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 2022
Institutional positions in Iron Mountain Inc as of Mar 31, 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
- 777
- +34 vs. Q4 2021
- Shares held
- 224.6M
- −3.39M (−1.5%) vs. Q4 2021
- Total value
- $12.4B
- +$518.2M (+4.3%) vs. Q4 2021
- New holders
- 90
- 295 more added
- Sold out
- 56
- 272 more reduced
11 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2021: 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 2022
Shares, value and share of portfolio for each institution holding Iron Mountain Inc; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Storebrand Asset Management AS | 194,323 | $10.8M | 0.05% | −18,163−8.5% | Reduced |
| Sheaff Brock Investment Advisors, LLC | 193,705 | $10.7M | 0.96% | +4,074+2.1% | Added |
| NN Investment Partners Holdings N.V. | 191,476 | $10.6M | 0.06% | +84,306+78.7% | Added |
| State of Alaska, Department of Revenue | 190,109 | $10.5M | 0.11% | +1,645+0.9% | Added |
| Advisor Group Holdings, Inc. | 190,125 | $10.4M | 0.02% | +16,197+9.3% | Added |
| Commonwealth Equity Services, LLC | 184,183 | $10.2M | 0.02% | −26,705−12.7% | Reduced |
| Citadel Advisors LLC | 179,458 | $9.94M | 0.01% | +179,458 | New |
| First Trust Advisors LP | 178,088 | $9.87M | 0.01% | −170,679−48.9% | Reduced |
| Sargent Investment Group, LLC | 175,045 | $9.70M | 2.45% | +4,570+2.7% | Added |
| Chevy Chase Trust Holdings, Inc. | 174,117 | $9.65M | 0.03% | +468+0.3% | Added |
| Guggenheim Capital LLC | 169,433 | $9.39M | 0.06% | −5,603−3.2% | Reduced |
| Brookstone Capital Management | 168,059 | $9.33M | 0.18% | +28,160+20.1% | Added |
| Mutual Advisors, LLC | 167,554 | $9.28M | 0.52% | −1,707−1.0% | Reduced |
| WealthTrust Axiom LLC | 166,015 | $9.20M | 2.87% | −28,433−14.6% | Reduced |
| CIBC World Markets Corp | 163,363 | $9.05M | 0.07% | +8,294+5.3% | Added |
| Trust Co of Virginia | 162,318 | $8.99M | 0.96% | +2,050+1.3% | Added |
| Snowden Capital Advisors LLC | 161,117 | $8.93M | 0.36% | +2,682+1.7% | Added |
| Toronto Dominion Bank | 160,323 | $8.88M | 0.01% | −43,584−21.4% | Reduced |
| Greystone Financial Group, LLC | 159,704 | $8.85M | 2.24% | +4,308+2.8% | Added |
| State of New Jersey Common Pension Fund D | 159,127 | $8.82M | 0.03% | 00.0% | Unchanged |
| SEI Investments Co | 154,803 | $8.67M | 0.02% | −18,484−10.7% | Reduced |
| Public Employees Retirement System of Ohio | 156,120 | $8.65M | 0.03% | −8,932−5.4% | Reduced |
| Janney Montgomery Scott LLC | 155,549 | $8.62M | 0.04% | +5,965+4.0% | Added |
| Millennium Management LLC | 150,253 | $8.33M | 0.01% | −56,671−27.4% | Reduced |
| Squarepoint Ops LLC | 147,272 | $8.16M | 0.06% | +83,900+132.4% | Added |
| Nisa Investment Advisors, LLC | 147,152 | $8.15M | 0.06% | −11,569−7.3% | Reduced |
| Victory Capital Management Inc | 140,546 | $7.55M | 0.01% | +73,115+108.4% | Added |
| State of Wisconsin Investment Board | 134,468 | $7.45M | 0.02% | −1,577−1.2% | Reduced |
