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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 8 sales; 1,173 institutions reported holding it in 13F filings for Q2 2026, worth $32.4B in total; no superinvestor holds it.

13F holders, Q4 2022

Institutional positions in Iron Mountain Inc as of Dec 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
782
+54 vs. Q3 2022
Shares held
228.9M
+3.02M (+1.3%) vs. Q3 2022
Total value
$11.4B
+$1.43B (+14.3%) vs. Q3 2022
New holders
93
300 more added
Sold out
39
251 more reduced

15 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting IRM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2022: 782 institutions
Q1 2021: 630 institutionsQ2 2021: 687 institutionsQ3 2021: 711 institutionsQ4 2021: 754 institutionsQ1 2022: 777 institutionsQ2 2022: 767 institutionsQ3 2022: 743 institutionsQ4 2022: 782 institutionsQ1 2023: 790 institutionsQ2 2023: 817 institutionsQ3 2023: 831 institutionsQ4 2023: 891 institutionsQ1 2024: 938 institutionsQ2 2024: 967 institutionsQ3 2024: 1,056 institutionsQ4 2024: 1,067 institutionsQ1 2025: 995 institutionsQ2 2025: 1,045 institutionsQ3 2025: 1,017 institutionsQ4 2025: 1,011 institutionsQ1 2026: 1,090 institutionsQ2 2026: 1,173 institutions
Value heldQ4 2022: $11.4B
Q1 2021: $8.44BQ2 2021: $9.70BQ3 2021: $9.94BQ4 2021: $12.0BQ1 2022: $12.4BQ2 2022: $10.9BQ3 2022: $10.0BQ4 2022: $11.4BQ1 2023: $12.0BQ2 2023: $12.9BQ3 2023: $13.7BQ4 2023: $16.4BQ1 2024: $19.0BQ2 2024: $22.2BQ3 2024: $28.8BQ4 2024: $24.9BQ1 2025: $21.1BQ2 2025: $25.5BQ3 2025: $25.5BQ4 2025: $21.4BQ1 2026: $25.9BQ2 2026: $32.4B
Institutions holding IRM and their total value by quarter
QuarterHoldersValue
Q2 20261,173$32.4B
Q1 20261,090$25.9B
Q4 20251,011$21.4B
Q3 20251,017$25.5B
Q2 20251,045$25.5B
Q1 2025995$21.1B
Q4 20241,067$24.9B
Q3 20241,056$28.8B
Q2 2024967$22.2B
Q1 2024938$19.0B
Q4 2023891$16.4B
Q3 2023831$13.7B
Q2 2023817$12.9B
Q1 2023790$12.0B
Q4 2022782$11.4B
Q3 2022743$10.0B
Q2 2022767$10.9B
Q1 2022777$12.4B
Q4 2021754$12.0B
Q3 2021711$9.94B
Q2 2021687$9.70B
Q1 2021630$8.44B

Institutions, Q4 2022

Shares, value and share of portfolio for each institution holding Iron Mountain Inc; share changes are against Q3 2022.

