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ACADIAN ASSET MANAGEMENT LLC

Position in IRM — Iron Mountain Inc

CIK 916542 Boston, MA

Position in IRM

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$36,890,603
+$19,638,443 QoQ
Shares Held
292,064
+72.9% QoQ
Ownership
0.098%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#91
of 1,157 holders
Holding Since
Jun 2020
24 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

ACADIAN ASSET MANAGEMENT LLC holds $295,433,818 across 10 REIT - Specialty names. IRM ranks #2 (12.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 IRM
Iron Mountain Inc
This page
292,064 $36,890,603

All Filings in IRM

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24 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $36,890,603 292,064
2026-03-31 $17,252,160 168,907
2025-12-31 $242,877 2,928
2025-09-30 $6,362,687 62,416
2025-06-30 $206,063 2,009
2024-12-31 $2,315,257 22,027
2024-09-30 $66,620,851 560,640
2024-06-30 $7,548,244 84,225
2024-03-31 $8,601,319 107,235
2023-12-31 $9,167,240 130,998
2023-09-30 $3,568,783 60,030
2023-06-30 $2,987,879 52,585
2023-03-31 $474,443 8,967
2022-12-31 $447,004 8,967
2022-09-30 $1,795,207 40,828
2022-06-30 $210,048 4,314
2022-03-31 $138,691 2,503
2021-12-31 $113,817 2,175
2021-09-30 $2,772,587 63,811
2021-06-30 $1,403,754 33,170
2021-03-31 $25,314 684
2020-12-31 $625,064 21,203
2020-09-30 $460,841 17,202
2020-06-30 $352,350 13,500