | +2,637+1.6% | Added |
| Cetera Investment Advisers | 173,195 | $15.5M | 0.04% | −56,668−24.7% | Reduced |
| QRG Capital Management, Inc. | 174,781 | $15.7M | 0.19% | −3,372−1.9% | Reduced |
| Churchill Management Corp | 177,255 | $15.9M | 0.19% | −2,980−1.7% | Reduced |
| Allianz Asset Management GmbH | 178,340 | $16.0M | 0.03% | −27,164−13.2% | Reduced |
| Handelsbanken Fonder AB | 185,739 | $16.6M | 0.07% | +12,793+7.4% | Added |
| United Capital Financial Advisers, LLC | 185,848 | $16.7M | 0.14% | −29,605−13.7% | Reduced |
| Pinebridge Investments, L.P. | 186,160 | $16.7M | 0.14% | −42,032−18.4% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 191,786 | $17.2M | 0.02% | −9,814−4.9% | Reduced |
| Dana Investment Advisors, Inc. | 196,201 | $17.6M | 0.59% | −34,849−15.1% | Reduced |
| Manufacturers Life Insurance Company, The | 205,498 | $18.4M | 0.02% | +363+0.2% | Added |
| First Trust Advisors LP | 207,769 | $18.6M | 0.02% | −27,124−11.5% | Reduced |
| Natixis Advisors, L.P. | 210,976 | $18.9M | 0.04% | +44,228+26.5% | Added |
| United Bank | 220,820 | $19.8M | 2.46% | −25,669−10.4% | Reduced |
| Ensign Peak Advisors, Inc | 223,686 | $20.0M | 0.04% | +30,293+15.7% | Added |
| Moran Wealth Management, LLC | 224,603 | $20.1M | 0.66% | +224,603 | New |
| Swedbank AB | 229,212 | $20.5M | 0.03% | −13,213−5.5% | Reduced |
| Commonwealth Equity Services, LLC | 230,536 | $20.7M | 0.03% | +17,362+8.1% | Added |
| Andra AP-fonden | 232,300 | $20.8M | 0.35% | −62,674−21.2% | Reduced |
| Retirement Systems of Alabama | 234,314 | $21.0M | 0.08% | −7,102−2.9% | Reduced |
| CI Private Wealth, LLC | 237,677 | $21.3M | 0.04% | −9,040−3.7% | Reduced |
| Knights of Columbus Asset Advisors LLC | 241,135 | $21.6M | 1.41% | +65,234+37.1% | Added |
| Pacer Advisors, Inc. | 241,661 | $21.7M | 0.05% | −51,252−17.5% | Reduced |
| Citigroup Inc | 247,484 | $22.2M | 0.02% | +11,386+4.8% | Added |
| BNP Paribas Arbitrage, SA | 249,420 | $22.4M | 0.02% | −147,616−37.2% | Reduced |
| New York State Teachers Retirement System | 268,054 | $24.0M | 0.05% | −19,545−6.8% | Reduced |
| TD Asset Management Inc | 271,365 | $24.3M | 0.02% | −8,510−3.0% | Reduced |
| New York State Common Retirement Fund | 277,278 | $24.8M | 0.03% | +5,157+1.9% | Added |
| Adage Capital Partners GP, L.L.C. | 281,152 | $25.2M | 0.05% | −5,200−1.8% | Reduced |
| Eventide Asset Management, LLC | 299,913 | $26.9M | 0.46% | +52,211+21.1% | Added |
| Macquarie Group Ltd | 300,758 | $27.0M | 0.03% | +125,080+71.2% | Added |
| State Board of Administration of Florida Retirement System | 308,846 | $27.7M | 0.05% | −12,646−3.9% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 329,036 | $29.5M | 0.08% | −79,032−19.4% | Reduced |
| Adell Harriman & Carpenter Inc | 332,675 | $29.8M | 2.30% | +5,117+1.6% | Added |
| Standard Life Aberdeen plc | 332,855 | $29.8M | 0.06% | +99,515+42.6% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 334,581 | $30.0M | 0.10% | +217,617+186.1% | Added |
| Royal Bank of Canada | 337,842 | $30.3M | 0.01% | −3,715−1.1% | Reduced |
| Principal Financial Group Inc | 340,766 | $30.5M | 0.02% | −6,498−1.9% | Reduced |
| Blair William & Co | 348,146 | $31.2M | 0.10% | −1,265−0.4% | Reduced |
| Raymond James & Associates | 354,082 | $31.7M | 0.02% | +5,284+1.5% | Added |
| Stifel Financial Corp | 386,517 | $34.6M | 0.04% | −75,227−16.3% | Reduced |
| National Pension Service | 398,291 | $35.7M | 0.04% | −18,837−4.5% | Reduced |
| APG Asset Management US Inc. | 400,000 | $35.9M | 0.21% | +400,000 | New |
| Great West Life Assurance Co | 406,156 | $36.4M | 0.07% | +44,022+12.2% | Added |
| Waterfront Capital Partners, LLC | 437,733 | $39.2M | 5.04% | +182,733+71.7% | Added |