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
William L. MeaneyPresident and CEO2025-12-0110,569$83.93
$887.10kSell
William L. MeaneyPresident and CEO2025-12-0158,556$83.23
$4.87MSell
William L. MeaneyPresident and CEO2025-12-0169,125$36.59
$2.53MBuy
Mark KiddEVP GM Data Centers ALM2025-12-016,000$85.00
$510.00kSell
Christie B. KellyDirector2025-11-1933$89.52
$2.95kBuy
William L. MeaneyPresident and CEO2025-11-0310,828$103.69
$1.12MSell
Mark KiddEVP GM Data Centers ALM2025-11-036,000$102.51
$615.06kSell
William L. MeaneyPresident and CEO2025-11-0335,678$102.92
$3.67MSell
William L. MeaneyPresident and CEO2025-11-0322,619$102.02
$2.31MSell
William L. MeaneyPresident and CEO2025-11-0369,125$36.59
$2.53MBuy

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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 Inc15.99%47,253,100$4.02BInstitution
Vincent J. Ryan13.21%39,036,129$3.32BInsider
Blackrock Inc10.73%31,709,064$2.70BInstitution
State Street Corp5.80%17,131,787$1.46BInstitution
Cohen Steers Inc5.33%15,748,682$1.34BInstitution
Geode Capital Management LLC2.77%8,190,580$697.02MInstitution
C. Richard Reese2.66%7,871,567$669.87MInsider
Fmr LLC2.66%7,858,092$668.72MInstitution
Invesco Ltd1.71%5,066,516$431.16MInstitution
Dimensional Fund Advisors LP1.47%4,348,039$370.02MInstitution

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IRM vs Specialty REIT Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
IRM82.47%17.53%Net SellingNet Selling
SBAC85.08%14.92%Net SellingNet Selling
WY84.88%1.63%Net SellingNet Selling
LAMR56.50%43.50%Net Selling
GLPI59.49%40.51%Net SellingNet Selling

Iron Mountain Stock Ownership FAQ

Who owns Iron Mountain?

Iron Mountain (NYSE: IRM) is owned by 84.44% institutional shareholders, 17.95% Iron Mountain insiders, and 0.00% retail investors. Vincent J. Ryan is the largest individual Iron Mountain shareholder, owning 39.04M shares representing 13.21% of the company. Vincent J. Ryan's Iron Mountain shares are currently valued at $3.34B.

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