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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, Q3 2022

Institutional positions in Iron Mountain Inc as of Sep 30, 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
743
−9 vs. Q2 2022
Shares held
227.0M
+3.02M (+1.4%) vs. Q2 2022
Total value
$10.0B
−$913.1M (−8.4%) vs. Q2 2022
New holders
64
289 more added
Sold out
73
256 more reduced

15 institutions that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2022: 743 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 heldQ3 2022: $10.0B
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, Q3 2022

Shares, value and share of portfolio for each institution holding Iron Mountain Inc; share changes are against Q2 2022.

Institutions holding IRM in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Key Financial Inc1$00.00%00.0%Unchanged
Wolff Wiese Magana LLC5$00.00%00.0%Unchanged
Crewe Advisors LLC3$00.00%+3New
Leonteq Securities AG1$440.00%−371−99.7%Reduced
JJJ Advisors Inc.19$1.00K0.00%00.0%Unchanged
Versant Capital Management, Inc16$1.00K0.00%00.0%Unchanged
Ritter Daniher Financial Advisory LLC15$1.00K0.00%00.0%Unchanged
Eagle Bay Advisors LLC20$1.00K0.00%00.0%Unchanged
Community Bank, N.A.14$1.00K0.00%+14New
Kelly Financial Services LLC36$1.58K0.00%00.0%Unchanged
Raffa Wealth Management, LLC39$1.72K0.00%−22−36.1%Reduced
Sandy Spring Bank45$2.00K0.00%00.0%Unchanged
Evoke Wealth, LLC40$2.00K0.00%00.0%Unchanged
FourThought Financial, LLC45$2.00K0.00%+45New
Bartlett & Co. LLC70$3.00K0.00%00.0%Unchanged
MV Capital Management, Inc.73$3.00K0.00%+9+14.1%Added
Bartlett & Co. Wealth Management LLC70$3.12K0.00%00.0%Unchanged
Tradition Wealth Management, LLC100$4.00K0.00%−879−89.8%Reduced
Stonebridge Capital Advisors LLC96$4.00K0.00%+1+1.1%Added
McIlrath & Eck, LLC100$4.00K0.00%00.0%Unchanged
Hoese & Co LLP100$4.00K0.00%00.0%Unchanged
Hudock, Inc.100$4.00K0.00%+1+1.0%Added
Capital Advisors, Ltd. LLC90$4.00K0.00%+90New
Almanack Investment Partners, LLC.92$4.00K0.00%+92New
Ellis Investment Partners, LLC116$5.00K0.00%00.0%Unchanged
Center for Financial Planning, Inc.105$5.00K0.00%00.0%Unchanged
Moisand Fitzgerald Tamayo, LLC111$5.00K0.00%+111New
GW&K Investment Management, LLC140$6.00K0.00%−70−33.3%Reduced
HHM Wealth Advisors, LLC138$6.00K0.00%−62−31.0%Reduced
Glassman Wealth Services144$6.00K0.00%+6+4.3%Added
Carmichael Hill & Associates, Inc.143$6.00K0.00%00.0%Unchanged
Bell Investment Advisors, Inc133$6.00K0.00%−9−6.3%Reduced
Earnest Partners LLC133$6.00K0.00%00.0%Unchanged
Benjamin Edwards Inc131$6.00K0.00%+1+0.8%Added
Rise Advisors, LLC141$6.00K0.00%+51+56.7%Added
Coston, McIsaac & Partners169$7.00K0.00%+2+1.2%Added
Kozak & Associates, Inc.154$7.00K0.00%+4+2.7%Added
MUFG Americas Holdings Corp150$7.00K0.00%+150New
EverSource Wealth Advisors, LLC150$7.00K0.00%+150New
Assetmark, Inc184$8.00K0.00%−23−11.1%Reduced
BerganKDV Wealth Management, LLC212$9.00K0.00%+3+1.4%Added
Prestige Wealth Management Group LLC197$9.00K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc195$9.00K0.00%+40+25.8%Added
CVA Family Office, LLC210$9.00K0.00%+50+31.3%Added
