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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.

Q2 2023 vs. Q1 2023

How the institutions holding Iron Mountain Inc changed between Q1 2023 and Q2 2023.

All holders in Q2 2023All holders in Q1 2023

13F holders of IRM: Q1 2023 compared with Q2 2023
MeasureQ1 2023Of which not filed for Q2 2023Q2 2023Change
Holders7908817+35
Shares225.9M462.8K227.1M+1.66M (+0.7%)
Value$12.0B$24.5M$12.9B+$954.9M (+8.0%)

8 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (86)

Institutions that held Iron Mountain Inc at the end of Q2 2023 but not at the end of Q1 2023.

Institutions new to IRM in Q2 2023
InstitutionSharesValue% of portfolio
Uniplan Investment Counsel, Inc.226,364$12.9M0.93%
Churchill Management Corp201,000$11.4M0.19%
UniSuper Management Pty Ltd155,970$8.86M0.10%
HRT Financial LP105,141$5.97M0.06%
Voloridge Investment Management, LLC71,615$4.07M0.02%
Twinbeech Capital LP69,610$3.96M0.08%
Ergoteles LLC59,915$3.40M0.16%
Natixis57,577$3.27M0.03%
Courier Capital LLC53,396$3.03M0.24%
Mirabella Financial Services LLP45,673$2.60M0.30%
CoreCap Advisors, LLC34,390$1.95M0.14%
HGI Capital Management, LLC34,190$1.94M0.93%
Delphi Management Inc23,810$1.35M1.43%
Ellsworth Advisors, LLC22,344$1.27M0.44%
Fox Run Management, L.L.C.20,924$1.19M0.33%
Tyler-Stone Wealth Management17,225$979.0K0.55%
Paloma Partners Management Co14,131$802.9K0.19%
Engineers Gate Manager LP13,633$774.6K0.03%
Boothbay Fund Management, LLC12,598$715.8K0.02%
Savant Capital, LLC12,370$702.9K0.01%
Gsa Capital Partners LLP10,838$616.0K0.06%
Parallax Volatility Advisers, L.P.10,336$587.3K0.02%
Mathes Company, Inc.9,950$565.0K0.25%
Badgley Phelps Wealth Managers, LLC9,825$558.3K0.02%
1620 Investment Advisors, Inc.16,093$553.6K0.63%
Brevan Howard Capital Management LP9,225$524.2K0.10%
TCG Advisory Services, LLC8,316$472.5K0.08%
Kapitalo Investimentos Ltda7,930$450.6K0.08%
Great Lakes Advisors, LLC7,478$424.9K0.00%
DCM Advisors, LLC6,586$374.2K0.16%
Kapstone Financial Advisors LLC5,788$357.6K0.30%
PEAK6 Investments LLC5,855$332.7K0.03%
Golden State Equity Partners5,852$332.5K0.09%
Laurion Capital Management LP5,800$329.6K0.01%
CTC Alternative Strategies, Ltd.5,700$323.9K0.40%
BancorpSouth Bank5,318$302.2K0.03%
iA Global Asset Management Inc.5,312$302.0K0.01%
Diversified Trust Co5,210$296.0K0.01%
Cambria Investment Management, L.P.5,111$290.4K0.02%
Pinebridge Investments, L.P.4,996$283.9K0.00%
Dynamic Technology Lab Private Ltd4,837$275.0K0.03%
Weiss Asset Management LP4,702$267.2K0.03%
Machina Capital S.A.S.4,605$261.7K0.15%
Dark Forest Capital Management LP4,597$261.2K0.03%
Commerzbank Aktiengesellschaft4,500$256.0K0.01%
Versor Investments LP4,441$252.3K0.04%
Stephens Inc4,353$247.4K0.00%
Cornerstone Wealth Management, LLC4,345$246.9K0.02%
Tudor Investment Corp Et Al4,008$227.7K0.00%
Fund Management at Engine No. 1 LLC3,796$215.7K0.04%
Moneta Group Investment Advisors LLC3,757$213.5K0.00%
Aire Advisors, LLC3,752$213.2K0.06%
Advisors Capital Management, LLC3,752$213.0K0.01%
Nations Financial Group Inc,3,739$212.4K0.02%
Change Path, LLC3,736$212.0K0.01%
Beaumont Financial Advisors, LLC3,703$210.4K0.02%
Panagora Asset Management Inc3,693$209.8K0.00%
Advisors Management Group Inc3,597$204.0K0.06%
Evergreen Capital Management LLC3,545$203.5K0.01%
Prime Capital Investment Advisors, LLC3,560$202.3K0.00%
Strategic Blueprint, LLC3,535$200.9K0.02%
MEAG MUNICH ERGO, Kapitalanlagegesellschaft mbH2,089$118.7K0.01%
Bank Julius Baer & Co. Ltd, Zurich1,963$112.0K0.00%
V-Square Quantitative Management LLC1,755$99.7K0.07%
Worth Asset Management, LLC1,145$65.1K0.05%
Loomis Sayles & Co L P1,101$63.0K0.00%
West Tower Group, LLC1,085$61.6K0.04%
Cubist Systematic Strategies, LLC1,000$56.8K0.00%
ORG Partners LLC656$37.5K0.01%
Prostatis Group LLC13,539$30.3K0.01%
Barrett & Company, Inc.500$28.4K0.02%
First Capital Advisors Group, LLC.438$24.9K0.01%
Fred Alger Management, LLC376$21.4K0.00%
Capital Analysts, LLC316$18.0K0.00%
Sturgeon Ventures LLP185$10.7K0.01%
Safeguard Financial, LLC193$10.0K0.00%
Anchor Investment Management, LLC135$7.67K0.00%
Oakworth Capital, Inc.133$7.56K0.00%
Quarry LP79$4.49K0.00%
Caldwell Sutter Capital, Inc.50$2.84K0.00%
Sofos Investments, Inc.57$3620.00%
Manchester Capital Management LLC6$3410.00%
Venturi Wealth Management, LLC5$2850.00%
Crewe Advisors LLC5$2850.00%
EverSource Wealth Advisors, LLC4$2270.00%
Bollard Group LLC5$00.00%

