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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 6 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
Financial Management Professionals, Inc.4,774$428.0K0.06%+408+9.3%Added
CX Institutional4,744$425.2K0.02%−13−0.3%Reduced
Armor Investment Advisors, LLC4,733$424.2K0.20%−3,686−43.8%Reduced
Fayez Sarofim & Co4,717$422.7K0.00%−755−13.8%Reduced
Teamwork Financial Advisors, LLC4,704$421.7K0.06%−10.0%Reduced
High Net Worth Advisory Group LLC4,692$420.5K0.13%00.0%Unchanged
Profund Advisors LLC4,686$420.0K0.02%+141+3.1%Added
Consolidated Planning Corp4,663$417.9K0.07%+1,452+45.2%Added
Atalanta Sosnoff Capital, LLC4,645$416.3K0.01%−218−4.5%Reduced
Goldstone Financial Group, LLC4,636$415.5K0.08%−20−0.4%Reduced
Foster & Motley Inc4,617$414.0K0.03%−539−10.5%Reduced
Ballentine Partners, LLC4,614$413.5K0.01%+537+13.2%Added
Sachetta, LLC4,022$407.4K0.18%+29+0.7%Added
Horizon Investments, LLC4,538$406.7K0.01%+8+0.2%Added
Welch Group, LLC4,531$406.1K0.02%00.0%Unchanged
Scotia Capital Inc.4,521$405.1K0.00%−89−1.9%Reduced
Wulff, Hansen & Co.4,520$405.1K0.40%00.0%Unchanged
Koshinski Asset Management, Inc.4,336$403.8K0.04%−974−18.3%Reduced
L.M. Kohn & Company4,487$402.1K0.11%+20+0.4%Added
AlphaStar Capital Management, LLC4,472$400.8K0.04%+800+21.8%Added
LifePro Asset Management4,455$399.3K0.29%00.0%Unchanged
Griffin Asset Management, Inc.4,441$398.0K0.05%+37+0.8%Added
Tradewinds, LLC.4,415$395.7K0.12%00.0%Unchanged
Edmp, Inc.4,387$393.2K0.36%00.0%Unchanged
Worldquant Millennium Advisors LLC4,367$391.4K0.00%+4,367New
Crown Wealth Group, LLC4,361$390.8K0.20%−182−4.0%Reduced
Stephens Inc4,357$390.5K0.01%+537+14.1%Added
Nelson, Van Denburg & Campbell Wealth Management Group, LLC4,356$390.5K0.02%−180−4.0%Reduced
Armstrong Advisory Group, Inc4,335$388.5K0.03%−148−3.3%Reduced
Cynosure Management, LLC4,334$388.4K0.06%+521+13.7%Added
Richard W. Paul & Associates, LLC4,330$388.0K0.15%−85−1.9%Reduced
Verdence Capital Advisors LLC4,304$385.7K0.03%+6+0.1%Added
Intrua Financial, LLC4,303$385.6K0.06%−678−13.6%Reduced
Meiji Yasuda Asset Management Co Ltd.4,241$380.1K0.02%+117+2.8%Added
Nomura Holdings Inc4,240$380.0K0.00%+4,240New
NCP Inc.4,238$379.7K0.24%+25+0.6%Added
Howland Capital Management LLC4,206$379.6K0.02%+190+4.7%Added
Trustmark National Bank Trust Department4,225$378.6K0.03%+4,225New
Summit Financial, LLC4,187$377.8K0.02%+918+28.1%Added
TRUE Private Wealth Advisors4,209$377.2K0.04%−110−2.5%Reduced
RMB Capital Management, LLC4,205$376.9K0.01%+12+0.3%Added
Westpac Banking Corp4,205$376.9K0.03%+991+30.8%Added
Raleigh Capital Management Inc.4,196$376.1K0.16%+25+0.6%Added
Allen Mooney & Barnes Investment Advisors LLC4,180$374.6K0.07%−1,250−23.0%Reduced
Perigon Wealth Management, LLC4,178$374.4K0.01%−193−4.4%Reduced
Bogart Wealth, LLC4,158$372.6K0.02%+19+0.5%Added
Kavar Capital Partners Group, LLC4,150$371.9K0.07%00.0%Unchanged
RMR Wealth Builders4,144$371.4K0.04%−542−11.6%Reduced
Cornerstone Wealth Management, LLC4,118$369.1K0.03%−626−13.2%Reduced
