Also trades as: 0JDP.L (LSE) · $vol 0M
IRM Institutional Ownership
Iron Mountain Incorporated
1W: +1.9%
1M: +3.8%
3M: -3.8%
YTD: +41.6%
1Y: +13.2%
3Y: +114.2%
5Y: +209.8%
$115.34
+2.26 (+2.00%)
Weekly Expected Move ±3.9%
$101
$106
$110
$114
$119
Credit Risk of going bust: not rated, financial company (lending is its business) Bonds: $1.17B held by 555 funds, 148 bp over Treasuries → details ▾
Not rated: lending and leverage are a financial company's business, which the model misreads.
Bond figures are fund-reported marks (SEC N-PORT) as of Jul 2026. How these are computed.
Bond figures are fund-reported marks (SEC N-PORT) as of Jul 2026. How these are computed.
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Institutional Ownership — IRM
1,239
Institutional Holders
+56 vs prior quarter
0.0%
Ownership
+0.00pp
$31B
Total Invested
155
New Positions
446
Increased
446
Reduced
64
Closed
0.78
Put/Call Ratio
Ownership Trends
Top Institutional Holders (1303 total)
| # | Holder | Shares | Value | Change | Change % | Holding Period | Filing |
|---|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 33,570,910 | $3.9B | +549,556 | +1.7% | 8Q | SEC ↗ |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 25,568,944 | $2.9B | +553,387 | +2.2% | 2Q | SEC ↗ |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 18,953,705 | $2.2B | +194,816 | +1.0% | 2Q | SEC ↗ |
| 4 | STATE STREET CORP | 17,634,044 | $2.0B | +82,411 | +0.5% | 46Q | SEC ↗ |
| 5 | COHEN & STEERS, INC. | 12,019,735 | $1.4B | -4,149,606 | -25.7% | 19Q | SEC ↗ |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 8,649,249 | $998M | +163,122 | +1.9% | 45Q | SEC ↗ |
| 7 | FMR LLC | 7,872,365 | $908M | +387,967 | +5.2% | 46Q | SEC ↗ |
| 8 | DIMENSIONAL FUND ADVISORS LP | 4,625,684 | $534M | +73,398 | +1.6% | 46Q | SEC ↗ |
| 9 | MORGAN STANLEY | 4,426,922 | $511M | -225,325 | -4.8% | 46Q | SEC ↗ |
| 10 | PRINCIPAL FINANCIAL GROUP INC | 4,373,424 | $504M | -192,669 | -4.2% | 46Q | SEC ↗ |
| 11 | CHARLES SCHWAB INVESTMENT MANAGEMENT I | 4,263,487 | $492M | +250,480 | +6.2% | 15Q | SEC ↗ |
| 12 | Sixth Street Partners Management Compa NEW | 4,263,487 | $492M | — | +0.0% | 1Q | SEC ↗ |
| 13 | NORTHERN TRUST CORP | 4,222,967 | $487M | +72,481 | +1.7% | 46Q | SEC ↗ |
| 14 | NORGES BANK NEW | 4,214,697 | $486M | — | +0.0% | 1Q | SEC ↗ |
| 15 | Invesco Ltd. | 4,065,649 | $469M | +144,128 | +3.7% | 46Q | SEC ↗ |
| 16 | Legal & General Group Plc | 3,244,741 | $374M | +109,667 | +3.5% | 27Q | SEC ↗ |
| 17 | UBS AM, a distinct business unit of UB | 3,193,560 | $368M | +3,182,834 | +29674.0% | 46Q | SEC ↗ |
| 18 | DEUTSCHE BANK AG | 3,049,079 | $352M | -43,005 | -1.4% | 46Q | SEC ↗ |
| 19 | GOLDMAN SACHS GROUP INC | 2,822,732 | $326M | +606,060 | +27.3% | 15Q | SEC ↗ |
| 20 | CENTERSQUARE INVESTMENT MANAGEMENT LLC | 2,323,974 | $268M | +13,929 | +0.6% | 14Q | SEC ↗ |
| 21 | Nuveen, LLC | 2,218,771 | $256M | +150,363 | +7.3% | 6Q | SEC ↗ |
| 22 | JPMORGAN CHASE & CO | 2,212,137 | $255M | +88,779 | +4.2% | 46Q | SEC ↗ |
| 23 | AQR CAPITAL MANAGEMENT LLC | 2,127,095 | $245M | +281,022 | +15.2% | 46Q | SEC ↗ |
| 24 | PRUDENTIAL FINANCIAL INC | 1,974,079 | $228M | -441,984 | -18.3% | 46Q | SEC ↗ |
| 25 | Vontobel Holding Ltd. | 1,919,656 | $221M | -197,221 | -9.3% | 4Q | SEC ↗ |
| 26 | Daiwa Securities Group Inc. | 1,861,547 | $215M | -1,245,893 | -40.1% | 46Q | SEC ↗ |
