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 2022
Institutional positions in Iron Mountain Inc as of Jun 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
- 767
- +7 vs. Q1 2022
- Shares held
- 224.1M
- +1.54M (+0.7%) vs. Q1 2022
- Total value
- $10.9B
- −$1.42B (−11.5%) vs. Q1 2022
- New holders
- 82
- 299 more added
- Sold out
- 75
- 260 more reduced
17 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2022
Shares, value and share of portfolio for each institution holding Iron Mountain Inc; share changes are against Q1 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 47,682,711 | $2.32B | 0.07% | −653,003−1.4% | Reduced |
| Capital World Investors | 28,906,263 | $1.41B | 0.30% | +5,2610.0% | Added |
| BlackRock Inc. | 22,824,969 | $1.11B | 0.04% | −91,301−0.4% | Reduced |
| State Street Corp | 14,896,104 | $734.3M | 0.04% | +274,095+1.9% | Added |
| Geode Capital Management, LLC | 6,719,838 | $326.7M | 0.05% | +119,228+1.8% | Added |
| Morgan Stanley | 4,675,379 | $227.6M | 0.03% | +625,431+15.4% | Added |
| Dimensional Fund Advisors LP | 4,058,583 | $197.6M | 0.07% | −6,850−0.2% | Reduced |
| FMR LLC | 3,968,986 | $193.3M | 0.02% | −28,396−0.7% | Reduced |
| Amundi | 3,689,155 | $177.4M | 0.14% | +160,397+4.5% | Added |
| Charles Schwab Investment Management Inc | 3,563,515 | $173.5M | 0.06% | −3,077−0.1% | Reduced |
| Northern Trust Corp | 3,343,559 | $162.8M | 0.03% | −844,101−20.2% | Reduced |
| Bank of New York Mellon Corp | 3,005,491 | $146.3M | 0.03% | +111,297+3.8% | Added |
| Pictet Asset Management SA | 2,866,745 | $139.6M | 0.19% | +1,159,261+67.9% | Added |
| Epoch Investment Partners, Inc. | 2,708,134 | $131.9M | 0.77% | −209,084−7.2% | Reduced |
| Norges Bank | 2,429,400 | $118.3M | 0.03% | −427,328−15.0% | Reduced |
| Legal & General Group Plc | 2,092,091 | $101.9M | 0.04% | +78,238+3.9% | Added |
| Invesco Ltd. | 2,081,176 | $101.3M | 0.03% | +34,826+1.7% | Added |
| LSV Asset Management | 2,053,781 | $100.0M | 0.22% | −634,230−23.6% | Reduced |
| JPMorgan Chase & Co | 1,917,283 | $93.4M | 0.01% | −266,277−12.2% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 1,818,456 | $88.5M | 0.07% | +449,724+32.9% | Added |
| Deutsche Bank AG | 1,785,040 | $86.9M | 0.05% | +161,015+9.9% | Added |
| Intech Investment Management LLC | 1,343,494 | $65.4M | 0.38% | +1,343,494 | New |
| Swiss National Bank | 1,256,947 | $61.2M | 0.04% | +2,800+0.2% | Added |
| CIBC Private Wealth Group, LLC | 1,210,728 | $59.0M | 0.15% | +475,137+64.6% | Added |
| Nuveen Asset Management, LLC | 1,194,570 | $58.2M | 0.02% | +169,323+16.5% | Added |
| Rockefeller Capital Management L.P. | 1,084,274 | $52.8M | 0.28% | −28,819−2.6% | Reduced |
| UBS Asset Management Americas Inc | 1,081,835 | $52.7M | 0.03% | −85,268−7.3% | Reduced |
| Royal Bank of Canada | 1,039,958 | $50.6M | 0.02% | −29,528−2.8% | Reduced |
| Pacer Advisors, Inc. | 1,023,791 | $49.8M | 0.37% | −190,426−15.7% | Reduced |
