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

13F holders, Q3 2022

Institutional positions in Iron Mountain Inc as of Sep 30, 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
743
−9 vs. Q2 2022
Shares held
227.0M
+3.02M (+1.4%) vs. Q2 2022
Total value
$10.0B
−$913.1M (−8.4%) vs. Q2 2022
New holders
64
289 more added
Sold out
73
256 more reduced

15 institutions that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2022: 743 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 heldQ3 2022: $10.0B
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, Q3 2022

Shares, value and share of portfolio for each institution holding Iron Mountain Inc; share changes are against Q2 2022.

Institutions holding IRM in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Metropolitan Life Insurance Co25,971$1.14M0.05%−4,035−13.4%Reduced
Twelve Points Wealth Management LLC25,893$1.14M0.88%+1,054+4.2%Added
Advisory Services Network, LLC25,728$1.13M0.04%−722−2.7%Reduced
Ancora Advisors, LLC25,633$1.13M0.04%−5,277−17.1%Reduced
Pensionfund Sabic25,500$1.12M0.39%00.0%Unchanged
Herbst Group, LLC25,300$1.11M0.91%+200+0.8%Added
Gables Capital Management Inc.25,260$1.11M0.89%00.0%Unchanged
LMR Partners LLP25,175$1.11M0.03%+6,552+35.2%Added
Soltis Investment Advisors LLC25,076$1.10M0.17%+6,095+32.1%Added
Corrado Advisors, LLC24,980$1.10M0.89%−209−0.8%Reduced
Monument Capital Management24,788$1.09M0.41%−3,517−12.4%Reduced
Moody National Bank Trust Division24,778$1.09M0.11%+7,758+45.6%Added
Wambolt & Associates, LLC24,406$1.07M0.46%+51+0.2%Added
Future Financial Wealth Managment LLC22,002$1.07M1.24%−1,277−5.5%Reduced
Securian Asset Management, Inc24,105$1.06M0.03%+127+0.5%Added
JustInvest LLC23,951$1.05M0.05%−417−1.7%Reduced
McMillion Capital Management Inc23,882$1.05M0.97%−645−2.6%Reduced
Mackenzie Financial Corp23,867$1.05M0.00%−17,696−42.6%Reduced
Edgestream Partners, L.P.23,209$1.02M0.08%−45,814−66.4%Reduced
EP Wealth Advisors, LLC23,155$1.02M0.02%+23,155New
Reik & Co., LLC22,980$1.01M0.32%00.0%Unchanged
Achmea Investment Management B.V.22,949$1.01M0.04%+496+2.2%Added
GWM Advisors LLC22,802$1.00M0.02%−3,004−11.6%Reduced
Kentucky Retirement Systems22,754$1.00M0.04%+1,189+5.5%Added
Intrua Financial, LLC22,710$999.0K0.27%−893−3.8%Reduced
Nicholas Investment Partners, LP22,696$998.0K0.09%+6,861+43.3%Added
State Farm Mutual Automobile Insurance Co22,500$989.0K0.00%00.0%Unchanged
Spirit of America Management Corp22,500$989.0K0.23%+500+2.3%Added
Mariner, LLC22,316$981.0K0.00%+3,593+19.2%Added
Boenning & Scattergood, Inc.22,200$976.0K0.20%−500−2.2%Reduced
Ingalls & Snyder LLC21,988$967.0K0.05%−175−0.8%Reduced
Fiduciary Trust Co21,959$965.0K0.02%−101−0.5%Reduced
Elo Mutual Pension Insurance Co21,714$955.0K0.04%−1,059−4.7%Reduced
Davenport & Co LLC21,714$955.0K0.01%+375+1.8%Added
Columbia Asset Management21,563$948.0K0.25%−3,068−12.5%Reduced
Lavaca Capital LLC19,293$936.0K0.52%−400−2.0%Reduced
Trust Investment Advisors21,227$933.0K0.97%+12+0.1%Added
Seeyond21,220$933.0K0.11%+12,250+136.6%Added
Budros, Ruhlin & Roe, Inc.21,115$928.0K0.11%+21,115New
Sawtooth Solutions, LLC20,967$922.0K0.13%+12,085+136.1%Added
Hudson Portfolio Management LLC20,626$906.0K1.07%−268−1.3%Reduced
King Luther Capital Management Corp20,466$900.0K0.01%−33−0.2%Reduced
Illinois Municipal Retirement Fund20,469$900.0K0.02%00.0%Unchanged
SG Americas Securities, LLC20,457$899.0K0.01%−39,221−65.7%Reduced
Eagle Ridge Investment Management19,702$866.0K0.11%00.0%Unchanged
