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Disclosery

IRM IRON MTN INC DEL

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REIT (common), issuer CIK 1020569

1,023 managers (1,046 13F filers) reported a position in IRM shares at 2025-06-30, 248,849,175 shares in all. 109 filers opened a position and 62 filers sold out during the quarter.

Managers
1,023
13F filers
1,046
New
109
Added
392
Reduced
356
Sold out
62
Shares held by filers
248,849,175

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q2 2025

Filers in the available 13F reports with a share position at 2025-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Canada Post Corp Registered Pension Plan4,887$501K0.03%new13F-HRTimeline
Curi Capital, LLC4,853$500K0.01%+1,04013F-HRTimeline
AUGUSTINE ASSET MANAGEMENT INC4,847$497K0.13%-33113F-HRTimeline
West Wealth Group, LLC5,500$495K0.12%013F-HRTimeline
HANCOCK WHITNEY CORP4,828$495K0.01%-26113F-HRTimeline
ATLAS CAPITAL ADVISORS INC.4,825$495K0.06%-3,37413F-HRTimeline
DAVIS R M INC4,818$494K0.01%-60013F-HRTimeline
CTC Alternative Strategies, Ltd.4,795$492K0.43%new13F-HRTimeline
MGO ONE SEVEN LLC4,784$491K0.02%+1,94613F-HRTimeline
Cynosure Group, LLC4,699$482K0.05%+84613F-HRTimeline
High Net Worth Advisory Group LLC4,692$481K0.13%013F-HRTimeline
Putney Financial Group LLC4,645$476K0.48%-8613F-HR/ATimeline
Vestmark Advisory Solutions, Inc.4,644$476K0.01%new13F-HRTimeline
Catalyst Funds Management Pty Ltd4,643$476K0.13%+79513F-HRTimeline
Secure Asset Management, LLC4,641$476K0.09%new13F-HRTimeline
Hilltop Holdings Inc.in group Hilltop Holdings Inc.4,558$468K0.03%-20213F-HRTimelineGroup
Aspen Investment Management Inc4,535$465K0.2%+413F-HRTimeline
LANARK FINANCIAL, INC.4,534$465K0.04%-89313F-HRTimeline
Welch Group, LLC4,531$465K0.02%013F-HRTimeline
Jump Financial, LLCin group Jump Financial, LLC4,503$462K0.01%-296,83013F-HR/ATimelineGroup
Prospera Financial Services Inc4,492$461K0.01%-4413F-HRTimeline
Mechanics Bank Trust Department4,483$460K0.07%+1,05513F-HRTimeline
Teamwork Financial Advisors, LLC4,476$459K0.06%+1213F-HRTimeline
Advisors Capital Management, LLC4,427$454K0.01%-18513F-HRTimeline
QUEST INVESTMENT MANAGEMENT LLC4,414$453K0.05%new13F-HRTimeline
Atria Investments, Inc4,404$452K0.01%-56913F-HRTimeline
Armor Investment Advisors, LLC4,361$447K0.17%-2013F-HRTimeline
Ameliora Wealth Management Ltd.4,350$446K0.16%+1,00013F-HRTimeline
ARMSTRONG ADVISORY GROUP, INC4,335$445K0.03%013F-HRTimeline
PROFUND ADVISORS LLC4,332$444K0.02%+31113F-HRTimeline
Sculati Wealth Management, LLC4,320$443K0.17%013F-HRTimeline
GREAT VALLEY ADVISOR GROUP, INC.in group GREAT VALLEY ADVISOR GROUP, I…4,284$440K0.01%+95913F-HRTimelineGroup
