IRM

Iron Mountain Inc

Latest period2026 - Q2Total superinvestors93

Top 10 Superinvestors by Shares Owned

This chart shows the top 10 superinvestors based on the number of shares they owned in 2026-Q1 and 2026-Q2. According to the most recent SEC 13F filing, 93 superinvestors own shares of Iron Mountain Inc (IRM), although recent data may remain incomplete due to pending filings.

Quarter-over-Quarter Change (%)

This chart highlights the quarter-over-quarter change (%) in the number of superinvestors holding Iron Mountain Inc (IRM), the total shares they held, and the total reported dollar value. It gives a clear view of whether there is ongoing momentum. The dotted lines at the top and bottom adjust longer bars to keep smaller data points visible for better comparison.

Superinvestors' Activity (%) Over the Last 4 Quarters

This chart shows superinvestors' activity with Iron Mountain Inc (IRM) over the last four quarters, highlighting the percentage of investors who added, increased, decreased, held, or exited their positions, revealing shifts in sentiment over time.

Superinvestors' Past Actions

This chart displays superinvestors' past actions with Iron Mountain Inc (IRM) over the last 10 years (40 quarters), helping to visualize the collective momentum and investment trends over time.

Superinvestors ownership

SuperinvestorPortfolio %Reported Value
Mikael Aho@Handelsbanken Fonder Ab
Recent Activity
Increased 24.44%
0.07%
$23.935M
189,498 shares@ 126.31 avg price
MAREK SESTAK@Czech National Bank
Recent Activity
Increased 5.12%
0.06%
$10.697M
84,687 shares@ 126.32 avg price
Richard A. Ward@Curated Wealth Partners Llc
Recent Activity
New Position
0.04%
$272,498
81,396 shares@ 3.35 avg price
David B. Rea@Salem Investment Counselors Inc
Recent Activity
Decreased -1.23%
0.25%
$9.746M
77,154 shares@ 126.32 avg price
Sean P. Skuja@Qrg Capital Management, Inc.
Recent Activity
Increased 9.66%
0.08%
$8.996M
71,225 shares@ 126.31 avg price
Soren Pihl@Pensiondanmark Pensionsforsikringsaktieselskab
Recent Activity
New Position
0.08%
$8.648M
68,465 shares@ 126.31 avg price
David Layden@Woodstock Corp
Recent Activity
Decreased -0.6%
0.69%
$8.223M
65,102 shares@ 126.32 avg price
Aryn Sands@Foresight Capital Management Advisors, Inc.
Recent Activity
Decreased -12.65%
3.67%
$7.534M
59,644 shares@ 126.32 avg price
Phillip Fitzsimmons@Hennion & Walsh Asset Management, Inc.
Recent Activity
Increased 10.31%
0.21%
$7.112M
56,304 shares@ 126.31 avg price
Gregory Werlinich@Werlinich Asset Management, Llc
Recent Activity
2.51%
$6.566M
51,982 shares@ 126.31 avg price

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