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 CEO2026-06-0138,474$37.00
$1.42MBuy
William L. MeaneyPresident and CEO2026-06-0110,457$127.00
$1.33MSell
William L. MeaneyPresident and CEO2026-06-0110,156$126.20
$1.28MSell
Mark KiddEVP GM Data Centers ALM2026-06-016,000$126.70
$760.20kSell
William L. MeaneyPresident and CEO2026-06-011,091$129.66
$141.46kSell
William L. MeaneyPresident and CEO2026-06-019,247$129.14
$1.19MSell
William L. MeaneyPresident and CEO2026-06-017,523$127.90
$962.19kSell
Daniel BorgesSVP Chief Accounting Officer2026-05-217,189$125.50
$902.22kSell
Walter C. RakowichDirector2026-05-20757$124.45
$94.21kSell
Pamela M. ArwayDirector2026-05-121,892$128.97
$244.01kSell

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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
Vincent J. Ryan13.12%39,036,129$5.00BInsider
Blackrock Inc11.10%33,021,354$4.23BInstitution
Vanguard Portfolio Management LLC8.41%25,015,557$3.21BInstitution
Vanguard Capital Management LLC6.30%18,758,889$2.41BInstitution
State Street Corp5.90%17,551,633$2.25BInstitution
Cohen Steers Inc5.43%16,169,341$2.07BInstitution
Geode Capital Management LLC2.85%8,486,127$1.09BInstitution
C. Richard Reese2.65%7,871,567$1.01BInsider
Fmr LLC2.52%7,484,398$959.57MInstitution
Morgan Stanley1.56%4,652,247$596.46MInstitution

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IRM vs Specialty REIT Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
IRM82.59%17.41%Net SellingNet Selling
CCI76.45%23.55%Net SellingNet Selling
SBAC85.09%14.91%Net SellingNet Selling
WY88.55%1.70%Net SellingNet Buying
LAMR55.15%44.85%Net SellingNet Selling

Iron Mountain Stock Ownership FAQ

Who owns Iron Mountain?

Iron Mountain (NYSE: IRM) is owned by 84.96% institutional shareholders, 17.91% Iron Mountain insiders, and 0.00% retail investors. Vincent J. Ryan is the largest individual Iron Mountain shareholder, owning 39.04M shares representing 13.12% of the company. Vincent J. Ryan's Iron Mountain shares are currently valued at $4.90B.

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