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Disclosery

IRM IRON MTN INC DEL

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REIT (common), issuer CIK 1020569

989 managers (1,014 13F filers) reported a position in IRM shares at 2025-12-31, 257,267,304 shares in all. 72 filers opened a position and 106 filers sold out during the quarter.

Managers
989
13F filers
1,014
New
72
Added
326
Reduced
408
Sold out
106
Shares held by filers
257,267,304

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, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, 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
Hilltop Holdings Inc.in group Hilltop Holdings Inc.4,281$355K0.02%-23713F-HRTimelineGroup
BCO Wealth Management LLC4,275$355K0.22%013F-HRTimeline
Ellevest, Inc.4,250$353K0.05%-1,58713F-HRTimeline
NorthCrest Asset Manangement, LLC4,205$352K0.01%+1,27613F-HRTimeline
HOWLAND CAPITAL MANAGEMENT LLC4,174$350K0.01%+1,44713F-HRTimeline
Fisher Asset Management, LLC4,216$350K<0.01%-38113F-HRTimeline
Outlook Wealth Advisors, LLC4,215$350K0.08%-2,90513F-HRTimeline
Wellington Grp LLC4,189$347K0.12%13F-HR/ATimeline
INTERNATIONAL ASSETS INVESTMENT MANAGEM…4,159$345K0.02%-5713F-HRTimeline
Hilton Head Capital Partners, LLC4,120$342K0.2%13F-HRTimeline
Cornerstone Wealth Management, LLC4,120$342K0.02%013F-HRTimeline
BDFS Capital LLC4,061$340K0.17%13F-HRTimeline
Alliance Wealth Advisors, LLC /UT4,086$339K0.07%-1013F-HRTimeline
Disciplined Equity Management, Inc.4,085$339K0.18%013F-HRTimeline
Putney Financial Group LLC4,079$338K0.32%-28013F-HRTimeline
SFG Wealth Management, LLC.4,063$337K0.13%013F-HRTimeline
Koshinski Asset Management, Inc.4,063$337K0.02%-1,04513F-HRTimeline
NATURAL INVESTMENTS, LLC4,053$336K0.08%+47213F-HRTimeline
PENSION & WEALTH MANAGEMENT ADVISORS, I…4,050$336K0.1%new13F-HRTimeline
Axis Wealth Partners, LLC4,031$334K0.18%-713F-HRTimeline
Signal Advisors Wealth, LLC4,023$334K0.03%-1,02413F-HRTimeline
Cornerstone Wealth Group, LLC4,014$333K0.02%-1913F-HRTimeline
Aptus Capital Advisors, LLC4,000$332K<0.01%+20013F-HRTimeline
Strategic Financial Concepts, LLC4,000$332K0.3%new13F-HRTimeline
Beverly Hills Private Wealth, LLC3,967$329K0.06%-18113F-HR/ATimeline
Bogart Wealth, LLC3,919$325K0.01%+713F-HRTimeline
CAPSTONE INVESTMENT ADVISORS, LLCin group CAPSTONE INVESTMENT ADVISORS,…3,901$324K<0.01%new13F-HRTimelineGroup
Capital Square, LLC3,868$321K0.16%+20413F-HRTimeline
STEPHENS INC /AR/in group Stephens Investment Managemen…3,845$319K<0.01%-34813F-HRTimelineGroup
PARK NATIONAL CORP /OH/3,838$318K0.01%013F-HRTimeline
Ledgewood Wealth Advisors, LLC3,806$316K0.18%013F-HRTimeline
