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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, Q2 2024

Institutional positions in Iron Mountain Inc as of Jun 30, 2024. 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
967
+42 vs. Q1 2024
Shares held
248.0M
+11.4M (+4.8%) vs. Q1 2024
Total value
$22.2B
+$3.28B (+17.3%) vs. Q1 2024
New holders
105
327 more added
Sold out
63
374 more reduced

13 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2024: 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 holdersQ2 2024: 967 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 heldQ2 2024: $22.2B
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, Q2 2024

Shares, value and share of portfolio for each institution holding Iron Mountain Inc; share changes are against Q1 2024.

Institutions holding IRM in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Dakota Wealth Management2,337$209.4K0.00%−168−6.7%Reduced
Clarius Group, LLC2,340$209.7K0.01%−212−8.3%Reduced
Mission Wealth Management, LP2,371$212.5K0.01%+2,371New
FDx Advisors, Inc.2,393$214.0K0.06%−619−20.6%Reduced
Girard Partners Ltd.2,389$214.1K0.02%+2,389New
Maia Wealth LLC2,202$215.4K0.06%+2,202New
Bristlecone Advisors, LLC2,404$215.4K0.02%+2,404New
Johnson Investment Counsel Inc2,404$215.5K0.00%−112−4.5%Reduced
Fielder Capital Group LLC2,422$217.1K0.08%+2,422New
Fidelis Capital Partners, LLC2,114$223.2K0.03%+2,114New
Prospera Financial Services Inc2,523$226.2K0.01%+2,523New
1858 Wealth Management, LLC2,532$226.9K0.19%+2,532New
Perennial Investment Advisors, LLC2,540$227.6K0.03%+12+0.5%Added
Saxony Capital Management, LLC2,576$230.9K0.25%−34−1.3%Reduced
Hutchens & Kramer Investment Management Group, LLC2,582$231.6K0.13%−13−0.5%Reduced
Segment Wealth Management, LLC2,600$233.0K0.02%00.0%Unchanged
Premier Path Wealth Partners, LLC2,609$233.8K0.04%+2,609New
Seed Wealth Management, Inc.2,620$234.8K0.20%00.0%Unchanged
Financial Advocates Investment Management2,623$235.0K0.01%+7+0.3%Added
Ignite Planners, LLC2,573$235.7K0.06%−202−7.3%Reduced
Arkadios Wealth Advisors2,654$237.9K0.02%+2,654New
Great Valley Advisor Group, Inc.2,673$239.2K0.01%−379−12.4%Reduced
Allen Investment Management LLC2,696$241.6K0.00%00.0%Unchanged
Aptus Capital Advisors, LLC2,700$242.0K0.00%−732−21.3%Reduced
Investment House LLC2,700$242.0K0.01%00.0%Unchanged
Seelaus Asset Management LLC2,700$242.0K0.25%00.0%Unchanged
Machina Capital S.A.S.2,714$243.2K0.11%−6,103−69.2%Reduced
Naples Global Advisors, LLC2,700$243.7K0.02%−50−1.8%Reduced
Dynamic Advisor Solutions LLC2,749$246.4K0.01%+74+2.8%Added
Triasima Portfolio Management inc.2,750$246.5K0.02%−200−6.8%Reduced
Pine Valley Investments Ltd Liability Co2,750$246.5K0.02%−100−3.5%Reduced
Daymark Wealth Partners, LLC2,754$246.8K0.01%−60−2.1%Reduced
Schmidt P J Investment Management Inc2,760$247.4K0.05%00.0%Unchanged
Wedmont Private Capital2,604$249.7K0.02%+2,604New
Kovack Advisors, Inc.2,824$253.1K0.03%+2,824New
NorthCrest Asset Manangement, LLC2,826$253.3K0.01%−37−1.3%Reduced
Insigneo Advisory Services, LLC2,445$255.1K0.03%−125−4.9%Reduced
Keystone Financial Group2,851$255.5K0.09%+2,851New
Aberdeen Wealth Management LLC2,877$257.8K0.17%00.0%Unchanged
Evergreen Capital Management LLC2,867$258.9K0.01%+10.0%Added
Relyea Zuckerberg Hanson LLC2,889$259.0K0.04%−236−7.6%Reduced
Channel Wealth LLC2,900$259.9K0.09%−100−3.3%Reduced
Charter Oak Capital Management, LLC2,915$261.2K0.03%+2,915New
