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

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Iron Mountain Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
William L. MeaneyPresident and CEO2026-07-019,656$122.84
$1.19MSell
William L. MeaneyPresident and CEO2026-07-0117,514$121.81
$2.13MSell
Mark KiddEVP GM Data Centers ALM2026-07-016,000$125.62
$753.72kSell
William L. MeaneyPresident and CEO2026-07-012,530$125.82
$318.32kSell
William L. MeaneyPresident and CEO2026-07-011,601$124.72
$199.68kSell
William L. MeaneyPresident and CEO2026-07-017,173$123.84
$888.30kSell
William L. MeaneyPresident and CEO2026-07-0138,474$37.00
$1.42MBuy
William L. MeaneyPresident and CEO2026-06-019,247$129.14
$1.19MSell
Mark KiddEVP GM Data Centers ALM2026-06-016,000$126.70
$760.20kSell
William L. MeaneyPresident and CEO2026-06-0110,156$126.20
$1.28MSell

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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. Ryan13.11%39,036,129$4.73BInsider
Blackrock Inc11.09%33,021,354$4.00BInstitution
Vanguard Portfolio Management LLC8.40%25,015,557$3.03BInstitution
Vanguard Capital Management LLC6.30%18,758,889$2.27BInstitution
State Street Corp5.90%17,551,633$2.13BInstitution
Cohen Steers Inc5.43%16,169,341$1.96BInstitution
Geode Capital Management LLC2.85%8,486,127$1.03BInstitution
C. Richard Reese2.64%7,871,567$953.64MInsider
Fmr LLC2.51%7,484,398$906.73MInstitution
Morgan Stanley1.56%4,652,247$563.62MInstitution

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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 Selling
SBAC85.09%14.91%Net SellingNet Selling
WY88.59%1.70%Net SellingNet Buying
LAMR55.15%44.85%Net SellingNet Selling
View Top Specialty REIT Stocks

Iron Mountain Stock Ownership FAQ

Who owns Iron Mountain?

Iron Mountain (NYSE: IRM) is owned by 84.91% institutional shareholders, 17.90% Iron Mountain insiders, and 0.00% retail investors. Vincent J. Ryan is the largest individual Iron Mountain shareholder, owning 39.04M shares representing 13.11% of the company. Vincent J. Ryan's Iron Mountain shares are currently valued at $4.73B.

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