| Ar Asset Management Inc | 131,600 | $7.29M | 1.84% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 128,820 | $7.21M | 0.01% | −1,070−0.8% | Reduced |
| Forsta Ap-Fonden | 128,300 | $7.11M | 0.08% | −9,100−6.6% | Reduced |
| Natixis Advisors, L.P. | 127,575 | $7.07M | 0.03% | +10,231+8.7% | Added |
| Swiss Life Asset Management Ltd | 124,995 | $6.93M | 0.10% | −48,435−27.9% | Reduced |
| EWG Elevate Inc. | 117,332 | $6.50M | 2.55% | +97,135+480.9% | Added |
| Canada Pension Plan Investment Board | 116,610 | $6.46M | 0.01% | −72,208−38.2% | Reduced |
| Renaissance Technologies LLC | 116,300 | $6.44M | 0.01% | −241,263−67.5% | Reduced |
| Azimuth Capital Management LLC | 114,160 | $6.33M | 0.27% | +24,820+27.8% | Added |
| Korea Investment CORP | 112,700 | $6.25M | 0.02% | −270,400−70.6% | Reduced |
| Truist Financial Corp | 110,652 | $6.13M | 0.01% | −6,405−5.5% | Reduced |
| Treasurer of the State of North Carolina | 109,515 | $6.07M | 0.03% | +1,683+1.6% | Added |
| Cambridge Investment Research Advisors, Inc. | 107,591 | $5.96M | 0.03% | +10,719+11.1% | Added |
| Daiwa Securities Group Inc. | 107,340 | $5.95M | 0.04% | −1,895−1.7% | Reduced |
| Baker Ellis Asset Management LLC | 107,228 | $5.94M | 1.06% | +2,245+2.1% | Added |
| Amalgamated Bank | 105,699 | $5.86M | 0.05% | −146−0.1% | Reduced |
| Amalgamated Financial Corp. | 105,699 | $5.86M | 0.05% | +105,699 | New |
| Aviva PLC | 103,894 | $5.76M | 0.03% | +16,162+18.4% | Added |
| Private Advisor Group, LLC | 103,872 | $5.76M | 0.04% | +13,261+14.6% | Added |
| Jane Street Group, LLC | 102,396 | $5.67M | 0.01% | +22,825+28.7% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 102,384 | $5.67M | 0.06% | +11,719+12.9% | Added |
| Berger Financial Group, Inc | 102,355 | $5.67M | 0.72% | −22,880−18.3% | Reduced |
| Foresight Capital Management Advisors, Inc. | 100,468 | $5.57M | 6.21% | +3,103+3.2% | Added |
| Ardsley Advisory Partners LP | 100,000 | $5.54M | 1.14% | +100,000 | New |
| Evergreen Capital Management LLC | 99,985 | $5.54M | 0.23% | +2,491+2.6% | Added |
| ProShare Advisors LLC | 99,769 | $5.53M | 0.01% | −7,790−7.2% | Reduced |
| Royal London Asset Management Ltd | 98,824 | $5.48M | 0.02% | +1,645+1.7% | Added |
| M&T Bank Corp | 97,648 | $5.41M | 0.02% | +32,325+49.5% | Added |
| Sonora Investment Management Group, LLC | 96,404 | $5.34M | 0.60% | +3,190+3.4% | Added |
| Fifth Third Bancorp | 96,291 | $5.33M | 0.02% | +92,875+2,718.8% | Added |
| Wealthfront Advisers LLC | 95,814 | $5.31M | 0.02% | +13,160+15.9% | Added |
| Burney Co | 94,477 | $5.24M | 0.24% | +5,519+6.2% | Added |
| Standard Life Aberdeen plc | 93,462 | $5.21M | 0.01% | −67,479−41.9% | Reduced |
| Chicago Capital, LLC | 92,929 | $5.15M | 0.22% | −536−0.6% | Reduced |
| BNP Paribas Arbitrage, SA | 92,415 | $5.12M | 0.01% | −190,630−67.3% | Reduced |
| USS Investment Management Ltd | 92,375 | $5.12M | 0.04% | +28,677+45.0% | Added |
