tiprankstipranks
Iron Mountain (IRM)
NYSE:IRM
US Market
Want to see IRM full AI Analyst Report?

Iron Mountain (IRM) Ownership - Who Owns Iron Mountain?

4,095 Followers

Iron Mountain (IRM) Ownership Overview

0.74%26.75%5.08%31.43%35.99%
5.08% Other Institutional Investors
31.43% ETFs
35.99% Public Companies and Individual Investors
The ownership structure of Iron Mountain (IRM) stock is a mix of institutional, retail, and individual investors. Approximately 63.27% of the company’s stock is owned by Institutional Investors, 0.74% is owned by Insiders, and 35.99% is owned by Public Companies and Individual Investors.
The ownership structure of Iron Mountain (IRM) stock is a mix of institutional, retail, and individual investors. Approximately 31.84% of the company’s stock is owned by Institutional Investors, 0.74% is owned by Insiders, and 31.43% is owned by Public Companies and Individual Investors.

Recent Insider Trading Activity

Date
Name
Activity
Value
Mar 03, 2026
xxxxxxxxxxxxx
$762160
Nov 21, 2025
xxxxxxxxxxxxx
$2954

Recent Hedge Fund Trading Activity

Top Shareholders

Holder
# of Shares
Type
% Holding
Value
42,951,669Institution14.43%5,256,854,769
27,594,391Institution9.27%3,377,277,514
18,512,508Institution6.22%2,265,745,854
12,057,868Institution4.05%1,475,762,465
10,974,169Institution3.69%1,343,128,544
5,028,298Institution1.69%615,413,392
3,379,810Institution1.14%413,654,946
3,339,032Institution1.12%408,664,126
3,198,224Institution1.07%391,430,635
3,101,079Institution1.04%379,541,059

Top Mutual Fund Holders

Holder
# of Shares
Type
% Holding
Value
27,594,391Institution9.27%3,377,277,514
10,974,169Institution3.69%1,343,128,544
5,028,298Institution1.69%615,413,392
3,091,475Institution1.04%378,365,625
2,760,718Institution0.93%337,884,276
2,326,030Institution0.78%284,682,812
2,120,365Institution0.71%259,511,472
2,013,691Institution0.68%246,455,641
1,945,543Institution0.65%238,115,008
1,904,052Institution0.64%233,036,924

Top ETF Holders

Holder
# of Shares
Type
% Holding
Value
13,218,287Institution4.44%1,669,601,877
8,975,349Institution3.01%1,133,676,332
7,730,744Institution2.60%976,470,275
6,125,303Institution2.06%773,687,022
4,017,724Institution1.35%491,729,240
3,630,638Institution1.22%441,340,355
3,525,774Institution1.18%328,002,755
2,684,905Institution0.90%339,130,351
2,603,721Institution0.87%316,508,325
2,334,675Institution0.78%283,803,093

FAQ

Who Owns Iron Mountain (IRM)?
According to the latest TipRanks data, approximately 5.08% of the company's stock is held by institutional investors, 0.74% is held by insiders, and 35.99% is held by retail investors.
    What percentage of Iron Mountain (IRM) stock is held by institutional investors?
    According to the latest TipRanks data, approximately 5.08% of Iron Mountain (IRM) stock is held by institutional investors.
      What percentage of Iron Mountain (IRM) stock is held by retail investors?
      According to the latest TipRanks data, approximately 35.99% of Iron Mountain (IRM) stock is held by retail investors.
        Who owns the most shares of Iron Mountain (IRM)?
        Vanguard owns the most shares of Iron Mountain (IRM).
          What is the significance of the ownership structure for a publicly traded company?
          The ownership structure can impact the company's decision making, as large institutional investors may exert influence on the company's management and can also affect the company's stock price with their buying and selling patterns.