Equitable Holdings, Inc.in group Equitable Holdings, Inc.3,801$315K<0.01%-2,70413F-HRTimelineGroup
Sculati Wealth Management, LLC3,795$315K0.11%-2513F-HRTimeline
Secure Asset Management, LLC3,773$313K0.05%-16513F-HRTimeline
Armor Investment Advisors, LLC3,773$313K0.12%-28813F-HRTimeline
Krilogy Financial LLC3,308$310K0.01%+99413F-HRTimeline
WealthCare Asset Management, LLC3,027$310K0.29%13F-HRTimeline
Pathway Financial Advisers, LLC3,648$303K0.09%-30613F-HRTimeline
Meeder Advisory Services, Inc.group of 2 filers holding3,634$301K-608Timeline
LANARK FINANCIAL, INC.3,626$301K0.02%-89313F-HRTimeline
Dakota Wealth Management3,620$300K0.01%new13F-HR/ATimeline
Sigma Planning Corp3,605$299K0.01%+19313F-HRTimeline
Three Magnolias Financial Advisors, LLC3,600$299K0.19%013F-HRTimeline
Ausdal Financial Partners, Inc.3,596$298K0.01%+18413F-HRTimeline
AIRE ADVISORS, LLC3,592$298K0.05%+2713F-HRTimeline
Cetera Trust Company, N.A3,585$297K0.16%-7513F-HRTimeline
Monument Capital Management3,545$294K0.07%-2,69413F-HRTimeline
PANAGORA ASSET MANAGEMENT INC3,524$292K<0.01%013F-HRTimeline
Wedmont Private Capital3,348$291K0.01%+19113F-HRTimeline
Long Road Investment Counsel, LLC3,500$290K0.11%013F-HRTimeline
PHILADELPHIA TRUST CO3,500$290K0.02%013F-HRTimeline
Penobscot Investment Management Company…3,490$289K0.02%-4,20013F-HRTimeline
Sivia Capital Partners, LLC3,451$286K0.06%new13F-HRTimeline
SAGESPRING WEALTH PARTNERS, LLC3,445$286K0.01%+80213F-HRTimeline
OFI INVEST ASSET MANAGEMENT3,444$286K<0.01%new13F-HRTimeline
Gaddis Premier Wealth Advisors LLC3,426$284K0.22%13F-HRTimeline
Vestmark Advisory Solutions, Inc.3,383$281K<0.01%+42713F-HRTimeline
Severin Investments, LLC3,377$280K0.25%-25813F-HRTimeline
RETIREMENT INCOME SOLUTIONS, INC3,350$278K0.05%013F-HRTimeline
Composition Wealth, LLC3,346$278K<0.01%-4,42513F-HRTimeline
Kovack Advisors, Inc.3,339$277K0.01%new13F-HR/ATimeline
Richmond Investment Services, LLC3,325$276K0.05%+513F-HRTimeline
DAVIS R M INC3,318$275K<0.01%-1,30013F-HRTimeline
Perigon Wealth Management, LLC3,297$273K<0.01%-5613F-HRTimeline
Destination Wealth Management3,282$272K0.01%+49813F-HRTimeline
FOSTER & MOTLEY INC3,283$272K0.01%013F-HRTimeline
Vise Technologies, Inc.3,270$271K0.01%new13F-HRTimeline
Symphony Financial, Ltd. Co.3,248$271K0.04%-3,28413F-HRTimeline
Coastal Bridge Advisors, LLC3,236$268K0.02%-7913F-HRTimeline
E&G Advisors, LLC3,200$265K0.06%013F-HRTimeline
Sovereign Financial Group, Inc.3,199$265K0.05%-1913F-HRTimeline
KAVAR CAPITAL PARTNERS GROUP, LLC3,150$263K0.04%-50013F-HRTimeline
Fortis Capital Management LLC3,137$260K0.03%+1913F-HRTimeline
Parallel Advisors, LLC3,130$260K<0.01%-26113F-HRTimeline
Keystone Wealth Services, LLC3,127$259K0.05%013F-HRTimeline
