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GATEWAY INVESTMENT ADVISERS LLC

Position in IRM — Iron Mountain Inc

CIK 1114618 CINCINNATI, OH

Position in IRM

as of Jun 30, 2026 · filed Jul 20, 2026
Position Value
$388,908
+$25,597 QoQ
Shares Held
3,079
-13.4% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#728
of 1,152 holders
Holding Since
Mar 2026
2 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

GATEWAY INVESTMENT ADVISERS LLC holds $10,247,214 across 8 REIT - Specialty names. IRM ranks #5 (3.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 IRM
Iron Mountain Inc
This page
3,079 $388,908

All Filings in IRM

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2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $388,908 3,079
2026-03-31 $363,311 3,557