NYSE: IRM
Iron Mountain Inc Stock Ownership - Who owns Iron Mountain?

Insider buying vs selling

Have Iron Mountain Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Mark KiddEVP GM Data Centers ALM2025-08-016,000$97.20
$583.20kSell
William L. MeaneyPresident and CEO2025-08-0158$96.62
$5.60kSell
William L. MeaneyPresident and CEO2025-08-0110,702$95.80
$1.03MSell
William L. MeaneyPresident and CEO2025-08-0117,336$95.00
$1.65MSell
Greg W. McIntoshEVP CCO GM Global RM2025-08-0117,339$97.20
$1.69MSell
William L. MeaneyPresident and CEO2025-08-0141,029$94.04
$3.86MSell
William L. MeaneyPresident and CEO2025-08-0169,125$36.59
$2.53MBuy
William L. MeaneyPresident and CEO2025-07-0154,162$100.14
$5.42MSell
William L. MeaneyPresident and CEO2025-07-012,624$101.85
$267.26kSell
William L. MeaneyPresident and CEO2025-07-0112,339$101.01
$1.25MSell

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Net Insider Buy/Sell (L12M) Ownership

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IRM Shareholders

What type of owners hold Iron Mountain Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Vanguard Group Inc15.94%47,064,887$4.31BInstitution
Vincent J. Ryan13.22%39,036,129$3.57BInsider
Blackrock Inc10.59%31,278,627$2.86BInstitution
State Street Corp5.69%16,809,643$1.54BInstitution
Cohen Steers Inc4.66%13,768,631$1.26BInstitution
Geode Capital Management LLC2.74%8,086,718$739.85MInstitution
C. Richard Reese2.67%7,871,567$720.17MInsider
Fmr LLC2.27%6,697,419$612.75MInstitution
Dimensional Fund Advisors LP1.45%4,292,766$392.75MInstitution
Invesco Ltd1.45%4,289,583$392.45MInstitution

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IRM vs Specialty REIT Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
IRM82.46%17.54%Net SellingNet Selling
SBAC85.54%14.46%Net SellingNet Selling
WY88.99%1.63%Net SellingNet Buying
GLPI59.08%40.92%Net SellingNet Selling
LAMR56.22%43.78%Net Buying

Iron Mountain Stock Ownership FAQ

Who owns Iron Mountain?

Iron Mountain (NYSE: IRM) is owned by 84.00% institutional shareholders, 17.86% Iron Mountain insiders, and 0.00% retail investors. Vincent J. Ryan is the largest individual Iron Mountain shareholder, owning 39.04M shares representing 13.22% of the company. Vincent J. Ryan's Iron Mountain shares are currently valued at $3.57B.

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