Cooper Financial Group2,926$262.2K0.04%+2+0.1%Added
Schechter Investment Advisors, LLC2,928$262.4K0.02%00.0%Unchanged
Crestwood Advisors Group LLC2,938$263.3K0.01%+7+0.2%Added
Capital City Trust Co2,940$263.5K0.07%00.0%Unchanged
Destination Wealth Management2,946$264.0K0.01%00.0%Unchanged
IMA Wealth, Inc.2,954$264.7K0.12%00.0%Unchanged
Jump Financial, LLC2,955$264.8K0.01%−33,344−91.9%Reduced
Edmond de Rothschild Holding S.A.2,966$265.8K0.00%00.0%Unchanged
First Dallas Securities Inc.2,975$266.6K0.12%−2,375−44.4%Reduced
GAMMA Investing LLC2,979$267.0K0.04%+1,173+65.0%Added
Fifth Third Wealth Advisors LLC2,980$267.1K0.02%+2,980New
Clean Yield Group3,000$268.9K0.10%00.0%Unchanged
Cigna Investments Inc3,043$273.0K0.05%−52−1.7%Reduced
Fox Run Management, L.L.C.3,072$275.3K0.05%+3,072New
Ameritas Investment Partners, Inc.3,085$276.5K0.01%−160−4.9%Reduced
Miracle Mile Advisors, LLC3,086$276.6K0.01%−25−0.8%Reduced
Boston Financial Mangement LLC3,100$277.8K0.01%00.0%Unchanged
American Investment Services, Inc.3,103$278.1K0.05%+3,103New
IFP Advisors, Inc3,117$279.3K0.01%+172+5.8%Added
Sovereign Financial Group, Inc.3,142$281.6K0.07%00.0%Unchanged
Empower Advisory Group, LLC3,153$282.6K0.00%−540−14.6%Reduced
Vident Advisory, LLC3,153$282.6K0.01%+523+19.9%Added
Private Trust Co NA3,158$283.0K0.03%00.0%Unchanged
Apriem Advisors3,200$286.8K0.04%00.0%Unchanged
TrinityPoint Wealth, LLC3,206$287.3K0.04%−1,105−25.6%Reduced
Infrastructure Capital Advisors, LLC3,212$287.9K0.04%−38−1.2%Reduced
Parallel Advisors, LLC3,217$288.3K0.01%+243+8.2%Added
Cypress Capital Group3,235$289.9K0.03%00.0%Unchanged
Keystone Wealth Services, LLC3,258$292.0K0.09%00.0%Unchanged
Aspen Investment Management Inc3,260$292.0K0.15%+150+4.8%Added
Two Sigma Securities, LLC3,269$293.0K0.01%+26+0.8%Added
Meeder Advisory Services, Inc.3,295$295.3K0.02%+615+22.9%Added
Jacobi Capital Management LLC3,297$295.5K0.03%+4+0.1%Added
Geller Advisors LLC3,277$295.8K0.02%+79+2.5%Added
Advisors Management Group Inc3,309$297.0K0.07%−240−6.8%Reduced
Retirement Income Solutions, Inc3,350$300.2K0.07%00.0%Unchanged
Cresset Asset Management, LLC3,388$303.7K0.00%+317+10.3%Added
Kovitz Investment Group Partners, LLC3,389$303.7K0.00%+3+0.1%Added
Nations Financial Group Inc,3,399$304.6K0.02%00.0%Unchanged
International Assets Investment Management, LLC3,437$308.0K0.03%+35+1.0%Added
Beaumont Financial Advisors, LLC3,441$308.4K0.02%−130−3.6%Reduced
Lokken Investment Group LLC3,474$311.3K0.15%00.0%Unchanged
Buckingham Capital Management, Inc.3,483$312.1K0.04%00.0%Unchanged
Robinson Smith Wealth Advisors LLC3,500$313.7K0.28%00.0%Unchanged
Philadelphia Trust Co3,500$314.0K0.02%00.0%Unchanged
Lebenthal Global Advisors, LLC3,556$318.7K0.07%−76−2.1%Reduced
Mather Group, LLC.4,014$322.0K0.00%+1,632+68.5%Added
Panagora Asset Management Inc3,599$322.5K0.00%−11−0.3%Reduced
OneAscent Wealth Management LLC3,589$323.0K0.17%+3,589New
Moneta Group Investment Advisors LLC3,671$329.0K0.01%−316−7.9%Reduced
E&G Advisors, LP3,700$331.6K0.10%00.0%Unchanged
Chicago Partners Investment Group LLC3,287$333.0K0.01%+3,287New
Strategic Blueprint, LLC3,733$334.6K0.02%−53−1.4%Reduced
Somerset Trust Co3,742$335.4K0.14%+447+13.6%Added
Highland Capital Management Fund Advisors, L.P.3,800$340.6K0.05%00.0%Unchanged
Ledgewood Wealth Advisors, LLC3,806$341.1K0.29%00.0%Unchanged
Walker Asset Management, LLC3,821$342.4K0.23%+31+0.8%Added