JFS Wealth Advisors, LLC220$10.0K0.00%−150−40.5%Reduced
Kistler-Tiffany Companies, LLC238$10.0K0.00%+6+2.6%Added
Heritage Wealth Management, LLC219$10.0K0.00%00.0%Unchanged
Westside Investment Management, Inc.250$10.0K0.00%−26−9.4%Reduced
Livforsakringsbolaget Skandia, Omsesidigt261$11.0K0.00%−800−75.4%Reduced
Zions Bancorporation, N.A.255$11.0K0.00%00.0%Unchanged
Quent Capital, LLC240$11.0K0.00%00.0%Unchanged
Larson Financial Group LLC253$11.0K0.00%+197+351.8%Added
Institutional & Family Asset Management, LLC273$12.0K0.00%00.0%Unchanged
IAG Wealth Partners, LLC295$13.0K0.00%00.0%Unchanged
Harbor Investment Advisory, LLC294$13.0K0.00%+22+8.1%Added
Axiom Investment Management LLC300$13.0K0.03%+300New
Pflug Koory, LLC329$14.0K0.01%00.0%Unchanged
Whittier Trust Co of Nevada Inc333$15.0K0.00%00.0%Unchanged
Covington Capital Management330$15.0K0.00%+100+43.5%Added
Piscataqua Savings Bank353$16.0K0.02%00.0%Unchanged
Covestor Ltd390$17.0K0.02%−505−56.4%Reduced
First Community Trust NA385$17.0K0.02%00.0%Unchanged
Savior LLC380$17.0K0.02%00.0%Unchanged
Castle Wealth Management LLC384$17.0K0.01%00.0%Unchanged
Quadrant Capital Group LLC404$18.0K0.00%−48−10.6%Reduced
AlphaMark Advisors, LLC400$18.0K0.01%00.0%Unchanged
Bank of New Hampshire400$18.0K0.01%00.0%Unchanged
Activest Wealth Management400$18.0K0.01%+400New
PFS Partners, LLC419$18.4K0.02%00.0%Unchanged
Baystate Wealth Management LLC442$19.0K0.00%+6+1.4%Added
Riverview Trust Co421$19.0K0.02%00.0%Unchanged
Harel Insurance Investments & Financial Services Ltd.450$20.0K0.00%−550−55.0%Reduced
Byrne Asset Management LLC450$20.0K0.02%00.0%Unchanged
GeoWealth Management, LLC450$20.0K0.00%+72+19.0%Added
GHP Investment Advisors, Inc.488$21.0K0.00%+6+1.2%Added
Hazlett, Burt & Watson, Inc.500$22.0K0.02%00.0%Unchanged
RWM Asset Management, LLC500$22.0K0.00%+500New
Focused Wealth Management, Inc530$23.0K0.00%+3+0.6%Added
Trust Co of Vermont520$23.0K0.00%−2−0.4%Reduced
Webster Bank, N. A.557$24.0K0.00%00.0%Unchanged
Financial Avengers, Inc.541$24.0K0.02%+7+1.3%Added
Lindbrook Capital, LLC641$28.0K0.00%+44+7.4%Added
Valley National Advisers Inc650$31.0K0.01%−34−5.0%Reduced
Tucker Asset Management LLC655$32.8K0.01%00.0%Unchanged
Nelson, Van Denburg & Campbell Wealth Management Group, LLC767$33.0K0.00%00.0%Unchanged
Spire Wealth Management750$33.0K0.00%−9−1.2%Reduced
AdvisorNet Financial, Inc763$34.0K0.00%−95−11.1%Reduced
Cambridge Trust Co779$34.0K0.00%+44+6.0%Added
Allworth Financial LP775$34.0K0.00%+441+132.0%Added
Abound Wealth Management778$34.2K0.02%+778New
Howe & Rusling Inc804$35.0K0.00%00.0%Unchanged
AllSquare Wealth Management LLC798$35.0K0.03%00.0%Unchanged
First Personal Financial Services785$35.0K0.01%+785New
Proffitt & Goodson Inc825$36.0K0.01%00.0%Unchanged
American Research & Management Co.808$36.0K0.01%00.0%Unchanged
Massmutual Trust Co FSB837$37.0K0.00%+215+34.6%Added
Private Ocean, LLC900$39.0K0.01%00.0%Unchanged
Beacon Capital Management, LLC821$40.0K0.01%00.0%Unchanged
Corsicana & Co.900$40.0K0.03%00.0%Unchanged
Sound Income Strategies, LLC899$40.0K0.01%+113+14.4%Added