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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.

Q3 2024 vs. Q2 2024

How the institutions holding Iron Mountain Inc changed between Q2 2024 and Q3 2024.

All holders in Q3 2024All holders in Q2 2024

13F holders of IRM: Q2 2024 compared with Q3 2024
MeasureQ2 2024Of which not filed for Q3 2024Q3 2024Change
Holders967111,056+100
Shares248.0M28.0M242.6M+22.7M (+10.3%)
Value$22.2B$2.51B$28.8B+$9.07B (+46.0%)

11 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (165)

Institutions that held Iron Mountain Inc at the end of Q3 2024 but not at the end of Q2 2024.

Showing the largest 100 of 165 by value.

Institutions new to IRM in Q3 2024
InstitutionSharesValue% of portfolio
BlackRock, Inc.31,309,637$3.72B0.08%
Twin Tree Management, LP274,438$32.6M0.76%
Point72 Asset Management, L.P.222,409$26.4M0.09%
Regions Financial Corp218,461$26.0M0.19%
Cbre Clarion Securities LLC209,492$24.9M0.40%
Lord, Abbett & Co. LLC203,000$24.1M0.08%
Bamco Inc159,114$18.9M0.05%
Employees Retirement System of Texas101,500$12.1M0.10%
Tudor Investment Corp Et Al100,000$11.9M0.13%
Oddo BHF Asset Management SAS85,888$10.2M0.51%
Citadel Advisors LLC65,870$7.83M0.01%
Man Group plc56,940$6.77M0.02%
Weiss Asset Management LP56,039$6.66M0.17%
Parallax Volatility Advisers, L.P.44,653$5.31M0.14%
Concentric Capital Strategies, LP40,960$4.87M0.31%
Shell Asset Management Co40,751$4.84M0.21%
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund38,484$4.57M0.05%
Laurion Capital Management LP36,680$4.36M0.28%
GSI Capital Advisors LLC35,225$4.19M2.10%
Chapin Davis, Inc.34,819$4.14M1.34%
CHB Investment Group, LLC29,421$3.50M1.85%
Centiva Capital, LP28,126$3.34M0.15%
B. Metzler seel. Sohn & Co. Holding AG23,047$2.74M0.03%
Benjamin Edwards Inc23,007$2.73M0.04%
Argent Financial Group, Inc.22,639$2.69M0.32%
DoubleLine ETF Adviser LP20,950$2.49M0.61%
Safe Harbor Fiduciary, LLC20,549$2.44M2.29%
Three Seasons Wealth, LLC16,924$2.02M1.06%
Cubist Systematic Strategies, LLC16,978$2.02M0.03%
Denali Advisors LLC14,505$1.72M0.19%
Segall Bryant & Hamill, LLC12,009$1.43M0.02%
Savoie Capital LLC11,545$1.37M0.17%
Banque Cantonale Vaudoise10,275$1.22M0.05%
Private Advisory Group LLC10,105$1.20M0.15%
Walleye Trading LLC9,152$1.09M0.03%
Virtus ETF Advisers LLC8,989$1.07M0.50%
Associated Banc-Corp8,863$1.05M0.03%
Axecap Investments, LLC8,634$1.03M0.78%
Wiley Bros.-Aintree Capital, LLC8,294$964.8K0.02%
Ontario Teachers Pension Plan Board7,873$935.5K0.01%
Sterling Capital Management LLC7,795$926.3K0.01%
Tokio Marine Asset Management Co Ltd7,573$899.9K0.04%
Mindset Wealth Management, LLC7,561$898.5K0.37%
Strategy Asset Managers LLC7,101$843.8K0.16%
