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 2023
Institutional positions in Iron Mountain Inc as of Jun 30, 2023. 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
- 817
- +35 vs. Q1 2023
- Shares held
- 227.1M
- +1.66M (+0.7%) vs. Q1 2023
- Total value
- $12.9B
- +$954.9M (+8.0%) vs. Q1 2023
- New holders
- 86
- 284 more added
- Sold out
- 51
- 292 more reduced
8 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2023: 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 2023
Shares, value and share of portfolio for each institution holding Iron Mountain Inc; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Swiss Life Asset Management Ltd | 55,913 | $3.18M | 0.05% | −466−0.8% | Reduced |
| Cetera Advisors LLC | 56,182 | $3.19M | 0.05% | −2,060−3.5% | Reduced |
| Virginia Retirement Systems Et Al | 56,200 | $3.19M | 0.03% | +33,900+152.0% | Added |
| ProShare Advisors LLC | 56,713 | $3.22M | 0.01% | +603+1.1% | Added |
| Pensionfund DSM Netherlands | 57,500 | $3.27M | 2.13% | 00.0% | Unchanged |
| Natixis | 57,577 | $3.27M | 0.03% | +57,577 | New |
| Burney Co | 57,636 | $3.27M | 0.15% | −16,730−22.5% | Reduced |
| Shelton Capital Management | 58,769 | $3.34M | 0.12% | +19,300+48.9% | Added |
| IFM Investors Pty Ltd | 58,968 | $3.35M | 0.04% | +9,314+18.8% | Added |
| Ergoteles LLC | 59,915 | $3.40M | 0.16% | +59,915 | New |
| New York Life Investment Management LLC | 60,290 | $3.43M | 0.04% | +13,424+28.6% | Added |
| Duality Advisers, LP | 60,672 | $3.45M | 0.43% | +4,482+8.0% | Added |
| Texas Permanent School Fund | 60,931 | $3.46M | 0.03% | +466+0.8% | Added |
| NEIRG Wealth Management, LLC | 61,174 | $3.48M | 0.64% | −9,547−13.5% | Reduced |
| Forsta Ap-Fonden | 62,100 | $3.53M | 0.04% | −6,400−9.3% | Reduced |
| Nissay Asset Management Corp | 63,473 | $3.61M | 0.03% | +428+0.7% | Added |
| Robeco Institutional Asset Management B.V. | 64,056 | $3.64M | 0.01% | −22,007−25.6% | Reduced |
| Truvestments Capital LLC | 64,072 | $3.64M | 1.81% | +1,559+2.5% | Added |
| Mercer Global Advisors Inc | 64,498 | $3.67M | 0.01% | +1,916+3.1% | Added |
| Jane Street Group, LLC | 64,883 | $3.69M | 0.01% | +59,600+1,128.1% | Added |
| National Bank of Canada | 64,659 | $3.69M | 0.01% | +9,362+16.9% | Added |
| Peapack Gladstone Financial Corp | 65,309 | $3.71M | 0.07% | +164+0.3% | Added |
| Edgestream Partners, L.P. | 65,916 | $3.75M | 0.34% | +24,153+57.8% | Added |
| HighTower Advisors, LLC | 66,106 | $3.76M | 0.01% | −330−0.5% | Reduced |
| Nepsis, Inc. | 66,485 | $3.78M | 1.16% | +804+1.2% | Added |
| American Trust Investment Advisors, LLC | 66,869 | $3.80M | 2.13% | +1,223+1.9% | Added |
| Oliver Luxxe Assets LLC | 67,233 | $3.82M | 0.95% | 00.0% | Unchanged |
| Cetera Investment Advisers | 67,730 | $3.85M | 0.03% | +5,960+9.6% | Added |
| Truist Financial Corp | 68,975 | $3.92M | 0.01% | −577−0.8% | Reduced |
