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STATE STREET CORP

Position in IRM — Iron Mountain Inc

CIK 93751 BOSTON, MA

Position in IRM

as of Jun 30, 2026 · filed Aug 7, 2026
Position Value
$2,227,356,097
+$434,632,303 QoQ
Shares Held
17,634,044
+0.5% QoQ
Ownership
5.92%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
#4
of 1,151 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 11% Shared 1% None 88%

Common Shares in IRM Over Time

Shares Held

Position Value (USD)

Position in REIT - Specialty

Real Estate · as of Jun 30, 2026

STATE STREET CORP holds $21,108,343,713 across 17 REIT - Specialty names. IRM ranks #4 (10.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 IRM
Iron Mountain Inc
This page
17,634,044 $2,227,356,097

All Filings in IRM

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $2,227,356,097 17,634,044
2026-03-31 $1,792,723,794 17,551,633
2025-12-31 $1,400,925,794 16,888,798
2025-09-30 $1,746,414,366 17,131,787
2025-06-30 $1,724,165,082 16,809,643
2025-03-31 $1,437,308,438 16,705,119
2024-12-31 $1,747,115,611 16,621,783
2024-09-30 $1,968,748,940 16,567,777
2024-06-30 $1,569,799,872 17,516,178
2024-03-31 $1,107,845,119 13,811,808
2023-12-31 $965,229,661 13,792,936
2023-09-30 $784,347,808 13,193,403
2023-06-30 $790,656,209 13,915,104
2023-03-31 $730,014,455 13,797,287
2022-12-31 $710,294,105 14,248,628
2022-09-30 $637,589,799 14,500,564
2022-06-30 $725,291,303 14,896,104
2022-03-31 $810,205,518 14,622,009
2021-12-31 $751,471,568 14,360,244
2021-09-30 $601,238,679 13,837,484
2021-06-30 $569,513,189 13,457,306
2021-03-31 $466,900,580 12,615,525
2020-12-31 $375,578,737 12,740,120
2020-09-30 $353,414,778 13,192,041
2020-06-30 $372,321,354 14,265,186
2020-03-31 $330,364,920 13,880,879