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Iron Mountain (IRM) Institutional Ownership

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$84.41 +0.97 (+1.16%)
Closing price 04/14/2025 03:59 PM Eastern
Extended Trading
$85.18 +0.77 (+0.91%)
As of 08:09 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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Institutional Ownership Changes (13F Filings) for Iron Mountain (NYSE:IRM)

Current
Institutional Ownership
Percentage
80.13%
Number of
Institutional Buyers
(last 12 months)
607
Total
Institutional Inflows
(last 12 months)
$3.94B
Number of
Institutional Sellers
(last 12 months)
506
Total
Institutional Outflows
(last 12 months)
$2.99B
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IRM Institutional Buying and Selling by Quarter

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Iron Mountain Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
4/15/2025 GAMMA Investing LLC3,972$342K0.0%-8.2%0.001%
4/14/2025Yousif Capital Management LLC48,982$4.21M0.0%-0.7%0.017%
4/14/2025Farther Finance Advisors LLC4,773$415K0.0%+4.0%0.002%
4/14/2025Daymark Wealth Partners LLC2,632$226K0.0%-6.5%0.001%
4/14/2025Courier Capital LLC31,609$2.72M0.2%+7.1%0.011%
4/14/2025Vert Asset Management LLC136,046$11.71M4.0%+5.2%0.046%
4/14/2025Outlook Wealth Advisors LLC7,281$626K0.2%-1.7%0.002%
4/14/2025Werlinich Asset Management LLC51,812$4.46M2.8%+0.2%0.018%
4/14/2025Capital Investment Advisors LLC24,202$2.08M0.0%-6.2%0.008%
4/14/2025Park Avenue Securities LLC13,405$1.15M0.0%-6.8%0.005%
4/14/2025Miracle Mile Advisors LLC7,545$649K0.0%+134.7%0.003%
4/14/2025Wedmont Private Capital2,814$235K0.0%-13.3%0.001%
4/14/2025UMB Bank n.a.2,530$218K0.0%-62.1%0.001%
4/11/2025 Cranbrook Wealth Management LLC300$26K0.0%N/A0.000%
4/11/2025 SeaCrest Wealth Management LLC3,281$282K0.0%-43.3%0.001%
4/10/2025 Chesley Taft & Associates LLC11,667$1.00M0.0%+2.8%0.004%
4/10/2025 Columbia Asset Management6,392$550K0.1%-29.7%0.002%
4/10/2025 Financial Management Professionals Inc.5,574$480K0.1%+2.6%0.002%
4/10/2025 Richard P Slaughter Associates Inc2,544$219K0.1%-71.2%0.001%
4/10/2025 Hennion & Walsh Asset Management Inc.57,462$4.94M0.2%-17.7%0.020%
4/10/2025 EWG Elevate Inc.5,722$492K0.2%-2.1%0.002%
4/9/2025 Sentry Investment Management LLC839$72K0.0%-23.0%0.000%
4/9/2025 RFG Advisory LLC18,183$1.56M0.0%+28.2%0.006%
4/9/2025 Merit Financial Group LLC15,278$1.32M0.0%+2.3%0.005%
4/9/2025 NBC Securities Inc.5,427$466K0.0%+108,440.0%0.002%
4/9/2025 Future Financial Wealth Managment LLC8,416$724K0.5%-16.0%0.003%
4/9/2025 Woodstock Corp53,428$4.60M0.5%-17.4%0.018%
4/9/2025 Czech National Bank67,467$5.81M0.1%+6.0%0.023%
4/9/2025 Mechanics Bank Trust Department3,428$295K0.0%N/A0.001%
4/8/2025 Rhumbline Advisers664,001$57.13M0.1%+4.2%0.226%
4/8/2025 Somerset Trust Co5,501$473K0.2%+17.4%0.002%
4/8/2025 Delphi Management Inc. MA15,155$1.30M1.3%+12.2%0.005%
4/8/2025 Rothschild Investment LLC640$55K0.0%-33.3%0.000%
4/7/2025 GAMMA Investing LLC341,751$29.40M0.0%+7,794.5%0.116%
4/3/2025 Franchise Capital Ltd455$39K0.0%N/A0.000%
4/1/2025 MassMutual Private Wealth & Trust FSB7,078$609K0.0%+2.0%0.002%
3/18/2025California State Teachers Retirement System434,493$45.67M0.1%-7.6%0.148%
3/17/2025Wealth Enhancement Advisory Services LLC51,874$5.45M0.0%+23.7%0.018%
3/14/2025Lansforsakringar Fondforvaltning AB publ 97,203$10.22M0.1%N/A0.033%
3/4/2025Comprehensive Money Management Services LLC14,263$1.50M1.2%N/A0.005%
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3/4/2025Siemens Fonds Invest GmbH2,767$291K0.0%-91.7%0.001%
2/28/2025Park Square Financial Group LLC2,991$314K0.2%N/A0.001%
2/28/2025Universal Beteiligungs und Servicegesellschaft mbH377,576$39.69M0.1%N/A0.129%