Institutions holding IRM in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
AllSquare Wealth Management LLC798$39.8K0.03%00.0%Unchanged
Beacon Capital Management, LLC821$40.9K0.01%00.0%Unchanged
Proffitt & Goodson Inc825$41.1K0.01%00.0%Unchanged
Private Ocean, LLC900$44.9K0.01%00.0%Unchanged
Point72 Middle East FZE927$46.2K0.00%+927New
AIA Group Ltd937$46.7K0.00%−717−43.3%Reduced
TCI Wealth Advisors, Inc.945$47.1K0.01%00.0%Unchanged
North Star Investment Management Corp.970$48.4K0.00%00.0%Unchanged
Accurate Wealth Management, LLC966$48.5K0.02%+966New
Umb Bank N A974$49.0K0.00%00.0%Unchanged
Hexagon Capital Partners LLC1,000$49.9K0.01%−300−23.1%Reduced
FinTrust Capital Advisors, LLC1,000$49.9K0.01%+1,000New
Sittner & Nelson, LLC1,014$50.5K0.03%+14+1.4%Added
Sawyer & Company, Inc1,075$54.0K0.03%00.0%Unchanged
Sound Income Strategies, LLC1,086$54.1K0.01%+187+20.8%Added
Avion Wealth1,269$55.0K0.02%00.0%Unchanged
Bay Harbor Wealth Management, LLC1,094$55.0K0.02%−1−0.1%Reduced
Parkside Financial Bank & Trust1,261$62.9K0.02%+40+3.3%Added
C M Bidwell & Associates Ltd1,285$64.1K0.05%+1,285New
Carolinas Wealth Consulting LLC1,274$64.6K0.01%−390−23.4%Reduced
Silvant Capital Management LLC1,292$65.2K0.00%00.0%Unchanged
First Horizon Advisors, Inc.1,370$68.3K0.00%00.0%Unchanged
Schubert & Co1,390$69.3K0.06%−376−21.3%Reduced
Founders Capital Management1,400$70.0K0.05%00.0%Unchanged
Penserra Capital Management LLC1,508$74.0K0.00%−7,762−83.7%Reduced
First Financial Corp1,500$74.8K0.05%00.0%Unchanged
Spire Wealth Management1,531$76.0K0.00%+781+104.1%Added
Tower View Investment Management & Research LLC1,539$77.0K0.05%+20+1.3%Added
SJS Investment Consulting Inc.1,600$79.8K0.02%00.0%Unchanged
Ronald Blue Trust, Inc.1,829$80.0K0.00%+132+7.8%Added
Central Trust Co1,640$81.8K0.00%+35+2.2%Added
Newbridge Financial Services Group, Inc.1,666$83.0K0.05%−4,963−74.9%Reduced
Retirement Group, LLC1,683$84.0K0.04%+33+2.0%Added
Parallel Advisors, LLC1,700$84.7K0.00%−151−8.2%Reduced
Monetary Management Group Inc1,800$89.7K0.03%−3,100−63.3%Reduced
Orion Capital Management LLC1,800$89.7K0.07%00.0%Unchanged
Harvest Fund Management Co., Ltd1,908$95.0K0.02%00.0%Unchanged
SRS Capital Advisors, Inc.1,958$97.6K0.01%−59−2.9%Reduced
First Manhattan Co1,995$99.5K0.00%00.0%Unchanged
Financial Perspectives, Inc2,000$99.7K0.05%00.0%Unchanged
Baldwin Brothers Inc2,008$100.1K0.01%+808+67.3%Added
Cullen/Frost Bankers, Inc.2,016$100.5K0.00%00.0%Unchanged
Vigilant Capital Management, LLC2,024$101.0K0.01%00.0%Unchanged
Sentry Investment Management LLC2,032$101.0K0.04%+54+2.7%Added
Addison Advisors LLC2,055$102.4K0.06%−1,850−47.4%Reduced
NVWM, LLC2,151$108.6K0.04%00.0%Unchanged
Tobam2,284$114.0K0.01%+177+8.4%Added
Trustcore Financial Services, LLC2,500$124.6K0.01%00.0%Unchanged
PEAK6 Investments LLC2,555$127.4K0.01%−7,455−74.5%Reduced
Activest Wealth Management2,680$135.5K0.04%+2,280+570.0%Added
