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Iron Mountain Incorporated (IRM)

102.21
+0.93
+(0.92%)
At close: June 6 at 4:00:02 PM EDT
103.00
+0.79
+(0.77%)
After hours: June 6 at 7:21:48 PM EDT

Major Holders

Breakdown
0.80% % of Shares Held by All Insider
84.38% % of Shares Held by Institutions
85.06% % of Float Held by Institutions
1,381 Number of Institutions Holding Shares

Top Institutional Holders

HolderSharesDate Reported% OutValue
Vanguard Group Inc 46.83M Mar 31, 2025 15.87% 4,786,058,229
Blackrock Inc. 35.22M Mar 31, 2025 11.94% 3,600,120,209
State Street Corporation 16.71M Mar 31, 2025 5.66% 1,707,430,197
Cohen & Steers Inc. 13.48M Mar 31, 2025 4.57% 1,377,985,191
Geode Capital Management, LLC 8.28M Mar 31, 2025 2.81% 846,644,568
FMR, LLC 5.29M Mar 31, 2025 1.79% 540,357,179
Northern Trust Corporation 4.27M Mar 31, 2025 1.45% 436,163,182
Dimensional Fund Advisors LP 4.26M Mar 31, 2025 1.44% 435,048,377
Charles Schwab Investment Management, Inc. 3.49M Mar 31, 2025 1.18% 356,455,225
Morgan Stanley 3.39M Mar 31, 2025 1.15% 346,393,673

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
VANGUARD SPECIALIZED FUNDS-Vanguard Real Estate Index Fund 11.32M Jan 31, 2025 3.84% 1,156,974,874
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund 9.28M Mar 31, 2025 3.15% 948,665,275
VANGUARD INDEX FUNDS-Vanguard 500 Index Fund 8.16M Mar 31, 2025 2.77% 834,372,827
VANGUARD INDEX FUNDS-Vanguard Mid-Cap Index Fund 6.33M Mar 31, 2025 2.14% 646,568,495
Fidelity Concord Street Trust-Fidelity 500 Index Fund 3.69M Mar 31, 2025 1.25% 376,672,874
SPDR S&P 500 ETF TRUST 3.54M Apr 30, 2025 1.20% 361,517,788
iShares Trust-iShares Core S&P 500 ETF 3.48M Apr 30, 2025 1.18% 355,470,023
VANGUARD INDEX FUNDS-Vanguard Value Index Fund 2.57M Mar 31, 2025 0.87% 262,962,512
COHEN & STEERS REAL ESTATE SECURITIES Fd. INC-Cohen & Steers Real Esta 2.13M Mar 31, 2025 0.72% 217,456,781
Income Fund of America 2.12M Mar 31, 2025 0.72% 216,395,841

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