2/28/2025Employees Retirement System of Texas130,500$13.72M0.1%+28.6%0.044%
2/25/2025B. Riley Wealth Advisors Inc.10,640$1.13M0.0%-31.3%0.004%
2/25/2025Polar Asset Management Partners Inc.141,500$14.87M0.2%+227.5%0.048%
2/21/2025Putney Financial Group LLC4,924$518K0.4%N/A0.002%
2/19/2025Toronto Dominion Bank158,877$16.70M0.0%+8.8%0.054%
2/19/2025Warm Springs Advisors Inc.2,574$271K0.3%N/A0.001%
2/19/2025GF Fund Management CO. LTD.5,330$560K0.0%N/A0.002%
2/19/2025Public Employees Retirement System of Ohio102,163$10.74M0.0%-6.1%0.035%
2/18/2025Neo Ivy Capital Management771$81K0.0%N/A0.000%
2/18/2025Sunbelt Securities Inc.360$37K0.0%-58.3%0.000%
2/18/2025Inspire Trust Co. N.A.14,000$1.47M0.4%-12.5%0.005%
2/18/2025RB Capital Management LLC46,340$4.87M1.1%+0.3%0.016%
2/18/2025Pinkerton Retirement Specialists LLC7,165$753K0.1%+215.9%0.002%
2/17/2025UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC426,223$44.80M0.0%-86.6%0.145%
2/17/2025USS Investment Management Ltd59,702$6.28M0.0%-27.4%0.020%
2/17/2025Voloridge Investment Management LLC91,573$9.63M0.0%+111.7%0.031%
2/17/2025Waverly Advisors LLC31,192$3.28M0.1%-2.7%0.011%
2/17/2025Woodline Partners LP17,549$1.85M0.0%N/A0.006%
2/17/2025Vident Advisory LLC4,314$453K0.0%+12.9%0.001%
2/17/2025Twinbeech Capital LP9,094$956K0.0%N/A0.003%
2/17/2025Two Sigma Advisers LP7,700$809K0.0%N/A0.003%
2/17/2025Tidal Investments LLC14,931$1.57M0.0%-27.3%0.005%
2/17/2025Texas Bank & Trust Co2,334$245K0.1%N/A0.001%
2/17/2025Toronto Dominion Bank158,877$16.70M0.0%+8.8%0.054%
2/17/2025Safe Harbor Fiduciary LLC20,137$2.12M2.2%-2.0%0.007%
2/17/2025Snowden Capital Advisors LLC18,063$1.91M0.1%-72.1%0.006%
2/17/2025Siemens Fonds Invest GmbH2,767$291K0.0%-91.7%0.001%
2/17/2025Shell Asset Management Co.36,844$3.87M0.2%-9.6%0.013%
2/17/2025Rafferty Asset Management LLC38,608$4.06M0.0%-7.4%0.013%
2/17/2025Raiffeisen Bank International AG38,143$3.96M0.1%N/A0.013%
2/17/2025Point72 Asset Management L.P.1,200,660$126.20M0.3%+439.8%0.409%
2/17/2025Polar Asset Management Partners Inc.141,500$14.87M0.2%+227.5%0.048%
2/17/2025Prana Capital Management LP14,434$1.52M0.1%-82.7%0.005%
2/17/2025ProShare Advisors LLC53,429$5.62M0.0%+7.3%0.018%
2/17/2025Quantinno Capital Management LP21,135$2.22M0.0%+35.7%0.007%
2/17/2025Mufg Securities Americas Inc.4,333$455K0.1%N/A0.001%
2/17/2025Man Group plc220,738$23.20M0.1%+287.7%0.075%
2/17/2025Nia Impact Advisors LLC69,233$7.28M2.4%-0.7%0.024%
2/17/2025Nissay Asset Management Corp Japan ADV77,708$8.14M0.0%+2.2%0.026%
2/17/2025Nomura Holdings Inc.43,734$4.60M0.0%+88.6%0.015%
2/17/2025NorthRock Partners LLC4,967$522K0.0%+126.2%0.002%
2/17/2025Nuveen Asset Management LLC2,548,970$267.92M0.1%+39.0%0.869%
2/17/2025OMERS ADMINISTRATION Corp12,192$1.28M0.0%+20.5%0.004%
2/17/2025Morse Asset Management Inc27,510$2.89M0.7%-1.8%0.009%
2/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.28,618$3.01M0.0%+5.2%0.010%
2/17/2025LMR Partners LLP2,847$299K0.0%-26.7%0.001%
2/17/2025Laird Norton Wetherby Wealth Management LLC9,230$970K0.0%+3.2%0.003%
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2/17/2025Laurion Capital Management LP30,626$3.22M0.1%-16.5%0.010%
2/17/2025Investment Management Corp of Ontario30,944$3.25M0.1%-15.7%0.011%
2/17/2025Investor s Fiduciary Advisor Network LLC34,675$3.64M1.4%N/A0.012%
2/17/2025Janus Henderson Group PLC37,357$3.93M0.0%-42.7%0.013%
2/17/2025Gotham Asset Management LLC86,557$9.10M0.1%+6.3%0.029%
2/17/2025Focus Partners Wealth122,184$12.88M0.0%+269.7%0.042%
2/17/2025Ensign Peak Advisors Inc232,200$24.41M0.0%+3.5%0.079%
2/17/2025Ethic Inc.60,582$6.37M0.1%+26.9%0.021%
2/17/2025FORA Capital LLC48,826$5.13M0.6%N/A0.017%
2/17/2025Clark Capital Management Group Inc.2,776$292K0.0%+22.9%0.001%
(Data available from 1/1/2016 forward)

