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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 2024

Institutional positions in Iron Mountain Inc as of Jun 30, 2024. 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
967
+42 vs. Q1 2024
Shares held
248.0M
+11.4M (+4.8%) vs. Q1 2024
Total value
$22.2B
+$3.28B (+17.3%) vs. Q1 2024
New holders
105
327 more added
Sold out
63
374 more reduced

13 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2024: 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 2024: 967 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 2024: $22.2B
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 2024

Shares, value and share of portfolio for each institution holding Iron Mountain Inc; share changes are against Q1 2024.

Institutions holding IRM in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Essex Savings Bank5,914$530.0K0.14%−376−6.0%Reduced
Brinker Capital Investments, LLC5,942$532.6K0.01%−539−8.3%Reduced
Orion Portfolio Solutions, LLC5,942$532.6K0.01%−539−8.3%Reduced
Zimmermann Investment Management & Planning LLC6,000$537.7K0.18%−308−4.9%Reduced
OneAscent Financial Services LLC6,016$542.0K0.08%+2,079+52.8%Added
Bessemer Group Inc6,154$551.0K0.00%−307−4.8%Reduced
Hilltop Holdings Inc.6,162$552.2K0.06%−20−0.3%Reduced
Estabrook Capital Management6,237$559.0K0.09%00.0%Unchanged
Flagship Harbor Advisors, LLC6,283$563.1K0.03%−12−0.2%Reduced
Gerber Kawasaki Wealth & Investment Management6,394$573.0K0.03%+52+0.8%Added
Sheets Smith Wealth Management6,460$578.9K0.07%00.0%Unchanged
Kingsview Wealth Management, LLC6,467$579.6K0.01%−112−1.7%Reduced
Ellevest, Inc.6,477$580.5K0.03%+561+9.5%Added
Natixis6,546$586.7K0.00%+6,063+1,255.3%Added
Raymond James Trust N.A.6,569$588.7K0.01%−868−11.7%Reduced
Coldstream Capital Management Inc6,608$592.2K0.01%+176+2.7%Added
Quadcap Wealth Management, LLC6,615$592.8K0.11%+10+0.2%Added
HB Wealth Management, LLC6,635$594.6K0.01%+471+7.6%Added
DCM Advisors, LLC6,696$600.1K0.32%+16+0.2%Added
Centaurus Financial, Inc.6,711$601.0K0.04%−21−0.3%Reduced
V-Square Quantitative Management LLC6,768$606.5K0.10%−1,033−13.2%Reduced
Glenmede Trust Co NA6,806$610.0K0.00%−37−0.5%Reduced
XTX Topco Ltd6,809$610.2K0.05%−8,134−54.4%Reduced
EWG Elevate Inc.6,865$615.2K0.22%−67,867−90.8%Reduced
J.W. Cole Advisors, Inc.6,976$625.2K0.03%+126+1.8%Added
Washington Trust Co7,011$628.3K0.02%+250+3.7%Added
SeaCrest Wealth Management, LLC7,100$636.3K0.07%−164−2.3%Reduced
Ibex Wealth Advisors7,111$637.3K0.10%+7,111New
Diversify Advisory Services, LLC6,851$638.0K0.03%+10+0.1%Added
Greenleaf Trust7,156$641.3K0.01%−10.0%Reduced
Fiduciary Group LLC7,250$649.7K0.07%00.0%Unchanged
Atlas Capital Advisors LLC7,275$652.0K0.08%−1,251−14.7%Reduced
Madden Securities Corp7,375$660.9K0.29%−575−7.2%Reduced
Coastal Investment Advisors, Inc.7,426$665.6K0.13%−708−8.7%Reduced
NorthRock Partners, LLC7,397$667.6K0.03%−608−7.6%Reduced
Everence Capital Management Inc8,670$672.0K0.05%00.0%Unchanged
Badgley Phelps Wealth Managers, LLC7,451$672.2K0.02%−1,353−15.4%Reduced
Beverly Hills Private Wealth, LLC7,569$678.3K0.15%+176+2.4%Added
Belpointe Asset Management LLC7,632$684.0K0.05%−259−3.3%Reduced
CWM, LLC7,645$685.0K0.00%+1,593+26.3%Added
Entropy Technologies, LP7,696$689.7K0.07%+7,696New
D. E. Shaw & Co., Inc.7,808$699.8K0.00%−20,485−72.4%Reduced
TBH Global Asset Management, LLC7,831$701.8K0.16%+809+11.5%Added
Arete Wealth Advisors, LLC7,895$708.0K0.06%+7,895New