| Border to Coast Pensions Partnership Ltd | 946,040 | $46.2M | 1.43% | −100,000−9.6% | Reduced |
| Goldman Sachs Group Inc | 944,096 | $46.0M | 0.01% | +56,381+6.4% | Added |
| Bank of America Corp | 856,975 | $41.7M | 0.01% | +31,911+3.9% | Added |
| Wells Fargo & Company | 759,738 | $37.0M | 0.01% | −139,843−15.5% | Reduced |
| First Republic Investment Management, Inc. | 743,179 | $36.2M | 0.09% | −4,949−0.7% | Reduced |
| Welch & Forbes LLC | 739,049 | $36.0M | 0.66% | −7,997−1.1% | Reduced |
| Millennium Management LLC | 729,067 | $35.5M | 0.05% | +578,814+385.2% | Added |
| American Century Companies Inc | 717,874 | $35.0M | 0.03% | +242,787+51.1% | Added |
| Asset Management One Co.,Ltd. | 642,323 | $31.3M | 0.15% | −63,202−9.0% | Reduced |
| Neuberger Berman Group LLC | 613,914 | $30.0M | 0.03% | +485,094+376.6% | Added |
| UBS Group AG | 600,387 | $29.2M | 0.01% | −109,925−15.5% | Reduced |
| California Public Employees Retirement System | 585,761 | $28.5M | 0.03% | −15,662−2.6% | Reduced |
| Envestnet Asset Management Inc | 572,410 | $27.9M | 0.02% | −2,194−0.4% | Reduced |
| Rhumbline Advisers | 565,435 | $27.5M | 0.04% | +47,854+9.2% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 563,238 | $27.4M | 0.05% | −13,792−2.4% | Reduced |
| Cbre Clarion Securities LLC | 543,000 | $26.4M | 0.41% | −13,000−2.3% | Reduced |
| National Pension Service | 530,646 | $25.8M | 0.05% | +12,164+2.3% | Added |
| Voya Investment Management LLC | 505,199 | $24.6M | 0.06% | +93,231+22.6% | Added |
| California State Teachers Retirement System | 491,438 | $23.9M | 0.04% | +873+0.2% | Added |
| Ameriprise Financial Inc | 477,980 | $23.3M | 0.01% | −36,991−7.2% | Reduced |
| Handelsbanken Fonder AB | 475,553 | $23.2M | 0.15% | +25,399+5.6% | Added |
| Marble Harbor Investment Counsel, LLC | 466,030 | $22.7M | 3.46% | −100.0% | Reduced |
| Alliancebernstein L.P. | 458,764 | $22.3M | 0.01% | −35,930−7.3% | Reduced |
| Balyasny Asset Management LLC | 453,448 | $22.1M | 0.09% | +453,448 | New |
| Bank of Montreal | 446,740 | $22.0M | 0.02% | −288,273−39.2% | Reduced |
| Price T Rowe Associates Inc | 449,367 | $21.9M | 0.00% | −32,400−6.7% | Reduced |
| Barclays PLC | 448,271 | $21.8M | 0.02% | −2,869−0.6% | Reduced |
| Stifel Financial Corp | 446,267 | $21.7M | 0.03% | −22,731−4.8% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 413,525 | $20.1M | 0.05% | +27,521+7.1% | Added |
| Raymond James & Associates | 409,833 | $20.0M | 0.02% | −13,081−3.1% | Reduced |
| LPL Financial LLC | 403,039 | $19.6M | 0.02% | +14,254+3.7% | Added |
| Cookson Peirce & Co Inc | 398,042 | $19.4M | 1.33% | +9,482+2.4% | Added |
| Principal Financial Group Inc | 373,577 | $18.2M | 0.01% | +14,155+3.9% | Added |
| Dana Investment Advisors, Inc. | 362,069 | $17.6M | 0.89% | −5,863−1.6% | Reduced |
| Credit Suisse AG | 345,373 | $16.8M | 0.02% | +4,938+1.5% | Added |