IFP Advisors, Inc3,121$259K0.01%+92113F-HRTimeline
GTS SECURITIES LLC3,119$259K0.01%+97013F-HRTimeline
Fortitude Family Office, LLC3,112$258K0.06%-613F-HRTimeline
American Investment Services, Inc.3,103$257K0.06%013F-HRTimeline
MATHER GROUP, LLC.3,101$257K<0.01%+61913F-HRTimeline
B. Riley Wealth Advisors, Inc.3,080$256K0.01%+13213F-HRTimeline
Crown Wealth Group, LLC3,061$254K0.07%-72813F-HRTimeline
FIDEURAM - INTESA SANPAOLO PRIVATE BANK…3,055$253K0.01%13F-HR/ATimeline
MONTAG A & ASSOCIATES INC3,019$253K0.01%-5,56913F-HRTimeline
Seelaus Asset Management LLC3,050$253K0.2%+15013F-HRTimeline
Marex Group Ltdin group Marex Group Ltd3,047$253K<0.01%new13F-HRTimelineGroup
ADVISORS MANAGEMENT GROUP INC /ADV3,037$252K0.05%013F-HRTimeline
Southland Equity Partners LLC3,018$250K0.05%-7813F-HRTimeline
Atria Investments, Inc3,006$249K<0.01%-51713F-HRTimeline
IMA Advisory Services, Inc.2,972$249K0.02%+1713F-HRTimeline
Clean Yield Group3,000$249K0.07%-2213F-HRTimeline
Asset Planning,Inc3,000$249K0.17%013F-HRTimeline
Perennial Investment Advisors, LLC2,988$248K0.02%+9313F-HRTimeline
James Hambro & Partners LLP2,972$246K0.01%013F-HRTimeline
CWA Asset Management Group, LLC2,970$246K0.01%-16813F-HRTimeline
Onyx Bridge Wealth Group LLC2,955$246K0.03%-9313F-HRTimeline
LECAP ASSET MANAGEMENT LTD2,950$245K0.1%new13F-HRTimeline
Jefferies Financial Group Inc.in group Jefferies Financial Group Inc.2,942$244K<0.01%+92513F-HRTimelineGroup
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC2,928$242K<0.01%-59,48813F-HRTimelineGroup
StoneX Group Inc.in group StoneX Group Inc.2,901$242K0.01%new13F-HRTimelineGroup
CIGNA INVESTMENTS INC /NEWin group CIGNA INVESTMENTS INC /NEW2,889$240K0.03%013F-HRTimelineGroup
Relyea Zuckerberg Hanson LLC2,891$240K0.02%-25113F-HRTimeline
Charter Oak Capital Management, LLC2,862$237K0.02%+613F-HRTimeline
BTC Capital Management, Inc.in group BTC Capital Management, Inc.2,861$237K0.02%013F-HRTimelineGroup
COMMERZBANK AKTIENGESELLSCHAFT /FI2,854$237K<0.01%+57413F-HRTimeline
Citizens Business Bank2,849$236K0.04%-1,09013F-HRTimeline
Beaumont Financial Advisors, LLC2,831$235K0.02%+913F-HRTimeline
Continuum Advisory, LLC2,830$235K0.02%+75313F-HRTimeline
Premier Path Wealth Partners, LLC2,814$233K0.03%-4413F-HRTimeline
TRUE Private Wealth Advisors2,813$233K0.02%-17413F-HRTimeline
Jordan Park Group LLC2,803$233K0.01%013F-HRTimeline
INVESTMENT HOUSE LLC2,800$232K0.01%+10013F-HRTimeline
Allen Mooney & Barnes Investment Adviso…2,799$232K0.03%+9713F-HRTimeline
Sound Income Strategies, LLC2,414$232K0.01%+1,30413F-HRTimeline
MISSION WEALTH MANAGEMENT, LP2,786$231K<0.01%-46913F-HRTimeline
