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GW&K Investment Management, LLC

Position in IRM — Iron Mountain Inc

CIK 1082917 BOSTON, MA

Position in IRM

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$24,792,126
+$24,767,204 QoQ
Shares Held
196,280
+80342.6% QoQ
Ownership
0.066%
of shares outstanding
% of Portfolio
0.20%
of 13F equity value
Holder Rank
#118
of 1,152 holders
Holding Since
Mar 2022
18 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

GW&K Investment Management, LLC holds $25,823,144 across 10 REIT - Specialty names. IRM ranks #1 (96.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 IRM
Iron Mountain Inc
This page
196,280 $24,792,126

All Filings in IRM

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18 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $24,792,126 196,280
2026-03-31 $24,922 244
2025-12-31 $17,004 205
2025-09-30 $19,266 189
2025-06-30 $18,360 179
2025-03-31 $15,745 183
2024-12-31 $16,607 158
2024-09-30 $17,943 151
2024-06-30 $33,338 372
2024-03-31 $28,634 357
2023-12-31 $25,822 369
2023-09-30 $16,586 279
2023-06-30 $15,739 277
2023-03-31 $7,407 140
2022-12-31 $6,979 140
2022-09-30 $6,155 140
2022-06-30 $10,224 210
2022-03-31 $9,419 170