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© 2026 DataHeimdall. All rights reserved.Data sourced from SEC EDGAR public filings.
Insider Trades

IRM

IRON MOUNTAIN INC

Superinvestors

Institutional investors holding IRM

Consensus →
InvestorFundWeightSharesValueQuarter
Tom BancroftMakaira Partners6.57%1,829,944$63.2M2018Q3
Kenneth FisherFisher Asset Management0.00%3,482$356K2026Q1

Congressional Activity

Congressional data coming soon

Insider Activity

14

Total trades

$6.8M

Volume

6

Buys

6

Sells

Last trade: May 21, 2026

Insider Tradeslast 90 days

DateInsiderTypeValue
May 21, 2026Daniel BorgesSell$902K
May 12, 2026Pamela M ArwaySell$244K

Congressional Tradeslast 90 days

Congressional trade data is being sourced and will appear here shortly.

May 7, 2026
Jennifer Allerton
Buy
–
May 7, 2026Jennifer AllertonSell$17K
May 7, 2026Pamela M ArwayBuy–
May 7, 2026Kent P DautenBuy–
Apr 6, 2026Doyle SimonsBuy$36K
Apr 6, 2026Doyle SimonsBuy$10K
Apr 6, 2026Doyle SimonsBuy$39K