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Iron Mountain Inc

IRM
Exchange
NYSE
Industry
Real Estate Investment Trusts
SEC CIK
0001020569

In the last 90 days, Iron Mountain Inc insiders filed 0 open-market purchases and 8 sales; 1,173 institutions reported holding it in 13F filings for Q2 2026, worth $32.4B in total; no superinvestor holds it.

13F holders, Q4 2022

Institutional positions in Iron Mountain Inc as of Dec 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
782
+54 vs. Q3 2022
Shares held
228.9M
+3.02M (+1.3%) vs. Q3 2022
Total value
$11.4B
+$1.43B (+14.3%) vs. Q3 2022
New holders
93
300 more added
Sold out
39
251 more reduced

15 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting IRM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2022: 782 institutions
Q1 2021: 630 institutionsQ2 2021: 687 institutionsQ3 2021: 711 institutionsQ4 2021: 754 institutionsQ1 2022: 777 institutionsQ2 2022: 767 institutionsQ3 2022: 743 institutionsQ4 2022: 782 institutionsQ1 2023: 790 institutionsQ2 2023: 817 institutionsQ3 2023: 831 institutionsQ4 2023: 891 institutionsQ1 2024: 938 institutionsQ2 2024: 967 institutionsQ3 2024: 1,056 institutionsQ4 2024: 1,067 institutionsQ1 2025: 995 institutionsQ2 2025: 1,045 institutionsQ3 2025: 1,017 institutionsQ4 2025: 1,011 institutionsQ1 2026: 1,090 institutionsQ2 2026: 1,173 institutions
Value heldQ4 2022: $11.4B
Q1 2021: $8.44BQ2 2021: $9.70BQ3 2021: $9.94BQ4 2021: $12.0BQ1 2022: $12.4BQ2 2022: $10.9BQ3 2022: $10.0BQ4 2022: $11.4BQ1 2023: $12.0BQ2 2023: $12.9BQ3 2023: $13.7BQ4 2023: $16.4BQ1 2024: $19.0BQ2 2024: $22.2BQ3 2024: $28.8BQ4 2024: $24.9BQ1 2025: $21.1BQ2 2025: $25.5BQ3 2025: $25.5BQ4 2025: $21.4BQ1 2026: $25.9BQ2 2026: $32.4B
Institutions holding IRM and their total value by quarter
QuarterHoldersValue
Q2 20261,173$32.4B
Q1 20261,090$25.9B
Q4 20251,011$21.4B
Q3 20251,017$25.5B
Q2 20251,045$25.5B
Q1 2025995$21.1B
Q4 20241,067$24.9B
Q3 20241,056$28.8B
Q2 2024967$22.2B
Q1 2024938$19.0B
Q4 2023891$16.4B
Q3 2023831$13.7B
Q2 2023817$12.9B
Q1 2023790$12.0B
Q4 2022782$11.4B
Q3 2022743$10.0B
Q2 2022767$10.9B
Q1 2022777$12.4B
Q4 2021754$12.0B
Q3 2021711$9.94B
Q2 2021687$9.70B
Q1 2021630$8.44B

Institutions, Q4 2022

Shares, value and share of portfolio for each institution holding Iron Mountain Inc; share changes are against Q3 2022.