| TD Private Client Wealth LLC | 88,856 | $4.92M | 0.21% | +553+0.6% | Added |
| Westpac Banking Corp | 88,773 | $4.92M | 0.06% | −16,328−15.5% | Reduced |
| Susquehanna International Group, LLP | 88,744 | $4.92M | 0.01% | +23,462+35.9% | Added |
| Erste Asset Management GmbH | 88,600 | $4.91M | 0.09% | +11,300+14.6% | Added |
| MetLife Investment Management | 87,738 | $4.86M | 0.03% | +23,766+37.2% | Added |
| Oregon Public Employees Retirement Fund | 86,743 | $4.81M | 0.05% | −7,406−7.9% | Reduced |
| Nelson Capital Management, LLC | 86,636 | $4.80M | 0.94% | −923−1.1% | Reduced |
| American International Group, Inc. | 86,599 | $4.80M | 0.03% | −2,332−2.6% | Reduced |
| Woodstock Corp | 85,921 | $4.76M | 0.56% | −23,898−21.8% | Reduced |
| Moors & Cabot, Inc. | 85,465 | $4.74M | 0.29% | −10,286−10.7% | Reduced |
| State of Michigan Retirement System | 84,344 | $4.67M | 0.03% | +150+0.2% | Added |
| Siemens Fonds Invest GmbH | 84,077 | $4.66M | 0.38% | +1,578+1.9% | Added |
| Macquarie Group Ltd | 82,867 | $4.59M | 0.00% | −9,886−10.7% | Reduced |
| Arizona State Retirement System | 80,598 | $4.47M | 0.04% | +1,788+2.3% | Added |
| Cetera Advisor Networks LLC | 80,189 | $4.44M | 0.05% | +5,334+7.1% | Added |
| Pensionfund DSM Netherlands | 79,500 | $4.41M | 2.10% | −20,000−20.1% | Reduced |
| Breiter Capital Management Inc | 78,349 | $4.34M | 2.15% | +2,746+3.6% | Added |
| National Asset Management, Inc. | 77,158 | $4.28M | 0.14% | +30,692+66.1% | Added |
| Tower Research Capital LLC (TRC) | 76,775 | $4.25M | 0.04% | +21,473+38.8% | Added |
| PFS Investments Inc. | 76,303 | $4.23M | 0.08% | +76,303 | New |
| Ensign Peak Advisors, Inc | 74,758 | $4.14M | 0.01% | −45,120−37.6% | Reduced |
| American Trust Investment Advisors, LLC | 73,947 | $4.10M | 2.10% | −39,624−34.9% | Reduced |
| Comerica Bank | 70,943 | $4.09M | 0.03% | +1,967+2.9% | Added |
| Truvestments Capital LLC | 71,887 | $3.98M | 2.18% | +950+1.3% | Added |
| Franklin Resources Inc | 67,539 | $3.74M | 0.00% | −8,347−11.0% | Reduced |
| Catalyst Capital Advisors LLC | 67,500 | $3.74M | 0.16% | −14,570−17.8% | Reduced |
| Oliver Luxxe Assets LLC | 67,233 | $3.73M | 0.94% | −1,090−1.6% | Reduced |
| HighTower Advisors, LLC | 67,029 | $3.71M | 0.01% | +2,017+3.1% | Added |
| Avantax Advisory Services, Inc. | 66,875 | $3.71M | 0.05% | −45,885−40.7% | Reduced |
| Cetera Advisors LLC | 66,534 | $3.69M | 0.07% | −2,081−3.0% | Reduced |
| Salem Investment Counselors Inc | 65,018 | $3.60M | 0.14% | −1,948−2.9% | Reduced |
| Vectors Research Management, LLC | 63,733 | $3.53M | 0.77% | +8,910+16.3% | Added |
| Beck Capital Management, LLC | 62,358 | $3.46M | 1.05% | −162−0.3% | Reduced |
| HNP Capital LLC | 61,464 | $3.41M | 0.81% | +7,498+13.9% | Added |
| Atria Wealth Solutions, Inc. | 61,016 | $3.41M | 0.06% | +61,016 | New |
| Peapack Gladstone Financial Corp | 60,385 | $3.35M | 0.07% | −126−0.2% | Reduced |