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MassMutual Private Wealth & Trust, FSB

Position in IRM — Iron Mountain Inc

CIK 1103653 Windsor, CT

Position in IRM

as of Jun 30, 2026 · filed Jul 2, 2026
Position Value
$939,620
+$174,694 QoQ
Shares Held
7,439
-0.7% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#538
of 1,151 holders
Holding Since
Mar 2020
26 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

MassMutual Private Wealth & Trust, FSB holds $10,924,960 across 14 REIT - Specialty names. IRM ranks #4 (8.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 IRM
Iron Mountain Inc
This page
7,439 $939,620

All Filings in IRM

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $939,620 7,439
2026-03-31 $764,926 7,489
2025-12-31 $634,401 7,648
2025-09-30 $756,700 7,423
2025-06-30 $762,505 7,434
2025-03-31 $608,991 7,078
2024-12-31 $729,042 6,936
2024-09-30 $165,767 1,395
2024-06-30 $120,718 1,347
2024-03-31 $98,417 1,227
2023-12-31 $81,946 1,171
2023-09-30 $59,450 1,000
2023-06-30 $69,377 1,221
2023-03-31 $51,111 966
2022-12-31 $37,537 753
2022-09-30 $36,802 837
2022-06-30 $30,285 622
2022-03-31 $33,301 601
2021-12-31 $31,659 605
2021-09-30 $25,505 587
2021-06-30 $24,714 584
2021-03-31 $19,245 520
2020-12-31 $16,007 543
2020-09-30 $13,395 500
2020-06-30 $13,050 500
2020-03-31 $11,900 500