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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 2023

Institutional positions in Iron Mountain Inc as of Jun 30, 2023. 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
817
+35 vs. Q1 2023
Shares held
227.1M
+1.66M (+0.7%) vs. Q1 2023
Total value
$12.9B
+$954.9M (+8.0%) vs. Q1 2023
New holders
86
284 more added
Sold out
51
292 more reduced

8 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2023: 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 2023: 817 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 2023: $12.9B
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 2023

Shares, value and share of portfolio for each institution holding Iron Mountain Inc; share changes are against Q1 2023.

Institutions holding IRM in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Capital Advisors, Ltd. LLC4$00.00%00.0%Unchanged
Bollard Group LLC5$00.00%+5New
Key Financial Inc1$570.00%00.0%Unchanged
EverSource Wealth Advisors, LLC4$2270.00%+4New
Wolff Wiese Magana LLC5$2850.00%00.0%Unchanged
Venturi Wealth Management, LLC5$2850.00%+5New
Crewe Advisors LLC5$2850.00%+5New
Manchester Capital Management LLC6$3410.00%+6New
Sofos Investments, Inc.57$3620.00%+57New
Leonteq Securities AG16$9090.00%−421−96.3%Reduced
Baker Avenue Asset Management, LP17$9660.00%00.0%Unchanged
JJJ Advisors Inc.19$1.08K0.00%00.0%Unchanged
Versant Capital Management, Inc19$1.08K0.00%+3+18.8%Added
Concord Wealth Partners22$1.25K0.00%00.0%Unchanged
Trifecta Capital Advisors, LLC27$1.53K0.00%00.0%Unchanged
Larson Financial Group LLC29$1.64K0.00%−217−88.2%Reduced
Hollencrest Capital Management29$1.65K0.00%−15−34.1%Reduced
Kelly Financial Services LLC36$2.05K0.00%00.0%Unchanged
Raffa Wealth Management, LLC39$2.22K0.00%00.0%Unchanged
Sandy Spring Bank47$2.67K0.00%+1+2.2%Added
Caldwell Sutter Capital, Inc.50$2.84K0.00%+50New
Rise Advisors, LLC51$2.91K0.00%−93−64.6%Reduced
SkyView Investment Advisors, LLC45$3.00K0.00%+23+104.5%Added
Bartlett & Co. LLC70$4.00K0.00%00.0%Unchanged
Bartlett & Co. Wealth Management LLC70$4.02K0.00%00.0%Unchanged
Quarry LP79$4.49K0.00%+79New
Bokf, NA83$4.72K0.00%−506−85.9%Reduced
MV Capital Management, Inc.83$4.72K0.00%+3+3.8%Added
Ronald Blue Trust, Inc.96$5.00K0.00%−239−71.3%Reduced
Red Tortoise LLC94$5.34K0.00%00.0%Unchanged
Hoese & Co LLP100$5.68K0.01%00.0%Unchanged
Ameliora Wealth Management Ltd.100$5.68K0.00%−1,500−93.8%Reduced
McIlrath & Eck, LLC100$5.68K0.00%00.0%Unchanged
Moisand Fitzgerald Tamayo, LLC113$6.42K0.00%00.0%Unchanged
Colonial Trust Advisors115$6.53K0.00%00.0%Unchanged
Tradition Wealth Management, LLC121$7.00K0.00%+1+0.8%Added
Assetmark, Inc125$7.10K0.00%−6−4.6%Reduced
Bell Investment Advisors, Inc126$7.16K0.00%+9+7.7%Added
Earnest Partners LLC133$7.56K0.00%00.0%Unchanged
Oakworth Capital, Inc.133$7.56K0.00%+133New
Anchor Investment Management, LLC135$7.67K0.00%+135New
Benjamin Edwards Inc137$8.00K0.00%+2+1.5%Added
Park Place Capital Corp141$8.01K0.00%+9+6.8%Added
Carmichael Hill & Associates, Inc.143$8.13K0.00%00.0%Unchanged
