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Columbia Asset Management

Position in IRM — Iron Mountain Inc

CIK 1585047 Ann Arbor, MI

Position in IRM

as of Jun 30, 2026 · filed Jul 21, 2026
Position Value
$746,744
+$142,893 QoQ
Shares Held
5,912
0.0% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.14%
of 13F equity value
Holder Rank
#575
of 1,152 holders
Holding Since
Mar 2020
22 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in IRM Over Time

Shares Held

Position Value (USD)

Position in REIT - Specialty

Real Estate · as of Jun 30, 2026

Columbia Asset Management holds $2,062,991 across 2 REIT - Specialty names. IRM ranks #2 (36.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 IRM
Iron Mountain Inc
This page
5,912 $746,744

All Filings in IRM

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22 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $746,744 5,912
2026-03-31 $603,851 5,912
2025-12-31 $530,216 6,392
2025-09-30 $651,600 6,392
2025-06-30 $655,627 6,392
2025-03-31 $549,967 6,392
2024-12-31 $955,134 9,087
2024-09-30 $1,158,236 9,747
2024-06-30 $877,110 9,787
2024-03-31 $879 12,564
2023-12-31 $879,228 12,564
2023-09-30 $798,532 13,432
2023-06-30 $776,502 13,666
2023-03-31 $754,443 14,259
2022-12-31 $775,267 15,552
2022-09-30 $948,125 21,563
2022-06-30 $1,199,283 24,631
2021-03-31 $1,613,413 43,594
2020-12-31 $1,212,895 41,143
2020-09-30 $972,610 36,305
2020-06-30 $671,422 25,725
2020-03-31 $236,215 9,925