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IRM Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of IRM shares?

During the previous two years, 1,072 institutional investors and hedge funds held shares of Iron Mountain. The most heavily invested institutionals were Vanguard Group Inc. ($4.90B), State Street Corp ($1.98B), Cohen & Steers Inc. ($1.57B), BlackRock Inc. ($1.27B), Geode Capital Management LLC ($832.88M), Wealthfront Advisers LLC ($721.56M), and Northern Trust Corp ($454.76M).Learn more on IRM's institutional investors.

What percentage of Iron Mountain stock is owned by institutional investors?

80.13% of Iron Mountain stock is owned by institutional investors. Learn more on IRM's institutional investor holdings.

Which institutional investors have been buying Iron Mountain stock?

Of the 870 institutional investors that purchased Iron Mountain stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Cohen & Steers Inc. ($19.83M), Wealthfront Advisers LLC ($6.80M), Norges Bank ($6.58M), Daiwa Securities Group Inc. ($4.46M), UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC ($2.67M), Wellington Management Group LLP ($2.29M), and Bank Julius Baer & Co. Ltd Zurich ($1.97M).

How much institutional buying is happening at Iron Mountain?

Institutional investors have bought a total of 84,530,774 shares in the last 24 months. This purchase volume represents approximately $6.88B in transactions.

Which Iron Mountain major shareholders have been selling company stock?

Of the 647 institutional investors that sold Iron Mountain stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Capital World Investors ($20.14M), FMR LLC ($3.03M), Cohen & Steers Inc. ($2.82M), UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC ($2.74M), Pacer Advisors Inc. ($2.67M), Wellington Management Group LLP ($2.08M), and Epoch Investment Partners Inc. ($1.83M).

How much institutional selling is happening at Iron Mountain?

Institutional investors have sold a total of 62,634,840 shares in the last 24 months. This volume of shares sold represents approximately $5.18B in transactions.


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This page (NYSE:IRM) was last updated on 4/15/2025 by MarketBeat.com Staff
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