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VANGUARD CAPITAL MANAGEMENT LLC

Position in IRM — Iron Mountain Inc

CIK 2100119 MALVERN, PA

Position in IRM

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$2,394,042,478
+$478,009,556 QoQ
Shares Held
18,953,705
+1.0% QoQ
Ownership
6.37%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#3
of 1,152 holders
Holding Since
Mar 2026
2 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

VANGUARD CAPITAL MANAGEMENT LLC holds $24,697,603,930 across 19 REIT - Specialty names. IRM ranks #4 (9.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 IRM
Iron Mountain Inc
This page
18,953,705 $2,394,042,478

All Filings in IRM

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3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $2,394,042,478 18,953,705
2026-03-31 $1,916,032,922 18,758,889
2026-03-31 $2,234,037,028 21,872,303