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, Q2 2021
Institutional positions in Iron Mountain Inc as of Jun 30, 2021. 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
- 687
- +60 vs. Q1 2021
- Shares held
- 229.0M
- +3.86M (+1.7%) vs. Q1 2021
- Total value
- $9.70B
- +$1.37B (+16.4%) vs. Q1 2021
- New holders
- 112
- 253 more added
- Sold out
- 52
- 218 more reduced
3 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,173 | $32.4B |
| Q1 2026 | 1,090 | $25.9B |
| Q4 2025 | 1,011 | $21.4B |
| Q3 2025 | 1,017 | $25.5B |
| Q2 2025 | 1,045 | $25.5B |
| Q1 2025 | 995 | $21.1B |
| Q4 2024 | 1,067 | $24.9B |
| Q3 2024 | 1,056 | $28.8B |
| Q2 2024 | 967 | $22.2B |
| Q1 2024 | 938 | $19.0B |
| Q4 2023 | 891 | $16.4B |
| Q3 2023 | 831 | $13.7B |
| Q2 2023 | 817 | $12.9B |
| Q1 2023 | 790 | $12.0B |
| Q4 2022 | 782 | $11.4B |
| Q3 2022 | 743 | $10.0B |
| Q2 2022 | 767 | $10.9B |
| Q1 2022 | 777 | $12.4B |
| Q4 2021 | 754 | $12.0B |
| Q3 2021 | 711 | $9.94B |
| Q2 2021 | 687 | $9.70B |
| Q1 2021 | 630 | $8.44B |
Institutions, Q2 2021
Shares, value and share of portfolio for each institution holding Iron Mountain Inc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| First Financial Corp | 1,500 | $63.0K | 0.04% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 1,514 | $64.0K | 0.00% | −1,478−49.4% | Reduced |
| Atlas Capital Advisors LLC | 1,513 | $64.0K | 0.01% | 00.0% | Unchanged |
| Sawyer & Company, Inc | 1,600 | $68.0K | 0.03% | 00.0% | Unchanged |
| Retirement Group, LLC | 1,608 | $68.0K | 0.03% | +10+0.6% | Added |
| Edmond de Rothschild Holding S.A. | 1,660 | $70.0K | 0.00% | 00.0% | Unchanged |
| Brewin Dolphin Ltd | 1,701 | $72.0K | 0.00% | 00.0% | Unchanged |
| Carolinas Wealth Consulting LLC | 1,684 | $72.0K | 0.02% | +1,013+151.0% | Added |
| Parallel Advisors, LLC | 1,713 | $73.0K | 0.00% | +181+11.8% | Added |
| First Horizon Advisors, Inc. | 1,724 | $73.0K | 0.00% | +300+21.1% | Added |
| Cutler Group LP | 1,801 | $76.0K | 0.01% | +1,801 | New |
| Financial Management Professionals, Inc. | 1,852 | $78.0K | 0.02% | +45+2.5% | Added |
| Credit Agricole S A | 1,920 | $81.0K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 1,934 | $82.0K | 0.00% | 00.0% | Unchanged |
| First Manhattan Co | 1,995 | $84.0K | 0.00% | +1,800+923.1% | Added |
| Financial Perspectives, Inc | 2,000 | $84.6K | 0.04% | −72,020−97.3% | Reduced |
| Kings Point Capital Management | 2,000 | $85.0K | 0.01% | 00.0% | Unchanged |
| Vigilant Capital Management, LLC | 2,024 | $86.0K | 0.01% | 00.0% | Unchanged |
| Trustcore Financial Services, LLC | 2,101 | $89.0K | 0.01% | −900−30.0% | Reduced |
| NVWM, LLC | 2,145 | $92.0K | 0.03% | +2+0.1% | Added |
| Orion Capital Management LLC | 2,300 | $97.0K | 0.06% | 00.0% | Unchanged |
| Pinebridge Investments, L.P. | 2,334 | $99.0K | 0.00% | +2,334 | New |
| Fifth Third Bancorp | 2,359 | $100.0K | 0.00% | +480+25.5% | Added |