Institutions holding IRM in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Koshinski Asset Management, Inc.4,728$235.7K0.02%−890−15.8%Reduced
Verdence Capital Advisors LLC4,793$238.9K0.03%−1,133−19.1%Reduced
Great Lakes Advisors, LLC4,796$239.1K0.01%−414−7.9%Reduced
Gitterman Wealth Management, LLC4,821$240.4K0.12%−180−3.6%Reduced
HB Wealth Management, LLC4,841$241.3K0.00%+4,841New
L.M. Kohn & Company4,875$243.0K0.11%+100+2.1%Added
Perfromance Wealth Partners, LLC4,889$243.7K0.01%00.0%Unchanged
Colony Group LLC4,890$244.0K0.00%00.0%Unchanged
Richard W. Paul & Associates, LLC4,910$244.7K0.12%+4,910New
West Wealth Group, LLC5,000$249.3K0.12%00.0%Unchanged
Bessemer Group Inc5,020$250.0K0.00%−701−12.3%Reduced
Dorsey Wright & Associates5,026$250.5K0.07%+5,026New
Nations Financial Group Inc,5,036$251.0K0.03%+340+7.2%Added
Meeder Asset Management Inc5,037$251.1K0.02%−7,418−59.6%Reduced
Geneos Wealth Management Inc.5,112$254.8K0.02%−9,912−66.0%Reduced
Cullinan Associates Inc5,125$255.0K0.01%00.0%Unchanged
Pinnacle Family Advisors, LLC5,131$255.8K0.18%+33+0.6%Added
Advisors Management Group Inc5,148$257.0K0.10%+62+1.2%Added
Essex Savings Bank5,167$257.5K0.09%00.0%Unchanged
TD Ameritrade Investment Management, LLC5,199$259.0K0.00%−1,734−25.0%Reduced
Coastline Trust Co5,196$259.0K0.04%+200+4.0%Added
Texas Yale Capital Corp.5,200$259.2K0.01%00.0%Unchanged
Personal Cfo Solutions, LLC5,209$259.7K0.05%+301+6.1%Added
Neo Ivy Capital Management5,220$260.0K0.18%+5,220New
Howland Capital Management LLC5,216$263.2K0.02%+362+7.5%Added
NewEdge Wealth, LLC5,353$266.8K0.01%−180−3.3%Reduced
Washington Trust Co5,402$269.3K0.01%00.0%Unchanged
Money Concepts Capital Corp5,483$273.3K0.01%+5,483New
Allen Mooney & Barnes Investment Advisors LLC5,484$273.4K0.07%−489−8.2%Reduced
Steel Peak Wealth Management LLC5,473$276.2K0.02%+5,473New
Profund Advisors LLC5,583$278.3K0.02%−142−2.5%Reduced
Flagship Harbor Advisors, LLC5,703$284.3K0.03%−42−0.7%Reduced
Independent Solutions Wealth Management, LLC5,747$286.5K0.09%+20.0%Added
Griffin Asset Management, Inc.5,779$288.1K0.04%−668−10.4%Reduced
Maven Securities LTD5,790$288.6K0.06%+549+10.5%Added
Integrated Wealth Concepts LLC5,832$291.0K0.01%+5,832New
Centaurus Financial, Inc.5,969$298.0K0.03%+349+6.2%Added
Kayne Anderson Capital Advisors LP6,000$299.1K0.01%00.0%Unchanged
Garden State Investment Advisory Services LLC5,939$299.2K0.18%+5,939New
Principle Wealth Partners LLC6,050$301.6K0.03%00.0%Unchanged
GM Advisory Group, Inc.6,051$301.6K0.03%00.0%Unchanged
Private Portfolio Partners LLC6,067$302.5K0.08%+20.0%Added
Stevens Capital Management LP6,073$303.0K0.19%+865+16.6%Added
Checchi Capital Advisers, LLC6,100$304.1K0.03%+1,000+19.6%Added
Atalanta Sosnoff Capital, LLC6,228$310.5K0.01%00.0%Unchanged
Mission Creek Capital Partners, Inc.6,274$312.8K0.11%−295−4.5%Reduced
Intrua Financial, LLC6,128$313.1K0.07%−16,582−73.0%Reduced
Southland Equity Partners LLC6,312$314.6K0.12%−57−0.9%Reduced
Oppenheimer & Co Inc6,412$319.6K0.01%+61+1.0%Added
