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Tower Research Capital LLC (TRC)

Position in IRM — Iron Mountain Inc

CIK 1533421 NEW YORK, NY

Position in IRM

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$1,958,738
+$1,583,722 QoQ
Shares Held
19,177
+324.2% QoQ
Ownership
0.006%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 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 Mar 31, 2026

Tower Research Capital LLC (TRC) holds $25,007,076 across 18 REIT - Specialty names. IRM ranks #4 (7.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 IRM
Iron Mountain Inc
This page
19,177 $1,958,738

All Filings in IRM

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $1,958,738 19,177
2025-12-31 $375,016 4,521
2025-09-30 $784,122 7,692
2025-06-30 $2,039,295 19,882
2025-03-31 $920,455 10,698
2024-12-31 $1,432,438 13,628
2024-09-30 $1,848,994 15,560
2024-06-30 $1,841,870 20,552
2024-03-31 $842,285 10,501
2023-12-31 $3,280,592 46,879
2023-09-30 $1,379,298 23,201
2023-06-30 $1,604,255 28,234
2023-03-31 $510,051 9,640
2022-12-31 $540,423 10,841
2022-09-30 $624,725 14,208
2022-06-30 $1,680,339 34,511
2022-03-31 $4,254,102 76,775
2021-12-31 $2,893,953 55,302
2021-09-30 $757,202 17,427
2021-06-30 $1,243,572 29,385
2021-03-31 $1,485,877 40,148
2020-12-31 $697,791 23,670
2020-09-30 $1,033,423 38,575
2020-06-30 $153,024 5,863
2020-03-31 $51,597 2,168