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Mariner, LLC

Position in IRM — Iron Mountain Inc

CIK 1373442 Overland Park, KS

Position in IRM

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$18,565,674
+$5,387,674 QoQ
Shares Held
146,985
+13.9% QoQ
Ownership
0.049%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#137
of 1,152 holders
Holding Since
Dec 2020
23 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

Mariner, LLC holds $245,813,740 across 14 REIT - Specialty names. IRM ranks #4 (7.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 IRM
Iron Mountain Inc
This page
146,985 $18,565,674

All Filings in IRM

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23 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $18,565,674 146,985
2026-03-31 $13,178,000 129,019
2025-12-31 $5,253,638 63,335
2025-09-30 $4,786,489 46,954
2025-06-30 $4,682,832 45,655
2025-03-31 $3,580,984 41,620
2024-12-31 $5,238,051 49,834
2024-09-30 $5,546,984 46,680
2024-06-30 $3,672,448 40,978
2024-03-31 $3,375,718 42,086
2023-12-31 $3,017,677 43,122
2023-09-30 $2,096,325 35,262
2023-06-30 $2,019,553 35,543
2023-03-31 $1,864,548 35,240
2022-12-31 $1,709,406 34,291
2022-09-30 $981,234 22,316
2022-06-30 $911,622 18,723
2022-03-31 $1,072,294 19,352
2021-12-31 $1,002,014 19,148
2021-09-30 $796,395 18,329
2021-06-30 $710,679 16,793
2021-03-31 $459,368 12,412
2020-12-31 $390,786 13,256