Who owns Iron Mountain?
- Ticker: IRM
- CUSIP Number: 46284v101
Tip: Access positions for across all investors
Analyze quarterly positions in Iron Mountain with up to 7 years of data, all consolidated into one spreadsheet
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Top investors of Iron Mountain stock
Who bought or sold Iron Mountain this quarter?
| Fund or Company Name | Shares Held | Valued At | Change in Shares | As Of | Actions |
|---|---|---|---|---|---|
| Vanguard Group | 47M | $3.9B | -1% | Dec 2025 |
|
| BlackRock | 33M | $2.7B | 4% | Dec 2025 |
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| Cohen & Steers Capital Management | 19M | $1.6B | 20% | Dec 2025 |
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| State Street Corporation | 17M | $1.4B | -1% | Dec 2025 |
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| Geode Capital Management | 8.3M | $685M | 1% | Dec 2025 |
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| FMR | 7.9M | $801M | 17% | Sep 2025 |
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| Norges Bank Investment Management | 4.4M | $369M | 100% | Dec 2025 |
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| Dimensional Fund Advisors | 4.4M | $367M | 2% | Dec 2025 |
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| Invesco | 4.4M | $366M | -13% | Dec 2025 |
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| Principal Financial Group | 4.2M | $349M | 66% | Dec 2025 |
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| Northern Trust | 4.2M | $345M | 3% | Dec 2025 |
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| Charles Schwab Investment Management | 3.9M | $322M | 6% | Dec 2025 |
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| Daiwa Securities Group | 3.7M | $303M | 16% | Dec 2025 |
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| Legal & General Group | 3.4M | $278M | 4% | Dec 2025 |
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| Contour Asset Management | 3.2M | $323M | 36% | Sep 2025 |
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| Centersquare Investment Management | 2.6M | $218M | 5% | Dec 2025 |
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| Deutsche Bank Aktiengesellschaft | 2.5M | $211M | -12% | Dec 2025 |
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| Prudential Financial | 2.3M | $192M | 9% | Dec 2025 |
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| Royal Bank of Canada | 2.3M | $234M | 13% | Sep 2025 |
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| Pictet Asset Management Holding SA | 2.3M | $190M | -7% | Dec 2025 |
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| Nuveen | 2.1M | $177M | -1% | Dec 2025 |
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| Capital World Investors | 2.1M | $176M | 0% | Dec 2025 |
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| Jpmorgan Chase & Co | 2.1M | $210M | 100% | Sep 2025 |
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| Ameriprise Financial | 1.7M | $145M | 2% | Dec 2025 |
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| Vontobel Holding | 1.7M | $140M | 57% | Dec 2025 |
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| Bank of New York Mellon | 1.7M | $140M | 1% | Dec 2025 |
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| PGGM Vermogensbeheer B.V. | 1.7M | $138M | -2% | Dec 2025 |
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| Duff & Phelps Investment Management | 1.6M | $131M | -4% | Dec 2025 |
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| Goldman Sachs Group | 1.5M | $127M | 0% | Dec 2025 |
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| Ing Clarion Real Estate Securities | 1.4M | $120M | 14% | Dec 2025 |
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| Russell Investments | 1.4M | $117M | -18% | Dec 2025 |
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| Amundi | 1.3M | $111M | 23% | Dec 2025 |
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| DekaBank Deutsche Girozentrale | 1.1M | $96M | 0% | Dec 2025 |
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| Sei Investments | 1.0M | $85M | 17% | Dec 2025 |
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| Hsbc Holdings | 952k | $97M | 21% | Sep 2025 |
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| Sumitomo Mitsui Trust Holdings | 907k | $75M | -3% | Dec 2025 |
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| Mitsubishi UFJ Asset Management | 840k | $70M | 5% | Dec 2025 |
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| UBS Group | 812k | $67M | -43% | Dec 2025 |
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| Swiss National Bank | 809k | $67M | -5% | Dec 2025 |
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| Point72 Asset Management | 800k | $66M | -38% | Dec 2025 |
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| Barclays | 729k | $61M | -1% | Dec 2025 |
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| Atlantic Trust | 678k | $56M | -6% | Dec 2025 |
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| Welch & Forbes | 656k | $54M | 0% | Dec 2025 |
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| Wells Fargo & Company | 637k | $53M | 0% | Dec 2025 |
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| LPL Financial | 635k | $53M | -11% | Dec 2025 |
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| Epoch Investment Partners | 630k | $52M | -3% | Dec 2025 |
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| Universal- Beteiligungs- und Servicegesellschaft mbH | 625k | $52M | 26% | Dec 2025 |
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| Rhumbline Advisers | 591k | $49M | -1% | Dec 2025 |
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| APG Asset Management US | 582k | $48M | 0% | Dec 2025 |
