Iron Mountain Incorporated
MX ˙ BMV ˙ US46284V1017
SecurityMX:IRM1 / Iron Mountain Incorporated
InstitutionTruvestments Capital Llc
Latest Disclosed Ownership10,694 shares
Latest Disclosed Value $ 1,092,275
Truvestments Capital Llc reports 3.74% decrease in ownership of IRM1 / Iron Mountain Incorporated

On May 13, 2026 - Truvestments Capital Llc filed a 13F-HR form disclosing ownership of 10,694 shares of Iron Mountain Incorporated (MX:IRM1) valued at $1,092,275 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 11,109 shares of Iron Mountain Incorporated. This represents a change in shares of -3.74% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-13 2026-03-31 13F IRON MTN INC DEL COM 46284V101 10,694 -415 -3.74 1,092 18.57 0.1970
2026-02-13 2025-12-31 13F IRON MTN INC DEL COM 46284V101 11,109 -389 -3.38 922 -21.42 0.1674
2025-11-14 2025-09-30 13F IRON MTN INC DEL COM 46284V101 11,498 -2,662 -18.80 1,172 -19.28 0.2118
2025-08-13 2025-06-30 13F IRON MTN INC DEL COM 46284V101 14,160 -151 -1.06 1,452 17.95 0.2905
2025-05-14 2025-03-31 13F IRON MTN INC DEL COM 46284V101 14,311 -105 -0.73 1,231 -18.75 0.2674
2025-02-10 2024-12-31 13F IRON MTN INC DEL COM 46284V101 14,416 143 1.00 1,515 -10.67 0.3899
2024-11-13 2024-09-30 13F IRON MTN INC DEL COM 46284V101 14,273 -1,104 -7.18 1,696 23.08 0.4548
2024-08-14 2024-06-30 13F IRON MTN INC DEL COM 46284V101 15,377 -8,296 -35.04 1,378 -27.40 0.5491
2024-05-14 2024-03-31 13F IRON MTN INC DEL COM 46284V101 23,673 -33,288 -58.44 1,899 -52.38 0.7307
2024-02-14 2023-12-31 13F IRON MTN INC DEL COM 46284V101 56,961 -7,779 -12.02 3,986 3.59 1.8001
2023-11-13 2023-09-30 13F IRON MTN INC DEL COM 46284V101 64,740 668 1.04 3,849 5.71 2.0042
2023-08-10 2023-06-30 13F IRON MTN INC DEL COM 46284V101 64,072 1,559 2.49 3,641 10.07 1.8118
2023-05-12 2023-03-31 13F IRON MTN INC DEL COM 46284V101 62,513 -1,741 -2.71 3,308 3.25 1.7624
2023-02-14 2022-12-31 13F IRON MTN INC DEL COM 46284V101 64,254 -12,518 -16.31 3,203 -5.12 1.8071
2022-11-15 2022-09-30 13F IRON MTN INC DEL COM 46284V101 76,772 3,501 4.78 3,376 -5.38 2.1293
2022-08-09 2022-06-30 13F IRON MTN INC COM 46284V101 73,271 1,384 1.93 3,568 -10.42 2.0885
2022-05-02 2022-03-31 13F IRON MTN INC COM 46284V101 71,887 950 1.34 3,983 7.30 2.1843
2022-02-14 2021-12-31 13F IRON MTN INC COM 46284V101 70,937 357 0.51 3,712 21.03 1.8638
2021-10-29 2021-09-30 13F IRON MTN INC COM 46284V101 70,580 2,412 3.54 3,067 6.31 1.6918
2021-08-12 2021-06-30 13F IRON MTN INC COM 46284V101 68,168 5,920 9.51 2,885 25.22 1.5833
2021-05-18 2021-03-31 13F IRON MTN INC COM 46284V101 62,248 7,162 13.00 2,304 41.87 1.3019
2021-02-17 2020-12-31 13F IRON MOUNTAIN INC COM USD0.01 COM USD0.01 46284V101 55,086 3,092 5.95 1,624 16.58 1.1270
2020-11-13 2020-09-30 13F IRON MOUNTAIN INC COM COM 46284V101 51,994 51,714 18,469.29 1,393 19,800.00 1.2591
2020-08-06 2020-06-30 13F IRON MOUNTAIN INC COM COM 46284V101 280 -45,179 -99.38 7 -99.35 0.0071
2020-05-07 2020-03-31 13F IRON MOUNTAIN INC COM COM 46284V101 45,459 -9,688 -17.57 1,081 -38.51 1.3736
2020-01-29 2019-12-31 13F IRON MTN INC COM 46284V101 55,147 2,329 4.41 1,758 2.75 1.2173
2019-10-10 2019-09-30 13F IRON MTN INC COM 46284V101 52,818 6,072 12.99 1,711 16.95 1.1142
2019-07-15 2019-06-30 13F IRON MTN INC COM 46284V101 46,746 12,920 38.20 1,463 22.02 0.9843
2019-04-12 2019-03-31 13F IRON MTN INC COM 46284V101 33,826 -4,422 -11.56 1,199 -9.17 0.9204
2018-10-22 2018-09-30 13F IRON MTN INC COM 46284V101 38,248 3,426 9.84 1,320 8.29 0.6347
2018-08-28 2018-06-30 13F IRON MTN INC COM 46284V101 34,822 34,822 1,219 0.7653
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.