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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
Sunbelt Securities, Inc.5,550$244.0K0.05%+5,550New
Centaurus Financial, Inc.5,620$247.0K0.02%+230+4.3%Added
Koshinski Asset Management, Inc.5,618$247.0K0.03%+810+16.8%Added
B. Metzler seel. Sohn & Co. AG5,651$248.0K0.00%00.0%Unchanged
Bessemer Group Inc5,721$251.0K0.00%−1,789−23.8%Reduced
Profund Advisors LLC5,725$252.0K0.02%−749−11.6%Reduced
Independent Solutions Wealth Management, LLC5,745$252.6K0.08%+5,745New
Flagship Harbor Advisors, LLC5,745$253.0K0.03%+116+2.1%Added
Moreno Evelyn V5,776$254.0K0.11%+1,176+25.6%Added
American Portfolios Advisors5,822$256.0K0.01%−414−6.6%Reduced
High Net Worth Advisory Group LLC5,901$259.0K0.11%00.0%Unchanged
Diversified Trust Co5,945$261.0K0.01%−4,734−44.3%Reduced
Verdence Capital Advisors LLC5,926$261.0K0.04%+13+0.2%Added
Allen Mooney & Barnes Investment Advisors LLC5,973$262.6K0.07%+10+0.2%Added
Kayne Anderson Capital Advisors LP6,000$264.0K0.01%00.0%Unchanged
GM Advisory Group, Inc.6,051$266.0K0.03%−54−0.9%Reduced
Principle Wealth Partners LLC6,050$266.0K0.03%00.0%Unchanged
Private Portfolio Partners LLC6,065$266.7K0.08%+361+6.3%Added
One Charles Private Wealth Services, LLC6,085$268.0K0.18%−328−5.1%Reduced
MQS Management LLC6,117$269.0K0.17%+6,117New
Hennion & Walsh Asset Management, Inc.6,203$273.0K0.02%+6,203New
Atalanta Sosnoff Capital, LLC6,228$274.0K0.01%+55+0.9%Added
XTX Topco Ltd6,318$278.0K0.07%+6,318New
O'Shaughnessy Asset Management, LLC6,344$279.0K0.01%+1,917+43.3%Added
Oppenheimer & Co Inc6,351$280.0K0.01%−9,164−59.1%Reduced
Global Retirement Partners, LLC5,590$280.0K0.02%−1,191−17.6%Reduced
Glenmede Trust Co NA6,382$280.0K0.00%+847+15.3%Added
Southland Equity Partners LLC6,369$280.1K0.14%+215+3.5%Added
Hudson Valley Investment Advisors Inc6,400$281.0K0.05%00.0%Unchanged
Griffin Asset Management, Inc.6,447$283.0K0.05%+62+1.0%Added
Accuvest Global Advisors6,473$285.0K0.19%00.0%Unchanged
Banque Pictet & Cie SA6,500$285.8K0.00%00.0%Unchanged
Pictet North America Advisors SA6,500$285.8K0.05%00.0%Unchanged
E&G Advisors, LP6,500$286.0K0.11%00.0%Unchanged
Wakefield Asset Management LLLP6,560$288.0K0.13%−578−8.1%Reduced
Mission Creek Capital Partners, Inc.6,569$289.0K0.11%−45−0.7%Reduced
J.W. Cole Advisors, Inc.6,625$291.0K0.02%+117+1.8%Added
Newbridge Financial Services Group, Inc.6,629$291.0K0.17%+5,168+353.7%Added
Greenleaf Trust6,714$295.0K0.00%+185+2.8%Added
TD Waterhouse Canada Inc.6,496$297.5K0.00%+622+10.6%Added
Ullmann Financial Group, Inc.6,813$300.0K0.08%+147+2.2%Added
Vestcor Inc6,844$301.0K0.01%−30,174−81.5%Reduced
Brown Advisory Inc6,832$301.0K0.00%+315+4.8%Added
Integrated Advisors Network LLC6,919$304.0K0.02%+1,081+18.5%Added
TD Ameritrade Investment Management, LLC6,933$305.0K0.00%−1,671−19.4%Reduced
Banco Bilbao Vizcaya Argentaria, S.A.6,929$305.0K0.00%−105−1.5%Reduced
Investors Research Corp6,954$306.0K0.09%00.0%Unchanged
SeaCrest Wealth Management, LLC7,007$308.0K0.05%−749−9.7%Reduced
Gerber Kawasaki Wealth & Investment Management7,031$309.0K0.03%00.0%Unchanged