WealthBridge Capital Management, LLC4,284$439K0.11%-4,06813F-HRTimeline
BCO Wealth Management LLC4,275$438K0.31%013F-HRTimeline
Freedom Investment Management, Inc.4,267$438K0.03%-56713F-HRTimeline
Beverly Hills Private Wealth, LLC4,265$437K0.08%-62213F-HRTimeline
NorthCoast Asset Management LLC4,259$437K<0.01%-25613F-HRTimeline
STEPHENS INC /AR/in group Stephens Investment Managemen…4,191$430K0.01%+313F-HRTimelineGroup
Prestige Wealth Management Group LLC4,172$428K0.09%-9113F-HR/ATimeline
PINNACLE ASSOCIATES LTD4,168$428K0.01%+7813F-HRTimeline
INTERNATIONAL ASSETS INVESTMENT MANAGEM…4,166$427K0.03%+37513F-HRTimeline
KAVAR CAPITAL PARTNERS GROUP, LLC4,150$426K0.06%013F-HRTimeline
L.M. KOHN & COMPANY4,147$425K0.11%-2513F-HRTimeline
Cornerstone Wealth Management, LLC4,119$423K0.03%-28813F-HRTimeline
FIL Ltdin group FIL Ltd4,111$422K<0.01%-3,62913F-HRTimelineGroup
Disciplined Equity Management, Inc.4,085$419K0.25%013F-HRTimeline
SFG Wealth Management, LLC.4,063$417K0.25%-25913F-HRTimeline
B. Riley Wealth Advisors, Inc.4,060$416K0.02%-6,93113F-HRTimeline
Cornerstone Wealth Group, LLC4,052$416K0.03%+14713F-HRTimeline
Sachetta, LLC4,048$415K0.16%+2613F-HRTimeline
Centiva Capital, LP4,031$413K0.03%-35,75113F-HRTimeline
Axis Wealth Partners, LLC4,025$413K0.27%+513F-HRTimeline
Accuvest Global Advisors4,000$410K0.27%-77613F-HRTimeline
Strategic Investment Advisors / MI4,008$407K0.04%-1,85213F-HRTimeline
Meeder Advisory Services, Inc.group of 2 filers holding3,958$406K+626Timeline
GTS SECURITIES LLC3,915$402K0.02%new13F-HRTimeline
Bogart Wealth, LLC3,907$401K0.02%013F-HRTimeline
IFP Advisors, Inc3,527$396K0.01%+72813F-HRTimeline
PARK NATIONAL CORP /OH/3,838$394K0.01%013F-HRTimeline
Cresset Asset Management, LLC3,804$393K<0.01%new13F-HR/ATimeline
Sigma Planning Corp3,829$393K0.01%-31113F-HRTimeline
Ledgewood Wealth Advisors, LLC3,806$390K0.25%013F-HRTimeline
NEXPOINT ASSET MANAGEMENT, L.P.in group NEXPOINT ASSET MANAGEMENT, L.…3,800$390K0.04%013F-HRTimelineGroup
Citizens Business Bank3,800$390K0.08%013F-HRTimeline
Crown Wealth Group, LLC3,778$388K0.15%-1913F-HRTimeline
SummitTX Capital, L.P.3,700$380K0.02%new13F-HRTimeline
RMR Wealth Builders3,650$377K0.03%013F-HRTimeline
Cetera Trust Company, N.A3,660$375K0.22%+3513F-HRTimeline
Severin Investments, LLC3,646$374K0.35%+1513F-HRTimeline
Prosperity Consulting Group, LLC3,645$374K0.03%new13F-HRTimeline
Fayez Sarofim & Coin group Fayez Sarofim & Co3,635$373K<0.01%-68413F-HRTimelineGroup
Strategic Blueprint, LLC3,623$372K0.02%+3113F-HRTimeline
Three Magnolias Financial Advisors, LLC3,600$369K0.26%013F-HRTimeline