Banque Cantonale Vaudoise6,457$322.0K0.02%−8,900−58.0%Reduced
Ossiam6,464$322.2K0.01%−23,862−78.7%Reduced
O'Shaughnessy Asset Management, LLC6,488$323.4K0.01%+144+2.3%Added
XTX Topco Ltd6,496$323.8K0.07%+178+2.8%Added
E&G Advisors, LP6,500$324.0K0.12%00.0%Unchanged
Banque Pictet & Cie SA6,500$324.0K0.00%00.0%Unchanged
Pictet North America Advisors SA6,500$324.0K0.06%00.0%Unchanged
Ieq Capital, LLC6,501$324.1K0.01%−986−13.2%Reduced
Dynamic Technology Lab Private Ltd6,525$325.0K0.03%+6,525New
Global Retirement Partners, LLC6,566$327.3K0.02%+976+17.5%Added
Kapstone Financial Advisors LLC5,788$327.8K0.30%+5,788New
SeaCrest Wealth Management, LLC6,666$332.3K0.05%−341−4.9%Reduced
Vestmark Advisory Solutions, Inc.6,667$332.4K0.02%−1,269−16.0%Reduced
Oversea-Chinese Banking CORP Ltd6,683$333.0K0.02%+6,683New
J.W. Cole Advisors, Inc.6,697$333.9K0.03%+72+1.1%Added
Wolverine Trading, LLC6,770$337.0K0.01%−21,035−75.7%Reduced
Kingsview Wealth Management, LLC6,860$342.0K0.01%+1,438+26.5%Added
Vestcor Inc6,894$344.0K0.01%+50+0.7%Added
Sheets Smith Wealth Management6,905$344.2K0.05%−675−8.9%Reduced
Ullmann Financial Group, Inc.6,908$344.4K0.08%+95+1.4%Added
Investors Research Corp6,954$346.7K0.09%00.0%Unchanged
TD Waterhouse Canada Inc.6,961$347.5K0.00%+465+7.2%Added
Capital International Inc7,003$349.1K0.01%+7,003New
Gerber Kawasaki Wealth & Investment Management7,031$350.5K0.03%00.0%Unchanged
Arete Wealth Advisors, LLC7,034$350.6K0.03%+7,034New
SFG Wealth Management, LLC.7,055$351.7K0.43%−997−12.4%Reduced
Hudson Valley Investment Advisors Inc7,145$356.2K0.05%+745+11.6%Added
Augustine Asset Management Inc7,159$356.9K0.20%−97−1.3%Reduced
Coldstream Capital Management Inc7,192$358.5K0.01%+7,192New
Fiduciary Group LLC7,250$361.4K0.05%00.0%Unchanged
Banco Bilbao Vizcaya Argentaria, S.A.7,254$361.6K0.01%+325+4.7%Added
TBH Global Asset Management, LLC7,267$362.3K0.09%+13+0.2%Added
Sculati Wealth Management, LLC7,346$366.0K0.21%−12,055−62.1%Reduced
Wealthcare Advisory Partners LLC7,381$367.9K0.02%−2,548−25.7%Reduced
Greenleaf Trust7,456$372.0K0.00%+742+11.1%Added
Ameliora Wealth Management Ltd.7,600$378.9K0.20%−4,500−37.2%Reduced
Integrated Advisors Network LLC7,603$379.0K0.02%+684+9.9%Added
Raymond James Trust N.A.7,590$379.0K0.01%+61+0.8%Added
M Holdings Securities, Inc.7,840$391.0K0.04%+18+0.2%Added
Brown Advisory Inc7,875$392.6K0.00%+1,043+15.3%Added
Cardinal Point Capital Management, ULC7,800$393.7K0.14%+7,800New
Wetherby Asset Management Inc7,919$394.8K0.03%−3,751−32.1%Reduced
Glenmede Trust Co NA7,941$395.9K0.00%+1,559+24.4%Added
One Charles Private Wealth Services, LLC7,983$398.0K0.26%+1,898+31.2%Added
Thompson Davis & Co., Inc.8,000$398.8K0.57%00.0%Unchanged
Redhawk Wealth Advisors, Inc.8,167$407.1K0.16%−2,681−24.7%Reduced
Atlas Capital Advisors LLC8,171$407.3K0.07%−962−10.5%Reduced
IHT Wealth Management, LLC8,220$409.8K0.03%+1,189+16.9%Added
Atwood & Palmer Inc8,250$411.3K0.04%00.0%Unchanged
Veritable, L.P.8,279$412.7K0.01%+1,173+16.5%Added
Private Advisor Group, LLC86,761$416.6K0.02%+11,457+15.2%Added