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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 2022

Institutional positions in Iron Mountain Inc as of Jun 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
767
+7 vs. Q1 2022
Shares held
224.1M
+1.54M (+0.7%) vs. Q1 2022
Total value
$10.9B
−$1.42B (−11.5%) vs. Q1 2022
New holders
82
299 more added
Sold out
75
260 more reduced

17 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2022: 767 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 2022: $10.9B
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 2022

Shares, value and share of portfolio for each institution holding Iron Mountain Inc; share changes are against Q1 2022.

Institutions holding IRM in Q2 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Mitsubishi UFJ Trust & Banking Corp204,234$9.94M0.03%−64,179−23.9%Reduced
Advisor Group Holdings, Inc.196,154$9.55M0.02%+6,029+3.2%Added
Gilman Hill Asset Management, LLC186,726$9.09M1.96%−13,156−6.6%Reduced
Storebrand Asset Management AS186,651$9.09M0.05%−7,672−3.9%Reduced
State of Alaska, Department of Revenue183,134$8.91M0.11%−6,975−3.7%Reduced
Commonwealth Equity Services, LLC180,330$8.78M0.02%−3,853−2.1%Reduced
Sheaff Brock Investment Advisors, LLC179,961$8.76M1.01%−13,744−7.1%Reduced
Sargent Investment Group, LLC175,705$8.55M2.65%+660+0.4%Added
Chevy Chase Trust Holdings, Inc.175,472$8.54M0.04%+1,355+0.8%Added
Mutual Advisors, LLC169,508$8.25M0.55%+1,954+1.2%Added
La Financiere de L'Echiquier169,003$8.23M0.49%+169,003New
Trust Co of Virginia165,849$8.07M0.97%+3,531+2.2%Added
State of New Jersey Common Pension Fund D163,879$7.98M0.03%+4,752+3.0%Added
Janney Montgomery Scott LLC161,819$7.93M0.04%+6,270+4.0%Added
Toronto Dominion Bank159,731$7.78M0.01%−592−0.4%Reduced
Guggenheim Capital LLC158,894$7.74M0.06%−10,539−6.2%Reduced
Public Employees Retirement System of Ohio150,580$7.33M0.03%−5,540−3.5%Reduced
Snowden Capital Advisors LLC148,002$7.21M0.32%−13,115−8.1%Reduced
WealthTrust Axiom LLC145,604$7.09M2.53%−20,411−12.3%Reduced
CIBC World Markets Corp144,745$7.05M0.07%−18,618−11.4%Reduced
BNP Paribas Arbitrage, SA144,540$7.04M0.02%+52,125+56.4%Added
Nisa Investment Advisors, LLC137,658$6.70M0.06%−9,494−6.5%Reduced
Victory Capital Management Inc136,928$6.67M0.01%−3,618−2.6%Reduced
Ar Asset Management Inc131,600$6.41M1.81%00.0%Unchanged
Treasurer of the State of North Carolina128,817$6.27M0.04%+19,302+17.6%Added
State of Wisconsin Investment Board126,906$6.18M0.02%−7,562−5.6%Reduced
EWG Elevate Inc.126,066$6.14M2.99%+8,734+7.4%Added
Squarepoint Ops LLC124,503$6.06M0.06%−22,769−15.5%Reduced
Voloridge Investment Management, LLC123,984$6.04M0.03%+123,984New
ExodusPoint Capital Management, LP119,879$5.84M0.08%+115,452+2,607.9%Added
Natixis Advisors, L.P.117,369$5.71M0.03%−10,206−8.0%Reduced
Ardsley Advisory Partners LP115,000$5.60M1.39%+15,000+15.0%Added
Azimuth Capital Investment Management LLC114,825$5.59M0.28%+114,825New
Amalgamated Bank113,302$5.52M0.05%+7,603+7.2%Added
Cambridge Investment Research Advisors, Inc.112,045$5.46M0.03%+4,454+4.1%Added
Truist Financial Corp110,309$5.37M0.01%−343−0.3%Reduced
Baker Ellis Asset Management LLC107,618$5.24M1.09%+390+0.4%Added
Mirabella Financial Services LLP105,610$5.14M0.51%+105,610New
Private Advisor Group, LLC102,332$4.98M0.04%−1,540−1.5%Reduced
Daiwa Securities Group Inc.102,171$4.97M0.04%−5,169−4.8%Reduced
SEI Investments Co101,359$4.94M0.01%−53,444−34.5%Reduced
DekaBank Deutsche Girozentrale104,307$4.94M0.01%+44,992+75.9%Added
