D. E. Shaw & Co., Inc.
- SEC CIK
- 0001009207
- Latest filing
- Aug 14, 2026
IRM holding history
Iron Mountain Inc in every 13F filed by D. E. Shaw & Co., Inc., including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
IRM overviewAll 13F holders of IRMFull Q2 2026 holdings
- Shares (Q2 2026)
- 109,823
- Value
- $13.9M
- % of portfolio
- <0.1%
- Quarters held
- 15
- Since Q3 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 109,823 | $13.9M | <0.1% | +109,823 | New | Holders |
| Q1 2026 | 0 | $0 | 0.0% | −5,756−100.0% | Sold out | Holders |
| Q4 2025 | 5,756 | $477.5K | <0.1% | −138,283−96.0% | Reduced | Holders |
| Q3 2025 | 144,039 | $14.7M | <0.1% | −439,938−75.3% | Reduced | Holders |
| Q2 2025 | 583,977 | $59.9M | 0.1% | −233,469−28.6% | Reduced | Holders |
| Q1 2025 | 817,446 | $70.3M | 0.1% | +806,746+7,539.7% | Added | Holders |
| Q4 2024 | 10,700 | $1.12M | <0.1% | +10,700 | New | Holders |
| Q3 2024 | 0 | $0 | 0.0% | −7,808−100.0% | Sold out | Holders |
| Q2 2024 | 7,808 | $699.8K | <0.1% | −20,485−72.4% | Reduced | Holders |
| Q1 2024 | 28,293 | $2.27M | <0.1% | −43,720−60.7% | Reduced | Holders |
| Q4 2023 | 72,013 | $5.04M | <0.1% | −102,511−58.7% | Reduced | Holders |
| Q3 2023 | 174,524 | $10.4M | <0.1% | +28,460+19.5% | Added | Holders |
| Q2 2023 | 146,064 | $8.30M | <0.1% | +66,484+83.5% | Added | Holders |
| Q1 2023 | 79,580 | $4.21M | <0.1% | −40,261−33.6% | Reduced | Holders |
| Q4 2022 | 119,841 | $5.97M | <0.1% | +103,193+619.9% | Added | Holders |
| Q3 2022 | 16,648 | $732.0K | <0.1% | +16,648 | New | Holders |
| Q4 2021 | 0 | $0 | 0.0% | −54,566−100.0% | Sold out | Holders |
| Q3 2021 | 54,566 | $2.37M | <0.1% | +54,566 | New | Holders |