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 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 |
|---|---|---|---|---|---|
| TCW Group Inc | 343,178 | $16.7M | 0.22% | +108,583+46.3% | Added |
| Nomura Asset Management Co Ltd | 344,360 | $16.8M | 0.11% | +9,536+2.8% | Added |
| Credit Suisse AG | 345,373 | $16.8M | 0.02% | +4,938+1.5% | Added |
| Dana Investment Advisors, Inc. | 362,069 | $17.6M | 0.89% | −5,863−1.6% | Reduced |
| Principal Financial Group Inc | 373,577 | $18.2M | 0.01% | +14,155+3.9% | Added |
| Cookson Peirce & Co Inc | 398,042 | $19.4M | 1.33% | +9,482+2.4% | Added |
| LPL Financial LLC | 403,039 | $19.6M | 0.02% | +14,254+3.7% | Added |
| Raymond James & Associates | 409,833 | $20.0M | 0.02% | −13,081−3.1% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 413,525 | $20.1M | 0.05% | +27,521+7.1% | Added |
| Stifel Financial Corp | 446,267 | $21.7M | 0.03% | −22,731−4.8% | Reduced |
| Barclays PLC | 448,271 | $21.8M | 0.02% | −2,869−0.6% | Reduced |
| Price T Rowe Associates Inc | 449,367 | $21.9M | 0.00% | −32,400−6.7% | Reduced |
| Bank of Montreal | 446,740 | $22.0M | 0.02% | −288,273−39.2% | Reduced |
| Balyasny Asset Management LLC | 453,448 | $22.1M | 0.09% | +453,448 | New |
| Alliancebernstein L.P. | 458,764 | $22.3M | 0.01% | −35,930−7.3% | Reduced |
| Marble Harbor Investment Counsel, LLC | 466,030 | $22.7M | 3.46% | −100.0% | Reduced |
| Handelsbanken Fonder AB | 475,553 | $23.2M | 0.15% | +25,399+5.6% | Added |
| Ameriprise Financial Inc | 477,980 | $23.3M | 0.01% | −36,991−7.2% | Reduced |
| California State Teachers Retirement System | 491,438 | $23.9M | 0.04% | +873+0.2% | Added |
| Voya Investment Management LLC | 505,199 | $24.6M | 0.06% | +93,231+22.6% | Added |
| National Pension Service | 530,646 | $25.8M | 0.05% | +12,164+2.3% | Added |
| Cbre Clarion Securities LLC | 543,000 | $26.4M | 0.41% | −13,000−2.3% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 563,238 | $27.4M | 0.05% | −13,792−2.4% | Reduced |
| Rhumbline Advisers | 565,435 | $27.5M | 0.04% | +47,854+9.2% | Added |
| Envestnet Asset Management Inc | 572,410 | $27.9M | 0.02% | −2,194−0.4% | Reduced |
| California Public Employees Retirement System | 585,761 | $28.5M | 0.03% | −15,662−2.6% | Reduced |
| UBS Group AG | 600,387 | $29.2M | 0.01% | −109,925−15.5% | Reduced |
| Neuberger Berman Group LLC | 613,914 | $30.0M | 0.03% | +485,094+376.6% | Added |
| Asset Management One Co.,Ltd. | 642,323 | $31.3M | 0.15% | −63,202−9.0% | Reduced |
| American Century Companies Inc | 717,874 | $35.0M | 0.03% | +242,787+51.1% | Added |
| Millennium Management LLC | 729,067 | $35.5M | 0.05% | +578,814+385.2% | Added |
| Welch & Forbes LLC | 739,049 | $36.0M | 0.66% | −7,997−1.1% | Reduced |
| First Republic Investment Management, Inc. | 743,179 | $36.2M | 0.09% | −4,949−0.7% | Reduced |
| Wells Fargo & Company | 759,738 | $37.0M | 0.01% | −139,843−15.5% | Reduced |
| Bank of America Corp | 856,975 | $41.7M | 0.01% | +31,911+3.9% | Added |
| Goldman Sachs Group Inc | 944,096 | $46.0M | 0.01% | +56,381+6.4% | Added |
| Border to Coast Pensions Partnership Ltd | 946,040 | $46.2M | 1.43% | −100,000−9.6% | Reduced |
| Pacer Advisors, Inc. | 1,023,791 | $49.8M | 0.37% | −190,426−15.7% | Reduced |
| Royal Bank of Canada | 1,039,958 | $50.6M | 0.02% | −29,528−2.8% | Reduced |
| UBS Asset Management Americas Inc | 1,081,835 | $52.7M | 0.03% | −85,268−7.3% | Reduced |
| Rockefeller Capital Management L.P. | 1,084,274 | $52.8M | 0.28% | −28,819−2.6% | Reduced |
| Nuveen Asset Management, LLC | 1,194,570 | $58.2M | 0.02% | +169,323+16.5% | Added |
| CIBC Private Wealth Group, LLC | 1,210,728 | $59.0M | 0.15% | +475,137+64.6% | Added |
| Swiss National Bank | 1,256,947 | $61.2M | 0.04% | +2,800+0.2% | Added |
| Intech Investment Management LLC | 1,343,494 | $65.4M | 0.38% | +1,343,494 | New |
| Deutsche Bank AG | 1,785,040 | $86.9M | 0.05% | +161,015+9.9% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 1,818,456 | $88.5M | 0.07% | +449,724+32.9% | Added |
