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ALLIANCEBERNSTEIN L.P.

Position in IRM — Iron Mountain Inc

CIK 1109448 NASHVILLE, TN

Position in IRM

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$71,076,026
+$13,340,881 QoQ
Shares Held
562,711
-0.5% QoQ
Ownership
0.189%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#61
of 1,152 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 87% Shared 0% None 13%

Common Shares in IRM Over Time

Shares Held

Position Value (USD)

Position in REIT - Specialty

Real Estate · as of Jun 30, 2026

ALLIANCEBERNSTEIN L.P. holds $1,025,714,889 across 17 REIT - Specialty names. IRM ranks #4 (6.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 IRM
Iron Mountain Inc
This page
562,711 $71,076,026

All Filings in IRM

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $71,076,026 562,711
2026-03-31 $57,735,145 565,255
2025-12-31 $45,191,989 544,810
2025-09-30 $56,678,028 555,994
2025-06-30 $57,571,105 561,286
2025-03-31 $51,599,392 599,714
2024-12-31 $58,423,501 555,832
2024-09-30 $72,395,038 609,232
2024-06-30 $55,102,498 614,846
2024-03-31 $30,101,609 375,285
2023-12-31 $28,502,084 407,289
2023-09-30 $21,687,954 364,810
2023-06-30 $22,590,211 397,575
2023-03-31 $20,867,121 394,389
2022-12-31 $21,228,572 425,849
2022-09-30 $20,149,296 458,251
2022-06-30 $22,337,219 458,764
2022-03-31 $27,410,994 494,694
2021-12-31 $25,425,891 485,876
2021-09-30 $23,449,965 539,700
2021-06-30 $24,455,035 577,860
2021-03-31 $17,820,944 481,517
2020-12-31 $14,139,315 479,624
2020-09-30 $13,747,476 513,157
2020-06-30 $13,654,136 523,147
2020-03-31 $12,976,497 545,231