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Mitsubishi UFJ Asset Management Co., Ltd.

Position in IRM — Iron Mountain Inc

CIK 1466546 TOKYO, M0

Position in IRM

as of Jun 30, 2026 · filed Aug 7, 2026
Position Value
$124,111,700
+$31,331,299 QoQ
Shares Held
982,596
+8.2% QoQ
Ownership
0.330%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
#39
of 1,152 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in IRM Over Time

Shares Held

Position Value (USD)

Position in REIT - Specialty

Real Estate · as of Jun 30, 2026

Mitsubishi UFJ Asset Management Co., Ltd. holds $1,065,716,581 across 16 REIT - Specialty names. IRM ranks #4 (11.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 IRM
Iron Mountain Inc
This page
982,596 $124,111,700

All Filings in IRM

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $124,111,700 982,596
2026-03-31 $92,780,401 908,365
2025-12-31 $69,641,999 839,566
2025-09-30 $81,787,685 802,312
2025-06-30 $78,628,931 766,588
2025-03-31 $61,712,017 717,248
2024-12-31 $69,103,833 657,443
2024-09-30 $72,708,987 611,874
2024-06-30 $51,713,787 577,034
2024-03-31 $41,329,004 515,260
2023-12-31 $32,376,386 462,652
2023-09-30 $25,866,754 435,101
2023-06-30 $24,090,429 423,978
2023-03-31 $20,429,609 386,120
2022-12-31 $17,426,214 349,573
2022-09-30 $14,125,406 321,251
2022-06-30 $14,306,826 293,835
2022-03-31 $15,118,230 272,843
2021-12-31 $13,246,292 253,130
2021-09-30 $10,182,420 234,348
2021-06-30 $8,959,821 211,716
2021-03-31 $7,298,001 197,190
2020-12-31 $5,262,592 178,514
2020-09-30 $4,441,889 165,804
2020-06-30 $3,825,685 146,578
2020-03-31 $3,108,898 130,626