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Iron Mountain (IRM) Ownership Overview
0.74% Insiders
26.75% Mutual Funds
14.93% Other Institutional Investors
31.62% ETFs
25.96% Public Companies and Individual Investors
The ownership structure of Iron Mountain (IRM) stock is a mix of institutional, retail, and individual investors. Approximately 73.30% of the company’s stock is owned by Institutional Investors, 0.74% is owned by Insiders, and 25.96% 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
Date | Firm | Activity | Value |
|---|---|---|---|
Jun 30, 2026 | xxxxxxxxxxxxx | $391561 | |
Jun 30, 2026 | xxxxxxxxxxxxx | $498419 | |
Jun 30, 2026 | xxxxxxxxxxxxx | $8192593 | |
Jun 30, 2026 | xxxxxxxxxxxxx | $674622 |
Top Shareholders
Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| 43,066,745 | Institution | 14.47% | 4,816,584,761 | |
| 27,594,391 | Institution | 9.27% | 3,086,156,689 | |
| 19,034,706 | Institution | 6.39% | 2,128,841,519 | |
| 12,166,353 | Institution | 4.09% | 1,360,684,920 | |
| 10,974,169 | Institution | 3.69% | 1,227,351,061 | |
| 5,028,298 | Institution | 1.69% | 562,364,848 | |
| 3,491,665 | Institution | 1.17% | 390,507,814 | |
| 3,406,247 | Institution | 1.14% | 380,954,664 | |
| 3,111,037 | Institution | 1.05% | 347,938,378 | |
| 3,091,475 | Institution | 1.04% | 345,750,564 |
Top Mutual Fund Holders
Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| 27,594,391 | Institution | 9.27% | 3,086,156,689 | |
| 10,974,169 | Institution | 3.69% | 1,227,351,061 | |
| 5,028,298 | Institution | 1.69% | 562,364,848 | |
| 3,091,475 | Institution | 1.04% | 345,750,564 | |
| 2,760,718 | Institution | 0.93% | 308,758,701 | |
| 2,326,030 | Institution | 0.78% | 260,143,195 | |
| 2,120,365 | Institution | 0.71% | 237,141,622 | |
| 2,013,691 | Institution | 0.68% | 225,211,201 | |
| 1,945,543 | Institution | 0.65% | 217,589,529 | |
| 1,904,052 | Institution | 0.64% | 212,949,176 |
Top ETF Holders
Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| 13,223,031 | Institution | 4.44% | 1,617,441,174 | |
| 9,001,545 | Institution | 3.02% | 1,101,068,984 | |
| 7,812,430 | Institution | 2.62% | 955,616,438 | |
| 6,117,108 | Institution | 2.05% | 748,244,651 | |
| 3,954,060 | Institution | 1.33% | 442,222,070 | |
| 3,643,882 | Institution | 1.22% | 416,204,202 | |
| 3,525,774 | Institution | 1.18% | 328,002,755 | |
| 2,692,572 | Institution | 0.90% | 329,355,407 | |
| 2,540,711 | Institution | 0.85% | 290,200,010 | |
| 2,344,030 | Institution | 0.79% | 267,735,107 |
FAQ
Who Owns Iron Mountain Inc. (IRM)?
According to the latest TipRanks data, approximately 14.93% of the company's stock is held by institutional investors, 0.74% is held by insiders, and 25.96% is held by retail investors.
What percentage of Iron Mountain Inc. (IRM) stock is held by institutional investors?
According to the latest TipRanks data, approximately 14.93% of Iron Mountain Inc. (IRM) stock is held by institutional investors.
What percentage of Iron Mountain Inc. (IRM) stock is held by retail investors?
According to the latest TipRanks data, approximately 25.96% of Iron Mountain Inc. (IRM) stock is held by retail investors.
Who owns the most shares of Iron Mountain Inc. (IRM)?
Vanguard owns the most shares of Iron Mountain Inc. (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.