| 27 | AMERIPRISE FINANCIAL INC | 1,668,337 | $192M | -182,670 | -9.9% | 16Q | SEC ↗ |
| 28 | VANGUARD FIDUCIARY TRUST CO | 1,658,635 | $191M | +5,747 | +0.3% | 2Q | SEC ↗ |
| 29 | ROYAL BANK OF CANADA | 1,640,511 | $189M | +229,791 | +16.3% | 46Q | SEC ↗ |
| 30 | Bank of New York Mellon Corp | 1,600,078 | $185M | -24,758 | -1.5% | 46Q | SEC ↗ |
| 31 | DUFF & PHELPS INVESTMENT MANAGEMENT CO | 1,455,435 | $168M | -119,902 | -7.6% | 12Q | SEC ↗ |
| 32 | Russell Investments Group, Ltd. | 1,403,623 | $162M | -51,490 | -3.5% | 39Q | SEC ↗ |
| 33 | HSBC HOLDINGS PLC | 1,347,871 | $155M | +75,016 | +5.9% | 46Q | SEC ↗ |
| 34 | Contour Asset Management LLC | 1,274,684 | $147M | -170,139 | -11.8% | 6Q | SEC ↗ |
| 35 | Capital World Investors | 1,217,169 | $140M | -650,000 | -34.8% | 47Q | SEC ↗ |
| 36 | Amundi | 1,168,430 | $135M | +76,856 | +7.0% | 21Q | SEC ↗ |
| 37 | AMERICAN CENTURY COMPANIES INC | 1,154,487 | $133M | +338,695 | +41.5% | 15Q | SEC ↗ |
| 38 | DekaBank Deutsche Girozentrale | 1,122,500 | $129M | — | +0.0% | 27Q | SEC ↗ |
| 39 | BANK OF AMERICA CORP /DE | 1,118,827 | $129M | -280,548 | -20.0% | 15Q | SEC ↗ |
| 40 | CBRE INVESTMENT MANAGEMENT LISTED REAL | 1,072,881 | $124M | -165,034 | -13.3% | 8Q | SEC ↗ |
| 41 | Mitsubishi UFJ Asset Management Co., L | 982,596 | $113M | +74,231 | +8.2% | 46Q | SEC ↗ |
| 42 | UBS Group AG | 915,101 | $106M | +113,671 | +14.2% | 46Q | SEC ↗ |
| 43 | Sumitomo Mitsui Trust Group, Inc. | 896,560 | $103M | -37,162 | -4.0% | 46Q | SEC ↗ |
| 44 | Swiss National Bank | 839,061 | $97M | -28,400 | -3.3% | 46Q | SEC ↗ |
| 45 | Pictet Asset Management Holding SA | 817,622 | $94M | -47,115 | -5.4% | 12Q | SEC ↗ |
| 46 | CIBC Bancorp USA Inc. | 777,480 | $90M | -51,313 | -6.2% | 2Q | SEC ↗ |
| 47 | BARCLAYS PLC | 743,343 | $86M | +69,572 | +10.3% | 46Q | SEC ↗ |
| 48 | APG Asset Management US Inc. | 703,912 | $81M | — | +0.0% | 9Q | SEC ↗ |
| 49 | SEI INVESTMENTS CO | 697,737 | $80M | -277,055 | -28.4% | 15Q | SEC ↗ |
| 50 | Aberdeen Group plc | 691,514 | $80M | +320,306 | +86.3% | 36Q | SEC ↗ |
Recent Activity
New Positions (20)
| Holder | Shares | Value |
|---|---|---|
| Sixth Street Partners Management Co | 4,263,487 | $492M |
| NORGES BANK | 4,214,697 | $486M |
| VOLORIDGE INVESTMENT MANAGEMENT, LL | 412,748 | $48M |
| SG Americas Securities, LLC | 284,584 | $33M |
| SUMMIT PARTNERS PUBLIC ASSET MANAGE | 235,567 | $27M |
| Gillson Capital LP | 137,932 | $16M |
| O'Neil Global Advisors, Inc. | 113,164 | $13M |
| D. E. Shaw & Co., Inc. | 109,823 | $13M |
| Nykredit A/S | 104,462 | $12M |
| Curated Wealth Partners LLC | 81,396 | $9M |
| BAROMETER CAPITAL MANAGEMENT INC. | 61,400 | $7M |
| SHELTON CAPITAL MANAGEMENT | 52,840 | $6M |
| Cinctive Capital Management LP | 42,348 | $5M |
| Jupiter Topco LLC | 33,266 | $4M |
| Munich Reinsurance Co Stock Corp in | 32,749 | $4M |
| Elo Mutual Pension Insurance Co | 31,834 | $4M |
| ELEVATUS WELATH MANAGEMENT | 29,662 | $3M |
| CANADA PENSION PLAN INVESTMENT BOAR | 29,362 | $3M |
| Aster Capital Management (DIFC) Ltd | 19,478 | $2M |
| Kentucky Retirement Systems | 18,521 | $2M |
Sold Out (20)
| Holder | Prev Shares | Prev Value |
|---|---|---|
| Epoch Investment Partners, Inc. | 616,513 | $71M |
| STRS OHIO | 287,817 | $33M |
| Verition Fund Management LLC | 208,951 | $24M |
| Hudson Bay Capital Management LP | 190,884 | $22M |
