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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, Q1 2022

Institutional positions in Iron Mountain Inc as of Mar 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
777
+34 vs. Q4 2021
Shares held
224.6M
−3.39M (−1.5%) vs. Q4 2021
Total value
$12.4B
+$518.2M (+4.3%) vs. Q4 2021
New holders
90
295 more added
Sold out
56
272 more reduced

11 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2021: 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 holdersQ1 2022: 777 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 heldQ1 2022: $12.4B
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, Q1 2022

Shares, value and share of portfolio for each institution holding Iron Mountain Inc; share changes are against Q4 2021.

Institutions holding IRM in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Key Financial Inc1$00.00%00.0%Unchanged
Curi Capital3$00.00%00.0%Unchanged
GoalVest Advisory LLC6$00.00%+6New
Optimum Investment Advisors11$1.00K0.00%00.0%Unchanged
JJJ Advisors Inc.19$1.00K0.00%00.0%Unchanged
Versant Capital Management, Inc16$1.00K0.00%+2+14.3%Added
Ritter Daniher Financial Advisory, LLC15$1.00K0.00%00.0%Unchanged
Bivin & Associates, Inc.20$1.00K0.00%00.0%Unchanged
Lenox Wealth Advisors, LLC10$1.00K0.00%+5+100.0%Added
Allworth Financial LP21$1.00K0.00%+21New
Kelly Financial Services LLC36$2.00K0.00%00.0%Unchanged
Sandy Spring Bank44$2.00K0.00%00.0%Unchanged
Evoke Wealth, LLC33$2.00K0.00%+33New
Raffa Wealth Management, LLC39$2.16K0.00%00.0%Unchanged
Sutton Wealth Advisors Inc.46$2.55K0.00%+13+39.4%Added
MV Capital Management, Inc.61$3.00K0.00%−1−1.6%Reduced
Fieldpoint Private Securities, LLC54$3.00K0.00%00.0%Unchanged
Rise Advisors, LLC60$3.00K0.00%+60New
Bartlett & Co. Wealth Management LLC70$3.92K0.00%+70New
Bartlett & Co. LLC70$4.00K0.00%+70New
Federated Hermes, Inc.91$5.00K0.00%−17,634−99.5%Reduced
Hudock, Inc.98$5.00K0.00%+1+1.0%Added
Zions Bancorporation, N.A.96$5.00K0.00%00.0%Unchanged
Glassman Wealth Services85$5.00K0.00%+14+19.7%Added
Dixon Hughes Goodman Wealth Advisors LLC100$6.00K0.00%−75−42.9%Reduced
Ellis Investment Partners, LLC116$6.00K0.00%00.0%Unchanged
McIlrath & Eck, LLC100$6.00K0.00%00.0%Unchanged
Lake Point Wealth Management100$6.00K0.00%00.0%Unchanged
Center for Financial Planning, Inc.105$6.00K0.00%00.0%Unchanged
Hoese & Co LLP100$6.00K0.01%00.0%Unchanged
Dark Forest Capital Management LP103$6.00K0.00%+92+836.4%Added
Capital Advisory Group Advisory Services, LLC104$6.00K0.00%+104New
Heritage Wealth Management, LLC115$6.00K0.00%+115New
Earnest Partners LLC133$7.00K0.00%00.0%Unchanged
Assetmark, Inc134$7.00K0.00%+9+7.2%Added
Benjamin Edwards Inc128$7.00K0.00%+1+0.8%Added
Prestige Wealth Management Group LLC152$8.00K0.00%−20−11.6%Reduced
Kozak & Associates, Inc.149$8.00K0.01%00.0%Unchanged
Carmichael Hill & Associates, Inc.143$8.00K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc155$9.00K0.00%00.0%Unchanged
CVA Family Office, LLC160$9.00K0.00%+15+10.3%Added
GW&K Investment Management, LLC170$9.00K0.00%+170New
Blue Bell Private Wealth Management, LLC186$10.0K0.00%+186New
