IRM

IRON MTN INC DEL

IRM·46284V101·US·REIT·Real Estate - REIT - Specialty-13D/G

IRM (IRON MTN INC DEL) is held by 296 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($4.2B), VANGUARD PORTFOLIO MANAGEMENT LLC ($3.2B), VANGUARD CAPITAL MANAGEMENT LLC ($2.4B). Net institutional sentiment: Mixed. In Q2 2026, 1 member of Congress and 166 funds bought IRM.

296
Holders
(30 Elite)
$28.1B
Total Value
56% (298)
Consensus
166 buying - 132 selling
13F: Insider & Congress: Updated regularly
IRM

Smart Money Verdict

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Held by 296 funds
30 elite

Who's Trading

Source dates: Price Oct 21, 2026 · Insiders Oct 5, 2026 · Activists May 7, 2026 · Congress Jan 13, 2026

InsiderMLMeaney William LExercise 38K shOct 1, 2026
InsiderMLMeaney William LSell $1.6MOct 1, 2026
InsiderMWMcIntosh Greg WSell $554KOct 1, 2026
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Top Holders

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Action
Increased
33.6M(+1.7%)$4.2B0.1%+4.52%
32
Increased
25.6M(+2.2%)$3.2B0.1%+11.18%
39
Increased
19M(+1.0%)$2.4B0.1%+11.49%
32
Increased
17.6M(+0.5%)$2.2B0.1%+157.38%
32
Increased
8.6M(+1.9%)$1.1B0.1%+166.76%
32
Increased
7.9M(+5.2%)$994.4M0.0%+31.78%
34
Increased
4.6M(+1.6%)$584.3M0.1%+258.87%
38
Decreased
4.4M(-4.8%)$559.2M0.0%+27.70%
0
Decreased
4.4M(-4.2%)$552.4M0.3%+31.96%
0
Increased
4.3M(+6.2%)$538.5M0.1%+149.55%
33
Increased
4.2M(+1.8%)$533.4M0.1%+95.18%
32
Increased
4.1M(+3.7%)$513.5M0.0%+46.65%
33
Increased
3.2M(+3.5%)$409.8M0.1%+103.41%
32
Increased
3.2M(+297x)$403.4M0.1%-10.17%
50
Decreased
3M(-1.4%)$385.1M0.1%+118.44%
0
Increased
2.8M(+27.3%)$356.5M0.0%+23.51%
39
Increased
2.3M(+0.6%)$293.5M2.5%+36.56%
53
Increased
2.2M(+4.2%)$287.5M0.0%+5.31%
32
Increased
2.2M(+7.3%)$280.3M0.1%+31.58%
33
Increased
2.1M(+15.2%)$266.5M0.1%+13.53%
35

Showing 1-20 of 306

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IRMIRMIRON MTN INC DEL

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Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer

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