Cohen & Steers, Inc.’s Iron Mtn Inc Del Position
Does Cohen & Steers, Inc. own Iron Mtn Inc Del (IRM)? Yes — 16.17M shares worth $1.7B (+2.87% of its 13F portfolio) as of Q1 2026, down from 18.90M shares the prior filed quarter.
Position Value
$1.7B
Q1 2026
Shares
16.17M
% of Portfolio
+2.87%
Quarters Held
23
currently held
Position History IRM
Reported value by quarter
| Quarter | Shares | Value | % of Portfolio |
|---|---|---|---|
| Q1 2026 | 16.17M | $1.7B | +2.87% |
| Q4 2025 | 18.90M | $1.6B | +2.83% |
| Q3 2025 | 15.75M | $1.6B | +2.90% |
| Q2 2025 | 13.77M | $1.4B | +2.59% |
| Q1 2025 | 13.48M | $1.2B | +2.14% |
| Q4 2024 | 14.91M | $1.6B | +2.97% |
| Q3 2024 | 17.73M | $2.1B | +3.75% |
| Q2 2024 | 23.05M | $2.1B | +4.33% |
| Q1 2024 | 23.66M | $1.9B | +3.97% |
| Q4 2023 | 22.48M | $1.6B | +3.18% |
| Q3 2023 | 7.44M | $442M | +1.02% |
| Q2 2023 | 7.73M | $439M | +0.92% |
| Q1 2023 | 2.93M | $155M | +0.33% |
| Q4 2022 | 106 | $5,000 | 0.00% |
| Q3 2022 | 693.7K | $31M | +0.07% |
| Q2 2022 | 161 | $8,000 | 0.00% |
| Q1 2022 | 4.7K | $263,000 | 0.00% |
| Q4 2021 | 6.3K | $332,000 | 0.00% |
| Q2 2021 | 14.3K | $607,000 | 0.00% |
| Q1 2021 | 13.9K | $513,000 | 0.00% |
| Q4 2020 | 580.1K | $17M | +0.04% |
| Q3 2020 | 536.4K | $14M | +0.04% |
| Q2 2020 | 3.31M | $86M | +0.24% |
Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Cohen & Steers, Inc.’s full portfolio or all institutional holders of IRM.