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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
GPS Wealth Strategies Group, LLC500$44.8K0.01%00.0%Unchanged
Hazlett, Burt & Watson, Inc.500$45.0K0.02%00.0%Unchanged
Transcendent Capital Group LLC510$45.7K0.03%00.0%Unchanged
Sunbelt Securities, Inc.521$46.7K0.00%+4+0.8%Added
Compass Wealth Management LLC525$47.1K0.01%00.0%Unchanged
Webster Bank, N. A.557$49.9K0.01%00.0%Unchanged
North Star Investment Management Corp.570$51.1K0.00%00.0%Unchanged
Financial Avengers, Inc.584$52.4K0.03%+4+0.7%Added
MeadowBrook Investment Advisors LLC585$52.4K0.05%−1,570−72.9%Reduced
Caitlin John, LLC598$53.6K0.04%+5+0.8%Added
AlphaMark Advisors, LLC611$55.0K0.02%+3+0.5%Added
Annis Gardner Whiting Capital Advisors, LLC615$55.5K0.02%+30+5.1%Added
Harbor Investment Advisory, LLC626$56.1K0.01%−16−2.5%Reduced
Jones Financial Companies LLLP631$56.6K0.00%+631New
GHP Investment Advisors, Inc.678$60.8K0.00%+9+1.3%Added
Proffitt & Goodson Inc694$62.2K0.01%−131−15.9%Reduced
Towarzystwo Funduszy Inwestycyjnych Pzu SA700$62.7K0.02%00.0%Unchanged
Global X Japan Co., Ltd.701$62.8K0.01%+701New
True Wealth Design, LLC714$63.9K0.02%+6+0.8%Added
Abound Wealth Management747$67.0K0.02%−12−1.6%Reduced
Optimum Investment Advisors750$67.2K0.03%00.0%Unchanged
Sawyer & Company, Inc775$69.0K0.03%00.0%Unchanged
Oliver Lagore Vanvalin Investment Group785$70.4K0.02%+785New
Ronald Blue Trust, Inc.882$70.7K0.00%+125+16.5%Added
Valley National Advisers Inc795$71.0K0.01%−16−2.0%Reduced
Bank of New Hampshire795$71.2K0.02%00.0%Unchanged
Cromwell Holdings LLC811$73.2K0.04%+811New
Lynx Investment Advisory824$73.8K0.05%+824New
Muzinich & Co., Inc.831$74.5K0.06%+244+41.6%Added
Smartleaf Asset Management LLC863$77.0K0.01%−114−11.7%Reduced
Halpern Financial, Inc.861$77.2K0.02%−351−29.0%Reduced
EdgeRock Capital LLC891$79.9K0.06%+891New
Bay Harbor Wealth Management, LLC890$80.3K0.03%−131−12.8%Reduced
Private Ocean, LLC900$80.7K0.01%00.0%Unchanged
Independence Bank of Kentucky905$81.1K0.02%00.0%Unchanged
Lindbrook Capital, LLC907$81.3K0.01%+131+16.9%Added
Sound Income Strategies, LLC919$82.3K0.01%00.0%Unchanged
Sandy Spring Bank931$83.5K0.00%+7+0.8%Added
Rothschild Investment LLC935$83.8K0.01%+40+4.5%Added
Clearstead Advisors, LLC952$85.3K0.00%+112+13.3%Added
JFS Wealth Advisors, LLC956$85.7K0.01%−3−0.3%Reduced
Princeton Global Asset Management LLC1,000$89.6K0.02%00.0%Unchanged
Hexagon Capital Partners LLC1,000$89.6K0.02%00.0%Unchanged
Avion Wealth1,026$91.0K0.03%−45−4.2%Reduced
Sittner & Nelson, LLC1,026$92.0K0.05%00.0%Unchanged
Thompson Investment Management, Inc.1,064$95.4K0.01%00.0%Unchanged
First Command Advisory Services, Inc.1,100$98.6K0.00%00.0%Unchanged
Pittenger & Anderson Inc1,125$100.8K0.00%+1,125New
Carolinas Wealth Consulting LLC1,144$102.5K0.02%+33+3.0%Added
Eagle Bay Advisors LLC1,149$103.7K0.06%−544−32.1%Reduced
Peoples Bank1,235$110.7K0.09%00.0%Unchanged