SVB WEALTH LLC2,785$231K0.01%+5613F-HRTimeline
Duncan Williams Asset Management, LLC2,562$231K0.06%+4013F-HRTimeline
Palacios Wealth Management, LLC2,755$229K0.17%013F-HRTimeline
Diversified Enterprises, LLC2,747$228K0.01%new13F-HRTimeline
Sowell Financial Services LLC2,744$228K0.01%-30613F-HRTimeline
Savvy Advisors, Inc.2,743$228K0.01%-1813F-HRTimeline
Cooper Financial Group2,728$226K0.02%-47713F-HRTimeline
TCI Wealth Advisors, Inc.2,712$225K0.01%new13F-HRTimeline
DAYMARK WEALTH PARTNERS, LLC2,702$224K0.01%+413F-HRTimeline
Allen Investment Management, LLCin group ALLEN OPERATIONS LLC2,696$224K<0.01%013F-HRTimelineGroup
KEYBANK NATIONAL ASSOCIATION/OHin group KEYBANK NATIONAL ASSOCIATION/…2,695$224K<0.01%-27113F-HRTimelineGroup
Keystone Financial Group2,679$222K0.02%-1,00013F-HRTimeline
Walker Asset Management, LLC2,665$221K0.12%+2013F-HRTimeline
PATTON FUND MANAGEMENT, INC.2,663$221K0.03%+15313F-HRTimeline
Aberdeen Wealth Management LLC2,645$219K0.1%013F-HRTimeline
NWAM LLC2,481$219K0.01%-10713F-HRTimeline
Samalin Investment Counsel, LLC2,578$214K0.08%+1513F-HRTimeline
Csenge Advisory Group2,542$211K0.01%-10313F-HRTimeline
Centerpoint Advisory Group2,535$210K0.16%013F-HRTimeline
Segment Wealth Management, LLC2,534$210K0.01%013F-HRTimeline
PERSONAL CFO SOLUTIONS, LLC2,528$210K0.03%+7813F-HRTimeline
Bayforest Capital Ltd2,477$205K0.15%+1,24113F-HRTimeline
SPIREPOINT PRIVATE CLIENT, LLC2,455$204K0.02%+6813F-HRTimeline
Hutchens & Kramer Investment Management…2,449$203K0.07%+32213F-HRTimeline
SIMPLEX TRADING, LLC2,357$196K0.01%new13F-HRTimeline
Heritage Wealth Advisors2,222$184K0.01%013F-HRTimeline
BROWN BROTHERS HARRIMAN & COin group BROWN BROTHERS HARRIMAN & CO2,094$174K<0.01%+41413F-HRTimelineGroup
SJS Investment Consulting Inc.2,093$174K0.02%+5513F-HRTimeline
Smartleaf Asset Management LLC2,080$173K0.01%-2513F-HRTimeline
Cullen/Frost Bankers, Inc.in group Cullen/Frost Bankers, Inc.2,069$172K<0.01%-5613F-HRTimelineGroup
PRIVATE TRUST CO NA2,025$168K0.01%-29513F-HRTimeline
Financial Perspectives, Inc2,000$166K0.04%013F-HRTimeline
UMB Bank, n.a.1,970$163K<0.01%-49613F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Larson Financial Group LLC1,952$162K0.01%+42913F-HRTimeline
Strategic Investment Solutions, Inc. /IL1,923$160K0.04%013F-HRTimeline
Coastline Trust Co1,856$154K0.01%013F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
AlphaQuest LLC1,833$152K0.01%+54613F-HRTimeline
MONETARY MANAGEMENT GROUP INC1,800$149K0.03%013F-HRTimeline
WHITTIER TRUST CO1,741$148K<0.01%-15613F-HRTimeline
Clearstead Advisors, LLC1,767$147K<0.01%+12413F-HRTimeline
SHP Wealth Management1,750$145K0.01%13F-HRTimeline
