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IRM · Real Estate

Iron Mtn Inc Del

USA Real Estate Filing: 2026-06-30
33/100
Smart-money confidence1 of 3 sources positive
Below average interest

No standout activity across the feeds we track.

What this band has actually done: stocks scoring 25–45 beat the S&P 500 over the next three months 45.3% of the time, across 39,662 cases since 2015. That is below a coin flip — and so is every other band, because the median stock loses to a cap-weighted index. How we measured this

Hedge funds
44
Congress
No data
Insiders
No data
Cross-source blend of hedge-fund breadth, Congress trades, and insider Form 4s.  ·  how the score works
Market cap
$33.2B
Industry
REIT - Specialty
Sector
Real Estate
Exchange
NYSE
About IRON MTN INC DEL

Iron Mountain Incorporated is trusted by more than 240,000 customers in 61 countries, including approximately 95% of the Fortune 1000, to help unlock value and intelligence from their assets through services that transcend the physical and digital worlds. Our broad range of solutions address their information management, digital transformation, information security, data center and asset lifecycle management needs. Iron Mountain Incorporated is based in Portsmouth, New Hampshire. Iron Mountain Incorporated was founded in 1951 and is incorporated in Delaware and is based in Portsmouth, New…

Who's behind the signal
Every informed buyer we can see on IRM, across all three feeds.
Hedge funds · 9
D.E. Shaw & Co New position
AQR Capital Management Increased +15%
Renaissance Technologies Increased +221%
+3 more in the full breakdown below ↓
Congress · 9
Dean Phillips bought
+1 more in the full record below ↓
Insiders
No significant Form 4 insider activity in the window.
Congressional trades · 20 on record
Disclosures from 2014-08-08 to 2026-02-04
Trade date Member Chamber Action Amount
2026-02-04 Markwayne Mullin · R-OK Senate Sold $1,001 - $15,000
2025-12-18 Markwayne Mullin · R-OK Senate Sold $1,001 - $15,000
2025-12-18 Markwayne Mullin · R-OK Senate Sold $15,001 - $50,000
2025-02-03 Markwayne Mullin · R-OK Senate Bought $1,001 - $15,000
2025-01-02 Markwayne Mullin · R-OK Senate Bought $15,001 - $50,000
2023-07-12 Daniel S. Goldman · D-NY House Sold $1,001 - $15,000
2021-07-27 Katherine M. Clark · D-MA House Sold $1,001 - $15,000
2021-06-04 Katherine M. Clark · D-MA House Sold $1,001 - $15,000
2021-03-04 Carol D. Miller · R-WV House Bought $1,001 - $15,000
2021-01-05 Dean Phillips · D-MN House Bought $1,001 - $15,000
Show the other 10
Trade date Member Chamber Action Amount
2020-11-05 Katherine M. Clark · D-MA House Bought $1,001 - $15,000
2020-07-28 Carol D. Miller · R-WV House Bought $15,001 - $50,000
2020-07-09 Thomas R. Carper · D-DE Senate Bought $1,001 - $15,000
2020-04-02 Thomas R. Carper · D-DE Senate Sold $1,001 - $15,000
2020-04-02 Dean Phillips · D-MN House Sold $1,001 - $15,000
2020-03-18 Gilbert Ray Cisneros, Jr. · D-CA House Sold $1,001 - $15,000
2020-02-28 Dean Phillips · D-MN House Bought $1,001 - $15,000
2019-03-06 Donna E. Shalala · D-FL House Sold $1,001 - $15,000
2019-02-20 Donna E. Shalala · D-FL House Sold $1,001 - $15,000
2014-08-08 Cory A. Booker · D-NJ Senate Sold $1,001 - $15,000
Not a model pick — but on our radar. IRON MTN INC DEL isn't in the top-10 model right now, but 9 tracked investors hold it. Everything below is real signal from public filings — treat this as a watch candidate, not a conviction call.
9
Investors
2
New positions
4
Increasing
3
Decreasing
0
Unchanged
Price History
Loading price data...
A member of Congress bought A member sold
Return: High: Low:

Markers sit on the transaction date the member disclosed, snapped to the nearest close on the chart. They are not the date the public found out — that came later, and the gap is its own page. Every marker is listed by name in the table above.

Who's Holding This Stock
Position sizes and recent activity from tracked institutional investors
Portfolio Allocation
How much of each investor's portfolio is allocated to IRON MTN INC DEL
⚠ Disclaimer: This page is for informational purposes only. Holdings data from SEC EDGAR 13F filings, delayed up to 135 days. Not a recommendation to buy or sell IRON MTN INC DEL or any security.

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