GSA CAPITAL PARTNERS LLP3,548$364K0.03%new13F-HRTimeline
AIRE ADVISORS, LLC3,537$363K0.07%+3313F-HRTimeline
Palacios Wealth Management, LLC3,525$362K0.3%013F-HRTimeline
PANAGORA ASSET MANAGEMENT INC3,524$361K<0.01%-1,76513F-HRTimeline
PHILADELPHIA TRUST CO3,500$359K0.03%013F-HRTimeline
Long Road Investment Counsel, LLC3,500$359K0.13%013F-HRTimeline
Lokken Investment Group LLC3,479$357K0.14%013F-HRTimeline
NATURAL INVESTMENTS, LLC3,474$356K0.09%+2413F-HRTimeline
Coastal Bridge Advisors, LLC3,453$354K0.03%+29513F-HRTimeline
DIVERSIFIED TRUST CO3,452$354K0.01%new13F-HRTimeline
Wambolt & Associates, LLC3,509$351K0.12%-54113F-HRTimeline
Empirical Financial Services, LLC d.b.a…3,405$349K0.01%new13F-HRTimeline
Leonteq Securities AG3,400$349K0.02%-8,50613F-HRTimeline
Perigon Wealth Management, LLC3,400$349K0.01%-32813F-HRTimeline
Parallel Advisors, LLC3,397$348K0.01%-35513F-HRTimeline
RETIREMENT INCOME SOLUTIONS, INC3,350$344K0.06%013F-HRTimeline
Aprio Wealth Management, LLC3,350$344K0.04%new13F-HRTimeline
Southland Equity Partners LLC3,331$342K0.07%-6513F-HRTimeline
Dynamic Advisor Solutions LLC3,316$340K0.01%+24113F-HRTimeline
FOSTER & MOTLEY INC3,318$340K0.02%-5713F-HRTimeline
Richmond Investment Services, LLC3,299$338K0.07%new13F-HRTimeline
EVERGREEN CAPITAL MANAGEMENT LLC3,292$338K0.01%-2513F-HRTimeline
Capital Square, LLC3,427$336K0.18%+90513F-HRTimeline
Jacobi Capital Management LLC3,260$334K0.02%+11913F-HRTimeline
ADVISORS MANAGEMENT GROUP INC /ADV3,259$334K0.06%-5013F-HRTimeline
MISSION WEALTH MANAGEMENT, LP3,240$332K0.01%-20113F-HRTimeline
Sovereign Financial Group, Inc.3,222$330K0.07%+7713F-HRTimeline
Sowell Financial Services LLC3,218$330K0.01%-9613F-HRTimeline
Brooklyn Investment Group3,203$329K0.04%+24913F-HR/ATimeline
E&G Advisors, LLC3,200$328K0.09%-30013F-HRTimeline
Cooper Financial Group3,155$324K0.04%+11313F-HRTimeline
CWA Asset Management Group, LLC3,140$322K0.01%-50713F-HRTimeline
Relyea Zuckerberg Hanson LLC3,136$322K0.04%+20813F-HRTimeline
Keystone Wealth Services, LLC3,127$321K0.08%013F-HRTimeline
Fortitude Family Office, LLC3,118$320K0.11%-1,49113F-HRTimeline
SeaCrest Wealth Management, LLC3,112$319K0.03%-16913F-HRTimeline
American Investment Services, Inc.3,103$318K0.08%013F-HRTimeline
Fortis Capital Management LLC3,093$317K0.05%+413F-HRTimeline
Crestwood Advisors Group, LLC3,047$313K0.01%+17113F-HRTimeline
Clean Yield Group3,022$310K0.09%013F-HRTimeline
EntryPoint Capital, LLC3,007$308K0.15%-2,30413F-HRTimeline
Asset Planning,Inc3,000$308K0.23%013F-HRTimeline
Onyx Bridge Wealth Group LLC2,986$307K0.04%-53413F-HRTimeline
IMA Advisory Services, Inc.2,957$306K0.03%+313F-HRTimeline