Sequoia Financial Advisors, LLC7,935$711.3K0.01%+862+12.2%Added
Squarepoint Ops LLC7,943$711.9K0.00%−97,581−92.5%Reduced
Outlook Wealth Advisors, LLC8,005$717.4K0.35%−121−1.5%Reduced
Veriti Management LLC8,033$720.0K0.04%+1,919+31.4%Added
Bailard, Inc.8,057$722.1K0.02%−1,097−12.0%Reduced
GM Advisory Group, Inc.8,069$723.1K0.05%+333+4.3%Added
Mathes Company, Inc.8,150$730.0K0.26%−1,800−18.1%Reduced
Integrated Advisors Network LLC8,160$731.3K0.04%+737+9.9%Added
Concurrent Investment Advisors, LLC8,171$732.3K0.02%+3,967+94.4%Added
Atwood & Palmer Inc8,250$739.4K0.06%00.0%Unchanged
Fiduciary Family Office, LLC8,335$747.0K0.29%−547−6.2%Reduced
Atlantic Union Bankshares Corp8,421$754.7K0.05%00.0%Unchanged
Equitable Holdings, Inc.8,505$762.2K0.01%−106−1.2%Reduced
Brown Brothers Harriman & Co8,529$764.4K0.01%−228−2.6%Reduced
Merit Financial Group, LLC8,613$771.9K0.02%−40−0.5%Reduced
Heartland Bank & Trust Co8,681$778.0K0.44%+68+0.8%Added
Eqis Capital Management, Inc.8,742$783.5K0.06%−1,712−16.4%Reduced
Wetherby Asset Management Inc8,743$783.5K0.04%−149−1.7%Reduced
Herold Advisors, Inc.8,755$784.6K0.18%+10.0%Added
FCG Investment Co8,837$792.0K0.60%+140+1.6%Added
Checchi Capital Advisers, LLC8,848$792.9K0.06%−249−2.7%Reduced
Qtron Investments LLC8,985$805.2K0.12%+942+11.7%Added
NewEdge Wealth, LLC8,993$805.9K0.02%−78−0.9%Reduced
Ullmann Financial Group, Inc.9,024$808.8K0.12%+59+0.7%Added
Lockheed Martin Investment Management Co9,120$817.3K0.05%−5,558−37.9%Reduced
Global Retirement Partners, LLC9,169$821.8K0.03%+822+9.8%Added
Aspire Private Capital, LLC9,241$828.2K0.21%−1,431−13.4%Reduced
Colonial River Wealth Management, LLC9,246$828.6K0.45%00.0%Unchanged
Ostrum Asset Management9,286$832.2K0.07%−18,238−66.3%Reduced
TD Waterhouse Canada Inc.9,263$833.7K0.01%+2,736+41.9%Added
Northwestern Mutual Investment Management Company, LLC9,328$836.0K0.02%+64+0.7%Added
Strait & Sound Wealth Management LLC9,393$841.8K0.43%−1,607−14.6%Reduced
Wambolt & Associates, LLC9,415$844.5K0.25%−1,680−15.1%Reduced
Kentucky Retirement Systems Insurance Trust Fund9,455$847.4K0.06%−181−1.9%Reduced
Founders Financial Alliance, LLC9,467$848.4K0.25%−44−0.5%Reduced
Beacon Investment Advisors LLC9,494$850.8K0.44%−203−2.1%Reduced
Csenge Advisory Group9,515$852.7K0.05%+114+1.2%Added
Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors9,525$853.7K0.14%−19−0.2%Reduced
IHT Wealth Management, LLC9,622$862.4K0.03%+346+3.7%Added
Monument Capital Management9,694$868.8K0.26%−119−1.2%Reduced
H&H Retirement Design & Management INC8,697$870.8K0.54%00.0%Unchanged
We Are One Seven, LLC9,763$874.9K0.04%+9,763New
Columbia Asset Management9,787$877.0K0.16%−2,777−22.1%Reduced
NEOS Investment Management LLC9,861$883.7K0.04%+2,988+43.5%Added
Verition Fund Management LLC9,877$885.2K0.01%+4,393+80.1%Added
Aquila Investment Management LLC10,000$896.2K0.84%00.0%Unchanged
Archer Investment Corp10,000$896.2K0.26%00.0%Unchanged
Omers Administration Corp10,119$906.9K0.01%+10,119New
Banco Bilbao Vizcaya Argentaria, S.A.10,267$919.9K0.01%−290−2.7%Reduced
Verus Capital Partners, LLC10,277$921.0K0.10%−594−5.5%Reduced
Plimoth Trust Co LLC10,328$925.6K0.25%−250−2.4%Reduced
Montag A & Associates Inc10,271$926.7K0.05%+700+7.3%Added
United Services Automobile Association10,354$927.9K0.02%−724−6.5%Reduced
Savant Capital, LLC10,365$928.9K0.01%−1,756−14.5%Reduced
Foundations Investment Advisors, LLC10,366$929.0K0.02%−232−2.2%Reduced
Lombard Odier Asset Management (Switzerland) SA10,370$929.4K0.09%−2,645−20.3%Reduced