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HOWLAND CAPITAL MANAGEMENT LLC

Position in IRM — Iron Mountain Inc

CIK 1079112 BOSTON, MA

Position in IRM

as of Jun 30, 2026 · filed Jul 13, 2026
Position Value
$524,186
+$100,612 QoQ
Shares Held
4,150
+0.1% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#650
of 1,151 holders
Holding Since
Sep 2022
16 quarters on record
Voting authority Sole 43% Shared 0% None 57%

Common Shares in IRM Over Time

Shares Held

Position Value (USD)

Position in REIT - Specialty

Real Estate · as of Jun 30, 2026

HOWLAND CAPITAL MANAGEMENT LLC holds $10,018,921 across 3 REIT - Specialty names. IRM ranks #3 (5.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 IRM
Iron Mountain Inc
This page
4,150 $524,186

All Filings in IRM

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16 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $524,186 4,150
2026-03-31 $423,574 4,147
2025-12-31 $346,233 4,174
2025-09-30 $277,990 2,727
2025-06-30 $279,708 2,727
2025-03-31 $234,631 2,727
2024-12-31 $344,655 3,279
2024-09-30 $389,643 3,279
2024-06-30 $376,941 4,206
2024-03-31 $322,123 4,016
2023-12-31 $281,039 4,016
2023-09-30 $238,751 4,016
2023-06-30 $262,281 4,616
2023-03-31 $244,232 4,616
2022-12-31 $260,017 5,216
2022-09-30 $213,430 4,854