Bryn Mawr Trust Co7,047$837.4K0.02%
Friedenthal Financial6,931$823.6K0.48%
Accuvest Global Advisors6,473$769.2K0.66%
Retireful, LLC5,891$700.0K0.52%
GTS Securities LLC5,886$699.4K0.01%
Caldwell Investment Management Ltd.5,900$688.4K0.48%
Catalyst Funds Management Pty Ltd5,648$671.2K0.15%
Gateway Advisory, LLC5,479$651.1K0.10%
ClearAlpha Technologies LP5,128$609.4K0.26%
Summit Trail Advisors, LLC4,777$571.0K0.01%
Yeomans Consulting Group, Inc.4,731$562.2K0.21%
Pensionmark Financial Group, LLC4,664$554.2K0.02%
Vontobel Holding Ltd.4,500$534.7K0.00%
Private Portfolio Partners LLC4,480$532.4K0.10%
Jackson Creek Investment Advisors LLC4,455$529.0K0.16%
Blake Schutter Theil Wealth Advisors, LLC4,322$513.6K0.37%
Abn Amro Investment Solutions3,901$463.6K0.01%
Capital Wealth Planning, LLC3,655$434.3K0.00%
Curbstone Financial Management Corp3,590$426.6K0.09%
Pure Financial Advisors, Inc.3,441$408.9K0.01%
Oak Thistle LLC3,421$406.5K0.13%
Stratos Wealth Partners, LTD.3,186$378.6K0.01%
Aristeia Capital LLC3,038$361.0K0.01%
Change Path, LLC3,010$357.7K0.01%
Jordan Park Group LLC2,803$333.1K0.02%
Dark Forest Capital Management LP2,780$330.3K0.04%
Duncan Williams Asset Management, LLC2,453$291.5K0.16%
Nwam LLC2,436$289.5K0.02%
StoneX Group Inc.2,333$277.9K0.02%
Dynamic Technology Lab Private Ltd2,278$271.0K0.03%
Pinkerton Retirement Specialists, LLC2,268$269.5K0.04%
Liberty Wealth Management LLC2,262$269.0K0.05%
Clark Capital Management Group, Inc.2,258$268.3K0.00%
Mystic Asset Management, Inc.2,225$264.5K0.10%
BSW Wealth Partners2,222$264.1K0.04%
Signal Advisors Wealth, LLC2,197$261.1K0.04%
Hunter Associates Investment Management LLC2,199$261.0K0.04%
Canandaigua National Bank & Trust Co2,150$255.5K0.02%
44 Wealth Management LLC2,028$254.6K0.09%
Stiles Financial Services Inc2,127$252.8K0.09%
New Century Financial Group, LLC2,122$252.2K0.09%
Clayton Financial Group LLC2,102$249.8K0.09%
Balboa Wealth Partners2,100$249.6K0.06%
Syon Capital LLC2,096$249.0K0.02%
HBK Sorce Advisory LLC2,091$248.4K0.01%
Mission Creek Capital Partners, Inc.2,083$247.5K0.06%
Morningstar Investment Services LLC2,095$245.0K0.00%
Mosaic Family Wealth Partners, LLC2,040$242.4K0.04%
Values First Advisors, Inc.2,035$241.8K0.13%
Capital Asset Advisory Services LLC2,032$241.5K0.01%
CWA Asset Management Group, LLC2,019$239.9K0.01%
Affinity Investment Advisors, LLC2,013$239.2K0.16%
Wesbanco Bank Inc1,984$235.8K0.01%
Samalin Investment Counsel, LLC1,980$235.2K0.10%
TPG Advisors LLC1,954$232.2K0.18%
Commerzbank Aktiengesellschaft1,951$232.0K0.01%

Sold out (65)

Institutions that held Iron Mountain Inc at the end of Q2 2024 and filed for Q3 2024 without it.