| Wealthfront Advisers LLC | 69,288 | $3.94M | 0.02% | −476−0.7% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 69,417 | $3.94M | 0.06% | +2,085+3.1% | Added |
| Twinbeech Capital LP | 69,610 | $3.96M | 0.08% | +69,610 | New |
| Voloridge Investment Management, LLC | 71,615 | $4.07M | 0.02% | +71,615 | New |
| Advisors Asset Management, Inc. | 71,836 | $4.08M | 0.08% | −10,533−12.8% | Reduced |
| Moors & Cabot, Inc. | 71,908 | $4.09M | 0.27% | −211−0.3% | Reduced |
| Salem Investment Counselors Inc | 72,339 | $4.15M | 0.15% | +535+0.7% | Added |
| Amalgamated Bank | 74,434 | $4.23M | 0.03% | −27,391−26.9% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 74,484 | $4.23M | 0.05% | +9,800+15.2% | Added |
| Hourglass Capital, LLC | 75,750 | $4.30M | 1.50% | +300+0.4% | Added |
| Woodstock Corp | 76,789 | $4.36M | 0.51% | −370−0.5% | Reduced |
| Tectonic Advisors LLC | 77,883 | $4.43M | 0.54% | +6,677+9.4% | Added |
| Avantax Advisory Services, Inc. | 78,055 | $4.44M | 0.05% | −2,257−2.8% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 79,218 | $4.50M | 0.02% | −19,895−20.1% | Reduced |
| TD Private Client Wealth LLC | 79,342 | $4.51M | 0.19% | −3,691−4.4% | Reduced |
| Arizona State Retirement System | 79,573 | $4.52M | 0.04% | −4,946−5.9% | Reduced |
| La Banque Postale Asset Management SA | 79,835 | $4.54M | 0.11% | −3,659−4.4% | Reduced |
| MetLife Investment Management | 79,943 | $4.54M | 0.03% | −3,656−4.4% | Reduced |
| State of Michigan Retirement System | 80,146 | $4.55M | 0.03% | +300+0.4% | Added |
| La Financiere de L'Echiquier | 80,266 | $4.56M | 0.23% | −55,265−40.8% | Reduced |
| Baird Financial Group, Inc. | 80,444 | $4.57M | 0.01% | +22,388+38.6% | Added |
| Fifth Third Bancorp | 80,597 | $4.58M | 0.02% | −1,636−2.0% | Reduced |
| American International Group, Inc. | 81,416 | $4.63M | 0.03% | +1,088+1.4% | Added |
| MML Investors Services, LLC | 82,115 | $4.67M | 0.03% | +4,739+6.1% | Added |
| Siemens Fonds Invest GmbH | 83,362 | $4.71M | 0.46% | −2,087−2.4% | Reduced |
| Private Advisor Group, LLC | 83,178 | $4.77M | 0.04% | −1,690−2.0% | Reduced |
| Nia Impact Advisors, LLC | 78,427 | $4.78M | 2.72% | +1,165+1.5% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 84,846 | $4.82M | 0.24% | +250+0.3% | Added |
| Janus Henderson Group PLC | 85,388 | $4.85M | 0.00% | +14,555+20.5% | Added |
| USS Investment Management Ltd | 87,977 | $5.00M | 0.06% | 00.0% | Unchanged |
| Sonora Investment Management Group, LLC | 88,060 | $5.00M | 0.42% | −3,303−3.6% | Reduced |
| Chicago Capital, LLC | 92,156 | $5.24M | 0.24% | 00.0% | Unchanged |
| Thrivent Financial for Lutherans | 94,043 | $5.34M | 0.01% | −29,092−23.6% | Reduced |
| PFS Investments Inc. | 97,768 | $5.55M | 0.09% | +3,016+3.2% | Added |
| Victory Capital Management Inc | 101,283 | $5.75M | 0.01% | −514−0.5% | Reduced |
| M&T Bank Corp | 101,876 | $5.79M | 0.02% | +1,526+1.5% | Added |