| Nomura Asset Management Co Ltd | 344,360 | $16.8M | 0.11% | +9,536+2.8% | Added |
| TCW Group Inc | 343,178 | $16.7M | 0.22% | +108,583+46.3% | Added |
| New York State Teachers Retirement System | 340,970 | $16.6M | 0.04% | +1,925+0.6% | Added |
| New York State Common Retirement Fund | 339,449 | $16.5M | 0.02% | −15,810−4.5% | Reduced |
| STRS Ohio | 335,818 | $16.4M | 0.07% | −10,879−3.1% | Reduced |
| State Board of Administration of Florida Retirement System | 334,417 | $16.3M | 0.04% | −14,331−4.1% | Reduced |
| United Bank | 327,576 | $16.0M | 2.39% | −22,253−6.4% | Reduced |
| Avalon Investment & Advisory | 324,458 | $15.8M | 0.45% | +667+0.2% | Added |
| Great West Life Assurance Co | 315,656 | $15.4M | 0.04% | +7,269+2.4% | Added |
| TD Asset Management Inc | 312,855 | $15.2M | 0.02% | +9,703+3.2% | Added |
| Adage Capital Partners GP, L.L.C. | 302,652 | $14.7M | 0.03% | +300+0.1% | Added |
| First Trust Advisors LP | 301,718 | $14.7M | 0.02% | +123,630+69.4% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 293,976 | $14.3M | 0.08% | +32,026+12.2% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 293,835 | $14.3M | 0.06% | +20,992+7.7% | Added |
| Adell Harriman & Carpenter Inc | 293,198 | $14.3M | 1.75% | +9,925+3.5% | Added |
| Allianz Asset Management GmbH | 289,395 | $14.1M | 0.01% | −92,096−24.1% | Reduced |
| Citigroup Inc | 286,242 | $13.9M | 0.02% | +15,629+5.8% | Added |
| Retirement Systems of Alabama | 286,034 | $13.9M | 0.06% | −3,195−1.1% | Reduced |
| Swedbank AB | 285,846 | $13.9M | 0.03% | −4,403−1.5% | Reduced |
| Renaissance Technologies LLC | 277,700 | $13.5M | 0.02% | +161,400+138.8% | Added |
| Blair William & Co | 274,683 | $13.4M | 0.06% | −3,580−1.3% | Reduced |
| HSBC Holdings PLC | 265,314 | $12.9M | 0.02% | −2,001−0.7% | Reduced |
| United Capital Financial Advisers, LLC | 263,748 | $12.8M | 0.07% | +194+0.1% | Added |
| Natixis | 259,180 | $12.6M | 0.05% | −115,979−30.9% | Reduced |
| Commerce Bank | 256,803 | $12.5M | 0.10% | +80.0% | Added |
| Prudential Financial Inc | 246,404 | $11.9M | 0.02% | −3,030−1.2% | Reduced |
| Citadel Advisors LLC | 243,331 | $11.8M | 0.02% | +63,873+35.6% | Added |
| AXA S.A. | 241,457 | $11.8M | 0.04% | −172,643−41.7% | Reduced |
| Manufacturers Life Insurance Company, The | 238,098 | $11.6M | 0.01% | +22,992+10.7% | Added |
| Raymond James Financial Services Advisors, Inc. | 235,999 | $11.5M | 0.02% | −39,278−14.3% | Reduced |
| Aviva PLC | 234,908 | $11.4M | 0.06% | +131,014+126.1% | Added |
| Ergoteles LLC | 234,718 | $11.4M | 0.34% | +234,718 | New |
| Brookstone Capital Management | 232,934 | $11.3M | 0.25% | +64,875+38.6% | Added |
| Hall Private Wealth Advisors | 231,371 | $11.3M | 6.32% | −42,815−15.6% | Reduced |
| Boston Common Asset Management, LLC | 231,271 | $11.3M | 0.56% | −49,239−17.6% | Reduced |
| Crossmark Global Holdings, Inc. | 224,566 | $10.9M | 0.28% | +6,183+2.8% | Added |