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IRM — Iron Mtn Inc Del Institutional Holders · Q3 2026

Who owns Iron Mtn Inc Del (IRM)? 45 institutions reported holding $57.57M in SEC 13F filings for Q3 2026 (period ended 2026-09-30). Largest holders: Border to Coast Pensions Partnership Ltd ($26.6M), Werlinich Asset Management, LLC ($5.8M), Pensionfund DSM Netherlands ($4.5M).

RankInstitutionValueSharesChange
1Border to Coast Pensions Partnership Ltd$26.6M240,000Trimmed
2Werlinich Asset Management, LLC$5.8M51,982Hold
3Pensionfund DSM Netherlands$4.5M40,300Trimmed
4Gradient Investments LLC$3.2M28,928Trimmed
5Pensionfund Sabic$2.2M19,800Trimmed
6Venture Visionary Partners LLC$1.9M16,735Trimmed
7Farther Finance Advisors, LLC$1.8M16,101Added
8Kessler Investment Group, LLC$1.6M14,576Trimmed
9MOODY NATIONAL BANK TRUST DIVISION$1.3M11,656Added
10ATWOOD & PALMER INC$1.1M9,496Added
11GAMMA Investing LLC$882,6077,955Added
12MassMutual Private Wealth & Trust, FSB$806,4967,269Trimmed
13Monument Capital Management$793,1917,149Hold
14Wedmont Private Capital$564,2164,994Added
15CX Institutional$552,0004,971Trimmed
16ARMSTRONG ADVISORY GROUP, INC$432,0403,894Hold
17Ledgewood Wealth Advisors, LLC$422,2763,806Hold
18PARK NATIONAL CORP /OH/$405,6333,656Hold
19Legacy Wealth Asset Management, LLC$402,8043,630Added
20Versant Capital Management, Inc$271,8282,450Added
21Avidian Wealth Enterprises, LLC$262,7392,368Added
22RIVERSEDGE ADVISORS, LLC$260,1782,345New
23Valeo Financial Advisors, LLC$225,6602,034Added
24Sound Income Strategies, LLC$221,6131,962Added
25LifeGoal Investments, LLC$214,2441,931New

Source: SEC Form 13F filings · as of 2026-09-30