Companies / Iron Mountain Inc / Activity
Activity — Iron Mountain Inc
291 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q1 2026 as of | Norges Bank 13F manager | Exit | Common stock | $-368.89M | -4.4M -100.00% | 0 | high |
| Q2 2026 as of | State Street Corporation 13F manager | Add | Common stock | $94.76M | +745K +4.41% | 17,634,044 5.92% of shares | high |
| Q1 2026 as of | AQR Capital Management, LLC 13F manager | Add | Common stock | $91.52M | +923K +99.97% | 1,846,073 0.62% of shares | high |
| Q2 2026 as of | BlackRock, Inc. 13F manager | Add | Common stock | $82.26M | +651K +1.98% | 33,570,910 11.28% of shares | high |
| Q2 2026 as of | Deutsche Bank AG 13F manager | Add | Common stock | $64.05M | +507K +19.95% | 3,049,079 1.02% of shares | high |
| Q4 2025 as of | Norges Bank 13F manager | Add | Common stock | $62.68M | +756K +20.47% | 4,447,133 1.49% of shares | high |
| Q1 2026 as of | Bamco Inc /Ny 13F manager | New | Common stock | $53.65M | +525K | 525,270 0.18% of shares | high |
| Q1 2026 as of | Clark Capital Management Group, Inc. 13F manager | New | Common stock | $47.84M | +468K | 468,365 0.16% of shares | medium |
| Q2 2026 as of | Centersquare Investment Management LLC 13F manager | Trim | Common stock | $-38.84M | -307K -11.68% | 2,323,974 0.78% of shares | medium |
| Q1 2026 as of | Principal Financial Group Inc 13F manager | Add | Common stock | $36.62M | +358K +8.52% | 4,566,093 1.53% of shares | medium |
| Q1 2023 as of | Barclays PLC 13F manager | Trim | Common stock | $-32.57M | -616K -65.94% | 317,976 0.11% of shares | medium |
| Q1 2026 as of | Amundi 13F manager | Trim | Common stock | $-24.73M | -242K -18.15% | 1,091,574 0.37% of shares | medium |
| Q1 2026 as of | Public Employees Retirement System of Ohio 13F manager | Add | Common stock | $23.72M | +232K +121.25% | 423,714 0.14% of shares | medium |
| Q1 2026 as of | Heitman Real Estate Securities LLC 13F manager | Trim | Common stock | $-23.59M | -231K -47.08% | 259,594 0.09% of shares | medium |
| Q4 2025 as of | Bank of America Corp /De 13F manager | Add | Common stock | $23.42M | +282K +23.00% | 1,510,345 0.51% of shares | medium |
| Q1 2026 as of | Cbre Investment Management Listed Real Assets LLC 13F manager | Trim | Common stock | $-21.31M | -209K -14.43% | 1,237,915 0.42% of shares | medium |
| Q1 2025 as of | Barclays PLC 13F manager | Add | Common stock | $20.53M | +239K +58.86% | 644,046 0.22% of shares | medium |
| Q3 2025 as of | Barclays PLC 13F manager | Add | Common stock | $20.00M | +196K +36.09% | 739,890 0.25% of shares | medium |
| Q1 2026 as of | Geode Capital Management, LLC 13F manager | Add | Common stock | $19.69M | +193K +2.33% | 8,486,127 2.85% of shares | medium |
| Q4 2024 as of | Barclays PLC 13F manager | Trim | Common stock | $-19.54M | -186K -31.44% | 405,421 0.14% of shares | medium |
| Q1 2026 as of | Hudson Bay Capital Management LP 13F manager | New | Common stock | $19.50M | +191K | 190,884 0.06% of shares | medium |
| Q2 2026 as of | Mitsubishi UFJ Asset Management Co., Ltd. 13F manager | Add | Common stock | $18.07M | +143K +17.04% | 982,596 0.33% of shares | medium |
| Q1 2026 as of | Regions Financial Corp 13F manager | Trim | Common stock | $-17.89M | -175K -81.59% | 39,516 0.01% of shares | medium |
| Q2 2023 as of | Barclays PLC 13F manager | Add | Common stock | $16.00M | +282K +88.57% | 599,593 0.20% of shares | medium |