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| Bnp Paribas Arbitrage, Snc | 562k | $47M | 7% | Dec 2025 |
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| Alliancebernstein | 556k | $57M | -1% | Sep 2025 |
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| Diam | 556k | $46M | 1% | Dec 2025 |
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| Adage Capital Partners GP | 553k | $56M | -1% | Sep 2025 |
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| Susquehanna International | 549k | $46M | -1% | Dec 2025 |
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| Nomura Asset Management | 545k | $45M | 3% | Dec 2025 |
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| Millennium Management | 541k | $55M | -16% | Sep 2025 |
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| CalPERS | 514k | $43M | 0% | Dec 2025 |
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| National Pension Service | 509k | $42M | 3% | Dec 2025 |
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| Border to Coast Pensions Partnership | 500k | $42M | 4% | Dec 2025 |
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| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 496k | $41M | -4% | Dec 2025 |
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| Heitman Real Estate Securities | 491k | $41M | 3% | Dec 2025 |
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| AQR Capital Management | 458k | $46M | 332% | Sep 2025 |
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| Bamco | 437k | $45M | 306% | Sep 2025 |
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| California State Teachers Retirement System | 434k | $36M | -1% | Dec 2025 |
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| Neuberger Berman Group | 431k | $36M | 4% | Dec 2025 |
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| OTR - Nominee Name for The State Teachers Retirement Board of Ohio | 414k | $34M | 61% | Dec 2025 |
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| Rockefeller Capital Management | 404k | $34M | -1% | Dec 2025 |
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| American Century Companies | 396k | $33M | -28% | Dec 2025 |
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| Raymond James Financial | 372k | $31M | -2% | Dec 2025 |
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| Standard Life Aberdeen | 365k | $30M | -5% | Dec 2025 |
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| Adelante Capital Management | 339k | $28M | -12% | Dec 2025 |
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| Great-West Life Assurance Company | 337k | $28M | -24% | Dec 2025 |
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| Teacher Retirement System Of Texas | 334k | $28M | 764% | Dec 2025 |
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| Citadel Advisors | 330k | $34M | -52% | Sep 2025 |
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| Soros Fund Management | 328k | $27M | 100% | Dec 2025 |
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| William Blair $ Company | 318k | $33M | 1% | Sep 2025 |
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| Adell, Harriman, & Carpenter | 315k | $26M | -4% | Dec 2025 |
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| Marble Harbor Investment Counsel | 314k | $26M | -3% | Dec 2025 |
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| Capital Fund Management | 308k | $31M | -36% | Sep 2025 |
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| Macquarie Group | 293k | $24M | 2% | Dec 2025 |
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| Swedbank AB | 285k | $24M | 0% | Dec 2025 |
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| Florida State Board of Administration | 263k | $22M | -3% | Dec 2025 |
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| CI Private Wealth | 262k | $17M | 29% | Dec 2025 |
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| Aviva | 256k | $21M | 6% | Dec 2025 |
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| Captrust Financial Advisors | 255k | $21M | -67% | Dec 2025 |
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| Squarepoint Ops | 252k | $21M | 38% | Dec 2025 |
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| Wellington Management Company | 249k | $25M | -83% | Sep 2025 |
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| Cetera Investment Advisers | 249k | $21M | -2% | Dec 2025 |
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| Americana Partners | 241k | $20M | 100% | Dec 2025 |
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| Brookstone Capital Management | 236k | $20M | 14% | Dec 2025 |
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| Retirement Systems of Alabama | 228k | $19M | -1% | Dec 2025 |
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| New York State Teachers Retirement System | 228k | $19M | 0% | Dec 2025 |
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| Stifel Financial | 227k | $19M | 4% | Dec 2025 |
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| Pacer Advisors | 223k | $19M | -3% | Dec 2025 |
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| Colony | 218k | $18M | 68% | Dec 2025 |
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| Regions Bank | 215k | $18M | -15% | Dec 2025 |
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| Canada Pension Plan Investment Board | 210k | $21M | 95% | Sep 2025 |
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| Schonfeld Strategic Advisors | 209k | $17M | 113% | Dec 2025 |
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| Verition Fund Management | 209k | $17M | 649% | Dec 2025 |
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| CIBC World Markets | 208k | $17M | 21% | Dec 2025 |
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| Zurcher Kantonalbank | 205k | $17M | 1% | Dec 2025 |
