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American Trust Investment Advisors, LLC

Position in IRM — Iron Mountain Inc

CIK 1291424 Lebanon, NH

Position in IRM

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$4,400,387
+$606,295 QoQ
Shares Held
34,838
-6.2% QoQ
Ownership
0.012%
of shares outstanding
% of Portfolio
2.26%
of 13F equity value
Holder Rank
#291
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

American Trust Investment Advisors, LLC holds $4,400,387 across 1 REIT - Specialty name. IRM ranks #1 (100.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 IRM
Iron Mountain Inc
This page
34,838 $4,400,387

All Filings in IRM

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $4,400,387 34,838
2026-03-31 $3,794,092 37,146
2025-12-31 $3,037,960 36,624
2025-09-30 $3,703,480 36,330
2025-06-30 $5,561,345 54,220
2025-03-31 $5,464,744 63,514
2024-12-31 $7,128,980 67,824
2024-09-30 $7,846,344 66,030
2024-06-30 $6,308,889 70,396
2024-03-31 $5,819,957 72,559
2023-12-31 $5,030,442 71,884
2023-09-30 $4,232,899 71,201
2023-06-30 $3,799,496 66,869
2023-03-31 $3,473,329 65,646
2022-12-31 $3,192,942 64,051
2022-09-30 $2,805,110 63,796
2022-06-30 $3,609,243 74,127
2022-03-31 $4,097,403 73,947
2021-12-31 $5,943,170 113,571
2021-09-30 $4,918,583 113,201
2021-06-30 $5,029,351 118,841
2021-03-31 $4,340,754 117,286
2020-12-31 $2,573,898 87,310
2020-09-30 $2,292,286 85,565
2020-06-30 $3,138,264 120,240
2020-03-31 $2,843,624 119,480