Coston, McIsaac & Partners175$9.00K0.00%+2+1.2%Added
Harel Insurance Investments & Financial Services Ltd.160$9.00K0.00%00.0%Unchanged
Kozak & Associates, Inc.158$9.06K0.00%+2+1.3%Added
Chesapeake Asset Management LLC170$9.66K0.01%00.0%Unchanged
Safeguard Financial, LLC193$10.0K0.00%+193New
Prestige Wealth Management Group LLC179$10.3K0.00%00.0%Unchanged
HHM Wealth Advisors, LLC184$10.5K0.00%00.0%Unchanged
Sturgeon Ventures LLP185$10.7K0.01%+185New
Farmers & Merchants Investments Inc195$11.1K0.00%00.0%Unchanged
Chilton Capital Management LLC205$11.6K0.00%00.0%Unchanged
Harbor Investment Advisory, LLC217$12.3K0.00%−36−14.2%Reduced
JFS Wealth Advisors, LLC220$12.5K0.00%00.0%Unchanged
BerganKDV Wealth Management, LLC220$12.5K0.00%+3+1.4%Added
Zions Bancorporation, N.A.229$13.0K0.00%−11−4.6%Reduced
Allianz Asset Management GmbH230,954$13.1K0.00%−81,345−26.0%Reduced
Quent Capital, LLC240$13.6K0.00%00.0%Unchanged
Covestor Ltd251$14.0K0.01%−30−10.7%Reduced
Cutler Group LP250$14.0K0.00%+82+48.8%Added
CVA Family Office, LLC255$14.5K0.00%00.0%Unchanged
Livforsakringsbolaget Skandia, Omsesidigt261$15.0K0.00%00.0%Unchanged
Institutional & Family Asset Management, LLC273$15.5K0.00%00.0%Unchanged
GW&K Investment Management, LLC277$16.0K0.00%+137+97.9%Added
IAG Wealth Partners, LLC295$16.8K0.00%00.0%Unchanged
WR Wealth Planners, LLC300$17.0K0.01%00.0%Unchanged
GeoWealth Management, LLC316$18.0K0.00%−25−7.3%Reduced
Capital Analysts, LLC316$18.0K0.00%+316New
Glassman Wealth Services319$18.1K0.00%+91+39.9%Added
Whittier Trust Co of Nevada Inc329$18.7K0.00%00.0%Unchanged
Caldwell Trust Co350$19.9K0.00%00.0%Unchanged
Piscataqua Savings Bank353$20.1K0.02%00.0%Unchanged
Stonebridge Capital Advisors LLC363$20.6K0.00%+264+266.7%Added
Fred Alger Management, LLC376$21.4K0.00%+376New
First Community Trust NA385$21.9K0.02%00.0%Unchanged
First Personal Financial Services390$22.2K0.01%00.0%Unchanged
Ci Investments Inc.408$23.0K0.00%+392+2,450.0%Added
PFS Partners, LLC419$23.8K0.02%00.0%Unchanged
Johnson Financial Group, Inc.430$24.4K0.00%00.0%Unchanged
First Capital Advisors Group, LLC.438$24.9K0.01%+438New
Trust Co of Vermont450$25.6K0.00%−70−13.5%Reduced
Byrne Asset Management LLC450$26.0K0.02%00.0%Unchanged
Baystate Wealth Management LLC459$26.1K0.00%+6+1.3%Added
Hazlett, Burt & Watson, Inc.500$28.0K0.02%00.0%Unchanged
Barrett & Company, Inc.500$28.4K0.02%+500New
Sunbelt Securities, Inc.516$29.3K0.00%−1,154−69.1%Reduced
Compass Wealth Management LLC525$29.8K0.01%00.0%Unchanged
Prostatis Group LLC13,539$30.3K0.01%+13,539New
Webster Bank, N. A.557$31.6K0.00%00.0%Unchanged
Financial Avengers, Inc.562$31.9K0.02%+7+1.3%Added
Lindbrook Capital, LLC565$32.1K0.00%+11+2.0%Added
Bank of New Hampshire575$32.7K0.01%+175+43.8%Added
Valley National Advisers Inc650$37.0K0.01%00.0%Unchanged
Tucker Asset Management LLC655$37.2K0.01%−50−7.1%Reduced
Newbridge Financial Services Group, Inc.655$37.2K0.02%−665−50.4%Reduced
ORG Partners LLC656$37.5K0.01%+656New
AllSquare Wealth Management LLC712$38.0K0.02%−86−10.8%Reduced
AdvisorNet Financial, Inc674$38.3K0.00%−12−1.7%Reduced