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| Andra AP-fonden | 201k | $17M | -7% | Dec 2025 |
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| Victory Capital Management | 199k | $17M | -11% | Dec 2025 |
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| Moran Wealth Management | 195k | $16M | -4% | Dec 2025 |
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| New York State Common Retirement Fund | 184k | $15M | 1% | Dec 2025 |
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| Balyasny Asset Management | 182k | $19M | -53% | Sep 2025 |
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| TD Asset Management | 180k | $15M | 2% | Dec 2025 |
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| Manufacturers Life Insurance Company | 180k | $15M | 0% | Dec 2025 |
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| Intrinsic Edge Capital Management | 180k | $15M | 20% | Dec 2025 |
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| Toronto-Dominion Bank | 177k | $18M | -1% | Sep 2025 |
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| United Capital Financial Advisers | 177k | $18M | -3% | Sep 2025 |
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| Alaska Retirement Management Board | 174k | $14M | -1% | Dec 2025 |
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| State of Wisconsin Investment Board | 173k | $14M | -1% | Dec 2025 |
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| Resona Asset Management | 171k | $14M | -5% | Dec 2025 |
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| Bnp Paribas Investment Partners | 170k | $14M | 96% | Dec 2025 |
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| D. E. Shaw & Co | 169k | $17M | -72% | Sep 2025 |
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| Quantinno Capital Management | 167k | $14M | 39% | Dec 2025 |
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| Commonwealth Equity Services | 167k | $14M | -5% | Dec 2025 |
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| Commonwealth of Pennsylvania | 165k | $14M | -1% | Dec 2025 |
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| Tectonic Advisors | 163k | $14M | 10% | Dec 2025 |
|
| Danske Bank A/s | 163k | $14M | 9% | Dec 2025 |
|
| Klp Kapitalforvaltning As | 161k | $13M | 56% | Dec 2025 |
|
| Engineers Gate Manager | 160k | $13M | 1093% | Dec 2025 |
|
| Envestnet Asset Management | 157k | $13M | -22% | Dec 2025 |
|
| Worldquant Millennium Quantitative Strategies | 156k | $13M | -32% | Dec 2025 |
|
| KBC Group NV | 155k | $13M | 135% | Dec 2025 |
|
| APG All Pensions Group NV | 154k | $11M | -6% | Dec 2025 |
|
| Handelsbanken Fonder AB | 153k | $13M | -5% | Dec 2025 |
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| Chevy Chase Trust Holdings | 150k | $12M | -1% | Dec 2025 |
|
| United Bank | 149k | $12M | -11% | Dec 2025 |
|
| National Bank Of Canada /fi/ | 149k | $12M | -27% | Dec 2025 |
|
| Federated Investors | 148k | $12M | 1% | Dec 2025 |
|
| Royal London Asset Management | 143k | $12M | 0% | Dec 2025 |
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| Brookfield Asset Management | 143k | $12M | 848% | Dec 2025 |
|
| Trust Company of Virginia | 142k | $12M | 2% | Dec 2025 |
|
| DnB NOR Asset Management AS | 141k | $12M | 148% | Dec 2025 |
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| Vert Asset Management | 141k | $12M | 5% | Dec 2025 |
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| Natixis Asset Management Advisors | 140k | $12M | -19% | Dec 2025 |
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| Sanctuary Advisors | 138k | $11M | 9% | Dec 2025 |
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| SG Americas Securities | 138k | $11M | 100% | Dec 2025 |
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| Sargent Investment Group | 135k | $11M | -2% | Dec 2025 |
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| La Banque Postale Asset Management SA | 135k | $11M | -7% | Dec 2025 |
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| Credit Agricole | 135k | $14M | 100% | Sep 2025 |
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| Cambridge Investment Research Advisors | 134k | $11M | -4% | Dec 2025 |
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| AR Asset Management | 131k | $11M | 0% | Dec 2025 |
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| Franklin Resources | 127k | $11M | -22% | Dec 2025 |
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| Creative Planning | 126k | $11M | 6% | Dec 2025 |
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| Korea Investment Corporation | 125k | $10M | 134% | Dec 2025 |
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| Virginia Retirement System | 125k | $10M | -6% | Dec 2025 |
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| Advisor Group Holdings | 123k | $10M | -20% | Dec 2025 |
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| Treasurer of the State of North Carolina | 123k | $10M | -7% | Dec 2025 |
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| NISA Investment Advisors | 115k | $9.6M | -8% | Dec 2025 |
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| NLI International | 108k | $9.1M | -28% | Dec 2025 |
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| Hanson McClain Advisors | 78k | $6.5M | -55% | Dec 2025 |
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| First Trust Advisors | 54k | $4.5M | -64% | Dec 2025 |
|
| Dana Investment Advisors | 47k | $3.9M | -68% | Dec 2025 |
|
| Ubs Global Asset Management Americas | 2.1k | $173k | -100% | Dec 2025 |
|
Who sold out of Iron Mountain?
| Fund or Company Name | Date Sold | Shares Held | Valued At |
|---|---|---|---|
| AEW Capital Management | Sep 2025 | 315k | $32M |
| Gillson Capital | Sep 2025 | 287k | $29M |
| Summit Partners Public Asset Management | Sep 2025 | 185k | $19M |