| Glen Eagle Advisors, LLC | 2,366 | $100.1K | 0.03% | −50−2.1% | Reduced |
| Castleview Partners, LLC | 2,385 | $101.0K | 0.04% | +2,385 | New |
| Harvest Fund Management Co., Ltd | 2,403 | $102.0K | 0.01% | +2,403 | New |
| Deseret Mutual Benefit Administrators | 2,480 | $105.0K | 0.03% | +2,480 | New |
| Charter Oak Capital Management, LLC | 2,590 | $110.0K | 0.01% | 00.0% | Unchanged |
| American Research & Management Co. | 2,589 | $110.0K | 0.03% | +2,281+740.6% | Added |
| Cordant, Inc. | 3,006 | $127.0K | 0.08% | −2,908−49.2% | Reduced |
| Clean Yield Group | 3,000 | $127.0K | 0.05% | +3,000 | New |
| Trust Co of Vermont | 3,120 | $132.0K | 0.01% | 00.0% | Unchanged |
| Benjamin F. Edwards & Company, Inc. | 3,113 | $132.0K | 0.01% | 00.0% | Unchanged |
| O'Shaughnessy Asset Management, LLC | 3,120 | $132.0K | 0.00% | +1,818+139.6% | Added |
| Parkside Financial Bank & Trust | 3,184 | $134.0K | 0.04% | +954+42.8% | Added |
| Truehand, Inc | 3,416 | $145.0K | 0.09% | 00.0% | Unchanged |
| Signaturefd, LLC | 3,449 | $146.0K | 0.01% | +8+0.2% | Added |
| Hanson & Doremus Investment Management | 5,540 | $148.0K | 0.04% | +1,728+45.3% | Added |
| American Portfolios Advisors | 3,671 | $155.4K | 0.01% | −933−20.3% | Reduced |
| Ameritas Investment Partners, Inc. | 3,944 | $167.0K | 0.01% | −475−10.7% | Reduced |
| IFP Advisors, Inc | 4,145 | $172.0K | 0.00% | +427+11.5% | Added |
| Agf Investments Inc. | 4,268 | $181.0K | 0.00% | +4,268 | New |
| Brown Brothers Harriman & Co | 4,657 | $197.0K | 0.00% | +4+0.1% | Added |
| Migdal Insurance & Financial Holdings Ltd. | 4,675 | $198.0K | 0.00% | +691+17.3% | Added |
| Canada Pension Plan Investment Board | 4,722 | $200.0K | 0.00% | −161,753−97.2% | Reduced |
| Brighton Jones LLC | 4,722 | $200.0K | 0.01% | −855−15.3% | Reduced |
| IndexIQ Advisors LLC | 4,721 | $200.0K | 0.01% | +147+3.2% | Added |
| Private Portfolio Partners LLC | 4,783 | $202.5K | 0.06% | +4,783 | New |
| Cambria Investment Management, L.P. | 4,806 | $203.0K | 0.03% | +4,806 | New |
| Quad-Cities Investment Group, LLC | 4,815 | $204.0K | 0.14% | +4,815 | New |
| Axiom Investment Management LLC | 4,950 | $209.0K | 0.16% | −1,000−16.8% | Reduced |
| Stratos Wealth Partners, LTD. | 5,006 | $212.0K | 0.01% | +5,006 | New |
| Wealthsource Partners, LLC | 5,005 | $212.0K | 0.02% | +5,005 | New |
| Toth Financial Advisory Corp | 5,038 | $213.0K | 0.03% | +72+1.4% | Added |
| Coldstream Capital Management Inc | 5,038 | $213.0K | 0.01% | +5,038 | New |
| Stevens Capital Management LP | 5,025 | $213.0K | 0.06% | +5,025 | New |
| Quantamental Technologies LLC | 5,060 | $214.0K | 0.19% | +5,060 | New |
| Cooper Financial Group | 5,100 | $216.0K | 0.04% | +5,100 | New |
| Cullinan Associates Inc | 5,125 | $217.0K | 0.01% | −7,676−60.0% | Reduced |
| CCG Wealth Management, LLC | 5,130 | $217.0K | 0.17% | +5,130 | New |
| XML Financial, LLC | 5,144 | $218.0K | 0.05% | −1,865−26.6% | Reduced |
| Greenleaf Trust | 5,184 | $219.0K | 0.00% | +5,184 | New |