| Q1 2024 as of | Barclays PLC 13F manager | Trim | Common stock | $-14.87M | -185K -24.01% | 586,904 0.20% of shares | medium |
| Q4 2023 as of | Barclays PLC 13F manager | Add | Common stock | $14.54M | +208K +36.82% | 772,320 0.26% of shares | medium |
| Q1 2026 as of | Royal Bank of Canada 13F manager | Add | Common stock | $12.75M | +125K +9.71% | 1,410,720 0.47% of shares | medium |
| Q1 2026 as of | APG Asset Management US Inc. 13F manager | Add | Common stock | $12.29M | +122K +20.91% | 703,912 0.24% of shares | medium |
| Q1 2026 as of | Millennium Management LLC 13F manager | Trim | Common stock | $-11.70M | -115K -23.42% | 374,463 0.13% of shares | medium |
| Q1 2026 as of | Two Sigma Investments, LP 13F manager | Trim | Common stock | $-11.33M | -111K -38.24% | 179,202 0.06% of shares | medium |
| Q1 2026 as of | Prudential Financial Inc 13F manager | Add | Common stock | $10.78M | +106K +4.57% | 2,416,063 0.81% of shares | medium |
| Q2 2025 as of | Barclays PLC 13F manager | Trim | Common stock | $-10.29M | -100K -15.58% | 543,696 0.18% of shares | medium |
| Q1 2026 as of | Balyasny Asset Management L.P. 13F manager | Trim | Common stock | $-7.98M | -78K -37.77% | 128,692 0.04% of shares | medium |
| Q1 2026 as of | Intech Investment Management LLC 13F manager | Trim | Common stock | $-7.35M | -72K -76.36% | 22,268 <0.01% of shares | medium |
| Q1 2026 as of | CPPIB Crestone Peak Resources Canada Inc. 13F manager | Exit | Common stock | $-7.31M | -88K -100.00% | 0 | medium |
| Q1 2026 as of | Polar Asset Management Partners Inc. 13F manager | Exit | Common stock | $-7.17M | -86K -100.00% | 0 | medium |
| Q1 2026 as of | Adage Capital Partners Gp, L.L.C. 13F manager | Trim | Common stock | $-6.82M | -67K -10.17% | 590,052 0.20% of shares | medium |
| Q1 2026 as of | Federated Hermes Inc 13F manager | Add | Common stock | $6.74M | +66K +44.52% | 214,126 0.07% of shares | medium |
| Q1 2026 as of | Mariner, LLC 13F manager | Add | Common stock | $6.71M | +66K +103.71% | 129,019 0.04% of shares | medium |
| Q1 2026 as of | Bank of New York Mellon Corp/The 13F manager | Trim | Common stock | $-6.25M | -61K -3.63% | 1,624,836 0.55% of shares | medium |
| Q2 2026 as of | Forsta Ap-Fonden 13F manager | Exit | Common stock | $-5.88M | -71K -100.00% | 0 | medium |
| Q1 2026 as of | Peak6 LLC 13F manager | Add | Common stock | $5.62M | +55K +1035.75% | 60,388 0.02% of shares | medium |
| Q1 2026 as of | BNP Paribas Financial Markets 13F manager | Trim | Common stock | $-5.49M | -54K -9.56% | 508,511 0.17% of shares | medium |
| Q3 2024 as of | Barclays PLC 13F manager | Trim | Common stock | $-5.43M | -46K -7.17% | 591,302 0.20% of shares | medium |
| Q3 2025 as of | Alberta Investment Management Corp 13F manager | Exit | Common stock | $-4.61M | -45K -100.00% | 0 | low |
| Q1 2026 as of | Brookfield Corporation 13F manager | Add | Common stock | $4.59M | +45K +31.35% | 188,255 0.06% of shares | low |
| Q2 2024 as of | Barclays PLC 13F manager | Add | Common stock | $4.49M | +50K +8.53% | 636,961 0.21% of shares | low |
| Q1 2026 as of | Victory Capital Management, Inc. 13F manager | Add | Common stock | $4.00M | +39K +19.67% | 238,190 0.08% of shares | low |
| Q1 2026 as of | Commonwealth of Pennsylvania Public School Empls Retrmt Sys 13F manager | Add | Common stock | $3.84M | +38K +22.83% | 202,316 0.07% of shares | low |
| Q2 2026 as of | Victory Capital Management, Inc. 13F manager | Add | Common stock | $3.79M | +30K +12.60% | 268,209 0.09% of shares | low |