Royal London Asset Management Ltd101,149$4.93M0.02%+2,325+2.4%Added
Berger Financial Group, Inc100,841$4.91M0.72%−1,514−1.5%Reduced
M&T Bank Corp102,172$4.91M0.02%+4,524+4.6%Added
Standard Life Aberdeen plc99,483$4.89M0.02%+6,021+6.4%Added
Foresight Capital Management Advisors, Inc.99,090$4.83M7.38%−1,378−1.4%Reduced
Swiss Life Asset Management Ltd97,876$4.77M0.08%−27,119−21.7%Reduced
Burney Co96,578$4.70M0.25%+2,101+2.2%Added
Andra AP-fonden96,500$4.70M0.13%+96,500New
Wealthfront Advisers LLC96,285$4.69M0.02%+471+0.5%Added
Fifth Third Bancorp94,708$4.61M0.02%−1,583−1.6%Reduced
Sonora Investment Management Group, LLC93,664$4.56M0.43%−2,740−2.8%Reduced
Advisors Asset Management, Inc.93,449$4.55M0.08%+93,449New
Chicago Capital, LLC92,456$4.50M0.25%−473−0.5%Reduced
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund92,184$4.49M0.06%−10,200−10.0%Reduced
Robeco Institutional Asset Management B.V.89,682$4.37M0.01%−117,003−56.6%Reduced
Korea Investment CORP89,214$4.34M0.01%−23,486−20.8%Reduced
USS Investment Management Ltd88,050$4.29M0.05%−4,325−4.7%Reduced
Forsta Ap-Fonden87,100$4.24M0.06%−41,200−32.1%Reduced
MetLife Investment Management87,082$4.24M0.03%−656−0.7%Reduced
Westpac Banking Corp86,560$4.21M0.05%−2,213−2.5%Reduced
Erste Asset Management GmbH87,300$4.21M0.09%−1,300−1.5%Reduced
Woodstock Corp85,861$4.18M0.58%−60−0.1%Reduced
Meiji Yasuda Asset Management Co Ltd.84,870$4.13M0.24%+30,837+57.1%Added
Macquarie Group Ltd84,544$4.12M0.00%+1,677+2.0%Added
TD Private Client Wealth LLC84,366$4.11M0.20%−4,490−5.1%Reduced
American International Group, Inc.84,084$4.09M0.03%−2,515−2.9%Reduced
Siemens Fonds Invest GmbH84,077$4.09M0.43%00.0%Unchanged
PFS Investments Inc.83,369$4.06M0.08%+7,066+9.3%Added
Cetera Advisor Networks LLC83,299$4.05M0.05%+3,110+3.9%Added
Arizona State Retirement System80,889$3.94M0.04%+291+0.4%Added
Moors & Cabot, Inc.80,681$3.93M0.28%−4,784−5.6%Reduced
State of Michigan Retirement System78,446$3.82M0.03%−5,898−7.0%Reduced
ProShare Advisors LLC76,510$3.73M0.01%−23,259−23.3%Reduced
Salem Investment Counselors Inc75,228$3.71M0.17%+10,210+15.7%Added
American Trust Investment Advisors, LLC74,127$3.61M2.26%+180+0.2%Added
Truvestments Capital LLC73,271$3.57M2.09%+1,384+1.9%Added
Avantax Advisory Services, Inc.70,921$3.45M0.05%+4,046+6.1%Added
Schonfeld Strategic Advisors LLC69,057$3.36M0.04%+69,057New
Edgestream Partners, L.P.69,023$3.36M0.26%+46,800+210.6%Added
Ensign Peak Advisors, Inc68,726$3.35M0.01%−6,032−8.1%Reduced
Cetera Advisors LLC68,509$3.34M0.08%+1,975+3.0%Added
Oliver Luxxe Assets LLC67,254$3.27M0.97%+210.0%Added
Comerica Bank70,258$3.26M0.03%−685−1.0%Reduced
National Asset Management, Inc.66,597$3.24M0.14%−10,561−13.7%Reduced
HighTower Advisors, LLC65,973$3.21M0.01%−1,056−1.6%Reduced
Consolidated Planning Corp65,831$3.21M1.00%+65,831New
Catalyst Capital Advisors LLC63,350$3.08M0.13%−4,150−6.1%Reduced
Nepsis, Inc.62,959$3.06M1.09%+5,052+8.7%Added
Vectors Research Management, LLC62,344$3.04M0.77%−1,389−2.2%Reduced
Franklin Resources Inc61,423$2.99M0.00%−6,116−9.1%Reduced
MML Investors Services, LLC61,122$2.98M0.02%+2,493+4.3%Added
Nissay Asset Management Corp60,717$2.96M0.03%+305+0.5%Added
HNP Capital LLC60,404$2.94M0.81%−1,060−1.7%Reduced
SG Americas Securities, LLC59,678$2.91M0.04%+51,478+627.8%Added
G&S Capital LLC59,662$2.90M1.71%+1,523+2.6%Added
Peapack Gladstone Financial Corp59,550$2.90M0.07%−835−1.4%Reduced
Bridgewater Associates, LP57,184$2.78M0.01%+8,360+17.1%Added
Frontier Wealth Management LLC56,951$2.77M0.20%+56,951New