FinTrust Capital Advisors, LLC1,240$111.1K0.02%+240+24.0%Added
Redwood Wealth Management Group, LLC1,245$111.6K0.08%+1,245New
HHM Wealth Advisors, LLC1,263$113.2K0.02%+1,079+586.4%Added
Capstone Investment Advisors, LLC1,264$113.3K0.00%−795−38.6%Reduced
Sentry Investment Management LLC1,268$114.0K0.05%−260−17.0%Reduced
Parkside Financial Bank & Trust1,283$115.0K0.02%−38−2.9%Reduced
Silvant Capital Management LLC1,292$116.6K0.01%00.0%Unchanged
Massmutual Trust Co FSB1,347$120.7K0.00%+120+9.8%Added
First Horizon Advisors, Inc.1,350$121.0K0.00%00.0%Unchanged
Penserra Capital Management LLC1,375$123.0K0.00%−3,287−70.5%Reduced
Ci Investments Inc.1,390$125.0K0.00%−1,405−50.3%Reduced
Fortitude Family Office, LLC1,473$132.0K0.07%00.0%Unchanged
Quadrant Capital Group LLC1,473$132.0K0.01%−30−2.0%Reduced
EverSource Wealth Advisors, LLC1,303$133.6K0.01%+349+36.6%Added
First Financial Corp1,500$134.4K0.07%00.0%Unchanged
SJS Investment Consulting Inc.1,600$143.4K0.03%00.0%Unchanged
ORG Partners LLC1,609$144.4K0.02%+1,609New
Security National Bank1,619$145.1K0.02%00.0%Unchanged
Ashton Thomas Private Wealth, LLC1,619$145.1K0.01%+1,619New
Tower View Investment Management & Research LLC1,621$145.2K0.08%+14+0.9%Added
Geneos Wealth Management Inc.1,631$146.2K0.01%−3,050−65.2%Reduced
Central Trust Co1,647$147.6K0.00%−535−24.5%Reduced
Plato Investment Management Ltd1,661$148.9K0.01%00.0%Unchanged
Ninepoint Partners LP1,674$150.0K0.02%00.0%Unchanged
M&R Capital Management Inc1,689$151.4K0.04%−2−0.1%Reduced
Toth Financial Advisory Corp1,697$152.1K0.02%−884−34.3%Reduced
Newbridge Financial Services Group, Inc.1,746$156.5K0.06%+1,045+149.1%Added
Addison Advisors LLC1,791$160.5K0.05%−150−7.7%Reduced
Monetary Management Group Inc1,800$161.3K0.04%00.0%Unchanged
Deseret Mutual Benefit Administrators1,977$177.2K0.08%−18−0.9%Reduced
Financial Perspectives, Inc2,000$179.2K0.07%00.0%Unchanged
Baldwin Brothers Inc2,008$180.0K0.01%00.0%Unchanged
Cullen/Frost Bankers, Inc.2,017$180.8K0.00%+17+0.9%Added
Farther Finance Advisors, LLC2,075$186.1K0.01%−323−13.5%Reduced
Lazard Asset Management LLC2,124$190.0K0.00%−156,126−98.7%Reduced
NVWM, LLC2,156$194.6K0.05%+5+0.2%Added
Mayflower Financial Advisors, LLC2,234$200.2K0.03%+2,234New
Skopos Labs, Inc.2,525$200.8K0.09%00.0%Unchanged
Stevens Capital Management LP2,245$201.0K0.07%+2,245New
Foster Dykema Cabot & Partners, LLC2,249$201.6K0.02%+2,249New
Hodges Capital Management Inc.2,250$201.6K0.01%−7,507−76.9%Reduced
Moloney Securities Asset Management, LLC2,255$202.1K0.03%+2,255New
Ausdal Financial Partners, Inc.2,288$205.0K0.02%+2,288New
Good Life Advisors, LLC2,294$205.6K0.02%+2,294New
Community Bank & Trust, Waco, Texas2,300$206.0K0.05%−1,000−30.3%Reduced
Pegasus Asset Management, Inc.2,300$206.1K0.08%−9,195−80.0%Reduced
Carnegie Capital Asset Management, LLC2,305$206.6K0.01%+2,305New
Bedel Financial Consulting, Inc.2,307$206.7K0.03%+2,307New
Main Street Financial Solutions, LLC2,325$208.3K0.02%+2,325New