TRUE Private Wealth Advisors2,976$305K0.03%+10713F-HRTimeline
INTEGRITY ALLIANCE, LLC.2,945$302K0.02%-3,61413F-HRTimeline
MBB PUBLIC MARKETS I LLC2,937$301K0.03%-66713F-HRTimeline
Charter Oak Capital Management, LLC2,931$301K0.03%013F-HRTimeline
LaSalle St. Investment Advisors, LLC2,929$300K0.08%013F-HRTimeline
Premier Path Wealth Partners, LLC2,887$296K0.04%+9713F-HRTimeline
CIGNA INVESTMENTS INC /NEWin group CIGNA INVESTMENTS INC /NEW2,889$296K0.05%-4713F-HRTimelineGroup
Perennial Investment Advisors, LLC2,865$294K0.03%+2913F-HRTimeline
CreativeOne Wealth, LLCin group CreativeOne Wealth, LLC2,833$291K0.01%-28613F-HRTimelineGroup
Beaumont Financial Advisors, LLC2,830$290K0.02%-38713F-HRTimeline
WHITTIER TRUST CO2,820$289K<0.01%-44513F-HRTimeline
Jordan Park Group LLC2,803$288K0.02%013F-HRTimeline
ICONIQ Capital, LLCin group ICONIQ Capital, LLC2,792$286K<0.01%new13F-HRTimelineGroup
Destination Wealth Management2,784$286K0.01%-86213F-HRTimeline
Wedmont Private Capital2,872$285K0.01%+5813F-HRTimeline
Carnegie Investment Counsel2,777$285K0.01%013F-HRTimeline
Seelaus Asset Management LLC2,775$285K0.25%013F-HRTimeline
NorthCrest Asset Manangement, LLC2,826$285K0.01%new13F-HRTimeline
STEVENS CAPITAL MANAGEMENT LP2,769$284K0.08%new13F-HRTimeline
DAYMARK WEALTH PARTNERS, LLC2,767$284K0.01%+13513F-HRTimeline
HOWLAND CAPITAL MANAGEMENT LLC2,727$281K0.01%013F-HRTimeline
SYON CAPITAL LLC2,736$281K0.02%new13F-HRTimeline
Jaffetilchin Investment Partners, LLC2,722$279K0.02%013F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd2,702$277K0.01%new13F-HRTimelineGroup
Savvy Advisors, Inc.2,701$277K0.02%+3313F-HRTimeline
Allen Mooney & Barnes Investment Adviso…2,700$277K0.05%+213F-HRTimeline
INVESTMENT HOUSE LLC2,700$277K0.01%013F-HRTimeline
Richard W. Paul & Associates, LLC2,700$277K0.1%-74213F-HRTimeline
Allen Investment Management, LLCin group ALLEN OPERATIONS LLC2,696$277K<0.01%013F-HRTimelineGroup
ASSETMARK, INCin group ASSETMARK, INC2,686$276K<0.01%+1,37113F-HRTimelineGroup
SAGESPRING WEALTH PARTNERS, LLC2,685$275K0.01%new13F-HRTimeline
Raleigh Capital Management Inc.2,681$275K0.12%-81013F-HRTimeline
Keystone Financial Group2,679$275K0.02%-50213F-HRTimeline
Aberdeen Wealth Management LLC2,645$271K0.18%013F-HRTimeline
Walker Asset Management, LLC2,625$269K0.16%+2613F-HRTimeline
CHANNEL WEALTH LLC2,621$269K0.08%+213F-HRTimeline
KEYBANK NATIONAL ASSOCIATION/OHin group KEYBANK NATIONAL ASSOCIATION/…2,615$268K<0.01%-17513F-HRTimelineGroup
Retireful, LLC2,602$267K0.18%new13F-HRTimeline
Advisory Alpha, LLC2,550$262K0.01%new13F-HRTimeline
Samalin Investment Counsel, LLC2,548$261K0.1%+2213F-HRTimeline
