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Iron Mountain Inc
IRMAdd to Watchlist
132.130USD
+0.270+0.20%
Market hours （ET）Quotes delayed by 15 min
39.08BMarket Cap
143.73P/E TTM
Shareholding Stats
Updated: Sun, May 10
Updated: Sun, May 10
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
Vanguard Portfolio Management, LLC
8.41%
BlackRock Institutional Trust Company, N.A.
7.33%
Vanguard Capital Management, LLC
6.30%
State Street Investment Management (US)
5.68%
Cohen & Steers Capital Management, Inc.
4.89%
Other
67.39%
Shareholders
Shareholders
Proportion
Vanguard Portfolio Management, LLC
8.41%
BlackRock Institutional Trust Company, N.A.
7.33%
Vanguard Capital Management, LLC
6.30%
State Street Investment Management (US)
5.68%
Cohen & Steers Capital Management, Inc.
4.89%
Other
67.39%
Shareholder Types
Shareholders
Proportion
Investment Advisor
47.66%
Investment Advisor/Hedge Fund
28.46%
Pension Fund
2.79%
Hedge Fund
2.74%
Research Firm
2.11%
Sovereign Wealth Fund
1.54%
Bank and Trust
1.43%
Individual Investor
0.89%
Insurance Company
0.13%
Other
12.26%
Institutional Shareholding
Updated: Sun, Apr 5
Updated: Sun, Apr 5
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2026Q1
1973
262.57M
88.25%
-4.69M
2025Q4
1942
260.37M
88.08%
+2.80M
2025Q3
1913
254.00M
86.00%
+640.35K
2025Q2
1912
252.10M
85.36%
+9.06M
2025Q1
1931
252.18M
85.47%
+5.19M
2024Q4
1878
244.36M
83.20%
-10.33M
2024Q3
1810
248.45M
84.70%
-10.80M
2024Q2
1723
254.85M
86.94%
+5.57M
2024Q1
1694
244.60M
83.69%
-2.07M
2023Q4
1633
240.93M
82.52%
+11.86M
View more
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
BlackRock Institutional Trust Company, N.A.
21.80M
7.33%
+827.72K
+3.95%
Dec 31, 2025
State Street Investment Management (US)
16.89M
5.68%
-242.99K
-1.42%
Dec 31, 2025
Cohen & Steers Capital Management, Inc.
18.90M
6.35%
+3.16M
+20.03%
Dec 31, 2025
Geode Capital Management, L.L.C.
8.29M
2.79%
+102.07K
+1.25%
Dec 31, 2025
Fidelity Management & Research Company LLC
5.07M
1.7%
+213.13K
+4.39%
Dec 31, 2025
Principal Global Investors (Equity)
4.21M
1.41%
+1.68M
+66.50%
Dec 31, 2025
Dimensional Fund Advisors, L.P.
4.43M
1.49%
+81.32K
+1.87%
Dec 31, 2025
Norges Bank Investment Management (NBIM)
4.45M
1.49%
+357.67K
+8.75%
Dec 31, 2025
View more
Related ETFs
Updated: Thu, Nov 6
Updated: Thu, Nov 6
Name
Proportion
Cohen & Steers Real Estate Active ETF
4.89%
Pacer Data & Infrastructure RE
4.72%
WisdomTree New Economy Real Estate Fund
4.57%
Invesco S&P 500 Equal Weight Real Estate ETF
3.69%
Fidelity Real Estate Investment ETF
3.63%
ETFB Green SRI REITs ETF
3.61%
Intelligent Real Estate ETF
3.39%
iShares Select US REIT ETF
3.31%
Principal Real Estate Active Opportunities ETF
3.27%
Proshares Ultra Real Estate
3.11%
View more
Cohen & Steers Real Estate Active ETF
Proportion4.89%
Pacer Data & Infrastructure RE
Proportion4.72%
WisdomTree New Economy Real Estate Fund
Proportion4.57%
Invesco S&P 500 Equal Weight Real Estate ETF
Proportion3.69%
Fidelity Real Estate Investment ETF
Proportion3.63%
ETFB Green SRI REITs ETF
Proportion3.61%
Intelligent Real Estate ETF
Proportion3.39%
iShares Select US REIT ETF
Proportion3.31%
Principal Real Estate Active Opportunities ETF
Proportion3.27%
Proshares Ultra Real Estate
Proportion3.11%
