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Iron Mountain shares owned by Optas

Quarter-by-quarter ownership of Iron Mountain (IRM) shares owned by Optas from 13F filings

Historical chart of Optas investment in Iron Mountain

Tip: Access up to 7 years of quarterly data

All positions including Iron Mountain held by Optas consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Iron Mountain by Optas

Quarter filed Position value Share count Share price at filing
2026-03-31 $281k 2.8k 102.14

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Top funds holding Iron Mountain

Vanguard Group
BlackRock
Vanguard Portfolio Management
Cohen & Steers Capital Management
Vanguard Capital Management
State Street Corporation
Geode Capital Management
FMR
Morgan Stanley
Principal Financial Group
Dimensional Fund Advisors
Northern Trust
Invesco
Charles Schwab Investment Management
Legal & General Group

View all funds holding Iron Mountain