| JPMorgan Chase & Co | 1,917,283 | $93.4M | 0.01% | −266,277−12.2% | Reduced |
| LSV Asset Management | 2,053,781 | $100.0M | 0.22% | −634,230−23.6% | Reduced |
| Invesco Ltd. | 2,081,176 | $101.3M | 0.03% | +34,826+1.7% | Added |
| Legal & General Group Plc | 2,092,091 | $101.9M | 0.04% | +78,238+3.9% | Added |
| Norges Bank | 2,429,400 | $118.3M | 0.03% | −427,328−15.0% | Reduced |
| Epoch Investment Partners, Inc. | 2,708,134 | $131.9M | 0.77% | −209,084−7.2% | Reduced |
| Pictet Asset Management SA | 2,866,745 | $139.6M | 0.19% | +1,159,261+67.9% | Added |
| Bank of New York Mellon Corp | 3,005,491 | $146.3M | 0.03% | +111,297+3.8% | Added |
| Northern Trust Corp | 3,343,559 | $162.8M | 0.03% | −844,101−20.2% | Reduced |
| Charles Schwab Investment Management Inc | 3,563,515 | $173.5M | 0.06% | −3,077−0.1% | Reduced |
| Amundi | 3,689,155 | $177.4M | 0.14% | +160,397+4.5% | Added |
| FMR LLC | 3,968,986 | $193.3M | 0.02% | −28,396−0.7% | Reduced |
| Dimensional Fund Advisors LP | 4,058,583 | $197.6M | 0.07% | −6,850−0.2% | Reduced |
| Morgan Stanley | 4,675,379 | $227.6M | 0.03% | +625,431+15.4% | Added |
| Geode Capital Management, LLC | 6,719,838 | $326.7M | 0.05% | +119,228+1.8% | Added |
| State Street Corp | 14,896,104 | $734.3M | 0.04% | +274,095+1.9% | Added |
| BlackRock Inc. | 22,824,969 | $1.11B | 0.04% | −91,301−0.4% | Reduced |
| Capital World Investors | 28,906,263 | $1.41B | 0.30% | +5,2610.0% | Added |
| Vanguard Group Inc | 47,682,711 | $2.32B | 0.07% | −653,003−1.4% | Reduced |
| Westside Investment Management, Inc. | 276 | – | – | 00.0% | Unchanged |
| AustralianSuper Pty Ltd | 0 | $0 | 0.00% | −361,585−100.0% | Sold out |
| Greystone Financial Group, LLC | 0 | $0 | 0.00% | −159,704−100.0% | Sold out |
| Evergreen Capital Management LLC | 0 | $0 | 0.00% | −99,985−100.0% | Sold out |
| Nelson Capital Management, LLC | 0 | $0 | 0.00% | −86,636−100.0% | Sold out |
| Swarthmore Group Inc | 0 | $0 | 0.00% | −59,661−100.0% | Sold out |
| Horizon Investments, LLC | 0 | $0 | 0.00% | −51,953−100.0% | Sold out |
| Hussman Strategic Advisors, Inc. | 0 | $0 | 0.00% | −46,000−100.0% | Sold out |
| Mackay Shields LLC | 0 | $0 | 0.00% | −42,115−100.0% | Sold out |
| New England Research & Management, Inc. | 0 | $0 | 0.00% | −22,880−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −14,383−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −11,275−100.0% | Sold out |
| Alpha Cubed Investments, LLC | 0 | $0 | 0.00% | −11,210−100.0% | Sold out |
| Aaron Wealth Advisors | 0 | $0 | 0.00% | −34,021−100.0% | Sold out |
| Oak Thistle LLC | 0 | $0 | 0.00% | −11,042−100.0% | Sold out |
| Kovack Advisors, Inc. | 0 | $0 | 0.00% | −10,863−100.0% | Sold out |
| Capitolis Advisors LLC | 0 | $0 | 0.00% | −9,723−100.0% | Sold out |
| Navellier & Associates Inc | 0 | $0 | 0.00% | −9,530−100.0% | Sold out |
| Founders Financial Alliance, LLC | 0 | $0 | 0.00% | −9,493−100.0% | Sold out |
| Charter Trust Co | 0 | $0 | 0.00% | −8,041−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −7,835−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −7,718−100.0% | Sold out |
| Krane Funds Advisors LLC | 0 | $0 | 0.00% | −7,553−100.0% | Sold out |
| Citizens Business Bank | 0 | $0 | 0.00% | −7,395−100.0% | Sold out |
| Davis R M Inc | 0 | $0 | 0.00% | −6,422−100.0% | Sold out |
| Exane Derivatives | 0 | $0 | 0.00% | −6,122−100.0% | Sold out |
| Laird Norton Trust Company, LLC | 0 | $0 | 0.00% | −6,000−100.0% | Sold out |
| Beaumont Financial Partners, LLC | 0 | $0 | 0.00% | −5,678−100.0% | Sold out |
| Bristlecone Advisors, LLC | 0 | $0 | 0.00% | −5,642−100.0% | Sold out |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −5,626−100.0% | Sold out |
| Financial Advocates Investment Management | 0 | $0 | 0.00% | −5,617−100.0% | Sold out |
| Beacon Pointe Advisors, LLC | 0 | $0 | 0.00% | −5,433−100.0% | Sold out |
| Cigna Investments Inc | 0 | $0 | 0.00% | −5,033−100.0% | Sold out |
| Corient Capital Partners, LLC | 0 | $0 | 0.00% | −4,664−100.0% | Sold out |