BI Asset Management Fondsmaeglerselskab A/S2,829$141.0K0.00%+2,829New
Huntington National Bank2,878$143.5K0.00%+530+22.6%Added
Whittier Trust Co2,923$145.7K0.00%+220+8.1%Added
Federation des caisses Desjardins du Quebec2,986$148.9K0.00%−5,943−66.6%Reduced
Clean Yield Group3,000$149.6K0.06%00.0%Unchanged
Desjardins Global Asset Management Inc.3,070$153.0K0.02%+337+12.3%Added
ICA Group Wealth Management, LLC3,189$159.0K0.04%+3,189New
Private Trust Co NA3,195$159.0K0.02%+34+1.1%Added
Deseret Mutual Benefit Administrators3,306$164.8K0.07%−2,104−38.9%Reduced
Sutton Wealth Advisors Inc.3,307$164.9K0.06%00.0%Unchanged
Signaturefd, LLC3,310$165.0K0.00%−101−3.0%Reduced
Raleigh Capital Management Inc.3,358$167.4K0.09%−85−2.5%Reduced
Belpointe Asset Management LLC3,636$181.3K0.01%+916+33.7%Added
M&R Capital Management Inc3,636$181.3K0.05%+170+4.9%Added
Ellevest, Inc.3,711$185.0K0.02%−232−5.9%Reduced
Ameritas Investment Partners, Inc.3,577$186.9K0.01%00.0%Unchanged
Smithfield Trust Co3,762$188.0K0.01%−286−7.1%Reduced
Toth Financial Advisory Corp3,953$197.0K0.03%00.0%Unchanged
Bogart Wealth, LLC4,046$201.7K0.01%00.0%Unchanged
Linscomb & Williams, Inc.4,051$202.0K0.01%+4,051New
IFP Advisors, Inc4,951$202.0K0.01%−111−2.2%Reduced
Laurel Wealth Advisors, Inc.4,056$202.0K0.02%+4,056New
Strategic Blueprint, LLC4,058$202.3K0.02%+4,058New
Benjamin F. Edwards & Company, Inc.4,077$203.0K0.01%−63−1.5%Reduced
Destination Wealth Management4,095$204.1K0.01%+4,095New
Crown Wealth Group, LLC4,150$206.9K0.19%+4,150New
CWM, LLC4,151$207.0K0.00%+755+22.2%Added
Moneta Group Investment Advisors LLC3,795$207.1K0.01%+3,795New
TrinityPoint Wealth, LLC4,160$207.4K0.05%+4,160New
Capstone Investment Advisors, LLC4,253$212.0K0.01%+2,704+174.6%Added
Ninepoint Partners LP4,273$213.0K0.03%−789−15.6%Reduced
Guild Investment Management, Inc.4,236$213.8K0.37%+4,236New
Curi Capital4,327$215.7K0.03%+4,327New
XML Financial, LLC4,384$218.5K0.03%+4,384New
Beverly Hills Private Wealth, LLC4,468$222.7K0.10%+4,468New
Advisors Capital Management, LLC4,486$224.0K0.01%−158−3.4%Reduced
Comerica Securities,inc.4,447$224.4K0.02%−29−0.6%Reduced
Bradley Foster & Sargent Inc4,504$224.5K0.01%+4,504New
Brinker Capital Investments, LLC4,515$225.1K0.00%+4,515New
Welch Group, LLC4,531$225.9K0.01%+4,531New
Perigon Wealth Management, LLC4,577$228.2K0.01%−8,151−64.0%Reduced
Financial Management Professionals, Inc.4,594$229.0K0.05%+723+18.7%Added
Moreno Evelyn V4,600$229.3K0.05%−1,176−20.4%Reduced
Boston Financial Mangement LLC4,600$229.3K0.01%00.0%Unchanged
Brown Brothers Harriman & Co4,633$231.0K0.00%−99−2.1%Reduced
Edmp, Inc.4,657$232.2K0.23%−31−0.7%Reduced
Armstrong Advisory Group, Inc4,683$233.4K0.03%+4,683New
High Net Worth Advisory Group LLC4,692$233.9K0.09%−1,209−20.5%Reduced
Seelaus Asset Management LLC4,700$234.0K0.18%00.0%Unchanged
Wulff, Hansen & Co.4,720$235.3K0.29%00.0%Unchanged