IRM
IRON MOUNTAIN INCData as of 2026 Q1 (03-31) · 13F snapshot
Summary
IRON MOUNTAIN INC (IRM) is held by 8 tracked hedge-fund managers, a combined reported value of ~$191.86M; the largest are Steven Cohen, Ken Griffin, Izzy Englander. This quarter: 2 new, 1 added, 3 trimmed. 20 members of Congress have disclosed STOCK Act trades. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · HighThis quarter · Mixed
Gurus holding8
Congress trades20
Price$126.99vs quarter-end+24.33%
Sectors0
This quarter's moves
Top holderSteven CohenNew2
Added1
Trimmed / sold3
Value $31.66M— of portfolio310,0002026 Q1
Value $21.06M— of portfolio206,2002026 Q1
Value $10.05M— of portfolio98,4002026 Q1
Value $6.88M— of portfolio67,4002026 Q1
Value $980.5K— of portfolio9,6002026 Q1
Value $423.0K— of portfolio5,1002025 Q4
Value $323.5K— of portfolio3,9002025 Q4
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| George SorosCALL | $31.66M | — | — |
| Ken GriffinCALL | $21.06M | — | — |
| Ken GriffinPUT | $10.05M | — | — |
| Izzy EnglanderCALL | $6.88M | — | — |
| Izzy EnglanderPUT | $980.5K | — | — |
| Steven CohenCALL | $423.0K | — | — |
| Steven CohenPUT | $323.5K | — | — |
Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.