SageView Advisory Group, LLC1,747$145K<0.01%new13F-HRTimeline
BLUE BELL PRIVATE WEALTH MANAGEMENT, LLC1,707$142K0.02%-18413F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…1,704$141K0.01%+40113F-HRTimelineGroup
NVWM, LLC1,699$141K0.03%013F-HRTimeline
Parkside Financial Bank & Trust1,690$140K0.01%+41513F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC1,348$137K<0.01%new13F-HRTimeline
Penserra Capital Management LLCin group Penserra Capital Management L…1,618$133K<0.01%-213F-HRTimelineGroup
TOWARZYSTWO FUNDUSZY INWESTYCYJNYCH PZU…1,580$131K0.03%013F-HRTimeline
FIRST FINANCIAL CORP /IN/1,500$124K0.05%013F-HRTimeline
Livforsakringsbolaget Skandia, Omsesidi…1,461$122K<0.01%013F-HRTimeline
FLAGSHIP HARBOR ADVISORS, LLC1,393$116K0.01%-6,55213F-HRTimeline
VISION FINANCIAL MARKETS LLC1,350$112K0.11%013F-HRTimeline
Versant Capital Management, Inc1,315$109K0.01%-1,11313F-HRTimeline
HARBOR CAPITAL ADVISORS, INC.1,297$108K0.01%+1,03513F-HRTimeline
Tower View Wealth Management LLC1,300$108K0.05%-38313F-HRTimeline
Silvant Capital Management LLC1,292$107K<0.01%013F-HRTimeline
Wealth Enhancement Trust Services, Inc.1,292$107K0.01%13F-HRTimeline
Basecamp Wealth Advisors LLC1,277$106K0.02%13F-HRTimeline
Security National Bank1,254$104K0.01%013F-HRTimeline
CENTRAL TRUST Co1,252$104K<0.01%-40013F-HRTimeline
HHM Wealth Advisors, LLC1,244$103K0.01%-10013F-HRTimeline
RICHARDSON FINANCIAL SERVICES INC.1,230$102K0.03%+17013F-HRTimeline
TOTH FINANCIAL ADVISORY CORP1,229$102K0.01%013F-HRTimeline
Root Financial Partners, LLC1,209$100K0.01%-1013F-HRTimeline
Deseret Mutual Benefit Administrators1,207$100K0.04%-7913F-HRTimeline
Avalon Trust Co1,200$99.5K0.01%-413F-HRTimeline
SITTNER & NELSON, LLC1,026$98.3K0.03%013F-HRTimeline
First Command Advisory Services, Inc.1,100$91.2K<0.01%013F-HRTimeline
Kozak & Associates, Inc.1,000$89.2K0.02%013F-HRTimeline
Copeland Capital Management, LLC1,075$89.2K<0.01%new13F-HRTimeline
WELLINGTON-ALTUS USA INC.1,041$86.4K0.06%13F-HRTimeline
EXCHANGE TRADED CONCEPTS, LLC1,011$83.9K<0.01%-2,70413F-HRTimeline
Cromwell Holdings LLC999$83.7K0.05%+13813F-HRTimeline
Elyxium Wealth, LLC1,004$83.3K0.02%new13F-HRTimeline
Addison Advisors LLC972$80.6K0.02%-1413F-HRTimeline
Rosenberg Matthew Hamilton970$80.5K0.02%-15213F-HRTimeline
ORG Partners LLC966$80.1K0.01%-9213F-HRTimeline
Lavaca Capital LLC961$79.7K0.01%-14013F-HRTimeline
Blue Trust, Inc.932$77.3K<0.01%-76713F-HRTimeline
Bank of New Hampshire910$75.5K0.02%+11513F-HRTimeline
Eurizon SLJ Capital Ltd906$75.2K0.03%13F-HRTimeline
OSTRUM ASSET MANAGEMENT900$74.7K<0.01%-30013F-HRTimeline
CYBER HORNET ETFs LLC843$69.9K0.04%+4713F-HRTimeline
Safe Harbor Fiduciary, LLC824$68.4K0.06%13F-HRTimeline