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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 6 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
CIBC Asset Management Inc35,033$1.71M0.01%−22,888−39.5%Reduced
Dorsey Wright & Associates35,305$1.72M0.50%+35,305New
Agf Investments Inc.35,332$1.72M0.02%00.0%Unchanged
Madison Asset Management, LLC35,738$1.74M0.03%−440−1.2%Reduced
EAM Global Investors LLC35,910$1.75M0.43%00.0%Unchanged
Tectonic Advisors LLC36,360$1.77M0.32%+7,123+24.4%Added
Eqis Capital Management, Inc.36,666$1.79M0.19%+5,913+19.2%Added
Public Employees Retirement Association of Colorado36,897$1.80M0.01%00.0%Unchanged
Vestcor Inc37,018$1.80M0.07%+31,709+597.3%Added
Alps Advisors Inc37,220$1.81M0.02%−2,741−6.9%Reduced
Ziegler Capital Management, LLC37,415$1.82M0.07%+1,436+4.0%Added
TKG Advisors, LLC37,444$1.82M1.57%+3,180+9.3%Added
SeaBridge Investment Advisors LLC38,041$1.85M0.60%−647−1.7%Reduced
Janus Henderson Group PLC38,060$1.85M0.00%−1,063,169−96.5%Reduced
Cubist Systematic Strategies, LLC38,277$1.86M0.01%+28,178+279.0%Added
Texas Permanent School Fund38,379$1.87M0.03%+822+2.2%Added
Duality Advisers, LP38,636$1.88M0.19%+38,636New
Wolverine Asset Management LLC39,193$1.91M0.02%+21,093+116.5%Added
Donoghue Forlines LLC39,354$1.92M0.50%−17,207−30.4%Reduced
Mutual of America Capital Management LLC39,617$1.93M0.02%+973+2.5%Added
Allspring Global Investments Holdings, LLC39,668$1.93M0.00%−169,016−81.0%Reduced
Northwestern Mutual Wealth Management Co40,064$1.95M0.00%+1,218+3.1%Added
U.S. Capital Wealth Advisors, LLC40,141$1.95M0.09%00.0%Unchanged
RB Capital Management, LLC40,511$1.97M0.74%+1,574+4.0%Added
Mackenzie Financial Corp41,563$2.02M0.00%+33,592+421.4%Added
Hartford Investment Management Co42,234$2.06M0.06%+443+1.1%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys42,306$2.06M0.02%+3,563+9.2%Added
Independent Advisor Alliance43,987$2.14M0.12%+390+0.9%Added
Gulf International Bank (UK) Ltd45,064$2.17M0.04%00.0%Unchanged
Eaton Vance Management44,745$2.18M0.00%−7,579−14.5%Reduced
Susquehanna International Group, LLP44,837$2.18M0.00%−43,907−49.5%Reduced
DuPont Capital Management Corp45,110$2.20M0.10%−7,877−14.9%Reduced
Cetera Investment Advisers45,851$2.23M0.04%−4,983−9.8%Reduced
Baird Financial Group, Inc.45,972$2.24M0.01%+184+0.4%Added
New York Life Investment Management LLC46,402$2.26M0.03%+46,402New
Beck Capital Management, LLC46,570$2.27M1.02%−15,788−25.3%Reduced
D.A. Davidson & Co.46,939$2.29M0.03%+2,466+5.5%Added
IFM Investors Pty Ltd47,108$2.29M0.04%00.0%Unchanged
Disciplined Equity Management, Inc.47,165$2.30M2.08%+330+0.7%Added
AE Wealth Management LLC47,226$2.30M0.02%+2,961+6.7%Added
Xponance, Inc.47,376$2.31M0.05%+7,786+19.7%Added
Pacitti Group Inc.47,817$2.33M1.79%+1,776+3.9%Added
Teacher Retirement System of Texas48,227$2.35M0.02%−11,422−19.1%Reduced
DnB Asset Management AS48,432$2.36M0.02%+939+2.0%Added
Madden Securities Corp48,827$2.38M1.30%−8,372−14.6%Reduced
Skandinaviska Enskilda Banken AB (publ)49,282$2.40M0.02%+907+1.9%Added
Bramshill Investments, LLC49,333$2.40M0.29%+4,140+9.2%Added
CIBC World Markets Inc.49,698$2.42M0.01%+26,483+114.1%Added