Sold out (51)

Institutions that held Iron Mountain Inc at the end of Q1 2023 and filed for Q2 2023 without it.

Institutions that sold out of IRM in Q2 2023
InstitutionShares, Q1 2023Value, Q1 2023
First Republic Investment Management, Inc.773,914$40.9M
Baker Ellis Asset Management LLC77,305$4.09M
Employees Provident Fund Board53,000$2.80M
Caption Management, LLC37,688$1.99M
Vident Investment Advisory, LLC28,858$1.53M
Quantbot Technologies LP26,111$1.38M
TrimTabs Asset Management, LLC21,953$1.16M
Lavaca Capital LLC19,230$1.05M
Cresset Asset Management, LLC16,001$855.4K
Y-Intercept (Hong Kong) Ltd15,697$830.5K
DoubleLine ETF Adviser LP14,641$774.7K
Pearl River Capital, LLC12,705$672.2K
Delta Capital Management LLC11,510$609.0K
Strategic Investment Advisors11,278$596.7K
Atlantic Private Wealth, LLC10,852$574.2K
Drive Wealth Management, LLC10,657$570.6K
Cardinal Point Capital Management, ULC9,500$508.5K
M Holdings Securities, Inc.7,750$410.0K
LMR Partners LLP7,336$388.1K
Steel Peak Wealth Management LLC6,623$354.5K
Stevens Capital Management LP5,934$314.0K
Two Sigma Investments, LP5,824$308.1K
Industrial Alliance Investment Management Inc.5,643$299.0K
Advisor Resource Council4,659$249.2K
Flputnam Investment Management Co4,502$238.2K
Bradley Foster & Sargent Inc4,501$238.1K
Ellevest, Inc.4,239$224.3K
Guild Investment Management, Inc.4,236$224.1K
Perigon Wealth Management, LLC4,227$223.6K
Marco Investment Management LLC3,978$210.5K
Riverwater Partners LLC3,960$209.5K
Holocene Advisors, LP3,945$208.7K
ING Groep NV3,801$201.1K
Slow Capital, Inc.3,323$177.8K
Ameritas Advisory Services, LLC2,144$115.7K
Orion Capital Management LLC1,800$95.2K
Schubert & Co1,407$74.5K
TCI Wealth Advisors, Inc.945$50.0K
AIA Group Ltd937$49.6K
Kalos Management, Inc.684$36.2K
Savior LLC380$20.1K
Westside Investment Management, Inc.250$13.2K
Northwest Investment Counselors, LLC178$9.44K
Rain Capital Management, LLC152$8.04K
Motco113$5.98K
Capstone Investment Advisors, LLC110$5.82K
Cape Investment Advisory, Inc.100$5.29K
Core Alternative Capital25$1.32K
Resources Management Corp33$1.00K
Gradient Investments LLC10$529
Fortis Capital Advisors, LLC3$159

Not filed for Q2 2023 yet (8)

Institutions that held Iron Mountain Inc at the end of Q1 2023 and haven't filed a 13F for Q2 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IRM in Q1 2023 that haven't filed for Q2 2023
InstitutionShares, Q1 2023Value, Q1 2023
Avalon Investment & Advisory351,747$18.6M
HNP Capital LLC55,380$2.93M
Pathway Financial Advisers, LLC19,162$1.01M
Coppell Advisory Solutions Corp.17,128$887.1K
Ahrens Investment Partners LLC14,782$782.1K
Kula Investments, LLC4,465$236.2K
Householder Group Estate & Retirement Specialist, LLC138$7.00K
Baldrige Asset Management LLC9$0