Iron Mountain Incorporated Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 11/07/2025 | 47.25 M | $4.82 B | 0.40% | 16.00% |
| BLACKROCK, INC. | 11/12/2025 | 31.71 M | $3.23 B | 1.38% | 10.74% |
| STATE STREET CORP | 11/14/2025 | 17.13 M | $1.76 B | 1.92% | 5.80% |
| COHEN & STEERS, INC. | 11/14/2025 | 15.75 M | $1.61 B | 14.38% | 5.33% |
| GEODE CAPITAL MANAGEMENT, LLC | 11/12/2025 | 8.19 M | $831.73 M | 1.28% | 2.77% |
| FMR LLC | 11/13/2025 | 7.86 M | $801.05 M | 17.33% | 2.66% |
| INVESCO LTD. | 11/13/2025 | 5.07 M | $516.48 M | 18.11% | 1.72% |
| DIMENSIONAL FUND ADVISORS LP | 11/12/2025 | 4.35 M | $443.22 M | 1.29% | 1.47% |
| NORTHERN TRUST CORP | 11/14/2025 | 4.03 M | $410.98 M | -0.89% | 1.36% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 11/10/2025 | 3.67 M | $374.55 M | 1.34% | 1.24% |
| MORGAN STANLEY | 11/14/2025 | 3.61 M | $368.15 M | 2.99% | 1.22% |
| LEGAL & GENERAL GROUP PLC | 11/13/2025 | 3.22 M | $327.78 M | -2.07% | 1.09% |
| CONTOUR ASSET MANAGEMENT LLC | 11/14/2025 | 3.17 M | $322.72 M | 35.56% | 1.07% |
| UBS ASSET MANAGEMENT AMERICAS INC | 11/14/2025 | 3.16 M | $322.29 M | 597.88% | 1.07% |
| DAIWA SECURITIES GROUP INC. | 11/14/2025 | 3.15 M | $321.22 M | 6.64% | 1.07% |
| DEUTSCHE BANK AG\ | 11/13/2025 | 2.89 M | $294.65 M | -15.72% | 0.98% |
| PRINCIPAL FINANCIAL GROUP INC | 11/04/2025 | 2.53 M | $257.62 M | -2.23% | 0.86% |
| CENTERSQUARE INVESTMENT MANAGEMENT LLC | 11/12/2025 | 2.51 M | $256.32 M | 23.81% | 0.85% |
| PICTET ASSET MANAGEMENT HOLDING SA | 11/18/2025 | 2.46 M | $251.11 M | -0.46% | 0.83% |
| ROYAL BANK OF CANADA | 11/14/2025 | 2.30 M | $234.36 M | 12.54% | 0.78% |
| NUVEEN, LLC | 11/12/2025 | 2.14 M | $218.41 M | 4.27% | 0.73% |
| CAPITAL WORLD INVESTORS | 11/13/2025 | 2.12 M | $215.82 M | 0.00% | 0.72% |
| PRUDENTIAL FINANCIAL INC | 11/13/2025 | 2.11 M | $215.46 M | 8.63% | 0.72% |
| JPMORGAN CHASE & CO | 11/26/2025 | 2.06 M | $209.63 M | 4.23% | 0.70% |
| RUSSELL INVESTMENTS GROUP, LTD. | 11/13/2025 | 1.71 M | $173.91 M | -6.43% | 0.58% |
| AMERIPRISE FINANCIAL INC | 11/14/2025 | 1.71 M | $173.78 M | 0.01% | 0.58% |
| PGGM INVESTMENTS | 10/28/2025 | 1.68 M | $171.75 M | 7.60% | 0.57% |
| BANK OF NEW YORK MELLON CORP | 11/03/2025 | 1.67 M | $169.89 M | -4.63% | 0.56% |
| DUFF & PHELPS INVESTMENT MANAGEMENT CO | 11/13/2025 | 1.64 M | $167.39 M | 11.51% | 0.56% |
| UBS GROUP AG | 11/13/2025 | 1.44 M | $146.42 M | -20.22% | 0.49% |
| GOLDMAN SACHS GROUP INC | 11/14/2025 | 1.35 M | $138.04 M | -27.97% | 0.46% |
| POINT72 ASSET MANAGEMENT, L.P. | 11/14/2025 | 1.30 M | $132.17 M | 27.82% | 0.44% |
| CBRE INVESTMENT MANAGEMENT LISTED REAL ASSETS LLC | 11/13/2025 | 1.27 M | $129.41 M | 18.30% | 0.43% |
| BANK OF AMERICA CORP /DE/ | 11/14/2025 | 1.23 M | $125.18 M | -1.72% | 0.42% |
| DEKABANK DEUTSCHE GIROZENTRALE | 11/03/2025 | 1.12 M | $112.34 M | 0.00% | 0.38% |
| AMUNDI | 11/14/2025 | 1.09 M | $115.44 M | -32.20% | 0.37% |
| VONTOBEL HOLDING LTD. | 10/15/2025 | 1.08 M | $109.94 M | 100.00% | 0.37% |
| HSBC HOLDINGS PLC | 11/13/2025 | 951.58 K | $96.87 M | 21.33% | 0.32% |
| SUMITOMO MITSUI TRUST HOLDINGS, INC. | 10/27/2025 | 934.75 K | $95.29 M | 1.12% | 0.32% |
| SEI INVESTMENTS CO | 11/13/2025 | 872.87 K | $88.98 M | -1.38% | 0.30% |
| SWISS NATIONAL BANK | 11/13/2025 | 850.56 K | $86.71 M | -4.35% | 0.29% |
| MITSUBISHI UFJ KOKUSAI ASSET MANAGEMENT CO., LTD. | 11/12/2025 | 802.31 K | $81.79 M | 4.66% | 0.27% |
| CAPTRUST FINANCIAL ADVISORS | 11/19/2025 | 768.27 K | $78.32 M | -0.12% | 0.26% |
| BARCLAYS PLC | 11/12/2025 | 739.89 K | $75.42 M | 36.09% | 0.25% |
| CIBC PRIVATE WEALTH GROUP, LLC | 11/24/2025 | 721.09 K | $73.51 M | -1.66% | 0.24% |
| LPL FINANCIAL LLC | 11/12/2025 | 709.40 K | $72.32 M | 5.32% | 0.24% |
| WELCH & FORBES LLC | 11/04/2025 | 658.99 K | $67.18 M | -1.49% | 0.22% |
| EPOCH INVESTMENT PARTNERS, INC. | 11/13/2025 | 650.76 K | $66.34 M | -4.81% | 0.22% |
| WELLS FARGO & COMPANY/MN | 11/13/2025 | 637.84 K | $65.02 M | 1.98% | 0.22% |
| RHUMBLINE ADVISERS | 11/06/2025 | 596.64 K | $60.82 M | -3.75% | 0.20% |
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Iron Mountain Incorporated institutional Ownership - FAQ's
During the previous two years, 1391 institutional investors and hedge funds held shares of Iron Mountain Incorporated. The most heavily invested institutionals were:
VANGUARD GROUP INC: 47.25 M
BlackRock, Inc.: 31.71 M
STATE STREET CORP: 17.13 M
COHEN & STEERS, INC.: 15.75 M
GEODE CAPITAL MANAGEMENT, LLC: 8.19 M
FMR LLC: 7.86 M
84.50% of Iron Mountain Incorporated stock is owned by institutional investors.
Institutional investors have bought a total of 324.79 M shares in the last 24 months. This purchase volume represents approximately $34.05 B in transactions.