| State of Tennessee, Treasury Department | 102,495 | $5.82M | 0.02% | +57,900+129.8% | Added |
| Azimuth Capital Investment Management LLC | 104,490 | $5.94M | 0.28% | −750−0.7% | Reduced |
| Point72 Asset Management, L.P. | 104,600 | $5.94M | 0.02% | +2,900+2.9% | Added |
| First National Trust Co | 105,021 | $5.97M | 0.28% | +88,870+550.2% | Added |
| HRT Financial LP | 105,141 | $5.97M | 0.06% | +105,141 | New |
| Aew Capital Management L P | 107,030 | $6.08M | 0.23% | −35,880−25.1% | Reduced |
| Knights of Columbus Asset Advisors LLC | 107,558 | $6.11M | 0.55% | +1,443+1.4% | Added |
| WealthTrust Axiom LLC | 108,983 | $6.19M | 2.05% | −26,759−19.7% | Reduced |
| Andra AP-fonden | 110,700 | $6.29M | 0.16% | −55,500−33.4% | Reduced |
| Handelsbanken Fonder AB | 110,693 | $6.29M | 0.03% | +17,446+18.7% | Added |
| Teacher Retirement System of Texas | 112,487 | $6.39M | 0.04% | −49,548−30.6% | Reduced |
| Vert Asset Management LLC | 112,497 | $6.39M | 3.27% | +4,490+4.2% | Added |
| Cambridge Investment Research Advisors, Inc. | 116,794 | $6.64M | 0.03% | +4,741+4.2% | Added |
| Erste Asset Management GmbH | 121,900 | $6.83M | 0.12% | −8,900−6.8% | Reduced |
| Royal London Asset Management Ltd | 126,067 | $7.16M | 0.02% | +17,924+16.6% | Added |
| EWG Elevate Inc. | 128,145 | $7.28M | 3.01% | −2,210−1.7% | Reduced |
| Cetera Advisor Networks LLC | 128,434 | $7.30M | 0.05% | +4,843+3.9% | Added |
| James Hambro & Partners | 131,252 | $7.45M | 0.49% | +10,618+8.8% | Added |
| Ar Asset Management Inc | 131,600 | $7.48M | 2.01% | 00.0% | Unchanged |
| Snowden Capital Advisors LLC | 133,564 | $7.59M | 0.27% | −3,628−2.6% | Reduced |
| Treasurer of the State of North Carolina | 134,447 | $7.64M | 0.04% | +4,180+3.2% | Added |
| Natixis Advisors, L.P. | 135,260 | $7.68M | 0.02% | −124−0.1% | Reduced |
| Public Employees Retirement System of Ohio | 135,891 | $7.72M | 0.03% | −12,785−8.6% | Reduced |
| Korea Investment CORP | 137,057 | $7.79M | 0.02% | −128,450−48.4% | Reduced |
| Susquehanna Fundamental Investments, LLC | 138,609 | $7.88M | 0.29% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 141,890 | $8.07M | 0.01% | −6,986−4.7% | Reduced |
| Ardsley Advisory Partners LP | 145,000 | $8.24M | 1.86% | 00.0% | Unchanged |
| Mutual Advisors, LLC | 145,363 | $8.26M | 0.31% | −20,110−12.2% | Reduced |
| D. E. Shaw & Co., Inc. | 146,064 | $8.30M | 0.01% | +66,484+83.5% | Added |
| Nisa Investment Advisors, LLC | 147,234 | $8.37M | 0.06% | −18,426−11.1% | Reduced |
| Toronto Dominion Bank | 155,700 | $8.84M | 0.01% | −13,236−7.8% | Reduced |
| UniSuper Management Pty Ltd | 155,970 | $8.86M | 0.10% | +155,970 | New |
| Susquehanna International Group, LLP | 162,638 | $9.24M | 0.01% | −14,664−8.3% | Reduced |
| Ensign Peak Advisors, Inc | 162,691 | $9.24M | 0.02% | +66,790+69.6% | Added |
| State of New Jersey Common Pension Fund D | 163,879 | $9.31M | 0.03% | 00.0% | Unchanged |