| SG Capital Management LLC | 163,636 | $19M |
| AR ASSET MANAGEMENT INC | 130,600 | $15M |
| Polar Asset Management Partners Inc | 86,400 | $10M |
| Qube Research & Technologies Ltd | 81,478 | $9M |
| PEAK6 LLC | 60,388 | $7M |
| Man Group plc | 57,346 | $7M |
| Skandinaviska Enskilda Banken AB (p | 54,151 | $6M |
| Oak Thistle LLC | 53,641 | $6M |
| SORA INVESTORS LLC | 47,345 | $5M |
| Anson Funds Management LP | 42,200 | $5M |
| Fieldview Capital Management, LLC | 36,518 | $4M |
| Y-Intercept (Hong Kong) Ltd | 33,654 | $4M |
| Prana Capital Management, LP | 31,092 | $4M |
| Sage Capital Management, LLC | 26,692 | $3M |
| Jain Global LLC | 24,108 | $3M |
| INCEPTIONR LLC | 23,512 | $3M |
Biggest Increases (20)
| Holder | Added | Change % | Total Shares |
|---|---|---|---|
| UBS AM, a distinct business unit of | +3,182,834 | +29674.0% | 3,193,560 |
| GOLDMAN SACHS GROUP INC | +606,060 | +27.3% | 2,822,732 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | +553,387 | +2.2% | 25,568,944 |
| BlackRock, Inc. | +549,556 | +1.7% | 33,570,910 |
| FMR LLC | +387,967 | +5.2% | 7,872,365 |
| AMERICAN CENTURY COMPANIES INC | +338,695 | +41.5% | 1,154,487 |
| Aberdeen Group plc | +320,306 | +86.3% | 691,514 |
| Robeco Institutional Asset Manageme | +283,296 | +1940.0% | 297,899 |
| AQR CAPITAL MANAGEMENT LLC | +281,022 | +15.2% | 2,127,095 |
| Quantinno Capital Management LP | +268,630 | +83.4% | 590,647 |
| RAYMOND JAMES FINANCIAL INC | +266,406 | +90.3% | 561,539 |
| CHARLES SCHWAB INVESTMENT MANAGEMEN | +250,480 | +6.2% | 4,263,487 |
| ROYAL BANK OF CANADA | +229,791 | +16.3% | 1,640,511 |
| HEALTHCARE OF ONTARIO PENSION PLAN | +229,015 | +106.6% | 443,901 |
| GW&K Investment Management, LLC | +196,036 | +80342.6% | 196,280 |
| VANGUARD CAPITAL MANAGEMENT LLC | +194,816 | +1.0% | 18,953,705 |
| WELLINGTON MANAGEMENT GROUP LLP | +164,991 | +47.4% | 512,906 |
| GEODE CAPITAL MANAGEMENT, LLC | +163,122 | +1.9% | 8,649,249 |
| Nuveen, LLC | +150,363 | +7.3% | 2,218,771 |
| Invesco Ltd. | +144,128 | +3.7% | 4,065,649 |
Biggest Decreases (20)
| Holder | Reduced | Change % | Total Shares |
|---|---|---|---|
| COHEN & STEERS, INC. | -4,149,606 | -25.7% | 12,019,735 |
| Daiwa Securities Group Inc. | -1,245,893 | -40.1% | 1,861,547 |
| PGGM Investments | -694,905 | -50.7% | 675,093 |
| Capital World Investors | -650,000 | -34.8% | 1,217,169 |
| PRUDENTIAL FINANCIAL INC | -441,984 | -18.3% | 1,974,079 |
| JANE STREET GROUP, LLC | -310,900 | -43.9% | 396,541 |
| BANK OF AMERICA CORP /DE | -280,548 | -20.0% | 1,118,827 |
| SEI INVESTMENTS CO | -277,055 | -28.4% | 697,737 |
| Point72 Asset Management, L.P. | -254,356 | -67.4% | 123,262 |
| MORGAN STANLEY | -225,325 | -4.8% | 4,426,922 |
| MILLENNIUM MANAGEMENT LLC | -217,406 | -58.1% | 157,057 |
| BAMCO INC /NY | -214,549 | -40.8% | 310,721 |
| Schonfeld Strategic Advisors LLC | -209,448 | -84.2% | 39,438 |
| Vontobel Holding Ltd. | -197,221 | -9.3% | 1,919,656 |
| Border to Coast Pensions Partnershi | -195,000 | -41.5% | 275,000 |
| PRINCIPAL FINANCIAL GROUP INC | -192,669 | -4.2% | 4,373,424 |
| Brookfield Corp /ON | -182,993 | -97.2% | 5,262 |
| AMERIPRISE FINANCIAL INC | -182,670 | -9.9% | 1,668,337 |
| Contour Asset Management LLC | -170,139 | -11.8% | 1,274,684 |
| CBRE INVESTMENT MANAGEMENT LISTED R | -165,034 | -13.3% | 1,072,881 |