BerganKDV Wealth Management, LLC207$11.0K0.00%+3+1.5%Added
Dividend Assets Capital, LLC200$11.0K0.00%+100+100.0%Added
Glen Eagle Advisors, LLC200$11.1K0.00%−385−65.8%Reduced
Quent Capital, LLC240$13.0K0.00%−182−43.1%Reduced
Exchange Traded Concepts, LLC230$13.0K0.00%−33−12.5%Reduced
Kistler-Tiffany Companies, LLC229$13.0K0.00%+2+0.9%Added
Covington Capital Management275$15.0K0.00%−25−8.3%Reduced
Harbor Investment Advisory, LLC272$15.0K0.00%00.0%Unchanged
Institutional & Family Asset Management, LLC273$15.0K0.00%00.0%Unchanged
IAG Wealth Partners, LLC295$16.0K0.01%00.0%Unchanged
RPg Family Wealth Advisory, LLC310$17.4K0.01%00.0%Unchanged
Whittier Trust Co of Nevada Inc329$18.0K0.00%00.0%Unchanged
Pflug Koory, LLC329$18.0K0.01%00.0%Unchanged
Graves-Light Private Wealth Management, Inc.330$18.0K0.00%00.0%Unchanged
GeoWealth Management, LLC324$18.0K0.00%+324New
Piscataqua Savings Bank353$20.0K0.01%00.0%Unchanged
Lindbrook Capital, LLC366$20.0K0.00%+58+18.8%Added
First Community Trust NA385$21.0K0.02%00.0%Unchanged
JFS Wealth Advisors, LLC370$21.0K0.00%+150+68.2%Added
AlphaMark Advisors, LLC400$22.0K0.01%+400New
Bank of New Hampshire400$22.0K0.01%+400New
Savior LLC420$23.0K0.02%00.0%Unchanged
Riverview Trust Co421$23.0K0.02%+421New
PFS Partners, LLC419$23.2K0.02%00.0%Unchanged
Baystate Wealth Management LLC431$24.0K0.00%+5+1.2%Added
Quadrant Capital Group LLC459$25.0K0.00%−1−0.2%Reduced
Byrne Asset Management LLC450$25.0K0.02%00.0%Unchanged
GHP Investment Advisors, Inc.477$26.0K0.00%+477New
Hazlett, Burt & Watson, Inc.500$28.0K0.02%+500New
SJS Investment Consulting Inc.500$28.0K0.01%+500New
Corbenic Partners LLC514$29.0K0.01%00.0%Unchanged
Focused Wealth Management, Inc523$29.0K0.00%+3+0.6%Added
Financial Avengers, Inc.529$29.0K0.02%+7+1.3%Added
Lee Financial Co535$30.0K0.01%+35+7.0%Added
Webster Bank, N. A.557$31.0K0.00%00.0%Unchanged
Fortitude Advisory Group L.L.C.572$32.0K0.02%+113+24.6%Added
Lloyd Advisory Services, LLC.–$32.0K0.01%–New
Massmutual Trust Co FSB601$33.0K0.00%−4−0.7%Reduced
Hanson & Doremus Investment Management625$35.0K0.01%−1,640−72.4%Reduced
TCWP LLC650$36.0K0.01%+650New
Valley National Advisers Inc684$38.0K0.01%00.0%Unchanged
Nelson, Van Denburg & Campbell Wealth Management Group, LLC767$42.0K0.00%+625+440.1%Added
Sound Income Strategies, LLC786$44.0K0.01%−97−11.0%Reduced
Central Trust Co800$44.0K0.00%+400+100.0%Added
AdvisorNet Financial, Inc803$44.0K0.00%+425+112.4%Added
Harel Insurance Investments & Financial Services Ltd.800$44.0K0.00%+800New
AllSquare Wealth Management LLC798$44.0K0.03%+798New
Howe & Rusling Inc804$45.0K0.01%00.0%Unchanged
Beacon Capital Management, LLC821$45.0K0.01%+821New
Clearstead Advisors, LLC833$46.0K0.00%00.0%Unchanged
Private Ocean, LLC900$50.0K0.01%00.0%Unchanged
Corsicana & Co.900$50.0K0.03%+900New
Desjardins Global Asset Management Inc.923$51.0K0.00%−56−5.7%Reduced
TCI Wealth Advisors, Inc.945$52.0K0.01%+53+5.9%Added
Whittier Trust Co953$53.0K0.00%−2,100−68.8%Reduced
North Star Investment Management Corp.970$54.0K0.00%00.0%Unchanged
Avion Wealth969$54.0K0.02%00.0%Unchanged