Iron Mountain Inc. – Investors and Politicians Who Own It
IRM
Investors who own it
3 tracked investors, $57.6M in shares, each from their latest 13F.
| Investor | Value | Share of portfolio |
|---|---|---|
| $57.4M | 0.04% | |
Barry RitholtzRitholtz Wealth Management, Q2 2026 | $183.8K | 0.00% |
Barry RitholtzCallRitholtz Wealth Management, Q2 2026 | $101K | 0.00% |
Politicians who own it
Estimated from annual disclosures and trades; values are rough estimates.
| Politician | Est. value | Share of portfolio |
|---|---|---|
Carol D. MillerR-WV · House | $107.1K | 2.43% |
Robert P. Bresnahan, Jr.R-PA · House | $11.4K | 0.07% |
Thomas R. CarperD-DE · Senate | $6.6K | 0.38% |
Investors buying and selling
| Investor | Action | Shares now |
|---|---|---|
| George SorosCall | New | 327,700 |
| National Pension Service (Korea) | Added +2.7% | 509,020 |
Politicians trading it
Latest Congress trades disclosed under the STOCK Act; amounts are ranges.
| Politician | Action | Traded |
|---|---|---|
Markwayne MullinJointR-OK · Senate | Sold$1K–$15K | Feb 4, 2026disclosed Mar 2, 2026 |
Markwayne MullinR-OK · Senate | Sold$1K–$15K | Dec 18, 2025disclosed Jan 13, 2026 |
Markwayne MullinSpouseR-OK · Senate | Sold$15K–$50K | Dec 18, 2025disclosed Jan 13, 2026 |
Markwayne MullinJointR-OK · Senate | Bought$1K–$15K | Feb 3, 2025disclosed Feb 27, 2025 |
Markwayne MullinSpouseR-OK · Senate | Bought$15K–$50K | Jan 2, 2025disclosed Jan 31, 2025 |
Markwayne MullinR-OK · Senate | Bought$15K–$50K | Jan 2, 2025disclosed Jan 31, 2025 |
Thomas R. CarperSpouseD-DE · Senate | Sold part$1K–$15K | Dec 11, 2023disclosed Jan 3, 2024 |
Daniel S. GoldmanD-NY · House | Sold$1K–$15K | Jul 12, 2023disclosed Aug 13, 2023 |
Thomas R. CarperSpouseD-DE · Senate | Sold part$1K–$15K | Feb 21, 2023disclosed Mar 1, 2023 |
Thomas R. CarperSpouseD-DE · Senate | Sold part$1K–$15K | Jan 18, 2022disclosed Feb 3, 2022 |
Katherine M. ClarkSpouseD-MA · House | Sold$1K–$15K | Jul 27, 2021disclosed Aug 15, 2021 |
Katherine M. ClarkSpouseD-MA · House | Sold$1K–$15K | Jul 27, 2021disclosed Aug 15, 2021 |
Katherine M. ClarkSpouseD-MA · House | Sold part$1K–$15K | Jun 4, 2021disclosed Aug 15, 2021 |
Katherine M. ClarkSpouseD-MA · House | Sold part$1K–$15K | Jun 4, 2021disclosed Aug 15, 2021 |
Thomas R. CarperSpouseD-DE · Senate | Sold part$1K–$15K | Jun 4, 2021disclosed Jul 6, 2021 |
Carol D. MillerSpouseR-WV · House | Bought$1K–$15K | Mar 4, 2021disclosed Sep 2, 2022 |
Katherine M. ClarkSpouseD-MA · House | Bought$1K–$15K | Nov 5, 2020disclosed Dec 28, 2020 |
Katherine M. ClarkSpouseD-MA · House | Bought$1K–$15K | Nov 5, 2020disclosed Dec 28, 2020 |
Carol D. MillerSpouseR-WV · House | Bought$15K–$50K | Jul 28, 2020disclosed Sep 14, 2020 |
Thomas R. CarperSpouseD-DE · Senate | Bought$1K–$15K | Jul 9, 2020disclosed Aug 4, 2020 |
Thomas R. CarperSpouseD-DE · Senate | Bought$1K–$15K | Jul 9, 2020disclosed May 17, 2021 |
Thomas R. CarperSpouseD-DE · Senate | Sold part$1K–$15K | Apr 2, 2020disclosed May 17, 2021 |
Thomas R. CarperSpouseD-DE · Senate | Sold part$1K–$15K | Apr 2, 2020disclosed May 4, 2020 |
Gilbert Ray Cisneros, Jr.D-CA · House | Sold$1K–$15K | Mar 18, 2020disclosed Apr 16, 2020 |
Gilbert Ray Cisneros, Jr.D-CA · House | Bought$1K–$15K | Aug 14, 2019disclosed Sep 11, 2019 |
Gilbert Ray Cisneros, Jr.D-CA · House | Sold$1K–$15K | May 9, 2019disclosed Jun 18, 2019 |