Centerpoint Advisory Group2,535$260K0.23%013F-HRTimeline
Segment Wealth Management, LLC2,534$260K0.02%-4413F-HRTimeline
Seed Wealth Management, Inc.2,530$260K0.19%-9013F-HRTimeline
MATHER GROUP, LLC.2,526$259K<0.01%+5913F-HRTimeline
Compound Planning, Inc.2,517$258K0.01%new13F-HRTimeline
IRON Financial LLC2,517$258K0.14%+3413F-HRTimeline
PATTON FUND MANAGEMENT, INC.2,510$257K0.06%new13F-HRTimeline
NWAM LLC2,578$257K0.01%new13F-HR/ATimeline
Duncan Williams Asset Management, LLC2,504$257K0.08%+2213F-HR/ATimeline
Larson Financial Group LLC2,449$251K0.01%+79013F-HRTimeline
HBK Sorce Advisory LLC2,419$248K0.01%new13F-HRTimeline
Maven Securities LTDin group Maven Securities LTD2,406$247K0.06%new13F-HRTimelineGroup
PRIVATE TRUST CO NA2,405$247K0.02%+10013F-HRTimeline
Geneos Wealth Management Inc.2,399$246K0.01%+30713F-HRTimeline
Fielder Capital Group LLC2,390$245K0.07%-1913F-HRTimeline
SCHMIDT P J INVESTMENT MANAGEMENT INC2,360$242K0.04%013F-HRTimeline
Brookwood Investment Group LLC2,358$242K0.04%-24413F-HRTimeline
Waldron Private Wealth LLC2,338$242K0.01%013F-HRTimeline
Bedel Financial Consulting, Inc.2,352$241K0.03%013F-HRTimeline
Ausdal Financial Partners, Inc.2,352$241K0.02%-9413F-HRTimeline
WEALTH ALLIANCE, LLC2,328$239K0.03%new13F-HRTimeline
PERSONAL CFO SOLUTIONS, LLC2,326$239K0.04%new13F-HRTimeline
UMB Bank, n.a.2,316$238K<0.01%-21413F-HR/ATimeline
Intrua Financial, LLC2,309$237K0.03%-65413F-HRTimeline
Mayflower Financial Advisors, LLC2,290$235K0.03%new13F-HRTimeline
COMMERZBANK AKTIENGESELLSCHAFT /FI2,280$234K0.01%new13F-HRTimeline
SMITH, MOORE & CO.2,271$233K0.02%new13F-HRTimeline
Mystic Asset Management, Inc.2,231$229K0.06%new13F-HRTimeline
Richard P Slaughter Associates Inc2,229$229K0.05%-31513F-HRTimeline
Heritage Wealth Advisors2,222$228K0.01%013F-HRTimeline
Community Bank & Trust, Waco, Texas2,200$226K0.05%new13F-HRTimeline
COOKSON PEIRCE & CO INC2,162$222K0.01%-75713F-HRTimeline
Cullen/Frost Bankers, Inc.in group Cullen/Frost Bankers, Inc.2,158$221K<0.01%+15813F-HRTimelineGroup
NATIONS FINANCIAL GROUP INC, /IA/ /ADV2,157$221K0.02%-2,85713F-HRTimeline
Saxony Capital Management, LLC2,136$219K0.17%new13F-HRTimeline
Stiles Financial Services Inc2,127$218K0.08%new13F-HRTimeline
Warm Springs Advisors Inc.2,117$217K0.19%-78313F-HRTimeline
Avidian Wealth Enterprises, LLC2,108$216K0.01%new13F-HRTimeline
Balboa Wealth Partners2,106$216K0.04%new13F-HRTimeline
Valeo Financial Advisors, LLC2,088$214K0.01%new13F-HR/ATimeline
Texas Bank & Trust Co2,054$211K0.08%new13F-HRTimeline
MOSAIC FAMILY WEALTH PARTNERS, LLC2,040$209K0.03%-67313F-HRTimeline
Ignite Planners, LLC2,098$209K0.04%new13F-HR/ATimeline