IHT Wealth Management, LLC7,031$309.0K0.02%+2,914+70.8%Added
Veritable, L.P.7,106$312.0K0.01%+410+6.1%Added
All Season Financial Advisors, Inc.7,218$317.0K0.34%+289+4.2%Added
Augustine Asset Management Inc7,256$319.0K0.21%−122−1.7%Reduced
TBH Global Asset Management, LLC7,254$319.0K0.08%+12+0.2%Added
Naviter Wealth, LLC7,153$319.0K0.13%+7,153New
Scotia Capital Inc.7,490$329.0K0.00%−5,616−42.9%Reduced
Ieq Capital, LLC7,487$329.0K0.01%+1,182+18.7%Added
Raymond James Trust N.A.7,529$331.0K0.01%−57−0.8%Reduced
Sheets Smith Wealth Management7,580$333.0K0.06%00.0%Unchanged
M Holdings Securities, Inc.7,822$344.0K0.04%−85−1.1%Reduced
Vestmark Advisory Solutions, Inc.7,936$349.0K0.02%+328+4.3%Added
Black Swift Group, LLC7,975$350.0K0.17%00.0%Unchanged
Thompson Davis & Co., Inc.8,000$352.0K0.48%00.0%Unchanged
SFG Wealth Management, LLC.8,052$354.0K0.48%+30.0%Added
Teamwork Financial Advisors, LLC8,090$356.0K0.08%+1,544+23.6%Added
Clear Street Markets LLC8,200$361.0K0.07%+5,492+202.8%Added
Gsa Capital Partners LLP8,240$362.0K0.05%+8,240New
Atwood & Palmer Inc8,250$363.0K0.04%00.0%Unchanged
Dowling & Yahnke LLC8,321$366.0K0.02%−981−10.5%Reduced
WealthBridge Capital Management, LLC7,556$368.0K0.16%00.0%Unchanged
Prudential PLC8,390$369.0K0.01%+646+8.3%Added
H&H Retirement Design & Management INC8,425$372.0K0.35%+101+1.2%Added
Csenge Advisory Group8,529$375.0K0.03%−13−0.2%Reduced
Fiduciary Group LLC7,250$381.0K0.05%00.0%Unchanged
Estabrook Capital Management8,716$383.2K0.07%00.0%Unchanged
Aspire Private Capital, LLC8,889$391.0K0.15%+376+4.4%Added
Federation des caisses Desjardins du Quebec8,929$392.6K0.00%−200−2.2%Reduced
Verus Capital Partners, LLC8,967$394.0K0.07%+5,206+138.4%Added
Atlas Capital Advisors LLC9,133$401.6K0.07%+38+0.4%Added
Herold Advisors, Inc.9,150$402.0K0.20%00.0%Unchanged
Morse Asset Management, Inc9,250$407.0K0.15%+100+1.1%Added
Penserra Capital Management LLC9,270$407.0K0.01%+796+9.4%Added
Merit Financial Group, LLC9,304$409.0K0.02%−308−3.2%Reduced
Heartland Bank & Trust Co9,334$410.0K0.39%−146−1.5%Reduced
Brookfield Asset Management Inc.9,512$418.0K0.00%+9,512New
Colonial River Wealth Management, LLC9,526$419.0K0.29%−534−5.3%Reduced
Wedbush Securities Inc9,588$422.0K0.02%+74+0.8%Added
Founders Financial Alliance, LLC9,720$427.0K0.22%+9,720New
Steward Partners Investment Advisory, LLC9,782$430.0K0.01%+1,445+17.3%Added
Atlantic Union Bankshares Corp9,794$431.0K0.05%−146−1.5%Reduced
Dai-Ichi Life Insurance Company, Ltd9,805$431.0K0.01%00.0%Unchanged
Park Avenue Securities LLC9,865$434.0K0.01%−581−5.6%Reduced
Lazard Asset Management LLC9,923$436.0K0.00%−121−1.2%Reduced
Wealthcare Advisory Partners LLC9,929$437.0K0.02%−343−3.3%Reduced
FDx Advisors, Inc.9,971$438.0K0.02%−333−3.2%Reduced
Rational Advisors LLC9,966$438.0K0.03%+9,966New
Demars Financial Group, LLC10,005$440.0K0.26%−100−1.0%Reduced
PEAK6 Investments LLC10,010$440.0K0.02%+4,155+71.0%Added
Montag A & Associates Inc9,894$441.0K0.03%−149−1.5%Reduced
Plimoth Trust Co LLC10,078$443.0K0.15%00.0%Unchanged