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Rockefeller Capital Management L.P.

Position in IRM — Iron Mountain Inc

CIK 1739439 NEW YORK, NY

Position in IRM

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$49,465,519
+$9,718,762 QoQ
Shares Held
391,620
+0.6% QoQ
Ownership
0.132%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
#78
of 1,152 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

Rockefeller Capital Management L.P. holds $333,081,329 across 15 REIT - Specialty names. IRM ranks #3 (14.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 IRM
Iron Mountain Inc
This page
391,620 $49,465,519

All Filings in IRM

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $49,465,519 391,620
2026-03-31 $39,746,757 389,140
2025-12-31 $33,511,136 403,992
2025-09-30 $41,535,961 407,455
2025-06-30 $38,856,695 378,831
2025-03-31 $36,787,692 427,565
2024-12-31 $32,886,080 312,873
2024-09-30 $69,018,721 580,819
2024-06-30 $68,437,774 763,644
2024-03-31 $53,116,425 662,217
2023-12-31 $54,713,932 781,851
2023-09-30 $49,673,863 835,557
2023-06-30 $50,963,846 896,935
2023-03-31 $52,543,121 993,066
2022-12-31 $29,027,305 582,293
2022-09-30 $47,557,555 1,081,591
2022-06-30 $52,793,300 1,084,274
2022-03-31 $61,676,482 1,113,093
2021-12-31 $60,382,120 1,153,872
2021-09-30 $32,334,402 744,175
2021-06-30 $30,574,125 722,451
2021-03-31 $27,487,067 742,693
2020-12-31 $20,980,325 711,680
2020-09-30 $16,289,337 608,038
2020-06-30 $16,318,084 625,214
2020-03-31 $14,510,716 609,694