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NISA INVESTMENT ADVISORS, LLC

Position in IRM — Iron Mountain Inc

CIK 937615 ST. LOUIS, MO

Position in IRM

as of Mar 31, 2026 · filed Apr 30, 2026
Position Value
$10,361,592
+$850,463 QoQ
Shares Held
101,445
-11.5% QoQ
Ownership
0.034%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in IRM Over Time

Shares Held

Position Value (USD)

Position in REIT - Specialty

Real Estate · as of Mar 31, 2026

NISA INVESTMENT ADVISORS, LLC holds $90,125,747 across 17 REIT - Specialty names. IRM ranks #4 (11.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 IRM
Iron Mountain Inc
This page
101,445 $10,361,592

All Filings in IRM

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $10,361,592 101,445
2025-12-31 $9,511,129 114,661
2025-09-30 $12,756,975 125,142
2025-06-30 $8,698,038 84,801
2025-03-31 $9,430,242 109,603
2024-12-31 $11,858,299 112,818
2024-09-30 $15,250,998 128,343
2024-06-30 $12,711,342 141,836
2024-03-31 $11,324,529 141,186
2023-12-31 $9,798,319 140,016
2023-09-30 $9,088,062 152,869
2023-06-30 $8,365,835 147,234
2023-03-31 $8,765,070 165,660
2022-12-31 $7,375,905 147,962
2022-09-30 $6,430,700 146,252
2022-06-30 $6,702,568 137,658
2022-03-31 $8,153,692 147,152
2021-12-31 $8,305,869 158,721
2021-09-30 $11,027,175 253,790
2021-06-30 $8,375,128 197,900
2021-03-31 $7,815,919 211,184
2020-12-31 $6,844,312 232,168
2020-09-30 $5,755,643 214,843
2020-06-30 $4,756,046 182,224
2020-03-31 $4,017,749 168,813