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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
Tortoise Investment Management, LLC17$1.74K<0.01%+1213F-HRTimeline
Activest Wealth Management17$1.74K<0.01%-1613F-HRTimeline
Kilter Group LLC15$1.54K<0.01%new13F-HRTimeline
Clark Wealth Partners15$1.54K<0.01%013F-HRTimeline
Millstone Evans Group, LLC14$1.44K<0.01%013F-HRTimeline
Essential Partners LLC13$1.33K<0.01%13F-HRTimeline
Clearstead Trust, LLC12$1.23K<0.01%new13F-HRTimeline
Hughes Financial Services, LLC13$1.17K<0.01%-1213F-HRTimeline
Aspect Partners, LLC11$1.13K<0.01%013F-HRTimeline
Quaker Wealth Management, LLC10$1.03K<0.01%new13F-HRTimeline
Rialto Wealth Management, LLC10$1.03K<0.01%-1313F-HRTimeline
Capital Advisors, Ltd. LLC10$1K<0.01%-113F-HRTimeline
Colonial Trust Co / SCin group Colonial Trust Advisors9$923<0.01%+513F-HRTimelineGroup
Stephens Consulting, LLC8$821<0.01%new13F-HRTimeline
American Capital Advisory, LLC8$821<0.01%+113F-HRTimeline
TFC Financial Management, Inc.7$718<0.01%+113F-HRTimeline
WOLFF WIESE MAGANA LLC5$513<0.01%013F-HRTimeline
Beaird Harris Wealth Management, LLC3$308<0.01%new13F-HRTimeline
LGT Financial Advisors LLC3$308<0.01%new13F-HRTimeline
DecisionPoint Financial, LLC2$200<0.01%new13F-HRTimeline
Private Wealth Management Group, LLC1$103<0.01%013F-HRTimeline
Retirement Wealth Solutions LLC0$19<0.01%013F-HRTimelineAmount filed as zero, left out of ratios.
CONCOURSE FINANCIAL GROUP SECURITIES, I…0$0013F-HRTimelineValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.