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Horizon Investments, LLC

Position in IRM — Iron Mountain Inc

CIK 1560717 Charlotte, NC

Position in IRM

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$937,346
+$288,451 QoQ
Shares Held
7,421
+16.8% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#539
of 1,152 holders
Holding Since
Mar 2021
20 quarters on record
Voting authority Sole 99% Shared 0% None 1%

Common Shares in IRM Over Time

Shares Held

Position Value (USD)

Position in REIT - Specialty

Real Estate · as of Jun 30, 2026

Horizon Investments, LLC holds $26,200,469 across 11 REIT - Specialty names. IRM ranks #6 (3.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 IRM
Iron Mountain Inc
This page
7,421 $937,346

All Filings in IRM

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20 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $937,346 7,421
2026-03-31 $648,895 6,353
2025-12-31 $388,206 4,680
2025-09-30 $462,399 4,536
2025-06-30 $507,721 4,950
2025-03-31 $362,658 4,215
2024-12-31 $421,806 4,013
2024-09-30 $472,943 3,980
2024-06-30 $406,695 4,538
2024-03-31 $363,351 4,530
2023-12-31 $305,042 4,359
2023-09-30 $260,807 4,387
2023-06-30 $250,803 4,414
2023-03-31 $213,121 4,028
2022-09-30 $1,318,704 29,991
2022-03-31 $2,878,715 51,953
2021-12-31 $1,982,103 37,877
2021-09-30 $1,558,290 35,864
2021-06-30 $1,869,528 44,176
2021-03-31 $399,152 10,785