| Advisors Management Group Inc | 5,202 | $220.0K | 0.07% | +5,202 | New |
| Linscomb & Williams, Inc. | 5,192 | $220.0K | 0.01% | +5,192 | New |
| Ergoteles LLC | 5,193 | $220.0K | 0.01% | +5,193 | New |
| Morris Capital Advisors, LLC | 5,198 | $220.0K | 0.17% | +5,198 | New |
| Essex Savings Bank | 5,095 | $221.0K | 0.09% | +5,095 | New |
| Ci Investments Inc. | 5,250 | $222.0K | 0.00% | +1,993+61.2% | Added |
| Good Life Advisors, LLC | 5,305 | $225.0K | 0.04% | −257−4.6% | Reduced |
| International Assets Investment Management, LLC | 5,422 | $229.0K | 0.04% | −6,135−53.1% | Reduced |
| Washington Trust Co | 5,402 | $229.0K | 0.01% | 00.0% | Unchanged |
| Boston Private Wealth LLC | 5,452 | $230.0K | 0.00% | −11,361−67.6% | Reduced |
| Globeflex Capital L P | 5,444 | $230.0K | 0.04% | 00.0% | Unchanged |
| J.W. Cole Advisors, Inc. | 5,465 | $231.0K | 0.02% | +5,465 | New |
| Nations Financial Group Inc, | 5,482 | $232.0K | 0.04% | +5,482 | New |
| Level Four Advisory Services, LLC | 5,537 | $234.0K | 0.02% | +5,537 | New |
| Caxton Associates LP | 5,699 | $241.0K | 0.03% | +5,699 | New |
| Paloma Partners Management Co | 5,697 | $241.0K | 0.01% | +5,697 | New |
| Verdence Capital Advisors LLC | 5,755 | $244.0K | 0.03% | +5,755 | New |
| Kingsview Wealth Management, LLC | 5,737 | $245.0K | 0.01% | +5,737 | New |
| Financial Advocates Investment Management | 5,797 | $246.0K | 0.02% | −663−10.3% | Reduced |
| Patriot Financial Group Insurance Agency, LLC | 5,814 | $246.0K | 0.04% | +22+0.4% | Added |
| Southland Equity Partners LLC | 5,820 | $246.3K | 0.12% | +5,820 | New |
| Glenmede Trust Co NA | 5,922 | $249.0K | 0.00% | +433+7.9% | Added |
| Gsa Capital Partners LLP | 6,059 | $256.0K | 0.03% | +6,059 | New |
| Abbot Financial Management, Inc. | 6,100 | $258.0K | 0.11% | +6,100 | New |
| Livforsakringsbolaget Skandia, Omsesidigt | 6,161 | $261.0K | 0.02% | +3,700+150.3% | Added |
| XTX Topco Ltd | 6,158 | $261.0K | 0.09% | +6,158 | New |
| Flagship Harbor Advisors, LLC | 6,234 | $264.0K | 0.03% | −222−3.4% | Reduced |
| New England Investment & Retirement Group, Inc. | 6,247 | $264.0K | 0.06% | +6,247 | New |
| Bristlecone Advisors, LLC | 6,266 | $265.0K | 0.04% | 00.0% | Unchanged |
| Park Avenue Securities LLC | 6,334 | $268.0K | 0.01% | +487+8.3% | Added |
| Beaumont Financial Partners, LLC | 6,365 | $269.0K | 0.02% | −439−6.5% | Reduced |
| Global Retirement Partners, LLC | 6,349 | $269.0K | 0.03% | +30.0% | Added |
| Hudson Valley Investment Advisors Inc | 6,400 | $271.0K | 0.05% | 00.0% | Unchanged |
| Accuvest Global Advisors | 6,473 | $274.0K | 0.14% | 00.0% | Unchanged |
| E&G Advisors, LP | 0 | $275.0K | 0.07% | −7,800−100.0% | Reduced |
| SeaCrest Wealth Management, LLC | 6,573 | $278.0K | 0.03% | +24+0.4% | Added |
| Citizens Business Bank | 6,611 | $279.0K | 0.04% | −4,036−37.9% | Reduced |
| Keybank National Association | 6,614 | $280.0K | 0.00% | +494+8.1% | Added |