Mercer Global Advisors Inc50,090$2.44M0.01%+8,044+19.1%Added
Shell Asset Management Co50,524$2.46M0.07%+1,545+3.2%Added
NEIRG Wealth Management, LLC50,826$2.48M0.54%+25,592+101.4%Added
Utah Retirement Systems51,014$2.48M0.04%00.0%Unchanged
Cinctive Capital Management LP51,743$2.52M0.12%+51,743New
Werlinich Asset Management, LLC52,840$2.57M2.41%00.0%Unchanged
Hourglass Capital, LLC53,250$2.59M0.92%+1,450+2.8%Added
The PNC Financial Services Group, Inc.53,887$2.62M0.00%+1,924+3.7%Added
Russell Investments Group, Ltd.54,187$2.63M0.01%−2,603−4.6%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd54,247$2.64M0.06%+3,995+7.9%Added
State of Tennessee, Treasury Department54,235$2.64M0.01%+7,671+16.5%Added
Atria Wealth Solutions, Inc.54,035$2.66M0.05%−6,981−11.4%Reduced
Vert Asset Management LLC54,964$2.68M2.48%+2,552+4.9%Added
Pensionfund DSM Netherlands55,000$2.68M1.69%−24,500−30.8%Reduced
Yousif Capital Management, LLC55,272$2.69M0.04%−2,925−5.0%Reduced
HRT Financial LP55,271$2.69M0.03%+51,465+1,352.2%Added
Oregon Public Employees Retirement Fund55,397$2.70M0.04%−31,346−36.1%Reduced
Thrivent Financial for Lutherans56,050$2.73M0.01%+7,854+16.3%Added
Frontier Wealth Management LLC56,951$2.77M0.20%+56,951New
Bridgewater Associates, LP57,184$2.78M0.01%+8,360+17.1%Added
Peapack Gladstone Financial Corp59,550$2.90M0.07%−835−1.4%Reduced
G&S Capital LLC59,662$2.90M1.71%+1,523+2.6%Added
SG Americas Securities, LLC59,678$2.91M0.04%+51,478+627.8%Added
HNP Capital LLC60,404$2.94M0.81%−1,060−1.7%Reduced
Nissay Asset Management Corp60,717$2.96M0.03%+305+0.5%Added
MML Investors Services, LLC61,122$2.98M0.02%+2,493+4.3%Added
Franklin Resources Inc61,423$2.99M0.00%−6,116−9.1%Reduced
Vectors Research Management, LLC62,344$3.04M0.77%−1,389−2.2%Reduced
Nepsis, Inc.62,959$3.06M1.09%+5,052+8.7%Added
Catalyst Capital Advisors LLC63,350$3.08M0.13%−4,150−6.1%Reduced
Consolidated Planning Corp65,831$3.21M1.00%+65,831New
HighTower Advisors, LLC65,973$3.21M0.01%−1,056−1.6%Reduced
National Asset Management, Inc.66,597$3.24M0.14%−10,561−13.7%Reduced
Comerica Bank70,258$3.26M0.03%−685−1.0%Reduced
Oliver Luxxe Assets LLC67,254$3.27M0.97%+210.0%Added
Cetera Advisors LLC68,509$3.34M0.08%+1,975+3.0%Added
Ensign Peak Advisors, Inc68,726$3.35M0.01%−6,032−8.1%Reduced
Edgestream Partners, L.P.69,023$3.36M0.26%+46,800+210.6%Added
Schonfeld Strategic Advisors LLC69,057$3.36M0.04%+69,057New
Avantax Advisory Services, Inc.70,921$3.45M0.05%+4,046+6.1%Added
Truvestments Capital LLC73,271$3.57M2.09%+1,384+1.9%Added
American Trust Investment Advisors, LLC74,127$3.61M2.26%+180+0.2%Added
Salem Investment Counselors Inc75,228$3.71M0.17%+10,210+15.7%Added
ProShare Advisors LLC76,510$3.73M0.01%−23,259−23.3%Reduced
State of Michigan Retirement System78,446$3.82M0.03%−5,898−7.0%Reduced
Moors & Cabot, Inc.80,681$3.93M0.28%−4,784−5.6%Reduced
Arizona State Retirement System80,889$3.94M0.04%+291+0.4%Added
Cetera Advisor Networks LLC83,299$4.05M0.05%+3,110+3.9%Added
PFS Investments Inc.83,369$4.06M0.08%+7,066+9.3%Added
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
TD Private Client Wealth LLC84,366$4.11M0.20%−4,490−5.1%Reduced