Invst, LLC19,052$859.0K0.15%+1,055+5.9%Added
TrimTabs Asset Management, LLC19,522$858.0K0.59%−7,293−27.2%Reduced
Lockheed Martin Investment Management Co19,478$856.0K0.07%−3,200−14.1%Reduced
Sculati Wealth Management, LLC19,401$853.0K0.50%−10,408−34.9%Reduced
AdvisorShares Investments LLC19,138$841.0K0.23%+3,928+25.8%Added
Fagan Associates, Inc.18,992$835.0K0.23%+502+2.7%Added
Roman Butler Fullerton & Co17,974$827.0K0.53%−58−0.3%Reduced
Louisiana State Employees Retirement System18,600$818.0K0.02%+200+1.1%Added
Nordea Investment Management AB18,332$815.0K0.00%00.0%Unchanged
Los Angeles Capital Management LLC18,241$802.0K0.00%−12,960−41.5%Reduced
Terra Nova Asset Management LLC18,065$794.0K0.87%−39−0.2%Reduced
Cresset Asset Management, LLC17,638$785.0K0.01%−332−1.8%Reduced
Creative Planning17,441$767.0K0.00%+1,954+12.6%Added
Rafferty Asset Management, LLC17,262$759.0K0.01%+3,774+28.0%Added
National Bank of Canada17,176$755.0K0.00%00.0%Unchanged
Measured Wealth Private Client Group, LLC17,137$754.0K0.33%−563−3.2%Reduced
Hancock Whitney Corp17,135$753.0K0.03%+254+1.5%Added
Lee Danner & Bass Inc16,923$744.0K0.08%00.0%Unchanged
Tyler-Stone Wealth Management16,925$744.0K0.57%+300+1.8%Added
Advisory Research Inc16,901$743.0K0.07%00.0%Unchanged
Hilltop Holdings Inc.16,649$732.0K0.10%+249+1.5%Added
D. E. Shaw & Co., Inc.16,648$732.0K0.00%+16,648New
Toroso Investments, LLC16,167$711.0K0.03%+511+3.3%Added
Essex Financial Services, Inc.16,073$707.0K0.08%+1,581+10.9%Added
First National Trust Co16,057$706.0K0.04%00.0%Unchanged
Abbot Financial Management, Inc.15,850$697.0K0.50%+250+1.6%Added
Clearstead Advisors, LLC15,833$696.0K0.06%−78−0.5%Reduced
Virginia Retirement Systems Et Al15,800$694.7K0.01%+15,800New
Royal Fund Management, LLC15,687$689.0K0.13%+2,642+20.3%Added
MAI Capital Management15,633$687.0K0.01%−5,782−27.0%Reduced
Beacon Financial Advisory LLC15,591$686.0K0.49%−28−0.2%Reduced
Capital Investment Advisory Services, LLC15,414$678.0K0.09%−1,126−6.8%Reduced
Panagora Asset Management Inc15,387$677.0K0.00%−3,127−16.9%Reduced
Duality Advisers, LP15,357$675.0K0.07%−23,279−60.3%Reduced
Schroder Investment Management Group15,346$675.0K0.00%−6,092−28.4%Reduced
Banque Cantonale Vaudoise15,357$675.0K0.04%00.0%Unchanged
Ahrens Investment Partners LLC15,311$673.0K0.35%−589−3.7%Reduced
Geneos Wealth Management Inc.15,024$660.0K0.05%−1,827−10.8%Reduced
Pathstone Family Office, LLC14,689$653.6K0.01%+433+3.0%Added
New Mexico Educational Retirement Board14,840$653.0K0.04%−1,200−7.5%Reduced
Roosevelt Investment Group LLC14,772$650.0K0.05%+160+1.1%Added
Two Sigma Investments, LP14,656$644.0K0.00%+14,656New
Transatlantique Private Wealth LLC14,242$626.0K0.42%+2,153+17.8%Added
Tower Research Capital LLC (TRC)14,208$624.0K0.01%−20,303−58.8%Reduced
Advisor Partners II, LLC14,168$623.0K0.05%+14,168New
Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors14,065$618.0K0.18%−160−1.1%Reduced
Princeton Capital Management LLC13,734$604.0K0.26%00.0%Unchanged
Widmann Financial Services, Inc.13,554$596.0K0.66%−206−1.5%Reduced
Foster & Motley Inc13,454$592.0K0.06%+1,502+12.6%Added
Formidable Asset Management, LLC13,204$582.0K0.13%+233+1.8%Added
KBC Group NV13,073$575.0K0.00%+324+2.5%Added
Prudent Man Advisors, LLC12,788$562.0K0.27%+673+5.6%Added
Perigon Wealth Management, LLC12,728$560.0K0.05%+12,728New
Ameliora Wealth Management Ltd.12,100$549.0K0.30%+12,100New
Harbour Investments, Inc.11,252$548.0K0.04%00.0%Unchanged