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CITADEL ADVISORS LLC

Position in IRM — Iron Mountain Inc

CIK 1423053 MIAMI, FL

Position in IRM

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$43,345,549
+$5,047,749 QoQ
Shares Held
343,168
-8.5% QoQ
Ownership
0.115%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#82
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)

Derivatives in IRM

reported options exposure · as of Jun 30, 2026
CallValue
$19,110,703
CallShares
151,300
PutValue
$16,988,695
PutShares
134,500

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in REIT - Specialty

Real Estate · as of Jun 30, 2026

CITADEL ADVISORS LLC holds $1,437,075,889 across 17 REIT - Specialty names. IRM ranks #9 (3.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in IRM

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $43,345,549 343,168
2026-06-30 $19,110,703 151,300
2026-06-30 $16,988,695 134,500
2026-03-31 $21,061,268 206,200
2026-03-31 $38,297,800 374,954
2026-03-31 $10,050,576 98,400
2025-12-31 $92,851,824 1,119,371
2025-12-31 $7,506,975 90,500
2025-12-31 $14,756,805 177,900
2025-09-30 $13,761,900 135,000
2025-09-30 $13,670,154 134,100
2025-09-30 $6,248,004 61,291
2025-06-30 $39,571,506 385,800
2025-06-30 $14,338,362 139,791
2025-06-30 $17,077,905 166,500
2025-03-31 $34,183,692 397,300
2025-03-31 $38,261,988 444,700
2025-03-31 $107,704,183 1,251,792
2024-12-31 $11,951,007 113,700
2024-12-31 $21,263,753 202,300
2024-12-31 $63,522,176 604,340
2024-09-30 $48,102,384 404,800
2024-09-30 $7,827,332 65,870
2024-09-30 $31,252,290 263,000
2024-06-30 $31,295,304 349,200
2024-06-30 $5,350,314 59,700
2024-03-31 $6,649,409 82,900
2024-03-31 $102,006,185 1,271,739
2024-03-31 $19,089,980 238,000
2023-12-31 $138,759,982 1,982,852
2023-12-31 $16,228,362 231,900
2023-12-31 $13,597,114 194,300
2023-09-30 $17,448,575 293,500
2023-09-30 $14,553,360 244,800
2023-09-30 $107,895,566 1,814,896
2023-06-30 $14,312,958 251,900
2023-06-30 $16,318,704 287,200
2023-06-30 $35,044,530 616,764
2023-03-31 $18,804,214 355,400
2023-03-31 $11,351,152 214,537
2023-03-31 $12,936,495 244,500
2022-12-31 $21,500,952 431,313
2022-12-31 $12,607,065 252,900
2022-12-31 $18,195,250 365,000
2022-09-30 $8,306,372 188,910
2022-09-30 $7,897,012 179,600
2022-09-30 $14,426,557 328,100
2022-06-30 $12,143,286 249,400
2022-06-30 $15,429,861 316,900
2022-06-30 $11,847,785 243,331