True Vision MN LLC4,061$366.6K0.24%+4,061New
Disciplined Equity Management, Inc.4,085$366.1K0.24%00.0%Unchanged
Cetera Trust Company, N.A4,050$363.0K0.23%00.0%Unchanged
Hartford Funds Management Co LLC4,044$362.4K0.03%+4,044New
Advisors Capital Management, LLC4,044$362.0K0.01%−12−0.3%Reduced
CAPROCK Group, Inc.3,998$361.0K0.01%+694+21.0%Added
Citizens Business Bank4,000$358.5K0.08%00.0%Unchanged
Dorsey Wright & Associates3,968$356.0K0.09%−999−20.1%Reduced
Ameritas Advisory Services, LLC3,945$353.5K0.01%−5−0.1%Reduced
Core Wealth Partners LLC3,905$350.0K0.24%+13+0.3%Added
Park National Corp3,905$350.0K0.01%00.0%Unchanged
Cornerstone Wealth Group, LLC3,884$348.1K0.03%+73+1.9%Added
Atomi Financial Group, Inc.3,880$347.7K0.03%+1,090+39.1%Added
Onyx Bridge Wealth Group LLC3,878$347.5K0.06%00.0%Unchanged
Householder Group Estate & Retirement Specialist, LLC3,860$345.0K0.10%−3−0.1%Reduced
Aire Advisors, LLC3,848$344.9K0.08%+32+0.8%Added
Huntington National Bank3,848$344.9K0.00%+99+2.6%Added
Sienna Gestion3,844$344.3K0.03%+428+12.5%Added
Walker Asset Management, LLC3,821$342.4K0.23%+31+0.8%Added
Ledgewood Wealth Advisors, LLC3,806$341.1K0.29%00.0%Unchanged
Highland Capital Management Fund Advisors, L.P.3,800$340.6K0.05%00.0%Unchanged
Somerset Trust Co3,742$335.4K0.14%+447+13.6%Added
Strategic Blueprint, LLC3,733$334.6K0.02%−53−1.4%Reduced
Chicago Partners Investment Group LLC3,287$333.0K0.01%+3,287New
E&G Advisors, LP3,700$331.6K0.10%00.0%Unchanged
Moneta Group Investment Advisors LLC3,671$329.0K0.01%−316−7.9%Reduced
OneAscent Wealth Management LLC3,589$323.0K0.17%+3,589New
Panagora Asset Management Inc3,599$322.5K0.00%−11−0.3%Reduced
Mather Group, LLC.4,014$322.0K0.00%+1,632+68.5%Added
Lebenthal Global Advisors, LLC3,556$318.7K0.07%−76−2.1%Reduced
Philadelphia Trust Co3,500$314.0K0.02%00.0%Unchanged
Robinson Smith Wealth Advisors LLC3,500$313.7K0.28%00.0%Unchanged
Buckingham Capital Management, Inc.3,483$312.1K0.04%00.0%Unchanged
Lokken Investment Group LLC3,474$311.3K0.15%00.0%Unchanged
Beaumont Financial Advisors, LLC3,441$308.4K0.02%−130−3.6%Reduced
International Assets Investment Management, LLC3,437$308.0K0.03%+35+1.0%Added
Nations Financial Group Inc,3,399$304.6K0.02%00.0%Unchanged
Kovitz Investment Group Partners, LLC3,389$303.7K0.00%+3+0.1%Added
Cresset Asset Management, LLC3,388$303.7K0.00%+317+10.3%Added
Retirement Income Solutions, Inc3,350$300.2K0.07%00.0%Unchanged
Advisors Management Group Inc3,309$297.0K0.07%−240−6.8%Reduced
Geller Advisors LLC3,277$295.8K0.02%+79+2.5%Added
Jacobi Capital Management LLC3,297$295.5K0.03%+4+0.1%Added
Meeder Advisory Services, Inc.3,295$295.3K0.02%+615+22.9%Added
Two Sigma Securities, LLC3,269$293.0K0.01%+26+0.8%Added
Aspen Investment Management Inc3,260$292.0K0.15%+150+4.8%Added
Keystone Wealth Services, LLC3,258$292.0K0.09%00.0%Unchanged
Cypress Capital Group3,235$289.9K0.03%00.0%Unchanged
Parallel Advisors, LLC3,217$288.3K0.01%+243+8.2%Added
Infrastructure Capital Advisors, LLC3,212$287.9K0.04%−38−1.2%Reduced
TrinityPoint Wealth, LLC3,206$287.3K0.04%−1,105−25.6%Reduced