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J.M. Arbour, LLC

Position in IRM — Iron Mountain Inc

CIK 2099154 Gardiner, ME

Position in IRM

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$1,478,711
+$395,925 QoQ
Shares Held
11,707
+10.4% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
2.52%
of 13F equity value
Holder Rank
#448
of 1,151 holders
Holding Since
Dec 2025
3 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

J.M. Arbour, LLC holds $1,478,711 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
11,707 $1,478,711

All Filings in IRM

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3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,478,711 11,707
2026-03-31 $1,082,786 10,601
2025-12-31 $900,837 10,860