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MIZUHO SECURITIES USA LLC

Broker-Dealer

Position in IRM — Iron Mountain Inc

CIK 812291 NEW YORK, NY

Position in IRM

as of Jun 30, 2026 · filed Jul 28, 2026
Position Value
$2,942,138
+$1,115,365 QoQ
Shares Held
23,293
+30.2% QoQ
Ownership
0.008%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#337
of 1,151 holders
Holding Since
Jun 2025
5 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 Jun 30, 2026

MIZUHO SECURITIES USA LLC holds $27,004,751 across 7 REIT - Specialty names. IRM ranks #4 (10.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 IRM
Iron Mountain Inc
This page
23,293 $2,942,138

All Filings in IRM

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5 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $2,942,138 23,293
2026-03-31 $1,826,773 17,885
2025-12-31 $1,785,332 21,523
2025-09-30 $2,192,831 21,511
2025-06-30 $2,090,992 20,386