Institutions that sold out of IRM in Q3 2024
InstitutionShares, Q2 2024Value, Q2 2024
APG Asset Management N.V.37,044$3.10M
Obermeyer Wood Investment Counsel, LLLP24,069$2.16M
State Farm Mutual Automobile Insurance Co22,500$2.02M
MSH Capital Advisors LLC21,749$1.95M
Donoghue Forlines LLC18,855$1.69M
Fagan Associates, Inc.18,183$1.63M
AXA S.A.17,167$1.54M
Simplicity Wealth,LLC15,766$1.41M
Boston Private Wealth LLC15,139$1.36M
Kingswood Wealth Advisors, LLC13,299$1.19M
Engineers Gate Manager LP12,909$1.16M
M Holdings Securities, Inc.12,162$1.09M
Versor Investments LP11,100$994.8K
United Services Automobile Association10,354$927.9K
Verition Fund Management LLC9,877$885.2K
Lockheed Martin Investment Management Co9,120$817.3K
FCG Investment Co8,837$792.0K
D. E. Shaw & Co., Inc.7,808$699.8K
Coastal Investment Advisors, Inc.7,426$665.6K
Ibex Wealth Advisors7,111$637.3K
XTX Topco Ltd6,809$610.2K
OneAscent Financial Services LLC6,016$542.0K
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management5,609$502.7K
Inceptionr LLC5,449$488.3K
Hudson Valley Investment Advisors Inc7,145$486.2K
Scientech Research LLC5,162$462.6K
Consolidated Planning Corp4,663$417.9K
Wulff, Hansen & Co.4,520$405.1K
AlphaStar Capital Management, LLC4,472$400.8K
Griffin Asset Management, Inc.4,441$398.0K
Tradewinds, LLC.4,415$395.7K
Cynosure Management, LLC4,334$388.4K
Two Sigma Securities, LLC3,269$293.0K
Boston Financial Mangement LLC3,100$277.8K
Fox Run Management, L.L.C.3,072$275.3K
First Dallas Securities Inc.2,975$266.6K
Edmond de Rothschild Holding S.A.2,966$265.8K
Triasima Portfolio Management inc.2,750$246.5K
Pine Valley Investments Ltd Liability Co2,750$246.5K
Machina Capital S.A.S.2,714$243.2K
Maia Wealth LLC2,202$215.4K
Main Street Financial Solutions, LLC2,325$208.3K
Hodges Capital Management Inc.2,250$201.6K
Ninepoint Partners LP1,674$150.0K
Redwood Wealth Management Group, LLC1,245$111.6K
Pittenger & Anderson Inc1,125$100.8K
EdgeRock Capital LLC891$79.9K
Lynx Investment Advisory824$73.8K
Webster Bank, N. A.557$49.9K
Orion Capital Management LLC500$44.8K
Family Firm, Inc.499$44.7K
Old Point Trust & Financial Services N A250$22.4K
Opal Wealth Advisors, LLC236$21.2K
Great Lakes Retirement, Inc.162$14.6K
Gradient Investments LLC131$11.7K
Wetzel Investment Advisors, Inc.143$11.5K
RFP Financial Group LLC84$7.53K
Delos Wealth Advisors, LLC36$3.23K
Kelly Financial Services LLC36$3.23K
Triad Wealth Partners, LLC25$2.24K
Unique Wealth Strategies, LLC18$1.44K
VisionPoint Advisory Group, LLC10$896
Abich Financial Wealth Management LLC4$358
Chris Bulman Inc4$358
Kayne Anderson Rudnick Investment Management LLC2$179

Not filed for Q3 2024 yet (11)

Institutions that held Iron Mountain Inc at the end of Q2 2024 and haven't filed a 13F for Q3 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IRM in Q2 2024 that haven't filed for Q3 2024
InstitutionShares, Q2 2024Value, Q2 2024
BlackRock Inc.27,891,960$2.50B
Fjarde AP-fonden (The Fourth Swedish National Pensionfund)38,184$3.42M
Benjamin F. Edwards & Company, Inc.23,553$2.11M
Heritage Trust Co22,639$2.03M
Susquehanna Fundamental Investments, LLC19,131$1.71M
McKinley Capital Management LLC /Delaware15,348$1.38M
La Financiere de L'Echiquier14,685$1.32M
Girard Partners Ltd.2,389$214.1K
Private Ocean, LLC900$80.7K
Institutional & Family Asset Management, LLC273$24.5K
ICA Group Wealth Management, LLC135$12.1K